BQ24163YFFT - English Editing Encyclopedia Entry

Product Overview

Category

BQ24163YFFT 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 lithium-ion batteries in various electronic devices.

Characteristics

• Efficient charging: The BQ24163YFFT offers high charging efficiency, ensuring optimal use of power during the charging process.
• Fast charging: It supports fast charging protocols, allowing for quicker battery recharge times.
• Compact package: The IC comes in a small form factor package, making it suitable for space-constrained designs.
• Advanced protection features: It incorporates multiple protection mechanisms to safeguard the battery and the charging circuitry against overvoltage, overcurrent, and overheating.

Package and Quantity

The BQ24163YFFT is available in a compact 20-pin QFN (Quad Flat No-leads) package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current range: 500mA to 3A
• Programmable charge termination current
• Programmable charge voltage
• Battery temperature monitoring
• Thermal regulation and protection
• Power path management
• Integrated reverse blocking FET

Pin Configuration

The BQ24163YFFT features a 20-pin QFN package with the following pin configuration:

1. VBUS
2. AC/DC
3. PGND
4. STAT
5. ISET
6. TS
7. SRN
8. SCL
9. SDA
10. INT
11. CE
12. D+/D-
13. USB
14. BAT
15. SYS
16. TS2
17. TS1
18. VSS
19. VDD
20. ILIM

Functional Features

• Power path management: The IC allows simultaneous charging and system operation, enabling uninterrupted device usage.
• Dynamic power management: It dynamically adjusts the charging current based on the available input power, maximizing charging efficiency.
• Battery temperature monitoring: The BQ24163YFFT monitors the battery temperature to prevent overheating during the charging process.
• Charge termination control: It provides programmable options for terminating the charging process based on user-defined criteria.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures optimal use of power.
• Fast charging capability reduces battery recharge times.
• Compact package size enables integration into space-constrained designs.
• Advanced protection features safeguard the battery and charging circuitry.

Disadvantages

• Limited availability of alternative models from other manufacturers.
• Requires careful consideration of application-specific requirements due to its specific functionality.

Working Principles

The BQ24163YFFT operates by regulating the charging current and voltage supplied to the lithium-ion battery. It continuously monitors the battery status, adjusting the charging parameters accordingly. The IC employs a power path management technique that allows the device to operate while simultaneously charging the battery. This ensures uninterrupted usage even when the battery is low.

Detailed Application Field Plans

The BQ24163YFFT finds applications in various electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - Portable gaming consoles

Alternative Models

While the BQ24163YFFT is a highly capable IC, alternative models with similar functionalities are also available in the market. Some notable alternatives include: - BQ24160YFFR - LTC4000-1 - MAX1555EZK+ - MCP73871-2CCI/ML

These alternative models offer similar charging capabilities and protection features, providing options for designers based on their specific requirements.

In conclusion, the BQ24163YFFT is a versatile integrated circuit designed for efficient and fast charging of lithium-ion batteries. Its compact package, advanced protection features, and power management capabilities make it suitable for various portable electronic devices.

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