BQ24160YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24160YFFT 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 BQ24160YFFT 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.
• It is designed to be compact and lightweight, making it suitable for portable electronic devices.
• The BQ24160YFFT provides a wide input voltage range, allowing it to be used with different power sources.
• It offers programmable charging parameters, enabling customization for specific battery types and capacities.

Package and Quantity

The BQ24160YFFT is available in a small form factor package, such as a thin QFN (Quad Flat No-leads) package. The exact package type and quantity may vary depending on the manufacturer and distributor.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charging Current Range: Up to 3A
• Operating Temperature Range: -40°C to +85°C
• Battery Voltage Regulation Accuracy: ±0.5%
• Charge Termination Accuracy: ±5mV
• Standby Current: <100µA

Pin Configuration

The BQ24160YFFT has a total of 20 pins. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. VBUS: USB input voltage pin
3. PGND: Power ground pin
4. SYS: System output voltage pin
5. TS: Temperature sense pin
6. STAT: Charging status output pin
7. ISET: Charging current set pin
8. VBAT: Battery voltage pin
9. TS/NTC: Temperature sense or NTC thermistor input pin
10. ILIM: Input current limit pin
11. EN2: Enable 2 pin
12. EN1: Enable 1 pin
13. SDA: I2C data pin
14. SCL: I2C clock pin
15. INT: Interrupt output pin
16. CE: Charge enable input pin
17. DPM: D+/D- detection input pin
18. SRN: System reset output pin
19. VREF: Reference voltage output pin
20. PG: Power good output pin

Functional Features

The BQ24160YFFT offers the following functional features:

1. Battery Charging Management: It provides a comprehensive charging management system, ensuring efficient and safe charging of batteries.
2. Multiple Charging Modes: The IC supports various charging modes, including fast charging, trickle charging, and pre-conditioning, allowing flexibility in battery charging strategies.
3. Safety Protection: The BQ24160YFFT incorporates advanced safety features such as overvoltage protection, overcurrent protection, and thermal regulation to safeguard the battery and the device during the charging process.
4. Programmable Parameters: It allows customization of charging parameters, enabling compatibility with different battery chemistries and capacities.
5. Status Indication: The STAT pin provides real-time charging status information, facilitating user feedback and system integration.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures optimal use of power.
• Multiple charging modes provide flexibility for different battery charging requirements.
• Advanced safety features protect the battery and the device from potential damage.
• Compact and lightweight design makes it suitable for portable electronic devices.
• Programmable parameters allow customization for specific battery types and capacities.

Disadvantages

• The BQ24160YFFT may require additional external components for a complete charging solution.
• It may have a learning curve for users unfamiliar with integrated circuit design and programming.

Working Principles

The BQ24160YFFT operates based on the principle of pulse width modulation (PWM) control. It regulates the charging current and voltage to ensure efficient and safe charging of batteries. The IC continuously monitors the battery's voltage, temperature, and charging status to adjust the charging parameters accordingly. It employs a switching regulator to convert the input voltage into a suitable charging voltage for the battery. The advanced safety features protect against overcharging, overvoltage, and overcurrent conditions, ensuring the longevity and safety of the battery and the device.

Detailed Application Field Plans

The BQ24160YFFT is widely used in various applications that require battery charging management. Some of the common application fields include:

1. Smartphones and Tablets: The IC is extensively utilized in smartphones and tablets to provide efficient and safe charging for their built-in rechargeable batteries.