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LT8490IUKJ
Product Overview
Category
LT8490IUKJ belongs to the category of integrated circuits (ICs).
Use
The LT8490IUKJ IC is primarily used for battery charging applications.
Characteristics
- Package: The LT8490IUKJ comes in a compact and durable package.
- Essence: This IC is designed to efficiently charge batteries while providing protection against overcharging and over-discharging.
- Packaging/Quantity: The LT8490IUKJ is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.
Specifications
The LT8490IUKJ has the following specifications:
- Input Voltage Range: 4V to 60V
- Maximum Charging Current: 4A
- Programmable Float Voltage: 2.5V to 60V
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT8490IUKJ has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VFB: Feedback pin for setting the float voltage
- ISET: Pin for setting the charging current
- STAT: Status output pin
- BAT: Battery connection pin
- TIMER: Timer programming pin
- PROG: Programming pin for various features
Functional Features
The LT8490IUKJ offers the following functional features:
- Wide input voltage range allows compatibility with various power sources.
- Programmable float voltage enables precise control over the charging process.
- High efficiency ensures minimal power loss during charging.
- Integrated protection circuitry safeguards against overcharging and over-discharging.
- Timer programming feature allows customization of charging duration.
Advantages and Disadvantages
Advantages of using the LT8490IUKJ IC include: - Wide input voltage range provides flexibility in power source selection. - Programmable float voltage allows customization for different battery types. - High efficiency reduces energy waste during charging.
Disadvantages of using the LT8490IUKJ IC include: - Limited maximum charging current may not be suitable for high-capacity batteries. - Operating temperature range may restrict usage in extreme environments.
Working Principles
The LT8490IUKJ operates based on a switching regulator topology. It utilizes pulse width modulation (PWM) to control the charging process. The IC continuously monitors the battery voltage and adjusts the charging current accordingly to maintain the desired float voltage. The integrated protection circuitry ensures safe charging by preventing overcharging and over-discharging.
Detailed Application Field Plans
The LT8490IUKJ is commonly used in various battery charging applications, including: 1. Solar-powered systems 2. Electric vehicles 3. Portable electronic devices 4. Industrial equipment 5. Backup power systems
Detailed and Complete Alternative Models
Some alternative models to the LT8490IUKJ IC are: 1. LT3652 - Similar functionality with a lower maximum charging current. 2. LTC4011 - Offers additional features such as battery temperature monitoring. 3. MAX8903A - Provides higher charging current capability but with a narrower input voltage range.
In conclusion, the LT8490IUKJ is a versatile integrated circuit designed for efficient battery charging applications. Its wide input voltage range, programmable float voltage, and integrated protection circuitry make it suitable for various industries and applications. However, its limited maximum charging current and operating temperature range should be considered when selecting alternative models for specific requirements.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT8490IUKJ v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT8490IUKJ in technical solutions:
Q: What is the LT8490IUKJ? A: The LT8490IUKJ is a high-performance battery charger and power manager IC.
Q: What are the key features of the LT8490IUKJ? A: The LT8490IUKJ features wide input voltage range, high efficiency, accurate battery charging, and multiple protection features.
Q: What types of batteries can be charged using the LT8490IUKJ? A: The LT8490IUKJ can charge various types of batteries, including lead-acid, lithium-ion, and lithium iron phosphate (LiFePO4).
Q: Can the LT8490IUKJ be used for solar-powered applications? A: Yes, the LT8490IUKJ is suitable for solar-powered applications as it has built-in MPPT (Maximum Power Point Tracking) capability.
Q: How does the LT8490IUKJ ensure accurate battery charging? A: The LT8490IUKJ uses a multi-stage charging algorithm with temperature compensation to ensure precise and safe charging of batteries.
Q: Does the LT8490IUKJ provide any protection features? A: Yes, the LT8490IUKJ offers protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions.
Q: Can the LT8490IUKJ be used in automotive applications? A: Yes, the LT8490IUKJ is automotive qualified and can be used in various automotive applications such as electric vehicles and hybrid vehicles.
Q: What is the maximum charging current supported by the LT8490IUKJ? A: The LT8490IUKJ can support charging currents up to 20A, depending on the application and thermal considerations.
Q: Does the LT8490IUKJ have any communication interfaces? A: No, the LT8490IUKJ does not have built-in communication interfaces. However, it can be easily integrated with external microcontrollers or communication modules.
Q: Are there any evaluation boards or reference designs available for the LT8490IUKJ? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users quickly prototype and implement solutions using the LT8490IUKJ.
Please note that the answers provided here are general and may vary based on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.