ZHCSSK0P April 2004 – August 2024 TPS2041B , TPS2042B , TPS2043B , TPS2044B , TPS2051B , TPS2052B , TPS2053B , TPS2054B
PRODUCTION DATA






| PIN | I/O | DESCRIPTION | ||||
|---|---|---|---|---|---|---|
| NAME | TPS2041B | TPS2051B | TPS2041B | TPS2051B | ||
| SOIC AND DGN | SOT-23 | |||||
| EN | 4 | — | 4 | — | I | Enable input, logic low turns on power switch |
| EN | — | 4 | — | 4 | I | Enable input, logic high turns on power switch |
| GND | 1 | 1 | 2 | 2 | — | Ground |
| IN | 2, 3 | 2, 3 | 5 | 5 | I | Input voltage |
| OC | 5 | 5 | 3 | 3 | O | Overcurrent open-drain output, active-low |
| OUT | 6, 7, 8 | 6, 7, 8 | 1 | 1 | O | Power-switch output |
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | TPS2042B | TPS2052B | ||
| SOIC, HVSSOP, SON | ||||
| 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 | — | Ground |
| IN | 2 | 2 | I | Input voltage |
| OC1 | 8 | 8 | O | Overcurrent, open-drain output, active low, IN-OUT1 |
| OC2 | 5 | 5 | O | Overcurrent, open-drain output, active low, IN-OUT2 |
| OUT1 | 7 | 7 | O | Power-switch output, IN-OUT1 |
| OUT2 | 6 | 6 | O | Power-switch output, IN-OUT2 |
| PowerPAD? | — | — | — | Internally connected to GND; used to heat-sink the part to the circuit board traces. Must be connected to GND pin. |
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | TPS2043B | TPS2053B | ||
| SOIC | SOIC | |||
| 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 |
| GND | 1, 5 | 1, 5 | — | Ground |
| IN1 | 2 | 2 | I | Input voltage for OUT1 and OUT2 |
| IN2 | 6 | 6 | I | Input voltage for OUT3 |
| NC | 8, 9, 10 | 8, 9, 10 | — | No connection |
| OC1 | 16 | 16 | O | Overcurrent, open-drain output, active low, IN1-OUT1 |
| OC2 | 13 | 13 | O | Overcurrent, open-drain output, active low, IN1-OUT2 |
| OC3 | 12 | 12 | O | Overcurrent, open-drain 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 |
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | TPS2044B | TPS2054B | ||
| SOIC | SOIC | |||
| 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 |
| GND | 1, 5 | 1, 5 | — | Ground |
| IN1 | 2 | 2 | I | Input voltage for OUT1 and OUT2 |
| IN2 | 6 | 6 | I | Input voltage for OUT3 and OUT4 |
| OC1 | 16 | 16 | O | Overcurrent, open-drain output, active low, IN1-OUT1 |
| OC2 | 13 | 13 | O | Overcurrent, open-drain output, active low, IN1-OUT2 |
| OC3 | 12 | 12 | O | Overcurrent, open-drain output, active low, IN2-OUT3 |
| OC4 | 9 | 9 | O | Overcurrent, open-drain 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 |