BQ24167YFFR - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24167YFFR belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is primarily used for managing and controlling the charging process of rechargeable batteries in various electronic devices.

Characteristics

• The BQ24167YFFR offers high efficiency charging, ensuring optimal use of power.
• It supports multiple charging modes, including fast charging and trickle charging.
• This IC incorporates advanced safety features to protect the battery and the device from overcharging, overvoltage, and overcurrent conditions.
• It provides accurate monitoring and reporting of battery status through its integrated fuel gauge functionality.
• The BQ24167YFFR is designed to be compact and lightweight, making it suitable for portable electronic devices.

Package and Quantity

The BQ24167YFFR is available in a small form factor package, such as a 20-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels or tubes containing a specified quantity, usually ranging from a few hundred to several thousand units per package.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charging Voltage Range: 3.5V to 4.44V
• Maximum Charging Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Integrated Safety Features: Overvoltage Protection, Overcurrent Protection, Thermal Regulation, Battery Temperature Monitoring, Reverse Polarity Protection

Pin Configuration

The BQ24167YFFR has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. VBUS: USB input voltage pin
3. TS: Thermistor input for battery temperature monitoring
4. STAT: Status output pin
5. PG: Power good output pin
6. ISET: Charging current setting pin
7. VREF: Reference voltage output pin
8. TS/NTC: Thermistor input or NTC thermistor input
9. BAT: Battery voltage output pin
10. SRN: Sense resistor negative terminal
11. SRP: Sense resistor positive terminal
12. VSS: Ground pin
13. VSS: Ground pin
14. VSS: Ground pin
15. VSS: Ground pin
16. VSS: Ground pin
17. VSS: Ground pin
18. VSS: Ground pin
19. VSS: Ground pin
20. VDD: Supply voltage pin

Functional Features

• Fast Charging: The BQ24167YFFR supports high-speed charging, reducing the charging time for batteries.
• Trickle Charging: It provides a trickle charging mode to maintain the battery's charge level when it is not in use.
• Dynamic Power Management: This IC optimizes power delivery based on the device's requirements, ensuring efficient energy utilization.
• Integrated Fuel Gauge: The BQ24167YFFR incorporates a fuel gauge functionality that accurately monitors and reports the battery's state of charge.
• Safety Protection: It includes various safety features like overvoltage protection, overcurrent protection, thermal regulation, and reverse polarity protection to safeguard the battery and the device.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures optimal power utilization.
• Multiple charging modes cater to different battery charging requirements.
• Compact and lightweight design suitable for portable devices.
• Advanced safety features protect the battery and the device from potential damage.

Disadvantages

• Limited compatibility with certain battery chemistries or configurations.
• Requires proper configuration and integration into the device's charging system.

Working Principles

The BQ24167YFFR operates based on a switching regulator topology. It regulates the charging current and voltage to ensure safe and efficient charging of the battery. The IC monitors various parameters like input voltage, battery voltage, and temperature to adjust the charging process accordingly. It dynamically manages power delivery to optimize charging speed and efficiency while protecting the battery from potential hazards.

Application Field Plans

The BQ24167YFFR is widely used in various electronic devices that require battery charging capabilities. Some common application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Wireless headphones and earbuds - Portable power banks

Alternative Models

In addition to the BQ24167YFFR, there are several alternative models available in the market that offer similar functionality. Some notable alternatives include: - BQ24160YFFR - BQ24163YFFR - BQ24168YFFR - BQ24169YFFR

These alternative models may have slight variations in specifications or additional features, providing options for different design requirements