BQ24162YFFR - English Editing Encyclopedia Entry

Product Overview

Category

BQ24162YFFR 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

• High efficiency: The BQ24162YFFR offers high charging efficiency, ensuring optimal use of power during the charging process.
• Fast charging capability: It supports fast charging protocols, enabling quick recharge times for compatible devices.
• Compact package: The IC is housed in a small form factor package, making it suitable for space-constrained designs.
• Advanced safety features: It incorporates multiple protection mechanisms to prevent overcharging, overvoltage, and overheating, ensuring safe and reliable charging.

Package and Quantity

The BQ24162YFFR is available in a compact 20-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a specified quantity of ICs, commonly ranging from 1000 to 5000 units per reel.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current range: Up to 3A
• Output voltage range: 3.5V to 4.44V
• Operating temperature range: -40°C to 85°C
• Standby current: Less than 10µA

Pin Configuration

The BQ24162YFFR features a 20-pin QFN package with the following pin configuration:

1. VBUS
2. AC/DPDM
3. AC/DPDP
4. TS
5. ISET
6. STAT
7. PGND
8. VBAT
9. SYS
10. SRN
11. SRP
12. VREF
13. ICHG
14. TS/NTC
15. THERM
16. SDA
17. SCL
18. INT
19. EN
20. GND

Functional Features

• Input current regulation: The IC regulates the input current to prevent overloading the power source.
• Battery temperature monitoring: It includes a temperature sensor for monitoring battery temperature during charging.
• Charge termination: The BQ24162YFFR automatically terminates the charging process when the battery reaches its full capacity.
• USB detection: It can detect the presence of a USB connection and initiate the charging process accordingly.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures optimal use of power.
• Fast charging capability reduces device downtime.
• Compact package allows for space-efficient designs.
• Advanced safety features protect against potential hazards.

Disadvantages

• Limited compatibility: The BQ24162YFFR is specifically designed for lithium-ion batteries and may not be suitable for other battery chemistries.
• Relatively high cost: Compared to simpler charging solutions, this IC may have a higher price point due to its advanced features.

Working Principles

The BQ24162YFFR operates by regulating the charging current and voltage supplied to the connected lithium-ion battery. It continuously monitors the battery's state of charge and adjusts the charging parameters accordingly. The IC employs a switching regulator to efficiently convert the input voltage to the desired output voltage required for charging the battery.

Detailed Application Field Plans

The BQ24162YFFR finds applications in various electronic devices that utilize lithium-ion batteries, including but not limited to: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the BQ24162YFFR: - BQ24160YFFR - BQ24163YFFR - BQ24164YFFR

These models share comparable specifications and features, providing alternative choices for battery charging applications.

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