BQ24308DSGR

Product Overview

Category

BQ24308DSGR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for battery charging and protection in various electronic devices, such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

• Integrated circuit for power management
• Battery charging and protection functionality
• Compact package size
• High efficiency charging
• Overvoltage and overcurrent protection
• Thermal regulation for safe operation

Package

BQ24308DSGR is available in a small 10-pin VSON package, which ensures easy integration into compact electronic devices.

Essence

The essence of BQ24308DSGR lies in its ability to efficiently charge and protect batteries in portable electronic devices, ensuring safe and reliable operation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 3.5V - 6.45V
• Charging Current Range: 100mA - 2A
• Operating Temperature Range: -40°C to +85°C
• Output Voltage: Programmable up to 4.4V
• Overvoltage Protection Threshold: Programmable up to 4.6V
• Overcurrent Protection Threshold: Programmable up to 3.5A

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. PG: Power good indicator output pin
4. STAT: Status output pin
5. ISET: Charging current setting pin
6. TS: Thermistor input pin
7. BAT: Battery voltage sense pin
8. PROG: Programming pin for setting various parameters
9. ILIM: Current limit setting pin
10. VBUS: USB input voltage sense pin

Functional Features

• Battery charging with programmable current and voltage limits
• Overvoltage and overcurrent protection for safe battery operation
• Power good indicator to monitor the charging status
• Status output pin for system control and monitoring
• Programmable thermal regulation for temperature management
• USB input voltage sensing for compatibility with different power sources

Advantages and Disadvantages

Advantages

• Compact package size allows for easy integration into portable electronic devices
• High efficiency charging ensures faster battery replenishment
• Programmable parameters provide flexibility for different device requirements
• Overvoltage and overcurrent protection safeguards the battery and the device
• Thermal regulation prevents overheating and extends battery life

Disadvantages

• Limited charging current range may not be suitable for high-power devices
• Programming of various parameters may require technical expertise
• Availability in small quantities may pose challenges for large-scale production

Working Principles

BQ24308DSGR operates by regulating the charging current and voltage supplied to the battery. It continuously monitors the battery voltage, input voltage, and charging current to ensure safe and efficient charging. The integrated protection circuitry detects overvoltage and overcurrent conditions, triggering appropriate actions to protect the battery and the device. The programmable features allow customization of charging parameters based on specific device requirements.

Detailed Application Field Plans

BQ24308DSGR finds applications in a wide range of portable electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - GPS devices - Handheld gaming consoles

Detailed and Complete Alternative Models

1. BQ24075RGTR: Similar functionality with a different package and pin configuration.
2. BQ24232RGTT: Offers additional features such as USB OTG support and system voltage monitoring.
3. BQ24040DSQT: Suitable for lower power devices with a smaller charging current range.

These alternative models provide similar functionality to BQ24308DSGR, catering to different design requirements and specifications.

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