Texas Instruments Unveils TPS27081A High-side Load Switch

Texas Instruments TPS27081A high-side load switch

Texas Instruments announced their TPS27081A high-side load switch. The device integrates a power PFET and a control NFET in a tiny 6-pin package. The TPS27081A is a flexible replacement for discrete FET switches. The load switch features adjustable slew-rate control so designers can implement the device in any application that requires load switching or power sequencing. The TI TPS27081A is available in a 2.9-mm x 1.6-mm x 0.75-mm thin SOT-23 (DDC) package. The suggested retail price is $0.12 in 1000-unit quantities. It is ideal for notebooks, tablets, LCD televisions, global positioning systems (GPS) and set-top boxes.

The TI TPS27081A IC features industry-standard ESD protection on all pins to provide better ESD compatibility with other on-board components. The TPS27081A level shifts ON/OFF logic signal to VIN levels and supports as low as 1.0V CPU or MCU logic to control higher voltage power supplies without requiring an external level-shifter.

Texas Instruments TPS27081A Features

  • Low ON resistance, high current PFET
  • RDS(ON) = 32mΩ at VGS = -4.5V
  • RDS(ON) = 44mΩ at VGS = -3.0V
  • RDS(ON) = 82mΩ at VGS = -1.8V
  • RDS(ON) = 93mΩ at VGS = -1.5V
  • RDS(ON) = 155mΩ at VGS = -1.2V
  • Adjustable turn-on and turn-off slew rate control via external R1, R2, and C1
  • Supports a wide range of 1.2V up to 8V supply inputs
  • Integrated NMOS for PFET control
  • NMOS ON/OFF supports a wide range of 1.0V up to 8V control logic interface
  • Full ESD protection (all pins)
  • HBM 2kV, CDM 500V
  • Ultra low leakage current in stand-by (100nA typical)
  • Available in tiny 6-pin packages
  • 2.9mm x 1.6mm x 0.75mm Thin SOT-23 (DDC)
  • 2mm x 2mm SON-6 (DRV)

More info: Texas Instruments TPS27081A PFET High Side Load Switch (pdf)