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Product attributes Property Value
Manufacturer Silergy Technology
Product Series -
Packaging Strip |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant
Programmable Features Current, Timer, Voltage
Fault Protection -
Charge Current - Max 2.3A
Battery Pack Voltage 4.6V
Voltage - Supply (Max) 16V
Interface I2C
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Supplier Device Package -
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The SY20743QCC is a highly integrated single-cell Lithium Ion/Polymer battery charger from Silergy Technology. It delivers a programmable charge current up to 2.3A and supports a battery voltage of 4.6V. Featuring an I2C interface for advanced system control and monitoring, this charger is housed in a compact 24-VFQFN package with an exposed pad for thermal management. Its wide operating temperature range makes it suitable for a variety of portable and industrial applications.

  • Fast Charging: Supports up to 2.3A charge current to reduce charging time for single-cell Li-Ion batteries.
  • Flexible Control: I2C interface allows for dynamic configuration and real-time monitoring of the charging process.
  • Space-Saving Design: The compact 24-VFQFN package with exposed pad is ideal for space-constrained PCB layouts.
  • Wide Temperature Operation: Rated for -40°C to 85°C, ensuring reliable performance in harsh environments.

Portable Electronics

Ideal for compact devices like smartphones and wearables, the SY20743QCC's 2.3A charge current and I2C interface enable fast, configurable charging in a small 24-VFQFN package.

Industrial Handhelds

With an operating temperature range of -40°C to 85°C, this charger is suitable for rugged handheld scanners and PDAs used in demanding warehouse or field environments.

Medical Devices

Single-cell Li-Ion powered medical monitors and diagnostic tools benefit from the precise voltage regulation (4.6V) and reliable I2C communication for status tracking.

IoT Sensors

For battery-powered IoT nodes, the SY20743QCC provides a compact, efficient charging solution that can be fine-tuned via I2C for optimal energy management.

Smart Home Devices

Smart locks, cameras, and sensors with a single Li-Ion cell can leverage this charger's high current capability to reduce downtime and its wide temperature tolerance for varied indoor placements.

Q: What battery chemistry does the SY20743QCC support?
A: The SY20743QCC is designed for Lithium Ion/Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2.3A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.6V.
Q: What control interface does it use?
A: It uses an I2C interface for control and monitoring.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C (TA).
Base Product Number : SY20743
2.3A 24-VFQFN 4.6V Battery Charger I2C Linear Battery Charger Lithium Ion/Polymer
Q: What battery chemistry does the SY20743QCC support?
A: The SY20743QCC is designed for Lithium Ion/Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports a single-cell (1) configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 2.3A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.6V.
Q: What control interface does it use?
A: It uses an I2C interface for control and monitoring.
Q: What is the operating temperature range?
A: The operating temperature range is -40°C to 85°C (TA).