TPS658621D

www.ti.com

SLVSAJ3 – AUGUST 2010

Advanced Power Management Unit

Check for Samples: TPS658621D

1

INTRODUCTION

1.1

MAIN FEATURES

12

– Power Good Monitoring on all Supply

• INTEGRATED POWER SUPPLIES

Outputs

– 3 Programmable Step-Down converters

– Software Reset Function

•

Software Controlled Enable/Forced PWM

– Hardware On/Off and Reboot Control

Mode

– Momentary Power Loss (MPL) support

•

Automatic Power Saving Mode

– AUTOBOOT support

•

Maximum 1.5 A Outputs (SM0 and SM2)

– 11 Channel ADC With 3 Operating Modes

•

Maximum 2.0 A Output (SM1)

•

Single Conversion

– 11 Programmable General Purpose LDOs

•

Peak Detection

•

7 With Output Voltages of 1.25V to 3.3V

•

Averaging

•

2 With Output Voltages of 0.725V to 1.5V

or 1.25V to 2.586V (factory configurable)

•

1 “Always On” With Output Voltages of

1.2

APPLICATIONS

1.25V to 3.3V

•

Netbooks

•

1 With Output Voltage of 1.70V–2.475V

•

Portable Navigation Devices

• DISPLAY SUPPORT FUNCTIONS

•

Portable Media Players

– 4 PWM Outputs With Programmable

Frequency and Duty Cycle

– Dual RGB LED Drivers

– Constant Current WLED Driver

•

26.5V (max) at 25mA

•

Over-Voltage Protection

•

Programmable Current Level and

Brightness Control

• HOST INTERFACE

– Interrupt Controller With Maskable Interrupts

– External ADC Triggering and Step-Down

Converter Mode Control

• SYSTEM MANAGEMENT

– Dual Input Power Path

•

USB Current Limiting

•

Max 18V Over-Voltage Protection

1.3

DESCRIPTION

The TPS658621D 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

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

handling of fault conditions.

1

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.

2

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.