BQ24620RVAT
Product Overview
Category
BQ24620RVAT belongs to the category of battery charger ICs.
Use
This product is primarily used for charging and managing rechargeable batteries.
Characteristics
- High efficiency charging
- Wide input voltage range
- Integrated power FETs
- Programmable charge current
- Thermal regulation and protection
- Battery temperature monitoring
- Charge termination options
Package
BQ24620RVAT is available in a small outline package (SOP) with 20 pins.
Essence
The essence of BQ24620RVAT lies in its ability to efficiently charge and manage rechargeable batteries, providing a reliable and flexible solution for various applications.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 4.5V to 26V
- Charge Voltage Range: 3.6V to 24V
- Charge Current Range: 10mA to 8A
- Operating Temperature Range: -40°C to +85°C
- Control Interface: I2C
Detailed Pin Configuration
- VCC: Power supply input
- GND: Ground reference
- TS: Battery temperature sense input
- BAT: Battery positive terminal
- SRN: Sense resistor negative terminal
- SRP: Sense resistor positive terminal
- PROG: Charge current programming pin
- ISET: Charge current setting pin
- STAT: Status output pin
- INT: Interrupt output pin
- SDA: I2C data line
- SCL: I2C clock line
- ILIM: Input current limit programming pin
- AC/DC: AC/DC adapter detection pin
- TS/AC: Battery temperature sense or AC adapter detection pin
- VREF: Reference voltage output
- REGN: Negative voltage regulator output
- REGP: Positive voltage regulator output
- SRSET: Sense resistor programming pin
- SRSET: Sense resistor programming pin
Functional Features
- Constant current and constant voltage charging modes
- Programmable charge termination options (voltage, current, timer)
- Thermal regulation to prevent overheating
- Battery temperature monitoring for safety
- Input current limit control
- I2C interface for communication and control
- Fault protection features (overvoltage, overcurrent, short circuit)
Advantages and Disadvantages
Advantages
- High charging efficiency leads to reduced power consumption
- Wide input voltage range allows compatibility with various power sources
- Integrated power FETs simplify the design and reduce external components
- Programmable charge current offers flexibility for different battery capacities
- Comprehensive fault protection ensures safe operation
Disadvantages
- Requires additional external components for complete charging system implementation
- Limited availability of alternative models in the market
Working Principles
BQ24620RVAT operates by regulating the charging process based on the programmed parameters. It starts with a constant current mode until the battery voltage reaches a specified threshold. Then, it switches to constant voltage mode to maintain the battery voltage at the desired level. The charger continuously monitors the battery temperature and adjusts the charging parameters accordingly to ensure safe operation.
Detailed Application Field Plans
BQ24620RVAT finds applications in various fields, including: 1. Portable electronic devices 2. Electric vehicles 3. Solar-powered systems 4. Industrial equipment 5. Medical devices
Detailed and Complete Alternative Models
While BQ24620RVAT is a reliable battery charger IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: 1. LTC4000-1 2. MCP73871 3. MAX1555 4. TP4056 5. BQ24210
These alternative models provide different features and specifications, allowing designers to choose the most suitable option for their specific requirements.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24620RVAT i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of BQ24620RVAT in technical solutions:
Question: What is the BQ24620RVAT?
Answer: The BQ24620RVAT is a battery charger IC designed for single-cell Li-ion or Li-polymer batteries.Question: What is the input voltage range supported by the BQ24620RVAT?
Answer: The BQ24620RVAT supports an input voltage range of 4.5V to 26V.Question: What is the maximum charging current that can be achieved with the BQ24620RVAT?
Answer: The BQ24620RVAT can achieve a maximum charging current of 3A.Question: Can the BQ24620RVAT charge multiple batteries simultaneously?
Answer: No, the BQ24620RVAT is designed to charge a single-cell battery at a time.Question: Does the BQ24620RVAT have built-in overvoltage protection?
Answer: Yes, the BQ24620RVAT has built-in overvoltage protection to prevent damage to the battery.Question: Can the BQ24620RVAT be used in automotive applications?
Answer: Yes, the BQ24620RVAT is suitable for automotive applications as it meets the AEC-Q100 standard.Question: Does the BQ24620RVAT support thermal regulation during charging?
Answer: Yes, the BQ24620RVAT features thermal regulation to prevent overheating during charging.Question: What is the operating temperature range of the BQ24620RVAT?
Answer: The BQ24620RVAT can operate within a temperature range of -40°C to 85°C.Question: Can the BQ24620RVAT be used with other battery chemistries besides Li-ion and Li-polymer?
Answer: No, the BQ24620RVAT is specifically designed for single-cell Li-ion or Li-polymer batteries.Question: Does the BQ24620RVAT provide a charging status indication?
Answer: Yes, the BQ24620RVAT has an integrated LED driver that can be used to indicate the charging status.
Please note that these answers are general and may vary depending on the specific implementation and configuration of the BQ24620RVAT in your technical solution.