TPS65950
From IGEP - ISEE Wiki
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.
