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BQ24450DWTR
+Lista de MateriaisIC BATT CHG LEAD ACID 16SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #BQ24450DWTR
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Pacote 16-SOIC
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Em Estoque1509
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lead Acid |
| Voltage-Supply(Max) | 40V |
| OperatingTemperature | -40°C ~ 70°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Visão Geral
Description
Key features of the BQ24450DWTR include automatic charge termination, temperature compensation, and overcharge protection, ensuring the battery's longevity and safety. The device supports both two-stage and three-stage charging processes, providing flexibility for different charging requirements. It operates in a wide temperature range and includes a built-in precision voltage reference and voltage regulator, enhancing its performance in varying conditions.
The IC is packaged in a compact SOIC (Small Outline Integrated Circuit) package, making it suitable for space-constrained designs. Its integration simplifies design efforts and reduces the component count in battery charging applications. Overall, the BQ24450DWTR offers an efficient and reliable solution for managing lead-acid battery charging, balancing performance, safety, and operational stability.
Equivalent
1. Microchip/Microsemi MCP7384X Series: Offers similar functionalities for NiMH/NiCd charging.
2. Linear Technology (Analog Devices) LTC4010: Another NiMH/NiCd battery charger controller.
3. MAX712/MAX713 by Maxim Integrated: These are also NiMH and NiCd battery fast-charge controllers with similar specs.
Always verify pin compatibility and specific features before substituting in a design.
Features
1. Adjustable Regulation Voltage: Allows customization of the charge termination voltage to accommodate various battery specifications.
2. Temperature Compensation: Adjusts the charging voltage based on temperature changes to ensure optimal charging and to prolong battery life.
3. Pre-Charge Conditioning: Initializes charging with a lower current for deeply discharged batteries, which helps to prevent battery damage.
4. Overcurrent Protection: Safeguards against excessive current, protecting both the charger and the battery.
5. LED Status Indication: Provides real-time feedback on the charge status, facilitating easy monitoring.
6. Low Dropout Voltage: Ensures efficient charging even with minimal voltage difference between input and output.
7. Small Form Factor: Available in a 14-pin TSSOP package, making it suitable for compact applications.
These features make the BQ24450DWTR a versatile option for reliable and efficient lead-acid battery charging.
Pinout
Pin Count:
- The BQ24450DWTR is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.
Key Functions:
- Charge Control: The IC manages the charging process by providing accurate voltage and current regulation to ensure the battery is charged optimally.
- Pre-Charge and Fast-Charge Regulation: It supports different charging phases, including pre-charge, fast charge, and float charge.
- Temperature Monitoring: The device can be used with an external thermistor for temperature-based charging adjustments.
- Status Indication: It includes indicators for charge status, enabling easy monitoring of the charging process.
- Safety Features: The IC incorporates safety features such as overvoltage and short-circuit protection to prevent damage to the battery or charger.
Overall, the BQ24450DWTR is a versatile and reliable solution for charging lead-acid batteries, providing essential protection and charging features.
Manufacturer
Application
1. Uninterruptible Power Supplies (UPS): Ensures backup power is readily available.
2. Emergency Lighting: Keeps emergency lighting systems charged and ready for use.
3. Alarm Systems: Maintains battery charge in security and alarm systems.
4. Portable Equipment: Supports charging for various portable machinery and tools.
5. Solar Battery Charging: Utilized in solar power systems to manage battery charging.
6. Automotive Applications: Assists in maintaining auxiliary batteries in vehicles.
These applications benefit from the IC's ability to provide precise and reliable charging management for lead-acid batteries.