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Texas Instruments TPS658643 Advanced Power Management IC (PMIC)

Texas Instruments TPS658643 Advanced Power Management IC (PMIC) provides an easy to use, fully integrated solution for handheld devices, integrating multiple regulated power supplies, system management, and display functions in a small package. The I2C interface enables control of a wide range of subsystem parameters. The Texas Instruments TPS658643 internal registers have a complete set of status information, enabling easy diagnostics and host-controlled handling of fault conditions.

Features

  • Integrated power supplies
    • Three programmable step-down converters
      • Software controlled enable/forced PWM mode
      • Automatic power-saving mode
      • Maximum 1.5A outputs (SM0 and SM2) maximum 2A output (SM1)
    • Eleven programmable general-purpose LDOs
      • Seven with output voltages of 1.25V to 3.3V
      • Two with output voltages of 0.725V to 1.5V or 1.25V to 2.586V (factory programmable)
      • One “Always On” with output voltages of 1.25V to 3.3V
      • One with an output voltage of 1.7V to 2.475V
  • Display support functions
    • Three PWM outputs with programmable frequency and duty cycle
    • Dual RGB LED drivers
  • Host interface
    • I2C bus
    • Interrupt controller with maskable interrupts
    • GPIO control (4)
  • System management
    • Power Good monitoring on all supply outputs
    • Software reset function
    • Hardware on/off and reboot control
    • Real-time counter
    • Eleven channel ADC with three operating modes
      • Single conversion
      • Peak detection
      • Averaging

Applications

  • Tablet PCs
  • Netbooks
  • Smartphones
  • Portable navigation devices
  • Portable media players

Functional Block Diagram

Block Diagram - Texas Instruments TPS658643 Advanced Power Management IC (PMIC)
Inilathala: 2021-01-11 | Na-update: 2022-03-11