TPS65950

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 OMAP Power Management and System Companion Device Silicon Revision 1.2 Version G

See also

• OMAP3530
• DM3730