Description
●The TPS65023x device is an integrated power management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS65023x 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. All three step-down converters enter a low-power mode at light load for maximum efficiency across the widest possible range of load currents.
●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)
●• 1.0-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
●• I2C™ Setup and Hold Timing:
● – TPS65023: 300 ns
● – TPS65023B: 100 ns
●• 85-μA Quiescent Current
●• Low Ripple PFM Mode
●• Thermal Shutdown Protection
●• 40-Pin, 5-mm × 5-mm WQFN Package
●Applications
●• Digital Media Players
●• Internet Audio Players
●• Digital Still Cameras
●• Smart Phones
●• Supply DaVinci™ DSP Family Solutions
