Packaging information
| Package | Pins VSON (DRC) | 10 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the TPS2559
- Operating range: 2.5 V to 6.5 V
- Adjustable 1.2-A to 4.7-A I(LIMIT) (±4.4% at 4.7 A)
- Short-circuit shutoff (typical): 3.5 µs
- High-side MOSFET: 13 mΩ
- Maximum standby supply current: 2 µA
- Built-in soft-start
- System-level ESD capable: 8 kV / 15 kV
- UL 2367 recognition pending
Description for the TPS2559
The TPS2559 power-distribution switch is intended for applications where a low resistance, precision current limit switch is required or heavy capacitive loads are encountered. The TPS2559 provides up to 5.5 A of continuous load current with a precise current limit set by a single resistor to ground. Output current is maintained at a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. During overload events the output current is limited to the level set by R(ILIM). If a persistent overload occurs, the device goes into thermal shutoff to prevent damage to the TPS2559.
The power-switch rise and fall times are controlled to minimize current surges during turn on or off. The FAULT logic output asserts low during overcurrent or overtemperature conditions.