SY20752B1FCC (SY6952B1FCC)

2A Single-Cell High Efficiency Switching Charger with Adaptive Input Current Limit

SY20752B1FCC 2A Single-Cell High Efficiency Switching Charger with Adaptive Input Current Limit Datasheet

Parameters
Features
Description

Part number	SY20752B1FCC
Vin (max) (V)	23
Vin (min) (V)	4
Absolute max Vin (max) (V)
Number of series cells	1
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
Operating temperature range(°C)
Package	SO8E

Wide Input Voltage Range: 4.0V to 23V
High Efficiency Synchronous Buck Regulator with Fixed 800kHz Switching Frequency
Trickle Current / Constant Current / Constant Voltage Charge Mode
Adaptive Input Current Limit
Programmable Charging Timeout
4.4V and 4.1V Selectable Cell Voltage
Programmable (2A Max) Constant Charge Current
Input Voltage UVLO and Battery OVP
Over Temperature Protection
Output Short Circuit Protection
Charge Status Indication
Normal Synchronous Buck Operation When the Battery is Removed
Compact Package SO8E

SY20752B1 is a 4.0-23V input, 2A single-cell synchronous Buck Li-ion battery charger, suitable for portable applications. VSET pin is convenient for different cell voltage. The integrated 800 kHz synchronous Buck regulator consists of 25V rating FETs with extremely low on resistance to achieve high charge efficiency and simple peripheral circuit design.

Evaluation Board

Photo of evaluation board
Photo of evaluation board
Photo of evaluation board

EVB_SY20752B1FCC

EVB File

The EVB_SY20752B1FCC is used to evaluate 4.0-23V input, 2A single-cell synchronous Buck Li-ion battery charger SY20752B1FCC.

Technical Documentation

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12
SO8E	2022-05-20

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