Home Products Battery Management ICs Switching Charger

SY20717FAC (SY6927FAC)

Not recommended for new designs
1.2A Single Cell High Efficiency Switching Charger
Datasheet
SY20717FAC 1.2A Single Cell High Efficiency Switching Charger Datasheet
Part number SY20717FAC
Vin (max) (V) 16
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) 1.5
Charge current (min) (A)
Integrated FETs(Yes/No)
Topology
Control interface
Features
Operating temperature range(°C)
Package SO8
  • Wide Input Voltage Range: 4.0V to 16V
  • High Efficiency Synchronous Buck Regulator with Fixed 800kHz Switching Frequency
  • Trickle Current/Constant Voltage Charge Mode
  • Adaptive Input Current Limit
  • Programmable Charging Timeout
  • Programmable (1.2A 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 Battery is Removed
  • Compact Package SO8

The SY20717 is a 4.0-16V input, 1.2A single-cell synchronous Buck Li-Ion battery charger, suitable for portable application. The 800 kHz synchronous Buck regulator integrates 16V rating FETs with ultralow on-resistance to achieve high efficiency and simple circuit design.

Evaluation Board

  • 20717-

    Photo of evaluation board

  • 20717

    Photo of evaluation board

EVB_SY20717FAC

The EVB_SY20717FAC is used to evaluate 4.0-16V input, 1.2A single-cell synchronous Buck Li-Ion battery charger SY20717FAC.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
SO8 2022-05-20

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