Skip to main content Skip to first level navigation
Skip to main content First level navigation Menu
Contact Us About Us
Main content


This IC is the power management IC for GPS-PND/MID.
It integrates three high-efficiency step-down DCDC converters, seven low dropout regulators, power control logic, Li-ion Battery Charger, I2C-Bus Interface, voltage detections, thermal shut-down, and etc.


Layout Guide




  • I2C-Bus interface @3.4MHz and 400kHz
  • Detector Function (System/IO/Battery-Voltage-detector, UVLO)
  • Thermal Shutdown Function
  • Watchdog timer
  • Power on key input for System's power up
  • Power on reset output for CPU
  • Flexible power-on/off sequence by OTP
  • Flexible DCDCx and LDOx default-on/off control by OTP

High Efficiency Step-down DC/DC Converters

  • DC/DC1 0.6-3.5V Max 3000mA
  • DC/DC2 0.6-3.5V Max 2000mA
  • DC/DC3 0.6-3.5V Max 2000mA
  • Soft-start circuit

Low Drop Voltage Regulators

  • LDO1 0.9-3.5V Max 300mA
  • LDO2 0.9-3.5V Max 300mA
  • LDO3 0.6-3.5V Max 300mA
  • LDO4 0.9-3.5V Max 200mA
  • LDO5 0.9-3.5V Max 200mA
  • LDORTC1 1.7-3.5V Max 10mA (AlwaysOn, For coin battery)
  • LDORTC2 0.9-3.5V Max 10mA (AlwaysOn)
  • Over current Protection and Short circuit Protection.

Li-ion Battery Charger

  • Supports AC adapter charging and USB charging in an individual port
  • With the current limit protection and charge current control.
  • The system can power on even when Li-ion Battery is low voltage or open.
  • Rapid timer and Trickle timer.
  • Power-path control.
  • Over temperature protection

Fuel Gauge

  • 12-bit resolution.
  • 1 second integration.


  • 12-bit resolution A/D converter
  • Eight channels: LIMMON, VADP, VUSB, VBAT, VSYS, THERMBAT and two external(GPIO) pins.
  • Single/Auto conversion mode
  • Detect high/low thresholds which can be set


  • Supports interrupt function (level/edge) for input signals
  • Outputs power-on signal for external devices
  • Power on/off input for System's power up/down
  • DCDCx and LDOx can be controlled by external input
  • GPIO2 can output LDORTC2
  • GPIO0 and GPIO1 have input to ADC for voltage monitor
  • GPIO0 and GPIO1 have maximum 15mA sink for LED.

Interrupt Controller (INTC)


  • QFN0606-48(0.4mm pitch)


  • CMOS


  • Portable Device (Tablet, Smart Phone, MID, GPS-PND etc.)
  • Information Appliance (STB, HDMI-Dongle etc.)


Purchase, Request for Samples and Documents


Available from 1 piece!

Buy Online

Contact Us by Mail

Contact Us by Mail

Contact Form (SSL Form)

Contact Us by Phone

Contact Us by Phone

Contact Phone Number