Analog Baseband - LG KE590 Service Manual

3. Circuit Description

3.4 Analog Baseband

3.4.1 General Description
The TRITON chip is the analog and power management part of the Texas Instruments next
generation wireless terminal. These GSM/GPRS/E-GPRS, 3G W-CDMA, CDMA2000 platforms are
composed of a digital baseband processor, a RF chip, an application processor OMAP and of
different peripheral devices like a LCD panel, a Multi-Media Card, a Bluetooth modem, a GPS
modem. The purpose of the Triton device is to provide to platforms the following resources:
- A power management system
- Power supply resources
- A voice and audio interface
- A battery charger
- A monitoring system
- A real time clock resource
- A USB 2.0 OTG transceiver with a carkit
interface
LGE Internal Use Only
- Three White-LEDs drivers
- A vibrator driver
- A SIM-Card detection
- A thermal shutdown
- An I2C interface
- A JTAG and boundary scan
<Fig.11> TWL3029 Architecture
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