TPS3805H33-Q1 [TI]
VOLTAGE DETECTOR; 电压检测器
| 型号： | TPS3805H33-Q1 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | VOLTAGE DETECTOR |
| 文件： | 总14页 (文件大小：327K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TPS3803-01-Q1
TPS3803G15-Q1
TPS3805H33-Q1
www.ti.com
SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
VOLTAGE
DETECTOR
FEATURES
APPLICATIONS
(1)
D
D
D
Qualification in Accordance With AEC-Q100
Qualified for Automotive Applications
D
Applications Using DSPs, Microcontrollers,
or Microprocessors
D
D
D
D
D
D
D
Wireless Communication Systems
Portable/Battery-Powered Equipment
Programmable Controls
Customer-Specific Configuration Control Can
Be Supported Along With Major-Change
Approval
D
D
D
D
D
Single Voltage Detector (TPS3803):
Adjustable/1.5 V
Intelligent Instruments
Industrial Equipment
Dual Voltage Detector (TPS3805):
Adjustable/3.3 V
Notebook/Desktop Computers
Automotive Systems
High 1.5% Threshold Voltage Accuracy
Supply Current: 3 µA Typical at V
= 3.3 V
DD
Push/Pull Reset Output (TPS3805) Open-Drain
Reset Output (TPS3803)
D
Temperature Range: −40°C to +125°C
5-Pin SC−70 Package
Contact factory for details. Q100 qualification data available on
request.
D
DCK PACKAGE
(Top View)
(1)
TPS3803−01, TPS3803G15, TPS3805
NC
1
2
3
5
SENSE
NC(1)
DESCRIPTION
GND
The TPS3803 and TPS3805 families of supervisory
circuits provide circuit initialization and timing supervision,
primarily for DSPs and processor-based systems.
RESET
4
VDD
(1) NC = No Connection on TPS3803G15
The TPS3803G15 device has a fixed-sense threshold
voltage VIT set by an internal voltage divider, whereas the
TPS3803−01 has an adjustable SENSE input that can be
configured by two external resistors. In addition to the fixed
sense threshold monitored at VDD, the TPS3805 devices
provide a second adjustable SENSE input. RESET is
asserted in case any of the two voltages drops below VIT.
Typical Operating Circuit
1.6 V
3.3 V
DVDD
CVDD
R1
VDD
TPS3805H33
SENSE
RESET
RESET
TMS320VC5416
GND
During power on, RESET is asserted when supply voltage
VDD becomes higher than 0.8 V. Thereafter, the
supervisory circuit monitors VDD (and/or SENSE) and
keeps RESET active as long as VDD or SENSE remains
below the threshold voltage VIT. As soon as VDD (SENSE)
rises above the threshold voltage VIT, RESET is
deasserted again. The product spectrum is designed for
1.5 V, 3.3 V, and adjustable supply voltages. The devices
are available in a 5-pin SC-70 package. The TPS3803 and
TPS3805 devices are characterized for operation over a
temperature range of −40°C to +125°C.
GND
R2
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
PACKAGE INFORMATION
THRESHOLD VOLTAGE
T
DEVICE NAME
MARKING
A
V
SENSE
1.226 V
NA
DD
(2)
(2)
TPS3803−01QDCKRQ1
NA
AWJ
AXU
AWZ
−40C to
+125_C
TPS3803G15QDCKRQ1
TPS3805H33QDCKRQ1
1.40 V
3.05 V
(2)
1.226 V
(2)
The DCKR passive indicates tape and reel containing 3000 parts.
ORDERING INFORMATION
TPS380
3
G
15
Q
DCK
R
Q1
Quality 1st Designator
Reel
Package
Temperature Designator
Nominal Supply Voltage
Nominal Threshold Voltage
Functionality
Family
Function/Truth Tables
TPS3803-01
SENSE > V
TPS3803G15
RESET
V
> V
RESET
IT
DD IT
0
1
L
0
L
H
1
H
TPS3805H33
V
DD
> V
IT
SENSE > V
RESET
IT
0
0
1
1
0
1
0
1
L
L
L
H
2
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
FUNCTIONAL BLOCK DIAGRAM
−
TPS3803 01
TPS3803G15
Device
V
DD
Supply Voltage
R1
RESET
_
RESET
V
DD
_
SENSE
GND
+
+
R2
GND
Reference
Voltage
Reference
Voltage
of 1.215 V
of 1.226 V
TPS3805
_
+
SENSE
RESET
R1
_
+
V
DD
R2
GND
Reference
Voltage
of 1.226 V
3
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
TIMING REQUIREMENTS
V
DD
or SENSE
V
IT
+ V
hys
V
IT
0.8 V
RESET
= Undefined
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
2
GND
I
O
I
Ground
RESET
SENSE
NC
3
Active-low reset output (TPS3803—open−drain, TPS3805—push/pull)
Adjustable sense input
5
1
No internal connection
NC (TPS3803G15)
5
No internal connection
V
DD
4
I
Input supply voltage, fixed sense input for TPS3803G15 and TPS3805
4
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
ABSOLUTE MAXIMUM RATINGS(1)
Over operating free-air temperature range, unless otherwise noted.
(2)
Supply voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
DD
(2)
All other pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to +7 V
Maximum low-output current, I
Maximum high-output current, I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5 mA
OL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −5 mA
OH
Input clamp current, I (V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
IK
OK
I
I
DD
Output clamp current, I
(V < 0 or V > V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
O O DD
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table
Operating free-air temperature range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to +125°C
A
Storage temperature range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to +150°C
stg
Soldering temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
(1)
(2)
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 under “recommended operating conditions” is not
implied. Exposure to absolute−maximum−rated conditions for extended periods may affect device reliability.
All voltage values are with respect to GND. For reliable operation the device should not be continuously operated at 7 V for more than
t = 1000 h.
DISSIPATION RATING TABLE
PACKAGE
T
< +25°C
DERATING FACTOR
T
= +70°C
T = +85°C
A
POWER RATING
A
A
POWER RATING
ABOVE T = +25°C
POWER RATING
A
DCK
321 mW
2.6 mW/°C
206 mW
167 mW
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
V
Supply voltage, V
DD
1.3
0
6
Input voltage, V
V
DD
+ 0.3
125
V
I
Operating free-air temperature range, T
−40
°C
A
5
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range, unless otherwise noted
.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
= 1.5 V,
= 3.3 V,
= 6 V,
I
I
I
I
I
I
= −0.5 mA
= −1.0 mA
= −1.5 mA
= 1.0 mA
= 2 mA
OH
OH
OH
OL
OL
OL
V
V
High-level output voltage (TPS3805 only)
Low-level output voltage
0.8 x V
V
OH
DD
= 1.5 V,
= 3.3 V,
= 6 V,
0.3
V
OL
= 3 mA
VIT > 1.5 V, TA = +25°C
VIT ≤ 1.5 V, TA = +25°C
SENSE
0.8
1.0
V
V
(1)
Power-up reset voltage
1.200 1.226 1.244
Negative-going input threshold
TPS3803G15
1.379
3.004
1.4 1.421
V
V
T
A
= −40°C to +125°C
V
IT
(2)
voltage
TPS3805H33
3.05 3.096
1.2 V < V < 2.5 V
IT
15
Hysteresis
mV
hys
2.5 V < V < 3.5 V
IT
30
I
I
Input current
SENSE
−25
25
nA
nA
I
High-level output current at RESET
Open drain only
TPS3803−01
V
V
= V + 0.2V, V
IT OH
= V
DD
300
OH
DD
2
3
2
4
1
4
5
4
6
= 3.3 V, output uncon-
DD
TPS3805,
TPS3803G15
nected
I
Supply current
µA
DD
TPS3803−01
V
DD
= 6 V, output unconnected
TPS3805,
TPS3803G15
C
Input capacitance
V = 0 V to V
I DD
pF
I
(1)
(2)
The lowest supply voltage at which RESET (VOL(max) = 0.2 V, IOL = 50 µA) becomes active. t
r(V
≥ 15 µs/V
DD
)
To ensure the best stability of the threshold voltage, place a bypass capacitor (ceramic, 0.1 µF) near the supply terminals.
TIMING REQUIREMENTS
At R = 1 MΩ, C = 50 pF, T = −40°C to +125°C.
L
L
A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
At V
DD
t
w
Pulse width
V = 1.05 x V , V = 0.95 x V
IH IT IL IT
5.5
µs
At SENSE
SWITCHING CHARACTERISTICS
At R = 1 MΩ, C = 50 pF, T = −40°C to +125°C.
L
L
A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
to RESET delay
Propagation (delay) time,
high-to-low-level output
DD
SENSE to RESET delay
to RESET delay
t
t
5
100
PHL
V
IH
V
IL
= 1.05 x V ,
IT
= 0.95 x V
IT
µs
V
Propagation (delay) time,
low-to-high-level output
DD
SENSE to RESET delay
5
100
PLH
6
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
TYPICAL CHARACTERISTICS
TPS3805H33
SUPPLY CURRENT
vs
TPS3803−01
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
SUPPLY VOLTAGE
6
3
2.5
2
SENSE = GND
RESET = Open
5
4
3
2
1
0
1.5
1
85°C
85°C
25°C
25°C
0°C
0°C
−40°C
−40°C
0.5
0
SENSE = GND
RESET = Open
0
0.5
1
1.5
V
2
2.5
3
3.5
4
4.5
5
5.5
6
0
0.5
1
1.5
V
2
2.5
3
3.5
4
4.5
5
5.5
6
− Supply Voltage − V
− Supply Voltage − V
DD
DD
Figure 1
Figure 2
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
LOW-LEVEL OUTPUT CURRENT
1.60
1.40
1.20
0.50
(Expanded View)
V
V
= 1.5 V
DD
(SENSE)
V
= 1.5 V
0.45
DD
= Low
V
= Low
(SENSE)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
85°C
25°C
25°C
1.00
0.80
0.60
0°C
0°C
−40°C
−40°C
0.40
0.20
0
0
1
2
3
4
5
0
0.5
OL
1
1.5
2
2.5
3
I
− Low-Level Output Current − mA
I
− Low-Level Output Current − mA
OL
Figure 3
Figure 4
7
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
TYPICAL CHARACTERISTICS
LOW-LEVEL OUTPUT VOLTAGE
LOW-LEVEL OUTPUT VOLTAGE
vs
vs
LOW-LEVEL OUTPUT CURRENT
LOW-LEVEL OUTPUT CURRENT
1
0.9
0.8
0.7
0.6
3.5
3
V
V
= 6 V
DD
(SENSE)
V
V
= 6 V
DD
= Low
= Low
(SENSE)
85°C
25°C
0°C
−40°C
85°C
25°C
0°C
−40°C
2.5
2
0.5
1.5
0.4
0.3
1
0.5
0
0.2
(Expanded View)
0.1
0
0
2
4
6
8
10 12 14 16 18 20
0
5
10 15 20 25 30 35 40 45 50
− Low-Level Output Current − mA
I
− Low-Level Output Current − mA
I
OL
OL
Figure 5
Figure 6
TPS3805H33
TPS3805H33
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
3.3
3.5
V
= 3.3 V
DD
V
= 3.3 V
DD
3.2
3.1
3
3.25
3
V
= High
V
= High
(SENSE)
(SENSE)
2.75
2.5
2.25
2
85°C
25°C
85°C
25°C
2.9
2.8
0°C
0°C
−40°C
−40°C
2.7
2.6
2.5
1.75
1.5
(Expanded View)
−5
−4
−3
−2
−1
0
−14 −12
−10
−8
−6
−4
−2
0
I − High-Level Output Current − mA
OH
I
− High-Level Output Current − mA
OH
Figure 7
Figure 8
8
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
TYPICAL CHARACTERISTICS
TPS3805H33
HIGH-LEVEL OUTPUT VOLTAGE
vs
TPS3805H33
HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
HIGH-LEVEL OUTPUT CURRENT
6
6
5.8
5.6
5.4
V = 6 V
DD
V
(SENSE)
V
= 6 V
DD
= High
V
= High
5.5
5
(SENSE)
85°C
25°C
85°C
25°C
4.5
4
5.2
5
0°C
−40°C
0°C
3.5
3
(Expanded View)
4.8
4.6
−40°C
−4
−3
−2
−1
0
−14 −12
I
−10
−8
−6
−4
−2
0
I
− High-Level Output Current − mA
− High-Level Output Current − mA
OH
OH
Figure 9
Figure 10
TPS3803−01
NORMALIZED INPUT THRESHOLD VOLTAGE
MINIMUM PULSE DURATION AT V
vs
DD
vs
FREE-AIR TEMPERATURE AT SENSE
V
THRESHOLD OVERDRIVE VOLTAGE
DD
10
9
8
7
6
5
4
3
2
1
0
1.0020
1.0015
V
= 6 V
DD
RESET = 100 kΩ to V
DD
1.0010
1.0005
1.0000
0.9995
0.9990
0.9985
0.9980
−40
−20
0
20
40
60
80
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
T
A
− Free-Air Temperature at SENSE − °C
V
DD
− Threshold Overdrive Voltage − V
Figure 11
Figure 12
9
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ꢆ ꢀ ꢠ ꢡ ꢢꢣ ꢡ ꢧꢥꢨ ꢤꢦꢥ
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SGLS228A − DECEMBER 2003 − REVISED JUNE 2007
TYPICAL CHARACTERISTICS
MINIMUM PULSE DURATION AT SENSE
vs
SENSE THRESHOLD OVERDRIVE VOLTAGE
10
9
8
7
6
5
4
3
2
1
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
SENSE − Threshold Overdrive Voltage − V
1
Figure 13
10
Revision History
DATE
REV
PAGE
Front Page
3
SECTION
DESCRIPTION
—
—
Updated front page.
Functional block diagram change.
6/07
A
:
NOTE Page numbers for previous revisions may differ from page numbers in the current version.
PACKAGE OPTION ADDENDUM
www.ti.com
15-Jun-2007
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
SC70
SC70
SC70
Drawing
TPS3803-01QDCKRQ1
TPS3803G15QDCKRQ1
TPS3805H33QDCKRQ1
ACTIVE
ACTIVE
ACTIVE
DCK
5
5
5
3000
3000
3000
TBD
TBD
TBD
CU POSTPLATE Level-1-220C-UNLIM
CU POSTPLATE Level-1-220C-UNLIM
CU POSTPLATE Level-1-220C-UNLIM
DCK
DCK
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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Addendum-Page 1
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