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TPS2046BDG4 Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS2046BDG4
Description  CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2046BDG4 Datasheet(HTML) 7 Page - Texas Instruments

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Thermal
Sense
Driver
Current
Limit
UVLO
CS
Driver
Current
Limit
CS
Thermal
Sense
GND
EN1
IN1
EN2
OC1
OUT1
OUT2
OC2
Deglitch
Deglitch
Driver
Current
Limit
CS
Thermal
Sense
Charge
Pump
GND
IN2
EN3
OUT3
OC3
Deglitch
VCC
Selector
UVLO
(SeeNote A)
(SeeNote A)
(SeeNote A)
TPS2045B, TPS2055B
TPS2046B, TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
Terminal Functions (TPS2047B)
TERMINAL
I/O
DESCRIPTION
NAME
NUMBER
EN1
3
I
Enable input, logic low turns on power switch IN1-OUT1
EN2
4
I
Enable input, logic low turns on power switch IN1-OUT2
EN3
7
I
Enable input, logic low turns on power switch IN2-OUT3
GND
1, 5
Ground
IN1
2
I
Input voltage for OUT1 and OUT2
IN2
6
I
Input voltage for OUT3
NC
8, 9, 10
No connection
OC1
16
O
Overcurrent, open-drain output, active low, IN1-OUT1
OC2
13
O
Overcurrent, open-drain output, active low, IN1-OUT2
OC3
12
O
Overcurrent, open-drain output, active low, IN2-OUT3
OUT1
15
O
Power-switch output, IN1-OUT1
OUT2
14
O
Power-switch output, IN1-OUT2
OUT3
11
O
Power-switch output, IN2-OUT3
FUNCTIONAL BLOCK DIAGRAM (TPS2047B)
A.
Current sense
Copyright © 2004–2007, Texas Instruments Incorporated
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Product Folder Link(s): TPS2045B TPS2055B TPS2046B TPS2047B


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