Datasheet > TPS658621A_1

TPS658621A_1

更新时间： 2024-09-16 11:56:43

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Advanced Power Management Unit

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TPS658621A_1 数据手册

TPS658621A

www.ti.com

SLVSA58–DECEMBER 2009

Advanced Power Management Unit

Check for Samples: TPS658621A

1 INTRODUCTION

1.1 MAIN FEATURES

•

Max 18V Over-Voltage Protection

• BATTERY CHARGER

– Power Good Monitoring on all Supply

Outputs

– Software Reset Function

– Complete Charge Management Solution for a

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

Power Management and Thermal Foldback.

– Maximum 1.0A charge current

– Programmable Adapter and USB Charge

Operation

– Hardware On/Off and Reboot Control

– 11 Channel ADC With 3 Operating Modes

•

Single Conversion

Peak Detection

Averaging

• INTEGRATED POWER SUPPLIES

– 3 Programmable Step-Down converters

•

Software Controlled Enable/Forced PWM

Mode

1.2 APPLICATIONS

•

Automatic Power Saving Mode

Maximum 1.2A Outputs

•

Smart Phones

Portable Navigation Devices

Portable Media Players

– 11 Programmable General Purpose LDOs

•

7 With Output Voltages of 1.25V to 3.3V

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

1.25V to 3.3V

1 With Output Voltage of 1.70V–2.475V

• DISPLAY SUPPORT FUNCTIONS

– 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

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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...107

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