The TPS658622A 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 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.

• BATTERY CHARGER
  • Complete Charge Management Solution for a Single-Cell Li-Ion/Li-Pol Cell With Dynamic Power Management and Thermal Foldback
  • Maximum 1-A 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 1.5-A Outputs (SM0, SM2)
    • Maximum 2-A Output (SM1)
  • 11 Programmable General-Purpose LDOs
    • 7 With Output Voltages of 1.25 V to 3.3 V
    • 2 With Output Voltages of 0.725 V to 1.5 V or 1.25 V to 2.586 V (Factory Configurable)
    • 1 Always On With Output Voltages of 1.25V 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
  • SYSTEM MANAGEMENT
    • Dual-Input Power Path
      • USB Current Limiting
      • Max. 18-V Overvoltage 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
  • APPLICATIONS
    • Smart Phones
    • Portable Navigation Devices
    • Portable Media Players

2MicroStar BGA is a trademark of Texas Instruments.