TPS658620 Datasheet, PDF (1/104 Pages) Texas Instruments – Advanced Power Management Unit

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1 Introduction
TPS658620
Advanced Power Management Unit
SLVS993 – OCTOBER 2009
1.1 Main Features
• BATTERY CHARGER
– 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
• INTEGRATED POWER SUPPLIES
– 3 Programmable Step-Down converters
• Software Controlled Enable/Forced PWM
Mode
• Automatic Power Saving Mode
• Maximum 1.2A Outputs
– 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
• Max 18V Over-Voltage Protection
– Power Good Monitoring on all Supply
Outputs
– Software Reset Function
– Hardware On/Off and Reboot Control
– 11 Channel ADC With 3 Operating Modes
• Single Conversion
• Peak Detection
• Averaging
1.2 Applications
• Smart Phones
• Portable Navigation Devices
• Portable Media Players
1.2.1 Overview
The TPS658620 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 small 6x6
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 document.
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.
Copyright © 2009, Texas Instruments Incorporated