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BQ24650RVAR
+Lista de MateriaisIC BATT CHG MULTI-CHEM 16VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #BQ24650RVAR
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Pacote VQFN-16
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Em Estoque2274
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| BatteryChemistry | Multi-Chemistry |
| ProgrammableFeatures | Current |
| FaultProtection | Over Temperature, Over Voltage |
| Voltage-Supply(Max) | 28V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-VFQFN Exposed Pad |
Visão Geral
Description
Key features include Maximum Power Point Tracking (MPPT), which maximizes the energy harvested from solar panels by adjusting the operating point. The BQ24650RVAR operates with a high switching frequency of 600 kHz, allowing for smaller passive components, and offers integrated MOSFET drivers to reduce the need for external components. It provides a wide input voltage range, from 5V to 28V, making it versatile for different solar panel setups.
Additional features include high-accuracy voltage and current regulation, adjustable battery regulation voltage, and current settings via external resistors. Protections against over-voltage, over-current, and over-temperature conditions enhance its reliability in various environments. The device is commonly used in portable electronics, solar chargers, and renewable energy systems.
Equivalent
1. Microchip MCP73871 - A solar battery charger for Li-Ion and Li-Polymer batteries.
2. Linear Technology (Analog Devices) LT3652 - A solar power battery charger controller.
3. Maxim Integrated (now part of Analog Devices) MAX1772 - Battery charger controller.
Always verify compatibility with specifications and application requirements.
Features
1. MPPT (Maximum Power Point Tracking): Optimizes power extraction from solar panels, enhancing charging efficiency.
2. High Efficiency: Synchronous switching provides efficiency over 90%, reducing power loss.
3. Wide Input Voltage Range: Supports 5V to 28V, compatible with various solar panel sizes.
4. Charge Status Outputs: Provides signals for charge status, fault indication, and battery status.
5. Integrated Features: Includes input overvoltage protection and battery overvoltage protection.
6. Programmable Parameters: Allows customization of charging current, voltage, and regulation.
7. Automatic Power Path Management: Ensures power is prioritized to the system load.
8. Temperature Monitoring: Supports battery temperature sensing for added safety.
9. Compact Package: Available in a 24-pin QFN package, suitable for space-constrained applications.
These features make it ideal for portable solar chargers and renewable energy systems, ensuring reliable and efficient battery charging.
Pinout
Key functions of the BQ24650RVAR include:
1. Input Voltage Regulation: Optimizes power output from solar panels.
2. Maximum Power Point Tracking (MPPT): Enhances charging efficiency by adjusting to the maximum power point of the solar panel.
3. Battery Pre-Charge and Fast-Charge: Supports battery charging with pre-charge, constant current, and constant voltage phases.
4. Charge Termination and Recharge: Automatically terminates charging and initiates recharge based on battery conditions.
5. Status Indication: Provides feedback on charging status through status pins.
The BQ24650RVAR is designed for applications like solar-powered systems, portable electronics, and backup battery systems, where efficient and reliable charging is critical.