Home Products Battery Management ICs Switching Charger

SY20752AQIC (SY6952AQIC)

Not recommended for new designs
2A Single-Cell High Efficiency Switching Charger with Adaptive Input Current Limit
Datasheet
SY20752AQIC 2A Single-Cell High Efficiency Switching Charger with Adaptive Input Current Limit Datasheet
Part number SY20752AQIC
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 Power Path Management
Operating temperature range(°C)
Package QFN4x4-16
  • Wide Input Voltage Range: 4.0V to 23V
  • High Efficiency Int. Synchronous Buck Regulator with Fixed 800kHz Switching Frequency
  • Trickle Current / Constant Current / Constant Voltage Charge Mode
  • Adaptive input current limit
  • Programmable Charging Timeout
  • 4.35 and 4.2V selectable cell voltage
  • Programmable (2A MAX) Constant Charge Current
  • External Shutdown Function
  • Input Voltage UVLO and Battery OVP
  • Over Temperature Protection
  • Output Short Circuit Protection
  • Charge Status Indication
  • Normal Synchronous Buck Operation when Battery Removed
  • Compact package QFN4×4-16

SY20752A is a 4.0-23V input, 2A single-cell synchronous buck Li-Ion battery charger. The compact package QFN4×4-16 is widely suitable for portable application. Select pin is convenient for different cell voltage. It allows the output power path management and input reverse blocking. Integrated 800 kHz synchronous Buck regulator consists of 23V rating FETs with extremely low ON resistance to achieve high charge efficiency and simple peripheral circuit design.

Evaluation Board

  • 20752A

    Photo of evaluation board

  • 20752A-

    Photo of evaluation board

  • 20752A--

    Photo of evaluation board

EVB_SY20752AQIC

The EVB_SY20752AQIC is used to evaluate 4.0-23V input, 2A single-cell synchronous buck Li-Ion battery charger SY20752AQIC.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
QFN4x4-16 2022-05-20

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