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TPS25942LRVCT データシート(PDF) 4 Page - Texas Instruments

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部品番号 TPS25942LRVCT
部品情報  5A eFuse Power MUX with Multiple Protection Modes
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

TPS25942LRVCT データシート(HTML) 4 Page - Texas Instruments

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16
15
14
13
12
11
1
2
3
4
5
6
DMODE
PGOOD
PGTH
OUT
OUT
OUT
GND
OVP
EN
IN
IN
IN
Thermal
Pad
TPS25942A, TPS25942L, TPS25944A, TPS25944L
SLVSCE9A – JUNE 2014 – REVISED MARCH 2015
www.ti.com
6 Device Comparison Table
DEVICE
TJ
OPERATION(1)
TYPE
TPS25942A
Current Limiter
Auto Retry
TPS25942L
Current Limiter
Latched
–40°C to 125°C
TPS25944A
Circuit Breaker
Auto Retry
TPS25944L
Circuit Breaker
Latched
(1)
Refer to Operational Differences between TPS25942 and TPS25944 for detailed information.
7 Pin Configuration and Functions
TPS259242, TPS259244
RVC PACKAGE
(TOP VIEW)
Pin Functions
PIN NAME
PIN NO.
I/O
DESCRIPTION
DMODE
1
I
Diode Mode control pin. A high at this pin will activate the Non-ideal Diode Mode.
PGOOD
2
O
Active High. A high indicates PGTH has crossed the threshold value. It is an open drain output.
PGTH
3
I
Positive input of PGOOD comparator.
OUT
4 - 8
O
Power Output of the device.
IN
9 - 13
I
Power Input and supply voltage.
Input for setting programmable undervoltage lockout threshold. An undervoltage event will open
EN/UVLO
14
I
internal FET and assert FLT to indicate power-failure. When pulled to GND, resets the fault latch
in TPS25942L, TPS25944L.
Input for setting programmable overvoltage protection threshold. An overvoltage event will open
OVP
15
I
the internal FET and assert FLT to indicate overvoltage.
GND
16
-
Ground.
ILIM
17
I/O
A resistor from this pin to GND sets the overload and short-circuit current limit.
dVdT
18
I/O
A capacitor from this pin to GND sets the ramp rate of output voltage.
This pin sources a scaled down ratio of current through the internal FET. A resistor from this pin
IMON
19
O
to GND converts current to proportional voltage, used as analog current monitor.
Fault event indicator, goes low to indicate fault condition due to Undervoltage, Overvoltage,
FLT
20
O
Reverse voltage, Circuit breaker timeout (TPS25944 only) and Thermal shutdown events. It is an
open drain output.
The GND terminal must be connected to the exposed PowerPAD. This PowerPAD must be
PowerPADTM
connected to a PCB ground plane using multiple vias for good thermal performance.
4
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Copyright © 2014–2015, Texas Instruments Incorporated
Product Folder Links: TPS25942A TPS25942L TPS25944A TPS25944L


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