TPS22960 5.5-V, 0.5-A, 435mΩ, 2-channel load switch with quick output discharge |

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5.5-V, 0.5-A, 435mΩ, 2-channel load switch with quick output discharge



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.


  • Integrated Dual-Load Switch
  • Input Voltage Range: 1.62 V to 5.5 V
  • Low ON-State Resistance
    • rON = 342 mΩ at VIN = 5.5 V
    • rON = 435 mΩ at VIN = 3.3 V
    • rON = 523 mΩ at VIN = 2.5 V
    • rON = 737 mΩ at VIN = 1.8 V
  • 500-mA Maximum Continuous Switch Current
  • Low Quiescent Current and Shutdown Current
  • Controlled Switch Output Rise Time:
    75 µs or 660 µs
  • Integrated Quick Output Discharge Transistor
  • ESD Performance Tested Per JESD 22
    • 2000-V Human Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • 8-Pin SOT (DCN) Package: 3 mm × 3 mm
  • 8-Pin UQFN (RSE) Package: 1.5 mm × 1.5 mm


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Part number Order Number of channels (#) Vin (Min) (V) Vin (Max) (V) Imax (A) Ron (Typ) (mOhm) Shutdown current (ISD) (Typ) (uA) Quiescent current (Iq) (Typ) (uA) Soft start Rise time (Typ) (us) Features Operating temperature range (C)
TPS22960 Order now 2     1.62     5.5     0.5     435     0.25     0.35     Adjustable Rise Time     75     Quick Output Discharge     -40 to 85