I2C Controlled 2A, 2-Cell Battery Charger with Boost Mode for USB Input
SGM41528 SGM41528.pdf

No.11021

FEATURES

● High Efficiency 2A, 1.5MHz Switch-Mode Boost Charger

● USB On-The-Go (OTG) Support (Buck Mode) with Adjustable 

   Output from 4.5V to 5.5V

● Single Input for USB Input Adapters

● Input Current Optimizer (ICO) to Maximize Input Power 

   without Overloading Adapters

● High Battery Discharge Efficiency with 13mΩ Switch

● Integrated ADC for System Monitoring (BUS Voltage and 

   Current, BAT Voltage, Charge Current, SYS Voltage, and 

   NTC and Die Temperature)

● Narrow Voltage DC (NVDC) Power Path Management

● Flexible Autonomous and I2C Operation Modes for Optimal 

   System Performance

● Fully Integrated All MOSFETs, Current Sense and Loop 

   Compensation

DESCRIPTION

The SGM41528 is a battery charger and system power path management device with integrated converter and power switches for use with 2-cell Li-Ion or Li-polymer batteries. I2C programming makes it a very flexible powering and charger design solution.

APPLICATION CIRCUIT
PIN CONFIGUTION
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