MAX16135VGP+ [MAXIM]
Power Supply Support Circuit,;
| 型号： | MAX16135VGP+ |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Power Supply Support Circuit, |
| 文件： | 总23页 (文件大小：669K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EVALUATION KIT AVAILABLE
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
General Description
Benefits and Features
● High Precision
The MAX16132–MAX16135 are low-voltage, ±1% accurate,
single, dual, triple, and quad-voltage μP supervisors that
monitor up to 4 system-supply voltages for undervoltage
and overvoltage faults. The MAX16132–MAX16134 feature
independent reset outputs, while the MAX16135 features
dual reset outputs. For the MAX16132–MAX16134, a
reset output asserts when the voltage at its corresponding
input falls outside a factory-trimmed undervoltage and
overvoltage window threshold. The reset is maintained
for a minimum timeout period after voltage at the input
falls within the factory-set window threshold. For the
MAX16135, a reset output asserts when either, or both, of
the corresponding inputs fall outside the factory-trimmed
undervoltage and overvoltage window thresholds. See
Selector Guide for available options. These integrated
supervisory circuits significantly improve system reliability
and reduce size compared to separate ICs or discrete
components.
• ±1% Threshold Accuracy Over Temperature
● Programmable OV Threshold: 104% to 111%
● Programmable UV Threshold: 89% to 96%
● Programmable Input Voltage from 0.5V to 5.0V
● Low 15µA Supply Current
● Quad-Input Monitor
● 23 Programmable Reset Timeout Periods
● Immune to Short Monitored Supply Transients
● Guaranteed Correct Logic State Down to V
● Open-Drain Outputs
= 1V
DD
● Small SOT-23 Package
● -40°C to +125°C Automotive Operating Temperature
Range
The MAX16132–MAX16135 are fixed-threshold devices.
The nominal input voltage for any input is factory
programmable from 0.5 to 5.0V, providing a wide range
of threshold selections. The window threshold levels are
factory programmable from ±4% to ±11%, with ±1%
resolution and 0.25% or 0.50% hysteresis. The ±1%
threshold accuracy over temperature and window threshold
monitoring make these devices ideal for automotive
ADAS applications.
Ordering Information appears at end of data sheet.
The reset outputs are active-low, open-drain, and are
guaranteed to be in the correct reset output logic state
when V
remains greater than 1.0V. All devices are
DD
offered with 23 reset timeout periods ranging from 20µs
(min) to 1200ms (min). All reset outputs share the same
factory-set reset timeout period.
The MAX16132–MAX16135 are available in a small 8-pin
SOT23 package and specified over the automotive
temperature range of -40°C to +125°C.
Applications
● ADAS
● Multivoltage ASICs
● Storage Equipment
● Servers
19-8708; Rev 2; 2/17
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
TABLE OF CONTENTS
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Benefits and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Simplified Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOT23-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Typical Operating Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Functional Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Single-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dual-Input Functional Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Triple-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Quad-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Detailed Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Input Tolerance/Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Reset Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Configuration Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Reset Timeout Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Applications Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Unused Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Setting Input Thresholds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Undervoltage/Overvoltage-Detection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Typical Operating Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power-Supply Bypassing and Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Selector Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
LIST OF FIGURES
Figure 1. Independent Reset Output Timing Diagram (MAX16133/MAX16134) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 2. Undervoltage/Overvoltage Detection Circuit with LED Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 3. Power Supply Bypassing/Input Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LIST OF TABLES
Table 1. Single-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 2. Dual-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 3. Triple-Input Nominal Voltage Options (Typ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 4. Quad-Input Nominal Voltage Options (Typ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 5. Single-Input HYS/TOL Options (Typ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 6. Dual-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 7. Triple-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 8. Quad-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 9. Reset Timeout (Min). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Simplified Block Diagram
Maxim Integrated
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Absolute Maximum Ratings
DD
V
V
V
to GND ............................................................-0.3V to +6V
Operating Temperature Range......................... -40°C to +125°C
Junction Temperature......................................................+150°C
Soldering Temperature (Reflow)......................................+260°C
Storage Temperature Range............................ -65°C to +150°C
, V , V , V
to GND................................-0.3V to +6V
IN1 IN2 IN3 IN4
, V
, V
to GND...................-0.3V to +6V
RESET1 RESET2 RESET3
Maximum Input/Output Current (all pins) ........................±20mA
Continuous Power Dissipation (T = +70°C)..................408mW
°
Lead Temperature ............................................................300 C
A
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Information
SOT23-8
SOT23-8 Package Drawing Link
PACKAGE CODE
K8+5
Outline Number
21-0078
90-0176
Land Pattern Number
Thermal Resistance, Single-Layer Board:
Junction to Ambient (θ
)
JA
Junction to Case (θ
)
800
JC
Thermal Resistance, Four-Layer Board:
Junction to Ambient (θ
)
196
JA
Junction to Case (θ
)
70
JC
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
( V
= 1.71V to 5.5V, T = T = T = -40°C to +125°C. Typical values are at T = +25°C, unless otherwise noted. (Note2))
DD
A
A
J
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY VOLTAGE
Operating Voltage Range
V
1.71
1.35
5.5
V
V
DD
Undervoltage-Lockout Threshold
V
V
V
rising
falling
1.50
47
1.65
UVLO
DD
Undervoltage-Lockout Threshold
Hysteresis
V
mV
UVLO_HYS
DD
Supply Current
Supply Current
I
5
12.5
30
μA
MAX16134, RESET_ not asserted
DD
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Electrical Characteristics (continued)
( V
= 1.71V to 5.5V, T = T = T = -40°C to +125°C. Typical values are at T = +25°C, unless otherwise noted. (Note2))
DD
A
A
J
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT VOLTAGE
Nominal Input Voltage
Programming Range
V
(Note 3)
Reset occurs when V
0.5
4
5.0
11
V
IN_NOM
falls
IN_NOM
Tolerance Programming Range
TOL
%
outside of V
x (1 ± TOL%)
IN_NOM
Tolerance Programming Resolution
TOL
1
%V
RES
IN_NOM
IN_NOM
(Note 4)
(Note 4)
0.25
0.50
Undervoltage/Overvoltage Threshold
Hysteresis
%V
V
V
falling,
IN_NOM
Undervoltage Threshold Accuracy
V
-1
-1
V
+1
%
UV_TH_AC
UV_TH
= V
x (1 - TOL%)
x (1 + TOL%)
UV_TH
IN_NOM
V
V
rising,
V
OV_
IN_NOM
Overvoltage Threshold Accuracy
OV
+1
2
%
TH_AC
= V
OV_TH
IN_NOM
TH
IN_ Input Current
I
V
= V
1.30
μA
IN_
IN_
IN_NOM
RESET OUTPUTS (Note 4)
V
= 5V, I
= 3mA, RESET_
DD
SINK
0.1
0.1
0.3
0.3
asserted,
Reset Output Voltage Low
V
V
OL
V
= 1V, I
= 8μA,
DD
SINK
RESET_asserted
°
0.001
0.01
V
= 5.5V, T = +25 C
A
RESET_
RESET_
Reset Output Leakage Current
Reset Timeout Period
μA
1
V
= 5.5V, T = +125°C
A
t
-40
t
+30
%
RP
RP
(V
(V
+ 1%) to (V
- 1%)
15
15
TH_UV
OV_TH
TH_UV
IN_ to RESET_Propagation Delay
t
μs
D
- 1%) to (V
+ 1%)
OV_TH
Note 2: Devices are tested at T = +25°C and guaranteed by design for T = -40°C to +125°C.
A
A
Note 3: The sum of nominal input voltage, tolerance percentage, and threshold accuracy percentage must not exceed 5.5V
Note 4: Contact factory for the desired option.
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Typical Operating Characteristics
(V
= 5V, T = +25°C, unless otherwise noted.)
A
DD
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
toc01
toc02
20
18
16
14
12
10
8
18
MAX16134
MAX16134
16
14
TA = 125°C
12
VDD = 5V
10
TA = 25°C
VDD = 3.3V
8
TA = -40°C
6
4
6
4
1.5
2.5
3.5
4.5
5.5
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE(°C)
SUPPLY VOTLAGE(V)
NORMALIZED UVTH FALLING/RISING
vs. TEMPERATURE
NORMALIZED OVTH FALLING/RISING
vs. TEMPERATURE
toc03
toc04
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
UVTH-
UVTH+
OVTH-
OVTH+
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
UVTH HYS. vs. TEMPERATURE
toc05
0.550
0.540
0.530
0.520
0.510
0.500
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Typical Operating Characteristics (continued)
(V
= 5V, T = +25°C, unless otherwise noted.)
A
DD
NORMALIZED RESET TIMEOUT
vs. TEMPERATURE
OVTH HYS. vs. TEMPERATURE
toc06
toc07
0.450
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.445
0.440
0.435
0.430
0.425
0.420
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
OV TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
UV TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
toc08
toc09
36
32
28
24
20
16
12
8
32
28
24
20
16
12
8
RESET OCCURS ABOVE THIS
RESET OCCURS ABOVE THIS
4
4
0
0
1
10
100
1000
1
10
100
1000
TRANSIENT DURATION (µs)
TRANSIENT DURATION (µs)
RESET OUTPUT VOLTAGE LOW
vs. SINK CURRENT
toc10
140
TA = -40°C
TA = +25°C
120
100
80
60
40
20
0
TA = +125°C
0
2
4
6
8
10 12 14 16 18 20
SINK CURRENT(mA)
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Configuration
VDD
VDD
IN1
RESET
RESET1
1
8
7
6
5
1
2
3
4
8
7
6
5
IN
N.C.
RESET2
RESET3
2
3
4
MAX16132
MAX16134
N.C.
IN2
N.C.
N.C.
GND
GND
IN3
SOT23-8
SOT23-8
VDD
IN1
VDD
IN1
RESET1
RESET2
RESET1
RESET2
IN4
1
8
1
2
3
4
8
7
6
5
2
3
4
7
6
5
MAX16133
MAX16135
IN2
IN2
N.C.
N.C.
GND
GND
IN3
SOT23-8
SOT23-8
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Description
PIN
NAME
FUNCTION
MAX16132
MAX16133
MAX16134
MAX16135
Supply Input. Bypass with a 0.1µF capacitor to
GND.
1
1
1
1
V
DD
Monitoring Input. Connect IN to its nominal input voltage.
2
—
—
—
IN
When V falls outside overvoltage/undervoltage window
IN
threshold, RESET asserts.
No Connect. Leave open or connect to ground.
Ground
3, 5, 6, 7
4
5, 6
4
—
4
—
4
N.C.
GND
Active-Low, Open-Drain Reset Output. RESET
asserts when V falls outside of the undervoltage/
IN
overvoltage window threshold. RESET stays
8
—
—
—
RESET
IN1
asserted for the reset timeout period after V fall
IN
within the undervoltage/overvoltage window threshold.
RESET requires a pullup resistor.
Monitoring Input 1. Connect IN1 to its nominal input
voltage. When V
falls outside undervoltage/
IN1
overvoltage window threshold, RESET1 asserts.
For the quad input (MAX16135), RESET1 asserts
when either IN1 and/or IN2 falls outside the
undervoltage/overvotlage window threshold.
—
—
2
2
2
Monitoring Input 2. Connect IN2 to its nominal input
voltage. When V
falls outside the undervoltage/
IN2
overvoltage window threshold, RESET2 asserts.
For the quad input (MAX16135), RESET1 asserts
when either IN2 and/or IN1 falls outside the
undervoltage/overvotlage window threshold.
3
3
3
IN2
Active-Low, Open-Drain Reset Output 2. RESET2
asserts when V
falls outside the undervoltage/
IN2
overvoltage window threshold. RESET2 stays
asserted for the reset timeout period after V
IN2
—
7
7
7
RESET2
falls within the undervoltage/overvoltage window
threshold. RESET2 requires a pullup resistor. For
the MAX16135, RESET2 asserts when either IN3
and/or IN4 falls outside the undervoltage/
overvoltlage window threshold.
Active-Low, Open-Drain Reset Output 1. RESET1
asserts when V
falls outside the undervoltage/
IN1
overvoltage window threshold. RESET1 stays
asserted for the reset timeout period after V
IN1
—
8
8
8
RESET1
falls within the undervoltage/overvoltage window
threshold. RESET1 requires a pull up resistor.For
the MAX16135, RESET1 asserts when either IN1
and/or IN2 falls outside the undervoltage/overvot-
lage window threshold.
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Description (continued)
PIN
NAME
FUNCTION
MAX16132
MAX16133
MAX16134
MAX16135
Monitoring Input 3. Connect IN3 to its nominal input
voltage. When V
falls outside overvoltage/
IN3
undervoltage window threshold, RESET3 asserts.
For the MAX16135, RESET2 asserts when either
IN3 and/or IN4 falls outside the undervoltage/
overvoltage window threshold.
—
—
5
5
IN3
Active-Low, Open-Drain Reset Output 3. RESET3
asserts when V
falls outside the undervoltage/
IN3
overvoltage window threshold. RESET3 stays
asserted for the reset timeout period after V
falls within the undervoltage/overvoltage window
—
—
—
—
6
—
RESET3
IN3
threshold. RESET3 requires a pullup resistor.
Monitoring Input 4. Connect IN4 to its nominal input
voltage. When V
falls outside the overvoltage/
IN4
undervoltage window threshold, RESET2 asserts.
RESET2 asserts when either IN4 and/or IN3 falls
outside the undervoltage/overvotlage window-
threshold.
—
6
IN4
Single-Input Functional Block Diagram
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Dual-Input Functional Block Diagram
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Triple-Input Functional Block Diagram
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Quad-Input Functional Block Diagram
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
The MAX16132–MAX16135 are immune to short IN_
transients. Each of the internal comparators are factory
set to either 0.5% or 0.25% hysteresis with respect to the
selected nominal input voltage. Hysteresis provides input
immunity to ambient noise without significantly reduc-
ing the input threshold accuracy. See the Maximum IN_
Transient Duration vs. Reset Threshold Overdrive graph
in the Typical Operating Characteristics section .
Detailed Description
Detailed Description
The MAX16132–MAX16135 are single, dual, triple, and
quad-voltage μP supervisors designed to maintain system
integrity in multi-supply systems. These devices offer
undervoltage and overvoltage window threshold monitoring
within ±1% accuracy over temperature.
Input Voltage
Reset Outputs
The MAX16132–MAX16135 feature factory-programmable
input-voltage-level options from 0.5V to 5V. See Table 1
thru Table 4, as well as the Selector Guide for standard
voltage options. The selection of nominal input voltage does
not set the voltage threshold levels. For the MAX16132–
MAX16135, the undervoltage and overvoltage thresholds
are determined by the selection of input tolerance.See
the Electrical Characteristics table and Input Tolerance/
Hysteresis section for more detail.
The MAX16132–MAX16134 feature independent, active-
low, open-drain reset outputs, while the MAX16135 features
dual reset outputs. For the MAX16132–MAX16134, when
an input voltage falls outside the set window threshold,
the corresponding reset outputs asserts. The reset output
de-asserts after the reset timeout period when the input
voltage falls within the window threshold. See Figure 1 for
more detail.
The MAX16135 feature dual reset outputs. RESET1
asserts when V
and/or V
falls outside the set
and/or
Input Tolerance/Hysteresis
IN1
IN2
window threshold. RESET2 asserts when V
IN3
The MAX16132–MAX1635 are designed to offer eight
factory-programmable input tolerance levels from ±4% to
±11% in ±1% increments. The input tolerance level sets
the undervotlage and overvoltage threshold levels with
respect to the selected nominal input voltage. See Table
5 thru Table 8 for hysteresis and tolerance values.
V
falls outside the set window threshold. RESET1 and
IN4
RESET2 de-assert after the reset timeout period when
their corresponding input voltages are within the set win-
dow threshold. At power-up, resets stay asserted for the
reset timeout period once V
is above the UVLO. All
DD
reset outputs require a pullup resistor to V
.
DD
Figure 1. Independent Reset Output Timing Diagram (MAX16133/MAX16134)
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Reset Timeout Period
Table 2. Dual-Input Nominal Voltage
Options (Typ)
The MAX16132–MAX16134 offer 23 factory-set reset
timeout periods. All reset outputs share the same reset
timeout period. See Table 9 reset timeout period selection.
IN1_NOM
(V)
IN2_NOM
(V)
SUFFIX
A
B
C
D
E
F
G
H
I
5.000
5.000
5.000
5.000
3.300
3.300
3.300
2.500
2.500
1.800
1.800
1.800
1.500
1.500
1.200
3.300
1.800
1.200
1.000
1.800
1.200
1.000
1.200
1.000
1.500
1.200
1.000
1.200
1.000
1.000
Table 1. Single-Input Nominal Voltage
Options (Typ)
SUFFIX
05
06
07
08
09
10
11
IN_NOM (V)
0.500
0.600
0.700
0.800
0.900
1.00
SUFFIX
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
IN_NOM (V)
2.800
2.900
3.000
3.100
3.200
3.300
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
4.300
4.400
4.500
4.600
4.700
4.800
4.900
5.000
J
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
K
L
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
M
N
O
Minimum order quantity of 10k required. Contact factory for
available options.
Table 3. Triple-Input Nominal Voltage
Options (Typ)
IN1_ NOM
SUFFIX
IN2_NOM (V) IN3_NOM (V)
(V)
A
B
C
D
E
F
G
H
I
5.000
5.000
5.000
4.800
4.800
4.800
4.800
4.500
4.500
4.500
3.300
3.300
3.000
3.000
2.500
2.500
3.300
3.300
3.300
3.000
3.000
1.800
1.800
3.300
3.300
3.300
1.800
1.800
1.800
1.800
1.800
1.800
1.800
1.200
1.000
1.800
1.200
1.200
1.000
1.800
1.200
1.000
1.200
1.000
1.200
1.000
1.200
1.000
Minimum order quantity of 10k required. Contact factory for
available options.
J
K
L
M
N
O
P
Minimum order quantity of 10k required. Contact factory for
available options.
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Table 4. Quad-Input Nominal Voltage
Options (Typ)
Table 5. Single-Input HYS/TOL Options (Typ)
SUFFIX
IN HYS(%)/TOL(±%))
A
B
C
D
E
F
G
H
I
0.5/4
IN1_NOM IN2_NOM IN3_NOM IN4_NOM
SUFFIX
(V)
(V)
(V)
(V)
0.25/4
0.5/5
A
B
C
D
E
F
5.000
5.000
5.000
4.800
4.800
4.800
4.500
4.500
3.300
3.300
3.300
3.000
3.000
2.500
2.300
2.300
0.820
5.000
3.300
3.300
3.300
3.300
2.500
3.00
2.500
1.800
1.200
1.800
1.800
1.500
2.500
1.800
1.800
1.800
1.200
1.500
1.200
1.200
1.500
1.200
0.820
1.220
1.500
1.200
1.000
1.200
1.200
1.000
1.800
1.200
1.500
1.200
1.000
1.200
1.000
1.000
1.200
1.000
0.820
1.800
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
G
H
I
3.300
3.000
2.500
2.500
1.800
2.500
1.800
1.800
1.800
1.500
0.820
3.240
J
0.25/8
0.5/9
K
L
J
0.25/9
0.5/10
0.25/10
0.5/11
K
L
M
N
O
P
M
N
O
P
Q
R
0.25/11
Minimum order quantity of 10k required. Contact factory for
available options.
Table 6. Dual-Input HYS/TOL Options (TYP)
Minimum order quantity of 10k required. Contact factory for
available options.
IN1 HYS(%)/
TOL(±%)
IN2
SUFFIX
HYS(%)/TOL(±%)
A
B
C
D
E
F
G
H
I
0.5/4
0.25/4
0.5/5
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/5
0.5/6
0.25/6
0.5/7
0.25/6
0.5/7
0.25/7
0.5/8
0.25/7
0.5/8
J
0.25/8
0.5/9
0.25/8
0.5/9
K
L
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
M
N
O
P
Minimum order quantity of 10k required. Contact factory for
available options.
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Table 7. Triple-Input HYS/TOL Options (Typ)
Table 8. Quad-Input HYS/TOL Options (Typ)
IN1 HYS(%)/
TOL
IN2
IN3
IN1 HYS(%)/
TOL
IN2
IN3
SUFFIX
HYS(%)/TOL HYS(%)/TOL
SUFFIX
HYS(%)/TOL HYS(%)/TOL
(±%)
(±%)
0.5/4
(±%)
0.5/4
(±%)
(±%)
0.5/4
(±%)
0.5/4
A
B
C
D
E
F
G
H
I
0.5/4
0.25/4
0.5/5
A
B
C
D
E
F
G
H
I
0.5/4
0.25/4
0.5/5
0.25/4
0.5/5
0.25/4
0.5/5
0.25/4
0.5/5
0.25/4
0.5/5
0.25/5
0.5/6
0.25/5
0.5/6
0.25/5
0.5/6
0.25/5
0.5/6
0.25/5
0.5/6
0.25/5
0.5/6
0.25/6
0.5/7
0.25/6
0.5/7
0.25/6
0.5/7
0.25/6
0.5/7
0.25/6
0.5/7
0.25/6
0.5/7
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
J
0.25/8
0.5/9
0.25/8
0.5/9
0.25/8
0.5/9
J
0.25/8
0.5/9
0.25/8
0.5/9
0.25/8
0.5/9
K
L
K
L
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
M
N
O
P
M
N
O
P
Minimum order quantity of 10k required. Contact factory for
available options.
Minimum order quantity of 10k required. Contact factory for
available options.
Table 9. Reset Timeout (Min)
SUFFIX
TRP
20µs
1ms
SUFFIX
TRP
70ms
A
B
C
D
E
F
G
H
I
M
N
O
P
Q
R
S
T
100ms
140ms
150ms
200ms
280ms
400ms
560ms
800ms
1120ms
1200ms
-
2ms
3ms
5ms
10ms
15ms
20ms
25ms
35ms
40ms
50ms
U
V
W
-
J
K
L
Minimum order quantity of 10k required. Contact factory for
available options.
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
The MAX16132–MAX16135 feature ±1% threshold
accuracy over temperature. This excursion must be
added to the calculated undervotlage and overvoltage
threshold settings to account for the threshold variation
as shown below:
Applications Information
Unused Inputs
The MAX16132–MAX16135 are capable of monitoring
inputs for undervoltage and overvoltage events within a
very narrow voltage window. Connect any unused IN_
input to its nominal voltage setting.
V
= V
1 ± 1 %
(
)
UVTH_EXC
UVTH
= 2.250V 1 ± 0.01 = 2.250V ± 0.0225V
(
)
Setting Input Thresholds
V
= V
1 ± 1 %
(
)
OVTH_EXC
OVTH
The MAX16132–MAX16135 reset devices that monitor
input within a window-threshold set by the input tolerance
selection. Tolerance setting determines the boundary for
undervoltage and overvoltage thresholds. The selected
nominal input voltage must stay within the window threshold
for the MAX16132–MAX16135 not to issue a reset signal.
See below for threshold calculation for 2.5V nominal input
voltage and ±10% input tolerance:
= 2.750V 1 ± 0.01 = 2.750V ± 0.0275V
Where V
is the undervoltage threshold variation
UVTH_EXC
and V
is the overvoltage threshold variation.
OVTH_EXC
Undervoltage/Overvoltage-Detection Circuit
The open-drain outputs of the MAX16132–MAX16135
can be configured to detect an undervoltage/overvoltage
condition. Figure 2 shows the MAX1632 reset output
deriving the gate of a PFET low to turn on an LED when
there is an overvoltage/undervoltage event on IN.
V
= 2.5V
INNOM
TOL = ± 10 %
V
= V
1 − 10 % = 2.5V 1 − 0.1
(
)
(
)
UVTH
INNOM
= 2.5V − 0.250V = 2.250V
V
= V 1 + 10 % = 2.5V 1 + 0.1
(
)
(
)
OVTH
INNOM
= 2.5V + 0.250V = 2.750V
Where V
is the selected nominal input voltage, TOL
INNOM
is the input tolerance, V
is undervotlage threshold
UVTH
voltage and V
is the overvoltage threshold voltage.
OVTH
Figure 2. Undervoltage/Overvoltage Detection Circuit with LED
Indicator
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
to the device as possible. Additional capacitor improves
transient immunity. For fast transients with large volt-
age excursion, a filter resistor in series with the bypass
capacitor is recommended for proper device operation.
See Figure 3 below for more detail.
Power-Supply Bypassing and Grounding
The MAX16132–MAX16135 operate from a 1.71V to 5.5V
supply. An undervoltage lockout ensures that the outputs
are in the correct states when the UVLO is exceeded.
Bypass V
to ground with a 0.1μF capacitor as close
DD
MAX16134
“*”: Denotes optional filter resistor in series with the input bypass capacitance.
For a transient excursion of 1.71V ≤ V ≤ 5.5V a 500Ω is recommended.
DD
Figure 3. Power Supply Bypassing/Input Filter
Typical Operating Circuit
MAX16135
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MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Selector Guide
MAX161__ _ _ _+T
SUF
# OF
CHAN
SINGLE
DUAL
TRIPLE
QUAD
32
33
34
35
RESET
Single Nominal Input (Typ)
Dual Nominal Input(Typ)
VIN1_NOMM
(V)
Triple Nominal Input(Typ)
Quad-Nominal Input (TYP)
TIMEOUT
(MIN)
20µs
SUF
VIN_NOM
(V)
SUF
VIN_NOM
(V)
SUF
VIN2_NOMM
(V)
3.300
1.800
1.200
1.00
1.800
1.200
1.000
1.200
1.000
1.500
1.200
1.000
1.200
1.100
1.000
SUF
VIN1_NOMM
(V)
VIN2_NOMM
(V)
VIN3_NOMM
(V)
SUF
VIN1_NOMM
VIN2_NOMM
(V)
VIN3_NOMM
(V)
VIN4_NOMM
(V)
(V)
A
B
C
D
E
F
G
H
I
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
0.500
0.600
0.700
0.800
0.900
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
2.800
2.900
3.000
3.100
3.200
3.300
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
4.300
4.400
4.500
4.600
4.700
4.800
4.900
5.000
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
5.000
5.000
5.000
5.000
3.300
3.300
3.300
2.500
2.500
1.800
1.800
1.800
1.500
1.500
1.2500
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
5.000
5.000
5.000
4.800
4.800
4.800
4.800
4.500
4.500
4.500
3.300
3.300
3.000
3.000
2.500
2.500
3.300
3.300
3.300
3.000
3.000
1.800
1.800
3.300
3.300
3.300
1.800
1.800
1.800
1.800
1.800
1.800
1.800
1.200
1.000
1.800
1.200
1.200
1.000
1.800
1.200
1.000
1.200
1.000
1.200
1.000
1.200
1.000
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
5.000
5.000
5.000
4.800
4.800
4.800
4.500
4.500
3.300
3.300
3.300
3.000
3.000
2.500
2.300
2.300
0.820
5.000
3.300
3.300
3.300
3.300
2.500
3.000
3.300
3.000
2.500
2.500
1.800
2.500
1.800
1.800
1.800
1.500
0.820
3.240
2.500
1.800
1.200
1.800
1.800
1.500
2.500
1.800
1.800
1.800
1.200
1.500
1.200
1.200
1.500
1.200
0.820
1.220
1.500
1.200
1.000
1.200
1.200
1.000
1.800
1.200
1.500
1.200
1.000
1.200
1.000
1.000
1.200
1.000
0.820
1.800
1ms
2ms
3ms
5ms
10ms
15ms
20ms
25ms
35ms
40ms
50ms
70ms
100ms
140ms
150ms
200ms
280ms
400ms
560ms
800ms
1120ms
1200ms
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Single-Input HYS/TOL(TYP)
Dual-Input HYS/TOL(TYP)
Triple-Input HYS/TOL(TYP)
Quad-Input HYS/TOL(TYP)
SUF
IN
SUF
IN1
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
IN2
SUF
IN1
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
IN2
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
IN3
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
SUF
IN1
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
IN2
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
IN3
IN4
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
0.25/7
0.5/8
J
K
L
M
N
O
P
0.25/8
0.5/9
J
K
L
M
N
O
P
0.25/8
0.5/9
0.25/8
0.5/9
J
K
L
M
N
O
P
0.25/8
0.5/9
0.25/8
0.5/9
0.25/8
0.5/9
J
K
L
M
N
O
P
0.25/8
0.5/9
0.25/8
0.5/9
0.25/8
0.5/9
0.25/8
0.5/9
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
Maxim Integrated
│ 21
www.maximintegrated.com
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Ordering Information
PART NUMBER
MAX16132H10B+T*
MAX16132B17N+T*
MAX16132J46B+T*
MAX16132W29A+T*
MAX16133OAM+T*
MAX16133VFN+T*
MAX16133FHA+T*
MAX16133INH+T*
MAX16134TDA+T*
MAX16134OAM+T*
MAX16134SKD+T*
MAX16134MLG+T
MAX16135HRB+T*
MAX16135OIM+T*
MAX16135VGP+T*
MAX16135IDG+T*
TEMP RANGE
PIN-PACKAGE
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
Minimum Order Quantity: 5k
“+” Denotes a lead(Pb)-free/RoHS-compliant package.
“T” Denotes tape-and-reel.
“*” Denotes future product. Contact factory for details.
Note: See the Selector Guide for Reset Timeout Period, Nominal Input Voltages, and Hysteresis/Tolerance options.
Maxim Integrated
│ 22
www.maximintegrated.com
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Revision History
REVISION REVISION
PAGES
DESCRIPTION
CHANGED
NUMBER
DATE
11/16
1/17
0
1
2
Initial release
—
Corrected part numbers in Figure 3 and Typical Application Circuit
20
21
2/17
Updated Selector Guide
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
©
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
2017 Maxim Integrated Products, Inc.
│ 23
相关型号：
MAX1613EEE+T
Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, 0.150 INCH, 0.025 INCH PTICH, QSOP-16
MAXIM
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