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SY20751TYC (SY6928TYC)

Not recommended for new designs
High Integrated Bi-Direction Power Regulator For Single-Cell Battery Power Bank Application
Datasheet
SY20751TYC High Integrated Bi-Direction Power Regulator For Single-Cell Battery Power Bank Application Datasheet
Part number SY20751TYC
Vin (max) (V) 5.7
Vin (min) (V) 4.5
Absolute max Vin (max) (V)
Number of series cells 1
Charge voltage (max) (V)
Charge voltage (min) (V)
Charge current (max) (A) 3
Charge current (min) (A)
Integrated FETs(Yes/No)
Topology
Control interface
Features dual output data port, adjustable battery level indication
Operating temperature range(°C)
Package QFN4x4-26
  • Maximum 18V Input Voltage Rating
  • Build in Low Rdson Power Path NFETs and Power Switches
  • Programmable Boost Switching Frequency
  • Maximum 3A Charge Current
  • Maximum 3A Boost Output Current
  • 4.2V/4.35V/4.4V Selectable Cell Voltage
  • +/-0.5% Battery Cell Voltage Tolerance
  • 4 LEDs Battery Level Indicator
  • Trickle Current / Constant Current / Constant Voltage Charge Mode
  • Adaptive Input Current Limit
  • Input Voltage UVLO and OVP
  • Output Divider Mode, DCP Mode Handshaking
  • Boost Auto Start When Portable Device Inserts
  • Boost Auto Shutdown with Light Load
  • Boost Cycle-by-cycle Peak Current Limit
  • Boost Programmable Output Current Limit Boost Output Short Circuit Protection
  • Thermal Shutdown Protection
  • Compact Package: QFN4×4-26

Evaluation Board

  • 20751-

    Photo of evaluation board

  • 20751

    Photo of evaluation board

  • 20751--

    Photo of evaluation board

  • 20751---

    Photo of evaluation board

EVB_SY20751TYC

The EVB_SY20751TYC is used to evaluate 3IN1 high integrated bi-directional power bank regulator SY20751TYC.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12

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