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
