Silergy Technology SY20743BQCC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.84 | $8.84 |
| 15+ | $2.03 | $30.45 |
| 25+ | $1.99 | $49.75 |
| 50+ | $1.88 | $94.00 |
| 100+ | $1.66 | $166.00 |
| N+ | $0.33 | Price Inquiry |
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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 |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Temperature, Over Voltage, Short Circuit |
| Charge Current - Max | 3A |
| Battery Pack Voltage | - |
| Voltage - Supply (Max) | 13.5V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-VFQFN |
| Supplier Device Package | 24-QFN (4x4) |
| ROHS |
The Silergy SY20743BQCC is a high-current, single-cell battery charger IC designed for Lithium Ion and Lithium Polymer batteries. It supports a maximum charge current of 3A, enabling fast charging for high-capacity cells. The device includes comprehensive fault protection, including Over Current, Over Temperature, Over Voltage, and Short Circuit. Controlled via an I2C interface, it is housed in a 24-VFQFN package. This charger is engineered for performance-demanding applications such as power tools, drones, and industrial handhelds.
- Fast Charging Capability: Supports up to 3A charge current, dramatically reducing charge time for high-capacity batteries.
- Industrial Temperature Range: Rated for -40°C to 125°C (TJ), suitable for harsh operating environments.
- Full Protection Features: Integrates Over Current, Over Temperature, Over Voltage, and Short Circuit protection for reliable operation.
- Digital Control: I2C interface enables advanced charging algorithms and real-time monitoring.
High-Capacity Power Banks
Charge large single-cell batteries in power banks quickly. The 3A charge current significantly reduces charging time compared to lower-current chargers.
Industrial Handhelds
Power rugged PDAs and barcode scanners used in warehouses. The wide junction temperature range (-40°C to 125°C) ensures reliable operation in demanding industrial environments.
Drones and Robotics
Manage the high-capacity Li-Polymer batteries used in small drones and robotic platforms. The high charge current and robust protection features are critical for these applications.
Portable Power Tools
Support fast charging of batteries in compact power tools. The 3A capability allows for rapid turnaround in professional settings.
Automotive Accessories
Charge batteries in dash cameras and portable navigation devices. The device's ability to handle high temperatures makes it suitable for in-vehicle use.
- Q: What battery chemistry does the SY20743BQCC support?
- A: It is designed for Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can this charger handle?
- A: It supports a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 3A.
- Q: What fault protection features are included?
- A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
- 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 junction temperature range is -40°C to 125°C.
- Q: What battery chemistry does the SY20743BQCC support?
- A: It is designed for Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can this charger handle?
- A: It supports a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 3A.
- Q: What fault protection features are included?
- A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
- 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 junction temperature range is -40°C to 125°C.

SY20743BQCC.pdf