SY20761BQDC (SY6981BQDC)

High Efficiency, 2A Two-cell Boost Li-Ion Battery Charger

Part number	SY20761BQDC
Vin (max) (V)	16
Vin (min) (V)	3.6
Absolute max Vin (max) (V)
Number of series cells	1,2
Charge voltage (max) (V)
Charge voltage (min) (V)
Charge current (max) (A)	2
Charge current (min) (A)
Integrated FETs(Yes/No)
Topology
Control interface
Features	Prog. Charge Current&Timer
Operating temperature range(°C)
Package	QFN3x3-16

Low Profile QFN3×3 Package
Integrated Synchronous Boost with 18V Rating Low R_DSON FETs for High Charge Efficiency
Trickle Current / Constant Current / Constant Voltage Charge Mode
Programmable Input Voltage Threshold for Adaptive Current Limit.
Maximum 2A Constant Charge Current
Charge Current Information Indication.
Programmable Charge Timeout
Programmable Constant Charge Current
Selectable Constant Voltage
±0.5% Battery Voltage Accuracy
Thermal Foldback Protection
External Shutdown Function
Input Voltage UVLO and OVP
Over Temperature Protection
Output Short Circuit Protection
Charge Status Indication
Normal Synchronous Boost Operation When Battery is Removed

EVB_SY20761BQDC

The EVB_SY20761BQDC is used to evaluate high efficiency, 2A 2-cell Boost Li-Ion battery charger SY20761BQDC.

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12

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