TPS658621A (NRND)

Multi-channel Power Management IC (PMIC) Unit with Li-Ion Battery Charger

 

Description

The TPS658621A 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.

Features

  • BATTERY CHARGER
    • Complete Charge Management Solution for a Single Cell Li-Ion/Li-Pol Cell
      With Dynamic Power Management and Thermal Foldback.
    • Maximum 1A 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
  • APPLICATIONS
    • Smart Phones
    • Portable Navigation Devices
    • Portable Media Players

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