描述 Description

General Description
The MT6305 is a power management system chip optimized for G SM handsets, especially those based on the MediaTek MT62xx system solution. It contains seven LDOs, one to power each of the critical GSM sub-blocks. Sophisticated controls are available for power-up during battery charging, keypad interface, and RTC alarm. The MT6305 is optimized for maximum battery life, featuring a ground current of only 108μA and 187μA when the phone is in standby and operation respectively.

特性 Features

■ Handles all GSM Baseband Power Management
■ 2.8V to 5.5V Input Range
■ Charger Input up to 15V, automatically terminate charging above 9V
■ Seven LDOs Optimized for Specific GSM Sub systems
■ High Operation Efficiency and Low Stand-by Current
■ Li-Ion and NiMH Battery Charge function
■ SIM Card Interface
■ Three Open-Drain Output Switches to Control the LED, Alerter and Vibrator
■ Thermal Overload Protection
■ Under Voltage Lock-out Protection
■ Over Voltage Protection
■ Power-on Reset and Start-up Timer
■ 48-Pin QFN PackageApplications
■ GSM/GPRS Mobile Handsets
■ Basic Phone and High-end Phone?