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SLVS514E – APRIL 2004 – REVISED JANUARY 2006
Terminal Functions (TPS2044B and TPS2054B)
TERMINAL
NAME
EN1
EN2
EN3
EN4
EN1
EN2
EN3
EN4
GND
IN1
IN2
OC1
OC2
OC3
OC4
OUT1
OUT2
OUT3
OUT4
TPS2044B
3
4
7
8
-
-
-
-
1, 5
2
6
16
13
12
9
15
14
11
10
TPS2054B
-
-
-
-
3
4
7
8
1, 5
2
6
16
13
12
9
15
14
11
10
I
I
O
O
O
O
O
O
O
O
I/O
I
I
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 low turns on power switch IN2-OUT4
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
Enable input, logic high turns on power switch IN2-OUT4
Ground
Input voltage for OUT1 and OUT2
Input voltage for OUT3 and OUT4
Overcurrent, open-drain output, active low, IN1-OUT1
Overcurrent, open-drain output, active low, IN1-OUT2
Overcurrent, open-drain output, active low, IN2-OUT3
Overcurrent, open-drain output, active low, IN2-OUT4
Power-switch output, IN1-OUT1
Power-switch output, IN1-OUT2
Power-switch output, IN2-OUT3
Power-switch output, IN2-OUT4
9
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