TPS61089RNRR Description

The TPS61089RNRR is a fully-integrated synchronous boost converter with a19-mΩ main power switch and a 27-mΩ rectifier switch. For portable equipment, the TPS61089RNRR converter provides a high-efficiency, small-size power option. The TPS61089RNRR IC supports applications powered by single-cell or two-cell Lithium ion/polymer batteries and has a wide input voltage range of 2.7 V to 12 V. The TPS61089RNRR has a continuous switch current of 7 amps and a voltage output of 12.6 volts.


TPS61089RNRR Features

Input voltage range: 2.7 V to 12 V
Output voltage range: 4.5 V to 12.6 V
Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 2 A
Resistor-programmable peak current limit up to 10 A for high pulse current
Adjustable switching frequency: 200 kHz to 2.2 MHz
4-ms built-in soft start time
PFM operation mode at light load (TPS61089)
Forced PWM operation mode at light load (TPS610891)
Internal output overvoltage protection at 13.2 V
Cycle-by-cycle overcurrent protection
Thermal shutdown
2.00-mm × 2.50-mm VQFN HotRod? package
Create a custom design using the TPS61089x with the WEBENCH Power Designer


TPS61089RNRR Applications

? Bluetooth? speaker
? Quick charge power bank
? Portable POS terminal