Datasheet > TPS658643

TPS658643

更新时间： 2024-09-16 12:47:11

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德州仪器 - TI		/
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Advanced Power Management Unit

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TPS658643 数据手册

TPS658643

www.ti.com

SLVSB68 –NOVEMBER 2011

Advanced Power Management Unit

Check for Samples: TPS658643

1 INTRODUCTION

1.1 MAIN FEATURES

– Real Time Counter

– 11 Channel ADC With 3 Operating Modes

• INTEGRATED POWER SUPPLIES

– 3 Programmable Step-Down converters

•

Single Conversion

Peak Detection

Averaging

•

Software Controlled Enable/Forced PWM

Mode

Automatic Power Saving Mode

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

or 1.25V to 2.586V (factory

programmable)

SmartPhones

Portable Navigation Devices

Portable Media Players

•

1 “ Always On” With Output Voltages of

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

multiple regulated power supplies, system management and display functions in a small package. The I²C

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.

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.

MicroStar BGA is a trademark of Texas Instruments.

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

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

processing does not necessarily include testing of all parameters.

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