RN5T618

POWER MANAGEMENT SYSTEM DEVICE

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.

Data Sheet Layout Guide Package Info.
RN5T618
Rev.3.0 (Jul.25, 2013)
RN5T618
Rev.1.1 (Jul.26, 2013)
QFN0606-48-P22
  • System
  • 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.
  • ADC
  • 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
  • 4ch-GPIO
  • 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)
  • Package
  • QFN0606-48(0.4mm pitch)
  • Process
  • CMOS
  • Tablet and Portable device

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