BQ24292IRGER

Product Overview

Category

BQ24292IRGER belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, and portable electronics.

Characteristics

• Integrated circuit for battery charging
• Supports fast charging protocols
• Highly efficient power management
• Compact and lightweight design
• Advanced safety features for battery protection

Package

BQ24292IRGER is available in a small outline package (SOP) with 20 pins. The package provides excellent thermal performance and ease of integration into electronic devices.

Essence

The essence of BQ24292IRGER lies in its ability to efficiently charge lithium-ion batteries while ensuring their safety and longevity.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input voltage range: 4.35V - 6.45V
• Charging current range: 500mA - 3000mA
• Operating temperature range: -40°C to +85°C
• Battery voltage regulation accuracy: ±0.5%
• Charge termination current accuracy: ±5%
• Overvoltage protection threshold: 4.4V
• Undervoltage lockout threshold: 3.2V

Detailed Pin Configuration

1. VBUS: Input voltage pin
2. GND: Ground pin
3. TS: Temperature sense pin
4. STAT: Status output pin
5. ISET: Charge current setting pin
6. CE: Charger enable pin
7. PG: Power good output pin
8. BAT: Battery voltage pin
9. SRN: Sense resistor negative terminal
10. SRP: Sense resistor positive terminal
11. TS/NTC: Temperature sense or NTC thermistor input pin
12. VREF: Reference voltage output pin
13. SDA: I2C data pin
14. SCL: I2C clock pin
15. INT: Interrupt output pin
16. ILIM: Input current limit setting pin
17. TS/NTC: Temperature sense or NTC thermistor input pin
18. VBUS: Input voltage pin
19. GND: Ground pin
20. VDD: Power supply pin

Functional Features

• Fast charging support for various protocols (e.g., USB BC1.2, Apple, and Qualcomm Quick Charge)
• Thermal regulation to prevent overheating during charging
• Battery temperature monitoring for enhanced safety
• Automatic power path management for simultaneous charging and system operation
• Dynamic power management to optimize charging efficiency
• Fault detection and protection mechanisms for battery and charger safety

Advantages and Disadvantages

Advantages

• High charging efficiency
• Wide input voltage range
• Compact size for easy integration
• Comprehensive safety features
• Compatibility with multiple fast charging protocols

Disadvantages

• Limited charging current range compared to some other models
• Relatively higher cost compared to basic charging ICs

Working Principles

BQ24292IRGER operates based on a switching regulator architecture. It utilizes pulse width modulation (PWM) techniques to control the charging current and voltage. The integrated circuit constantly monitors the battery status, input voltage, and temperature to ensure safe and efficient charging.

Detailed Application Field Plans

BQ24292IRGER finds applications in a wide range of electronic devices that require lithium-ion battery charging capabilities. Some notable application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Wireless headphones - Digital cameras - Power banks

Detailed and Complete Alternative Models

1. BQ24292IRGERG4: Similar to BQ24292IRGER, but with additional features for enhanced battery protection.
2. BQ24292IRGET: Thermally enhanced version of BQ24292IRGER for improved heat dissipation.
3. BQ24292IRGERG4-EP: Enhanced product variant with extended temperature range and increased ruggedness.

These alternative models offer similar functionality and compatibility with various charging protocols, providing flexibility in design and application.

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