The TPS22960 is a small low-rON dual-channel load switch with controlled turnon. The devices contain two P-channel MOSFETs that can operate over an input voltage range of 1.62 V to 5.5 V. Each switch is independently controlled by on/off inputs (ON1 and ON2), which are capable of interfacing directly with low-voltage control signals. In TPS22960 a 85-Ω on-chip load resistor is added for quick discharge when the switch is turned off.
The rise time (slew-rate) of the device is internally controlled in order to avoid inrush current, and it can be slowed down if needed using the SR pin: at 3.3 V, TPS22960 features a 75-µs rise time with the SR pin tied to ground and 660-µs with the SR pin tied to high.
The TPS22960 is available in a space-saving 8-pin UQFN package and in an 8-pin SOT package. It is characterized for operation over the free-air temperature range of –40°C to 85°C.
| Number of channels | 2 |
| Vin (min) (V) | 1.62 |
| Vin (max) (V) | 5.5 |
| Imax (A) | 0.5 |
| Ron (typ) (mΩ) | 435 |
| Shutdown current (ISD) (typ) (µA) | 0.25 |
| Quiescent current (Iq) (typ) (µA) | 0.35 |
| Soft start | Adjustable Rise Time |
| Current limit type | None |
| Features | Quick output discharge |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| FET | Internal |
| Device type | Load switches |
| Function | Inrush current control |
| SOT-23 (DCN) | 8 | 4.64 mm² 2.9 x 1.6 |
| UQFN (RSE) | 8 | 2.25 mm² 1.5 x 1.5 |
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