EM0702_datasheetSTwEM5GSM/GPRS Energy ManagementPRELIMINARY DATA■ 1 Low Dropout (LDO) regulator for digital baseband core (0.55V to 2.65V / up to 155mA) ■ 1 Low Dropout (LDO) regulator for audio (2.8V / 60mA)■ 1 Low Dropout (LDO) regulator for LCD display (2.87V / 4mA) ■ 1 regulator for digital baseband I/Os (1.88V / 40mA) ■ 1 regulator for peripheral devices (1.88V & 100mA)■ SIM card supply and level shifters (1.8V / 3V) ■ PWM charge batteries control for■ Programmable power supply alarm■ 10-bit ADC for battery monitoring ■ Accessory presence detection ■ Power-on-reset ■ SPI bus interfaceD N RA A FT L U SENiMH, Li-IonOrder Codevarious voltage levels for the complete chipset, display and SIM card. It also integrates the battery management and control circuitry. A 10-bit Analog to Digita……
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