TPS658643

www.ti.com

SLVSB68

– NOVEMBER 2011

Advanced Power Management Unit

Check for Samples: TPS658643

1

INTRODUCTION

1.1

MAIN FEATURES

12

– Real Time Counter

• INTEGRATED POWER SUPPLIES

– 11 Channel ADC With 3 Operating Modes

– 3 Programmable Step-Down converters

•

Single Conversion

•

Software Controlled Enable/Forced PWM

Mode

•

Peak Detection

•

Automatic Power Saving Mode

•

Averaging

•

Maximum 1.5A Outputs (SM0 and SM2)

•

Maximum 2.A Output (SM1)

1.2

APPLICATIONS

– 11 Programmable General Purpose LDOs

•

Tablet PCs

•

7 With Output Voltages of 1.25V to 3.3V

•

Netbooks

•

2 With Output Voltages of 0.725V to 1.5V

•

SmartPhones

or 1.25V to 2.586V (factory

•

Portable Navigation Devices

programmable)

•

1

“ Always On” With Output Voltages of

•

Portable Media Players

1.25V to 3.3V

•

1 With Output Voltage of 1.7V

–2.475V

• DISPLAY SUPPORT FUNCTIONS

– 3 PWM Outputs With Programmable

Frequency and Duty Cycle

– Dual RGB LED Drivers

• HOST INTERFACE

– I2C Bus

– Interrupt Controller With Maskable Interrupts

– GPIO Control (4)

• SYSTEM MANAGEMENT

– Power Good Monitoring on all Supply

Outputs

– Software Reset Function

– Hardware On/Off and Reboot Control

1.3

DESCRIPTION

The TPS658643 provides an easy to use, fully integrated solution for handheld devices, integrating

interface enables control of a wide range of subsystem parameters. Internal 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

MicroStar BGA is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date. Products conform to

Copyright

© 2011, Texas Instruments Incorporated

specifications per the terms of the Texas Instruments standard warranty. Production

processing does not necessarily include testing of all parameters.