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Normaler Preis $7.03
Normaler Preis $1.76 Verkaufspreis $7.03
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1 $7.03 $7.03
15+ $1.62 $24.30
25+ $1.58 $39.50
50+ $1.50 $75.00
100+ $1.32 $132.00
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Product attributes Property Value
Manufacturer Silergy Technology
Product Series -
Packaging Strip |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1 ~ 2
Current - Charging Constant - Programmable
Programmable Features Current, Voltage
Fault Protection Over Current, Over Temperature, Over Voltage, Short Circuit
Charge Current - Max 3.5A
Battery Pack Voltage 4.2V, 4.35V
Voltage - Supply (Max) 14V
Interface -
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 16-VFQFN
Supplier Device Package 16-QFN (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The SY20764QDC is a high-current battery charger for 1-2 cell Lithium Ion/Polymer batteries. It delivers up to 3.5A charge current and supports 4.2V or 4.35V battery voltages. Comprehensive protection includes over-current, over-temperature, over-voltage, and short-circuit safeguards. The 16-VFQFN package is designed for space-efficient, high-performance charging applications.

  • High-speed charging: Up to 3.5A current for rapid battery charging.
  • Dual voltage support: Compatible with 4.2V and 4.35V Li-Ion cells.
  • Full protection suite: Guards against over-current, over-temperature, over-voltage, and short circuits.
  • Wide temperature operation: Functions from -40°C to 125°C for demanding conditions.

High-Capacity Smartphones

Charge single or dual-cell Li-Ion packs at up to 3.5A for fast charging in flagship phones.

Tablets and Laptops

Support 2-cell battery configurations in tablets and ultrabooks with high current and comprehensive protection.

Portable Power Tools

Deliver rapid charging for 2-cell packs in compact power tools with over-current and short-circuit protection.

Drones and RC Hobby

Charge 1-2 cell Li-Po batteries in drones with high current capability and over-voltage protection.

Fast-Charging Accessories

Implement in power banks or charging docks that require high current and multiple voltage options.

Q: What battery chemistry does the SY20764QDC support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports 1 to 2 cells.
Q: What is the maximum charge current?
A: The maximum charge current is 3.5A.
Q: What battery voltages are supported?
A: It supports 4.2V and 4.35V battery voltages.
Q: What fault protection is included?
A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
Q: What is the package type?
A: It comes in a 16-VFQFN package.
Base Product Number : SY20764
1-2 Cells 16-VFQFN 3.5A 4.2V 4.35V Battery Charger High-Current Charger Lithium Ion/Polymer
Q: What battery chemistry does the SY20764QDC support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports 1 to 2 cells.
Q: What is the maximum charge current?
A: The maximum charge current is 3.5A.
Q: What battery voltages are supported?
A: It supports 4.2V and 4.35V battery voltages.
Q: What fault protection is included?
A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
Q: What is the package type?
A: It comes in a 16-VFQFN package.