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LT3651EUHE-8.4
+物料清單IC BATT CHG LI-ION 2CELL 36QFN
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製造商ADI公司
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製造商部分 #LT3651EUHE-8.4
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有存貨2995
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90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Part Status | Obsolete |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 2 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer |
| Fault Protection | Over Temperature |
| Charge Current - Max | 4A |
| Battery Pack Voltage | 8.4V |
| Voltage - Supply (Max) | 32V |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 36-WFQFN Exposed Pad |
| Supplier Device Package | 36-QFN (5x6) |
| Base Product Number | LT3651 |
概述
Description
Key features include automatic power path management, which optimizes charging and device operation, and a built-in thermal regulation system to prevent overheating. The LT3651 also supports multiple safety features such as overvoltage and overcurrent protection.
This IC is suitable for applications such as portable electronics, power banks, and electric vehicles, where efficient and reliable battery management is crucial. Its compact package and robust performance make it an excellent choice for designers looking to integrate a reliable charging solution in their projects.
Equivalent
Features
1. Input Voltage Range: Operates from 4.5V to 32V, allowing for versatility in power source options.
2. Output Voltage: Specifically designed for charging 8.4V lithium-ion batteries, ideal for various applications.
3. Integrated Power MOSFETs: Eliminates the need for external components, reducing board space and complexity.
4. High Efficiency: Offers up to 95% efficiency, minimizing heat generation and extending battery life.
5. Constant-Current/Constant-Voltage (CC/CV) Charging: Implements a robust charging algorithm ensuring safe battery charging.
6. Thermal Protection: Includes built-in thermal regulation to prevent overheating during operation.
7. Simple Control: Features an easy-to-use interface with status indicator outputs.
8. Compact Package: Available in a small 16-lead HTSOP package, facilitating space-saving designs.
These features make the LT3651EUHE-8.4 suitable for portable electronics, electric vehicles, and energy storage systems.
Pinout
Here’s a brief overview of the pin functions:
1. VIN (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. VOUT (Pin 3): Output voltage for charging the battery.
4. BAT (Pin 4): Connects to the battery being charged.
5. CSN (Pin 5): Current sense negative input for monitoring charging current.
6. CSP (Pin 6): Current sense positive input for monitoring charging current.
7. PROG (Pin 7): Programming pin to set the charging current.
8. Rset (Pin 8): Resistor connection for setting the output voltage.
The LT3651EUHE-8.4 is particularly suited for solar battery charging and features an adjustable output for voltage regulation.
Manufacturer
Application
1. Li-ion/Li-polymer Battery Charging: Ideal for portable electronics like smartphones, tablets, and wearable devices.
2. Solar Charging Systems: Efficient energy harvesting from solar panels for charging batteries.
3. IoT Devices: Power management for Internet of Things applications requiring battery operation.
4. Electric Vehicles (EVs): Used in charging systems for small electric vehicles and scooters.
5. Backup Power Systems: Suitable for uninterruptible power supplies (UPS) and energy storage systems.
Its features include high efficiency, programmable charge current, and integrated power paths for optimal performance.