SY20743BQCC (SY6974BQCC)

3A, Single Cell Li-Ion DC/DC Switching Charger with I2C Control, USB Detection and OTG JEITA Compliant, Power Path Management

Datasheet

SY20743BQCC 3A, Single Cell Li-Ion DC/DC Switching Charger with I2C Control, USB Detection and OTG JEITA Compliant, Power Path Management Datasheet

Parameters
Features
Description

Part number	SY20743BQCC
Vin (max) (V)	13.5
Vin (min) (V)	3.9
Absolute max Vin (max) (V)	18
Number of series cells	1
Charge voltage (max) (V)	4.624
Charge voltage (min) (V)	3.856
Charge current (max) (A)	3
Charge current (min) (A)	0.06
Integrated FETs(Yes/No)	Yes
Topology	Buck
Control interface	I2C
Features	3A,single cell Li-ion DC/DC switching charger with I2C control, USB detection and OTG, JEITA compliant, NVDC power path management
Operating temperature range(°C)	-40 to 125
Package	QFN4×4-24

High Efficiency 3A 1.5MHz Buck Mode Charger

– Support 3.9V-13.5V Input Voltage Range
– Programmable IDPM/VDPM to Support the USB and Adapter
– 3.856V-4.624V Adjustable Charge Voltage
– Support Narrow VDC Power Path Management
– JEITA Compliance
– ±0.5% Charge Voltage Regulation
– Charge Status Outputs for LED or Host Processor

Maximum 1.2A 1.5MHz Boost OTG Current

– 4.85V-5.3V Adjustable OTG Output Voltage
– Selectable OTG Output Current Limit
– ±1.5% Output Regulation in Boost Mode
– Soft-Start up to 500μF Capacitive Load
– Constant Current (CC) Limit

Full BATFET Control to Support Shipping Mode, Wake up, and System Reset
Safety

– Battery Temperature Sensing for Charge and Boost Mode
– Battery Charging Safety Timer
– Thermal Regulation and Thermal Shutdown
– Input/System over-Voltage Protection
– MOSFET over-Current Protection