SY20765QDC (SY6984QDC)

High Efficiency, 2A, Two-cell Boost Li-Ion Battery Charger with Cell Balance Control

Part number	SY20765QDC
Vin (max) (V)	5.5
Vin (min) (V)	3.6
Absolute max Vin (max) (V)
Number of series cells	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, Cell Balance Control
Operating temperature range(°C)
Package	QFN3x3-16

Low Profile QFN3×3 Package for Portable Applications
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
Programmable Charge Timeout
Programmable Constant Charge Current
Selectable Constant Voltage
±0.5% Battery Voltage Accuracy
Cell Balance Control
Thermal Regulation Protection
External Shutdown Function
Input Voltage UVLO and OVP
Over Temperature Protection
Output Short Circuit Protection
Charge Status Indication

EVB_SY20765QDC

The EVB_SY20765QDC is used to evaluate 3.6-5.5V input voltage range, 2A two-cell synchronous Boost Li-Ion battery charger SY20765QDC.

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12

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