TPS650231RSBT Datasheet PDF - TI

●Description

●The TPS650231 device is an integrated power management IC for applications powered by one Li-Ion or Li-Polymer cell, and which requires multiple power rails. The TPS650231 provides three highly efficient step-down converters targeted at providing the core voltage, peripheral, I/O, and memory rails in a processor-based system. The core converter allows for on-the-fly voltage changes through serial interface, allowing the system to implement dynamic power savings.

●Features

●• 1.7-A, 90% Efficient Step-Down Converter for Processor Core (VDCDC1)

●• 1.2-A, Up to 95% Efficient Step-Down Converter for System Voltage (VDCDC2)

●• 0.8-A, 92% Efficient Step-Down Converter for Memory Voltage (VDCDC3)

●• 30-mA LDO and Switch for Real-Time Clock (VRTC)

●• 2 × 200-mA General-Purpose LDO

●• Dynamic Voltage Management for Processor Core

●• Preselectable LDO Voltage Using Two Digital Input Pins

●• Externally Adjustable Reset Delay Time

●• Battery Backup Functionality

●• Separate Enable Pins for Inductive Converters

●• I2C™-Compatible Serial Interface

●• 85-μA Quiescent Current

●• Low-Ripple PFM Mode

●• Thermal Shutdown Protection

●• Available in 40-Pin, 5-mm × 5-mm VQFN (RSB) or 49-Ball, 3-mm × 3-mm DSBGA (YFF) Package

●Applications

●• Smart Phones

●• Netbooks and MIDs

●• Portable Media Players