TPS658622A

www.ti.com

SLVSAJ7 – SEPTEMBER 2010

Advanced Power Management Unit

Check for Samples: TPS658622A

1

Introduction

1.1

Main Features

1

Converter Mode Control

• BATTERY CHARGER

• SYSTEM MANAGEMENT

– Complete Charge Management Solution for a

Single-Cell Li-Ion/Li-Pol Cell With Dynamic

– Dual-Input Power Path

Power Management and Thermal Foldback

•

USB Current Limiting

– Maximum 1-A Charge Current

•

Max. 18-V Overvoltage Protection

– Programmable Adapter and USB Charge

– Power-Good Monitoring on All Supply

Operation

Outputs

• INTEGRATED POWER SUPPLIES

– Software Reset Function

– 3 Programmable Step-Down Converters

– Hardware On/Off and Reboot Control

•

Software-Controlled Enable/Forced PWM

– 11-Channel ADC With 3 Operating Modes

Mode

•

Single Conversion

•

Automatic Power-Saving Mode

•

Peak Detection

•

Maximum 1.5-A Outputs (SM0, SM2)

•

Averaging

•

Maximum 2-A Output (SM1)

– 11 Programmable General-Purpose LDOs

1.2

Applications

•

7 With Output Voltages of 1.25 V to 3.3 V

•

Smart Phones

•

2 With Output Voltages of 0.725 V to 1.5 V

•

Portable Navigation Devices

or 1.25 V to 2.586 V (Factory

Configurable)

•

Portable Media Players

•

1 Always On With Output Voltages of

1.25 V to 3.3 V

•

1 With Output Voltage of 1.7 V to 2.475 V

• DISPLAY SUPPORT FUNCTIONS

– 4 PWM Outputs With Programmable

Frequency and Duty Cycle

– Dual RGB LED Drivers

– Constant-Current WLED Driver

•

26.5 V (Max.) at 25 mA

•

Overvoltage Protection

•

Programmable Current-Level and

Brightness Control

• HOST INTERFACE

– Interrupt Controller With Maskable Interrupts

– External ADC Triggering and Step-Down

1.3

Overview

The TPS658622A provides an easy-to-use, fully integrated solution for handheld devices, integrating

charge management, multiple regulated power supplies, system management, and display functions in a

Internal registers have a complete set of status information, enabling easy diagnostics and host-controlled

handling of fault conditions.

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.