NXE1500: 4 DC/DC, 7 LDO for low-power smart devices
Overview
NXE1500 is the power management IC for GPS-PND/MID and Smart devices.
It integrates four high-efficiency step-down DCDC converters, seven low dropout regulators, power control logic, I2C Bus interface, voltage detection, thermal shut-down and etc.
NXE1500 Block diagram
Features
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
High Efficiency Step-down DC/DC Converters
• 4 channels DC/DC Converter
• DCDC1/2 Max 4000mA
• DCDC3/4 Max 2000mA
Low Drop Voltage Regulators
• 7 channels LDO
• LDO1-3, Max 300mA
• LDO4-5, Max 200mA
• LDORTC1, Max 30mA
• LDORTC2, Max 10mA
• Over current protection and Short circuit protection
Peripherals
• 4ch GPIOs
• Interrupt Controller]
Package : QFN0606-48(0.4mm pitch)