TPS65950

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Contents

Overview

The TPS65950 device is an integrated power-management/audio codec device for use in portable cellular
telephone designs that derive their power from batteries based on Li-ion, Li-ion polymer, or manganese-cobalt chemistries.

Block Diagram


Features

· Power

  • Two efficient stepdown converters for processor cores
  • One efficient stepdown converter for input/output (I/O) power
  • SmartReflex™-compliant dynamic voltage management for the processor core
  • Three low-dropout regulators (LDOs) for phase-locked loops (PLLs) and digital-to-analog converter (DAC)
  • Seven miscellaneous linear regulator supplies for peripherals

· Audio

  • Voice codec
  • 15-bit linear codec (8 kHz/16 kHz)
  • Differential input main microphone and submicrophone (for noise cancellation)
  • Single-ended hands-free input
  • Differential 32-W speaker and 16-W headset drivers
  • 8-W stereo class-D drivers
  • Pulse-code modulation (PCM)/(inter-IC sound [I2S™]/time-division multiplexing [TDM]) interfaces
  • Bluetooth® voice interface
  • Automatic level control (ALC) function
  • Ability to mix paths in digital and analog domains
  • 16-bit linear audio stereo DAC (96 kHz, 48 kHz, 44.1 kHz, 32 kHz, and derivatives)
  • 16-bit linear audio stereo analog-to-digital (ADC) (48 kHz, 44.1 kHz, 32 kHz, and derivatives)
  • PLL for audio codec with 256*Fs or 128*Fs generation
  • Carkit (CEA-936A)

· Charger

  • Li-ion, Li-polymer, and manganese-cobalt charger
  • AC regulated charger (maximum 7 V)
  • Universal serial bus (USB) charger (CEA-936A)
  • Backup battery charger

· USB

  • USB 2.0 OTG-compliant high-speed (HS) transceivers
  • 12-bit USB transceiver macrocell interface (UTMI)+ low pin interface (ULPI)
  • USB power supplies (5 V, 3 V)
  • Carkit-compliant CEA936 and multiple channels per carrier (MCPC)


Subsystems

  • LED driver
  • Two pulse width modulation (PWM) generators, PWM0 and PWM1
  • Embedded 10-bit ADC with 3 to 8 external inputs
  • Real-time clock (RTC) module and retention modules
  • HS inter-integrated circuit I2C™ serial control
  • Thermal shutdown protection and hot-die detection
  • Keypad up to 8 x 8 matrix.

Manuals

TPS65950 Datasheet Manual.

TPS65950 Programming Manual

See also