EN 137
3139 785 32804
8.
IC Internal Block Diagrams
PIN DESCRIPTION
TPS2041A and TPS2051A
TERMINAL
NAME
NO.
I/O
DESCRIPTION
NAME
TPS2041A
TPS2051A
EN
4
–
I
Enable input. Logic low turns on power switch.
EN
–
4
I
Enable input. Logic high turns on power switch.
GND
1
1
I
Ground
IN
2, 3
2, 3
I
Input voltage
OC
5
5
O
Overcurrent. Logic output active low
OUT
6, 7, 8
6, 7, 8
O
Power-switch output
TPS2042A and TPS2052A
TERMINAL
NAME
NO.
I/O
DESCRIPTION
NAME
TPS2042A
TPS2052A
EN1
3
–
I
Enable input. Logic low turns on power switch, IN-OUT1.
EN2
4
–
I
Enable input. Logic low turns on power switch, IN-OUT2.
EN1
–
3
I
Enable input. Logic high turns on power switch, IN-OUT1.
EN2
–
4
I
Enable input. Logic high turns on power switch, IN-OUT2.
GND
1
1
I
Ground
IN
2
2
I
Input voltage
OC1
8
8
O
Overcurrent. Logic output active low, for power switch, IN-OUT1
OC2
5
5
O
Overcurrent. Logic output active low, for power switch, IN-OUT2
OUT1
7
7
O
Power-switch output
OUT2
6
6
O
Power-switch output
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