TPS61022RWUR Description 

The TPS61022RWUR  provides a power supply solution for portable equipment and loT devices powered by various batteries and supercapacitors. TheTPS61022RWUR  has a minimum 6.5-A valley switch current limit over a full temperature range. With a wide input voltage range of 0.5 V to 5.5 V, the TPS61022RWUR   supports supercapacitor backup power applications, which may deeply discharge the supercapacitor.

TPS61022RWUR Features

• Input voltage range: 0.5 V to 5.5 V

• 1.8-V minimum input voltage for start-up

• Output voltage setting range: 2.2 V to 5.5 V

• Two 12-mΩ (LS) / 18-mΩ (HS) MOSFETs

• 8-A valley switching current limit

• 94.7% efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 3 A

• 1-MHz switching frequency when VIN > 1.5 V and 0.6-MHz switching frequency when VIN < 1 V

• ±2.5% reference voltage accuracy over –40°C to +125°C

• Pin-selectable auto PFM operation mode or forced PWM operation mode at light load

• Pass-through mode when VIN > VOUT

• True disconnection between input and output during shutdown

• Output overvoltage and thermal shutdown protection

• Output short-circuit protection

•  2-mm × 2-mm VQFN 7-pin package

TPS61022RWUR Applications

• USB port

• Supercap backup

• GPRS power supply