TC54VN4502ECB713 [MICROCHIP]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, PLASTIC, SOT-23A, 3 PIN;
| 型号： | TC54VN4502ECB713 |
| 厂家： | 
MICROCHIP |
| 描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, PLASTIC, SOT-23A, 3 PIN 光电二极管 |
| 文件： | 总18页 (文件大小：227K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC54
Voltage Detector
Features:
General Description:
• ±2.0% Detection Thresholds
The TC54 series are CMOS voltage detectors espe-
cially well-suited for battery-powered applications
because of their extremely low 1 µA operating current
and small surface-mount packaging. Each part is laser-
trimmed to the desired threshold voltage, which can be
specified from 1.4V to 6.0V with a 2% tolerance.
• Small Packages: 3-Pin SOT-23A, SOT-89, and
TO-92
• Low Current Drain: 1 µA, typical
• Wide Detection Range: 1.1V to 6.0V
• Wide Operating Voltage Range: 0.7V to 10V
The TC54 is available with either an open-drain or com-
plementary output stage. During operation, the output
(VOUT) remains in the logic-high state as long as VIN is
Applications:
–
greater than the specified threshold voltage (VDET ).
• Battery Voltage Monitoring
• Microprocessor Reset
–
When VIN falls below VDET , the output is driven to a
logic-low. VOUT remains low until VIN rises above
VDET by an amount VHYST, when it resets to a logic-
• System Brown-Out Protection
• Switching Circuit in Battery Backup
• Level Discriminator
–
high state.
Package Types
Functional Block Diagram
3-Pin SOT-23A
3-Pin SOT-89
VIN
TC54VC only
VIN
3
VIN
TC54
TC54
3
VOUT
1
2
1
2
–
VOUT
VSS
VOUT VIN
VSS
+
3-Pin TO-92
1 2 3
VREF
VSS
TC54VN has open-drain output.
TC54VC has complementary (push-pull) output.
VOUT VIN VSS
Note:
3-Pin SOT-23A is equivalent to the
EIAJ SC-59.
Device Features
Output
Device
Reset Delay
Std. Trip Points(1) (typical)
Type
State
TC54VN
TC54VC
Open-Drain
Push-Pull
Active Low
Active Low
No
No
1.4V, 2.1V, 2.7V, 2.9V
3.0V, 4.2V, 4.3V
Note 1: Custom Trip Points available. Minimum order requirement. Information available upon request.
2001-2014 Microchip Technology Inc.
DS20001434K-page 1
TC54
† Notice: Stresses above those listed under "Absolute Maxi-
mum 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 above those indicated
in the operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
Input Voltage ...................................................................+12V
Output Current ..............................................................50 mA
Output Voltage: CMOS................(V – 0.3V) to (V + 0.3V)
SS
IN
Open-Drain.....................(V – 0.3V) to 12V
SS
Power Dissipation (T 70°C):
A
3-Pin SOT-23A .......................................................240 mW
3-Pin SOT-89..........................................................500 mW
3-Pin TO-92............................................................300 mW
Operating Temperature Range........................-40°C to +85°C
Storage Temperature Range.........................-65°C to +150°C
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, TA = +25°C.
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Conditions
(VDET ) 1.6V
–
Operating Voltage
VIN
0.7
0.7
—
—
10.0
6.0
V
V
–
(VDET ) < 1.6V
Quiescent Current
ISS
—
0.8
0.9
1.0
1.1
1.4
2.1
2.7
2.9
3.0
4.2
4.3
N.M
70
2.7
µA
VIN = 2.0V
—
3.0
VIN = 3.0V
—
3.2
VIN = 4.0V
—
3.6
VIN = 5.0V
–
Threshold Voltage
(Note 1)
VDET
1.37
2.06
2.65
2.84
2.94
4.12
4.21
N.M-2%
28
1.43
2.14
2.75
2.96
3.06
4.28
4.39
N.M+2%
112
V
TC54VX14
TC54VX21
TC54VX27
TC54VX29
TC54VX30
TC54VX42
TC54VX43
TC54VXNM (Note 2)
VDET = 1.4V (typical)
VDET = 2.1V (typical)
VDET = 2.7V (typical)
VDET = 2.9V (typical)
Hysteresis Voltage
VHYST
mV
42
105
135
145
150
210
215
Q
168
216
232
240
336
344
Q+60%
—
54
58
60
VDET = 3.0V (typical)
84
VDET = 4.2V (typical)
VDET = 4.3V (typical)
86
Q-60%
3.0
VDET = (20*Q)V (typical) (Note 2)
Output Current
IOUT
7.7
10.1
11.5
13.0
-10.0
mA
VOL = 0.5V, VIN = 2.0V
VOL = 0.5V, VIN = 3.0V
5.0
—
6.0
—
VOL = 0.5V, VIN = 4.0V
7.0
—
VOL = 0.5V, VIN = 5.0V
—
-2.0
TC54VC Only:
VOH = VIN – 2.1V, VIN = 8.0V
–
)
–
)
Tempco of (VDET
Delay Time
TC (VDET
tDLY
—
—
±100
—
—
ppm/°C -40°C TA 85°C
–
VDET VOUT inversion
0.2
ms
Note 1: For other voltage options, please contact your regional Microchip sales office.
2: Represents all other custom Threshold Voltage options.
DS20001434K-page 2
2001-2014 Microchip Technology Inc.
TC54
TEMPERATURE SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, all limits are specified for: VDD =+1.8V to +5.5V, VSS= GND.
Parameters
Temperature Ranges
Sym.
Min.
Typ.
Max. Units
Conditions
Operating Temperature Range
TA
TA
-40
-65
—
—
+85
°C
°C
Storage Temperature Range
+150
Thermal Package Resistances
Thermal Resistance, 3L-SOT-23A
JA
JA
JA
—
—
—
308
131.7
146
—
—
—
°C/W
°C/W
°C/W
Thermal Resistance, 3L-SOT-89
Thermal Resistance, 3L-TO-92
–+VHYST
VDET
VDET
VDD
tDLY
VOH
OUTPUT
FIGURE 1-1:
Timing Diagram.
2001-2014 Microchip Technology Inc.
DS20001434K-page 3
TC54
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
TC54
Symbol
Description
Digital Output
SOT-23A
SOT-89
TO-92
1
3
1
2
1
2
VOUT
VIN
Analog Input
2
3
3
VSS
VIN
Ground Terminal
Analog Input
—
Tab
—
2.1
Digital Output (V
)
2.3
Ground Terminal (V
)
OUT
SS
–
VOUT goes low when VIN drops below VDET and
VSS provides the negative reference for the analog
input voltage. Typically, the circuit ground is used.
–
returns high when VIN rises above VDET + VHYST
.
(
Figure 3-1).
See
2.2
Analog Input (V )
IN
VIN can be used for power supply monitoring or a
voltage level that requires monitoring.
DS20001434K-page 4
2001-2014 Microchip Technology Inc.
TC54
The output (VOUT) will stay valid until the input voltage
falls below the minimum operating voltage (VINMIN) of
0.7V. Below this minimum operating voltage, the output
is undefined. During power-up (or anytime VIN has
fallen below VINMIN), VOUT will remain undefined until
VIN rises above VINMIN. When this occurs, the output
will become valid. VOUT will be in its Active-low state,
3.0
DETAILED DESCRIPTION
–
,
In normal steady-state operation when VIN > VDET
the output will be at a logic-high (see Figure 3-1). In the
case of the TC54VN, this is an open-drain condition. If
the input falls below VDET , the output will pull down
(Logic 0) to VSS. Generally, VOUT can pull down to
within 0.5V of VSS at rated output current and input
voltage.
Characteristics”).
–
–
while VINMIN < VIN < VDET+ (therefore, VDET+ = VDET
(See
Section 1.0
“Electrical
+ VHYST). If the input rises above VDET+, the output will
assume its Inactive state (high for TC54VC, open-drain
for TC54VN).
VIN
+
VDET
VHYST
Release Voltage
or Reset Voltage
–
Detect Voltage VDET
Minimum Operating
Voltage
Ground Level
VOUT
Output Voltage
Ground Level
FIGURE 3-1:
Timing Diagram.
2001-2014 Microchip Technology Inc.
DS20001434K-page 5
TC54
4.2
Other Applications
4.0
4.1
APPLICATIONS INFORMATION
Low operating power and small physical size make the
TC54 series ideal for many voltage detector applica-
tions, such as those shown in Figures 4-2, 4-3 and 4-4.
Figure 4-2 shows a low-voltage gate drive protection
circuit that prevents the overheating of the logic-level
MOSFET due to insufficient gate voltage. When the
input signal is below the threshold of the TC54VN, its
output grounds the gate of the MOSFET. Figure 4-3
and Figure 4-4 show the TC54 in conventional voltage
monitoring applications.
Modifying the Trip Point, V
–
DET
–
Although the TC54 has a pre-programmed VDET , it is
sometimes necessary to make adjustments during
prototyping. This can be accomplished by connecting
an external resistor divider to a TC54, which has a
–
VDET lower than that of VSOURCE (Figure 4-1).
To maintain detector accuracy, the bleeder current
through the divider should be significantly higher than
the 1 µA operating current required by the TC54. A rea-
sonable value for this bleeder current is 100 µA (100
times the 1 µA required by the TC54). For example, if
4.3V
–
VDET = 2V and the desired trip point is 2.5V, the value
VCC
270
of R1 + R2 is 25 k (2.5V/100 µA). The value of
R1 + R2 can be rounded to the nearest standard value
and plugged into the equation of Figure 4-1 to calculate
values for R1 and R2. 1% tolerance resistors are
recommended.
VIN
RL
MTP3055EL
VOUT
TC54VX
VSOURCE
VSS
R2
FIGURE 4-2:
MOSFET Low Drive
VIN
VOUT
Protection.
TC54
R1
+
–
VSS
VIN
TC54VX
BATLOW
VOUT
R
1
--------------------
V
SOURCE R1
= V
-
DET
+ R
2
VSS
Where:
VSOURCE = Voltage to be monitored
–
VDET
= Threshold Voltage setting of TC54
FIGURE 4-3:
Battery Voltage Monitor.
Note:
In this example, VSOURCE must be
–
)
greater than (VDET
VIN
FIGURE 4-1: Modify Trip-point of the
+
TC54 using External Resistor Divider.
VOUT
Pwr.
Sply.
TC54VX
Power Good
–
VSS
FIGURE 4-4:
Power Good Monitor.
DS20001434K-page 6
2001-2014 Microchip Technology Inc.
TC54
5.0
5.1
PACKAGING INFORMATION
Package Marking Information
3-Lead SOT-23A
Example
C302
2NN
3-Lead SOT-89
Example
XXXYYWW
@NNN
E3
31
3-Lead TO-92
Example
XXXXXX
XXXXXX
XXXXXX
YWWNNN
54VN
3002
1256
Legend: XX...X Customer-specific information
Y
YY
WW
NNN
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
e
3
*
This package is Pb-free. The Pb-free JEDEC designator (
can be found on the outer packaging for this package.
)
e3
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
2001-2014 Microchip Technology Inc.
DS20001434K-page 7
TC54
3-Pin TO-92
3-Pin SOT-23A
3-Pin SOT-89
2
1
4
3
1 2 3 4
5 6 7 8
1
2
3
4
1 ,
4
2 and 3
= 54X (fixed)
1
represents output configuration (CMOS or Nch)
and first integer of voltage
represents output configuration (CMOS or N-Ch)
C
Ex: CMOS 3.x =
D
Ex: CMOS 3.x =
Symbol
Output
Symbol
Output
Voltage
C
N
CMOS
B
C
D
E
F
H
I
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
1.
2.
3.
4.
5.
6.
7.
N-Channel
5
represents first integer of detect voltage
Symbol
Voltage
2
3
4
5
6
2.
3.
4.
5.
6.
Symbol
Output
Voltage
L
M
N
P
R
S
T
N-Channel
N-Channel
N-Channel
N-Channel
N-Channel
N-Channel
N-Channel
1.
2.
3.
4.
5.
6.
7.
6 represents first decimal of detect voltage
Symbol
Voltage
Symbol
Voltage
0
1
2
3
4
.0
.1
.2
.3
.4
5
6
7
8
9
.5
.6
.7
.8
.9
2 represents first decimal of output voltage (0-9)
D
4
Ex: CMOS 3.x =
Symbol
Voltage
Symbol
Voltage
represents the output delay time
7
0
1
2
3
4
5
.0
.1
.2
.3
.4
.5
6
7
8
9
.6
.7
.8
.9
Symbol
Delay Time
No Delay
0
8 represents the device accuracy
Symbol
Accuracy
)
1
2
±1.0% (custom)
±2.0% (standard)
3
represent assembly lot code
4
and
DS20001434K-page 8
2001-2014 Microchip Technology Inc.
TC54
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2001-2014 Microchip Technology Inc.
DS20001434K-page 9
TC54
Note: For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
DS20001434K-page 10
2001-2014 Microchip Technology Inc.
TC54
3-Lead Plastic Small Outline Transistor (MB) - [SOT-89]
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DS20001434K-page 11
TC54
3-Lead Plastic Small Outline Transistor (MB) - [SOT-89]
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DS20001434K-page 12
2001-2014 Microchip Technology Inc.
TC54
3-Lead Plastic Small Outline Transistor (MB) - [SOT-89]
Note: For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
X1
X2 (2x)
Y1
Y3
Y4
Y2
Y
X (3x)
C
SILK SCREEN
RECOMMENDED LAND PATTERN
Units
Dimension Limits
MILLIMETERS
NOM
MIN
MAX
C
X
1.50 (BSC)
0.900
X1
X2
Y
1.733
0.416
1.300
Y1
Y2
Y3
Y4
4.600
1.475
0.950
1.125
Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Microchip Technology Drawing No. C04-2029B
2001-2014 Microchip Technology Inc.
DS20001434K-page 13
TC54
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DS20001434K-page 14
2001-2014 Microchip Technology Inc.
TC54
APPENDIX A: REVISION HISTORY
Revision K (July 2014)
The following is the list of modifications:
1. Updated the “DC Characteristics” table.
Revision J (June 2011)
The following is the list of modifications:
1. Updated
temperature
values
in
the
“Temperature Specifications” table.
2. Corrected equation in Figure 4-1.
3. Added new examples layout in Section 5.1,
Package Marking Information.
Revision H (December 2007)
The following is the list of modifications:
1. Updated Features section.
2. Removed 5-Pin SOT-23 related information.
3. Updated Output Current (IOUT
Specification.
)
Electrical
4. Removed 7.7V (typical) Voltage Trip Point
Option. Max Trip Point Voltage is now 6.0V.
5. Updated Pin Function Table.
6. Updated Packaging Specification Information.
7. Added Revision History section.
8. Updated Product Identification System page.
Revision G (August 2004)
Undocumented changes.
Revision F (July 2004)
Undocumented changes.
Revision E (April 2003)
Undocumented changes.
Revision D (October 2002)
Undocumented changes.
Revision C (July 2002)
Undocumented changes.
Revision B (May 2002)
Undocumented changes.
Revision A (March 2001)
Original Release of this Document.
2001-2014 Microchip Technology Inc.
DS20001434K-page 15
TC54
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
X
XX
X
X
X
XX
XX
Examples:
a) TC54VC1402ECB713:
Tape and Reel,
1.4V Voltage
Detector, 2% Tol.,
SOT-23A-3
Device
Output Detected Extra Tolerance Temp. Pkg Taping
Config. Voltage Feature
Code
Direction
b)
TC54VC1402EMB713:
Tape and Reel,
1.4V Voltage
Detector, 2% Tol.,
SOT-89-3
1.4V Voltage
Detector, 2% Tol.,
TO-92
Tape and Reel,
2.1V Voltage
Detector, 2% Tol.,
SOT-23A-3
Tape and Reel,
2.1V Voltage
Detector, 2% Tol.,
SOT-89-3
Device:
TC54V:
Voltage Detector
Output
Configuration:
N
C
=
=
N-Channel Open-Drain
CMOS Output
c)
d)
TC54VC1402EZB:
TC54VC2102ECB713:
Detected Voltage:
14
21
27
29
30
42
43
=
=
=
=
=
=
=
1.4V
2.1V
2.7V
2.9V
3.0V
4.2V
4.3V
e)
TC54VC2102EMB713:
f)
TC54VC2102EZB:
2.1V Voltage
Detector,
Extra Feature Code:
Tolerance:
0
2
E
=
=
=
Fixed
2% Tol., TO-92
Tape and Reel,
2.7V Voltage
Detector, 2% Tol.,
SOT-23A-3
Tape and Reel,
3.0V Voltage
Detector, 2% Tol.,
SOT-23A-3
Tape and Reel,
4.2V Voltage
Detector, 2% Tol.,
SOT-23A-3
g)
TC54VC2702ECB713:
2%
h)
i)
TC54VC3002ECB713:
TC54VN4202ECB713:
Temperature:
Package:
-40°C to +85°C
CB
MB
ZB
=
=
=
Plastic Small Outline Transistor, SOT-23A, 3-lead
Plastic Small Outline Transistor, SOT-89, 3-lead
Plastic Transistor Outline, TO-92, 3-lead
Taping Direction:
713 = Standard Taping
DS20001434K-page 16
2001-2014 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, dsPIC,
FlashFlex, flexPWR, JukeBlox, KEELOQ, KEELOQ logo, Kleer,
LANCheck, MediaLB, MOST, MOST logo, MPLAB,
32
OptoLyzer, PIC, PICSTART, PIC logo, RightTouch, SpyNIC,
SST, SST Logo, SuperFlash and UNI/O are registered
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
The Embedded Control Solutions Company and mTouch are
registered trademarks of Microchip Technology Incorporated
in the U.S.A.
Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo,
CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit
Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet,
KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo,
MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code
Generation, PICDEM, PICDEM.net, PICkit, PICtail,
RightTouch logo, REAL ICE, SQI, Serial Quad I/O, Total
Endurance, TSHARC, USBCheck, VariSense, ViewSpan,
WiperLock, Wireless DNA, and ZENA are trademarks of
Microchip Technology Incorporated in the U.S.A. and other
countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
Silicon Storage Technology is a registered trademark of
Microchip Technology Inc. in other countries.
GestIC is a registered trademarks of Microchip Technology
Germany II GmbH & Co. KG, a subsidiary of Microchip
Technology Inc., in other countries.
All other trademarks mentioned herein are property of their
respective companies.
© 2001-2014, Microchip Technology Incorporated, Printed in
the U.S.A., All Rights Reserved.
ISBN: 978-1-63276-422-5
QUALITY MANAGEMENT SYSTEM
CERTIFIED BY DNV
Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
== ISO/TS 16949 ==
2001-2014 Microchip Technology Inc.
DS20001434K-page 17
Worldwide Sales and Service
AMERICAS
ASIA/PACIFIC
ASIA/PACIFIC
EUROPE
Corporate Office
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support:
http://www.microchip.com/
support
Asia Pacific Office
Suites 3707-14, 37th Floor
Tower 6, The Gateway
Harbour City, Kowloon
Hong Kong
Tel: 852-2943-5100
Fax: 852-2401-3431
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Tel: 91-80-3090-4444
Fax: 91-80-3090-4123
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Tel: 43-7242-2244-39
Fax: 43-7242-2244-393
Denmark - Copenhagen
Tel: 45-4450-2828
Fax: 45-4485-2829
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Tel: 91-11-4160-8631
Fax: 91-11-4160-8632
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Web Address:
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Tel: 86-10-8569-7000
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Tel: 49-89-627-144-0
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Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
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Tel: 65-6334-8870
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Tel: 886-7-213-7830
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Tel: 86-755-8864-2200
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Taiwan - Taipei
Tel: 886-2-2508-8600
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Los Angeles
China - Wuhan
Tel: 86-27-5980-5300
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Tel: 949-462-9523
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Tel: 86-592-2388138
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03/25/14
DS20001434K-page 18
2001-2014 Microchip Technology Inc.
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