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TPS658622B
www.ti.com
SLVSAJ8–SEPTEMBER 2010
Advanced Power Management Unit
Check for Samples: TPS658622B
1 Introduction
1.1 Main Features
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• BATTERY CHARGER • SYSTEM MANAGEMENT
– Complete Charge Management Solution for a – Dual-Input Power Path
Single-Cell Li-Ion/Li-Pol Cell With Dynamic
• USB Current Limiting
Power Management and Thermal Foldback
• Max. 18-V Overvoltage Protection
– Maximum 1-A Charge Current
– Power-Good Monitoring on All Supply
– Programmable Adapter and USB Charge
Outputs
Operation
– Software Reset Function
• INTEGRATED POWER SUPPLIES
– Hardware On/Off and Reboot Control
– 3 Programmable Step-Down Converters
– Momentary Power Loss (MPL) Handling
• Software-Controlled Enable/Forced PWM
– AUTOBOOT Feature
Mode
– 11-Channel ADC With 3 Operating Modes
• Automatic Power-Saving Mode
• Single Conversion
• Maximum 1.5-A Outputs (SM0, SM2)
• Peak Detection
• Maximum 2-A Output (SM1)
• Averaging
– 11 Programmable General-Purpose LDOs
• 7 With Output Voltages of 1.25 V to 3.3 V
1.2 Applications
• 2 With Output Voltages of 0.725 V to 1.5 V
• Smart Phones
or 1.25 V to 2.586 V (Factory
Configurable)
• Portable Navigation Devices
• 1 Always On With Output Voltages of
• Portable Media Players
1.25 V to 3.3 V
• 1 With Output Voltage of 1.7 V to 2.475 V
• DISPLAY SUPPORT FUNCTIONS
– 4 PWM Outputs With Programmable
Frequency and Duty Cycle
– Dual RGB LED Drivers
– Constant-Current WLED Driver
• 26.5 V (Max.) at 25 mA
• Overvoltage Protection
• Programmable Current-Level and
Brightness Control
• HOST INTERFACE
– Interrupt Controller With Maskable Interrupts
– External ADC Triggering and Step-Down
Converter Mode Control
1.3 Overview
The TPS658622B 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 6-mm × 6-mm package. The I
2
C 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.
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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.
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.
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