SY20779CQFQ (SY6969CQFQ)

Multi-Cell Synchronous Buck-Boost Battery Charger Controller with NVDC Power Path Management

Part number	SY20779CQFQ
Vin (max) (V)	25
Vin (min) (V)	3.5
Absolute max Vin (max) (V)	30
Number of series cells	1,2,3,4
Charge voltage (max) (V)	19.2
Charge voltage (min) (V)	1.024
Charge current (max) (A)	8.128
Charge current (min) (A)	0.064
Integrated FETs(Yes/No)	Yes
Topology	BuckBoost
Control interface	SMBUS
Features	Multi-Cell synchronous Buck-Boost battery charger controller with NVDC power path management
Operating temperature range(°C)	-40 to 100
Package	QFN4×4-32

-- Battery Charge Voltage (1.024V - 19.2V)

-- Minimum System Voltage (1.024V - 16.128V)

-- OTG Output Voltage (3V - 20.8V)

-- Battery Charge Current (64mA - 8.128A)

-- Input Voltage Limit for DPM (3.2V - 19.52V)

-- Input Current Limit for DPM (50mA - 6.4A)

-- OTG Output Current Limit (50mA - 6.35A)

-- Battery Supplements System when Adapter is Fully-Loaded

-- Battery MOSFET (BATFET) Ideal Diode Operation in Supplement Mode

Pass Through Mode (PTM) for System Power Efficiency Improvement
When System is Powered by Battery Only, Vmin Active Protection (VAP) Mode Supplements System from Input Capacitors during System Peak Power Spike
Support Battery LEARN Function
Adaptive Input Current Limit (AICL) to Extract Max Input Power
Host Control Interface for Flexible System Configuration
Integrated ADC to Monitor Voltage, Current and Power
Thermal Shutdown Protection
Input, System, Battery Overvoltage Protection
Input, MOSFET, Inductor Overcurrent Protection
Compact Package: QFN4x4-32