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LT8490EUKJ
Product Overview
Category
LT8490EUKJ belongs to the category of integrated circuits (ICs).
Use
The LT8490EUKJ is primarily used for battery charging applications.
Characteristics
- Integrated circuit designed for battery charging
- High efficiency and accuracy
- Wide input voltage range
- Programmable charge current
- Multiple protection features
Package
LT8490EUKJ comes in a compact and durable package, suitable for various electronic devices.
Essence
The essence of LT8490EUKJ lies in its ability to efficiently and accurately charge batteries, ensuring optimal performance and longevity.
Packaging/Quantity
The LT8490EUKJ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 4V to 60V
- Charge Current Range: 10mA to 2.5A
- Maximum Float Voltage: 60V
- Efficiency: Up to 98%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- VFB: Feedback voltage pin
- ISET: Charge current set pin
- STAT: Status output pin
- PROG: Programming pin
- BAT: Battery connection pin
- TIMER: Timer capacitor pin
Functional Features
- Constant-current/constant-voltage charging
- Programmable charge current and float voltage
- Automatic recharge
- Battery temperature monitoring
- LED status indication
- Fault detection and protection
Advantages and Disadvantages
Advantages
- High efficiency charging
- Wide input voltage range allows for versatile applications
- Programmable charge current provides flexibility
- Comprehensive protection features ensure safe operation
Disadvantages
- Limited maximum charge current of 2.5A
- Requires external components for complete battery charging system
Working Principles
The LT8490EUKJ operates on the principle of constant-current/constant-voltage charging. It regulates the charging process by monitoring the battery voltage and adjusting the charge current accordingly. The programmable charge current and float voltage allow customization for different battery types. The IC also incorporates various protection features to prevent overcharging, overcurrent, and overheating.
Detailed Application Field Plans
The LT8490EUKJ is suitable for a wide range of battery charging applications, including: 1. Electric vehicles 2. Solar power systems 3. Portable electronic devices 4. Industrial equipment 5. Backup power systems
Detailed and Complete Alternative Models
- LT3652: Similar functionality with lower input voltage range
- LTC4000: Higher charge current capability with additional features
- MAX8903: Integrated battery charger with power management functions
These alternative models offer similar functionalities to the LT8490EUKJ and can be considered based on specific application requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LT8490EUKJ dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of LT8490EUKJ in technical solutions:
Q: What is the LT8490EUKJ? A: The LT8490EUKJ is a high voltage, high current buck-boost battery charging controller.
Q: What is the input voltage range of the LT8490EUKJ? A: The input voltage range of the LT8490EUKJ is from 6V to 80V.
Q: What is the maximum charging current supported by the LT8490EUKJ? A: The LT8490EUKJ can support a maximum charging current of up to 20A.
Q: Can the LT8490EUKJ be used for both lithium-ion and lead-acid batteries? A: Yes, the LT8490EUKJ can be used for both lithium-ion and lead-acid batteries.
Q: Does the LT8490EUKJ have built-in thermal protection? A: Yes, the LT8490EUKJ has built-in thermal protection to prevent overheating.
Q: What is the efficiency of the LT8490EUKJ? A: The LT8490EUKJ has a high efficiency of up to 98%.
Q: Can the LT8490EUKJ operate in a wide temperature range? A: Yes, the LT8490EUKJ can operate in a temperature range from -40°C to 125°C.
Q: Does the LT8490EUKJ have an adjustable output voltage? A: Yes, the LT8490EUKJ has an adjustable output voltage that can be set using external resistors.
Q: Can the LT8490EUKJ be used in automotive applications? A: Yes, the LT8490EUKJ is suitable for automotive applications due to its wide input voltage range and robust design.
Q: Are there any evaluation boards or reference designs available for the LT8490EUKJ? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for the LT8490EUKJ to help with the development process.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.