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SLVS514E – APRIL 2004 – REVISED JANUARY 2006
Terminal Functions (TPS2043B and TPS2053B)
TERMINAL
NAME
EN1
EN2
EN3
EN1
EN2
EN3
GND
IN1
IN2
NC
OC1
OC2
OC3
OUT1
OUT2
OUT3
TPS2043B
3
4
7
--
--
--
1, 5
2
6
8, 9, 10
16
13
12
15
14
11
TPS2053B
--
--
--
3
4
7
1, 5
2
6
8, 9, 10
16
13
12
15
14
11
O
O
O
O
O
O
I
I
I/O
I
I
I
I
I
I
DESCRIPTION
Enable input, logic low turns on power switch IN1-OUT1
Enable input, logic low turns on power switch IN1-OUT2
Enable input, logic low turns on power switch IN2-OUT3
Enable input, logic high turns on power switch IN1-OUT1
Enable input, logic high turns on power switch IN1-OUT2
Enable input, logic high turns on power switch IN2-OUT3
Ground
Input voltage for OUT1 and OUT2
Input voltage for OUT3
No connection
Overcurrent, open-drain output, active low, IN1-OUT1
Overcurrent, open-drain output, active low, IN1-OUT2
Overcurrent, open-drain output, active low, IN2-OUT3
Power-switch output, IN1-OUT1
Power-switch output, IN1-OUT2
Power-switch output, IN2-OUT3
7
TI [ TEXAS INSTRUMENTS ]
