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ISL6251
ISL6251 is a buck-boost switching regulator IC for battery chargers.
ISL6251
ISL6251 is a buck-boost switching regulator IC for battery chargers.
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製造商零件號 # : ISL6251
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包裝/封裝: SOP
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製造商: INFINEON
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產品分類 : Power Management Circuits
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ISL6251 數據表
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詳細說明
The ISL6251 is a highly integrated power management IC designed for use in laptops, notebooks, and other portable electronic devices. It is specifically designed for charging and regulating the power supply to the battery in these devices. Some key details of the ISL6251 include:1. Integrated battery charger: The ISL6251 features a high efficiency synchronous PWM controller to regulate the charging of lithium-ion battery packs. It can support charging currents up to 5A.2. Voltage regulation: The IC provides accurate voltage regulation to ensure the battery is charged safely and efficiently. It can operate over a wide input voltage range, typically from 7V to 25V, making it suitable for a variety of applications.3. Thermal protection: The ISL6251 includes built-in thermal protection features to prevent damage from overheating. This ensures reliable operation even under high load conditions.4. Flexible design: The IC offers programmable output voltage and current settings, allowing for customization based on the requirements of the specific application.
主要特徵
- High efficiency synchronous buck regulator
- Wide input voltage range from 4.5V to 25V
- Adjustable output voltage from 0.6V to 5.5V
- Integrated MOSFETs for compact design
- Fixed PWM frequency at 285kHz
- Soft-start and protection features for reliable operation
應用
- Laptop computers
- Mobile devices
- Tablets
- Portable audio devices
- Digital cameras
- Networking equipment
- Industrial controllers
- Embedded systems
- Medical devices
- Automotive applications
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is ISL6251?
The ISL6251 is a high-performance, single-phase battery charger IC designed by Renesas Electronics. It is specifically designed for charging and managing the lithium-ion batteries used in portable devices, laptops, and other battery-powered systems.
How Does ISL6251 Work?
The ISL6251 operates by regulating the charging of lithium-ion batteries through a single-phase architecture. It provides accurate voltage and current regulation, battery health monitoring, and protection features to ensure safe and efficient battery charging.
How Many Pins does ISL6251 have and What are the Functions of the Pinout Configuration?
The ISL6251 is housed in a 28-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:
- PGND: Power ground pin.
- BAT: Battery connection pin.
- CSEL: Charge current selection pin.
- PROCHOT: Thermal status output pin.
- CHG_EN: Charge enable pin.
- ACIN: AC adapter input pin.
- ACBAT: AC adapter detect and battery selector pin.
- VBUS: USB supply voltage pin.
- SCL, SDA: I2C serial communication pins.
What are the Pros and Cons of ISL6251?
Pros:
- High Performance: Provides efficient and accurate lithium-ion battery charging.
- Integrated Features: Includes protection circuits, temperature monitoring, and communication interfaces for battery management.
- Programmable Charge Current: Offers flexibility in setting the charge current based on application requirements.
- Small Package: Housed in a compact QFN package for space-efficient designs.
- Wide Input Voltage Range: Supports a wide input voltage range for compatibility with various power sources.
Cons:
- Complexity: Requires careful consideration of battery parameters and charging profiles for optimal performance.
- External Components: May require external components such as temperature sensors and input protection for specific applications.
Are There Any Equivalents/Alternatives to ISL6251 for Recommendation?
- The BQ24751 from Texas Instruments is a similar single-phase battery charger IC.
- Alternatives to the ISL6251 include the MAX1732 from Maxim Integrated and the DS2715 from Maxim Integrated.
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