Datasheet
TPS2041A, TPS2042A, TPS2043A, TPS2044A
TPS2051A, TPS2052A, TPS2053A, TPS2054A
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS247 – SEPTEMBER 2000
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Terminal Functions (Continued)
TPS2043A and TPS2053A
TERMINAL
NAME
NO.
I/O DESCRIPTION
NAME
TPS2043A TPS2053A
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.
EN1 – 3 I Enable input, logic high turns on power switch, IN1-OUT1.
EN2 – 4 I Enable input, logic high turns on power switch, IN1-OUT2.
EN3 – 7 I Enable input, logic high turns on power switch, IN2-OUT3.
GNDA 1 1 Ground for IN1 switch and circuitry.
GNDB 5 5 Ground for IN2 switch and circuitry.
IN1 2 2 I Input voltage
IN2 6 6 I Input voltage
NC 8, 9, 10 8, 9, 10 No connection
OC1 16 16 O Overcurrent, logic output active low, IN1-OUT1
OC2 13 13 O Overcurrent, logic output active low, IN1-OUT2
OC3 12 12 O Overcurrent, logic output active low, IN2-OUT3
OUT1 15 15 O Power-switch output, IN1-OUT1
OUT2 14 14 O Power-switch output, IN1-OUT2
OUT3 11 11 O Power-switch output, IN2-OUT3
TPS2044A and TPS2054A
TERMINAL
NAME
NO.
I/O DESCRIPTION
NAME
TPS2044A TPS2054A
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.
EN4 8 – I Enable input. Logic low turns on power switch, IN2-OUT4.
EN1 – 3 I Enable input. Logic high turns on power switch, IN1-OUT1.
EN2 – 4 I Enable input. Logic high turns on power switch, IN1-OUT2.
EN3 – 7 I Enable input. Logic high turns on power switch, IN2-OUT3.
EN4 – 8 I Enable input. Logic high turns on power switch, IN2-OUT4.
GNDA 1 1 Ground for IN1 switch and circuitry.
GNDB 5 5 Ground for IN2 switch and circuitry.
IN1 2 2 I Input voltage
IN2 6 6 I Input voltage
OC1 16 16 O Overcurrent. Logic output active low, IN1-OUT1
OC2 13 13 O Overcurrent. Logic output active low, IN1-OUT2
OC3 12 12 O Overcurrent. Logic output active low, IN2-OUT3
OC4 9 9 O Overcurrent. Logic output active low, IN2-OUT4
OUT1 15 15 O Power-switch output, IN1-OUT1
OUT2 14 14 O Power-switch output, IN1-OUT2
OUT3 11 11 O Power-switch output, IN2-OUT3
OUT4 10 10 O Power-switch output, IN2-OUT4