LG KP500 - Power Management IC

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3. TECHNICAL BRIEF

3.3 Power management IC

3.3.1 General Description

SM-POWER is a highly integrated Power and Battery Management IC for mobile handsets. It has

been specially designed for usage with S-Gold3. Although optimized for usage with the Infineon S-

GOLD baseband device it is suitable for the S-GOLDlite and the E-GOLD+ baseband devices as well.

It also supports the cellular RF devices like SMARTi-DC, SMARTi-DC+, SMARTi-SD and the

Bluemoon Single, Infineon s single chip solution for Bluetooth. If used with S-GOLD3 it provides all

power supply functions (except for the RF PA) for a complete advanced GSM Edge smart phone

minimizing external device count.

Block Description

• Highly efficient step-down converter for main digital baseband supply including Core, DSP and

memory interface (External Bus Unit).

• Support of S-GOLD standby power-down concept

• Low-drop-out (LDO) regulators for Flash and mobile RAM memory devices

• Voltage independent switching of two SIM cards

• LDO regulators for baseband I/O supply

• LDO regulator for analog mixed-signal section of S-GOLD

• Low-noise LDO regulators for RF devices

• Supply for Bluemoon Single, Infineon s single chip solution for Bluetooth

• Audio amplifier 8 Ohms for handsfree operation and ringing

• Charge Control for charging Li-Ion/Polymer batteries under software control

• Pre-charge current generator with selectable current level

• RTC regulator with ultra-low quiescent current

• USB interface support for peripheral and mini-host mode

• Backlight LEDs driver with current selection and PWM dimming function

• Two single LED driver outputs for signaling

• Vibrator driver with adjustable voltage

• Fully controlable by software via I2C - Bus

• Temperature and battery voltage sensors

• Interrupt channels for peripherals

• System debug mode

• VQFN 48 package with heat sink and non-protruding leads

• Compatible with the Infineon E-GOLD+ V2 and V3

LGE Internal Use Only

Only for training and service purposes

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