BQ2003PN
Battery Management Switchmode Charge Management IC
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製造商零件號 # : BQ2003PN
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包裝/封裝: PDIP-16
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製造商: Texas Instruments
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產品分類 : Battery Chargers
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服務與包裝
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BQ2003PN 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The BQ2003PN is a cutting-edge battery charge controller IC that sets the standard for NiCd and NiMH battery charging applications. With its advanced voltage reference, timer, and monitoring circuitry, this IC ensures safe and efficient charging for your batteries. Whether you're looking to fast charge in constant current or constant voltage modes, the BQ2003PN has got you covered with its programmable charge termination and thermal regulation features
主要特徵
- Fast charging with external transistor control
- Overcharge protection to prevent damage
- Safe battery charging for extended lifespan
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Number of series cells | 1, 2, 3, 4 | Charge current (max) (A) | 2 |
Vin (max) (V) | 5.5 | Cell chemistry | NiCd, NiMH |
Battery charge voltage (min) (V) | 0 | Battery charge voltage (max) (V) | 5.5 |
Absolute max Vin (max) (V) | 7 | Control topology | Switch-Mode Buck |
Control interface | Standalone (RC-Settable) | Features | BAT temp thermistor monitoring (hot/cold profile) |
Vin (min) (V) | 4.5 | Rating | Catalog |
Operating temperature range (°C) | -40 to 85, 0 to 70 |
常見問題解答
What is BQ2003PN?
The BQ2003PN is a precision integrated circuit (IC) designed by Texas Instruments. It is a lead-acid battery charger controller suitable for a wide range of battery charging applications, including portable devices, solar power systems, and automotive batteries.
How Does BQ2003PN Work?
The BQ2003PN operates as a battery charger controller by regulating the charging voltage and current to ensure safe and efficient charging of lead-acid batteries. It utilizes sophisticated charging algorithms to protect the battery from overcharging, overdischarging, and other potential damage. The IC also offers temperature sensing and compensation features for optimal charging performance.
How Many Pins does BQ2003PN have and What are the Functions of the Pinout Configuration?
The BQ2003PN is housed in a 16-pin PDIP (Plastic Dual-In-Line Package) package. The pinout configuration includes:
- VBAT: Battery voltage sense pin.
- VREG: Voltage regulation input pin.
- TEMP: Temperature sense input pin.
- VOLT: Voltage threshold programming pin.
- IBAT: Battery current sense input pin.
- VREF: Reference voltage output pin.
- VSS, VDD: Ground and power supply pins, respectively.
What are the Pros and Cons of BQ2003PN?
Pros:
- Precision Charging: Ensures accurate and safe charging of lead-acid batteries.
- Temperature Sensing: Includes temperature compensation for improved charging performance.
- Wide Application Range: Suitable for a variety of lead-acid battery charging applications.
- Integration: Combines multiple control functions in a single IC package for convenience.
- Reliability: Designed by Texas Instruments, known for high-quality IC products.
Cons:
- Complexity: May require careful setup and configuration for optimal charging performance.
- External Components: Additional external components such as voltage regulators and sensors may be needed for specific applications.
- Cost: Precision charging ICs like the BQ2003PN may have a higher cost compared to basic charger controllers.
Are There Any Equivalents/Alternatives to BQ2003PN for Recommendation?
- The UC3906 from Texas Instruments is a similar lead-acid battery charger controller offering comparable features.
- Alternatives to the BQ2003PN include the LM393 from Texas Instruments and the SE9017 from Seiko Instruments.
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