BQ24166RGER

Product Overview

Category

BQ24166RGER belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

• High charging efficiency
• Wide input voltage range
• Programmable charging current
• Integrated power path management
• Thermal regulation and protection
• Small form factor

Package

BQ24166RGER is available in a small 24-pin VQFN package, which allows for easy integration into compact electronic devices.

Essence

The essence of BQ24166RGER lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 3.9V to 17V
• Charging Voltage Range: 3.5V to 4.44V
• Charging Current Range: 128mA to 3072mA
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 95%
• Standby Current: <100µA

Detailed Pin Configuration

1. EN (Enable)
2. STAT (Status)
3. PG (Power Good)
4. TS (Thermal Sense)
5. ISET (Charging Current Set)
6. PROG (Programmable Input Current Limit)
7. ILIM (Input Current Limit)
8. BAT (Battery Connection)
9. SYS (System Connection)
10. GND (Ground)
11. TS/NTC (Thermal Sense or NTC Thermistor)
12. TS/NTC (Thermal Sense or NTC Thermistor)
13. VBUS (Input Voltage)
14. VBUS (Input Voltage)
15. VBUS (Input Voltage)
16. VBUS (Input Voltage)
17. VBUS (Input Voltage)
18. VBUS (Input Voltage)
19. VBUS (Input Voltage)
20. VBUS (Input Voltage)
21. VBUS (Input Voltage)
22. VBUS (Input Voltage)
23. VBUS (Input Voltage)
24. VBUS (Input Voltage)

Functional Features

• Integrated battery charging management
• Dynamic power path management
• Thermal regulation and protection
• Charge termination and safety timers
• Reverse boost capability for USB On-The-Go (OTG) applications

Advantages and Disadvantages

Advantages

• High charging efficiency ensures faster charging times
• Wide input voltage range allows compatibility with various power sources
• Programmable charging current enables customization for different battery capacities
• Integrated power path management allows simultaneous charging and discharging
• Thermal regulation and protection prevent overheating and ensure safe operation
• Small form factor facilitates integration into compact electronic devices

Disadvantages

• Limited availability of alternative models from other manufacturers
• Relatively higher cost compared to some other charging ICs in the market

Working Principles

BQ24166RGER operates based on a switching-mode architecture, which efficiently converts the input voltage to the desired charging voltage for the connected lithium-ion battery. It employs a combination of control algorithms and feedback mechanisms to regulate the charging process, ensuring optimal battery performance and safety.

Detailed Application Field Plans

BQ24166RGER finds extensive application in various portable electronic devices, including smartphones, tablets, smartwatches, fitness trackers, and wireless earbuds. Its ability to provide efficient and reliable battery charging makes it an ideal choice for manufacturers aiming to enhance the user experience and extend battery life in their products.

Detailed and Complete Alternative Models

While BQ24166RGER is a highly capable charging IC, there are alternative models available from other manufacturers that offer similar functionalities. Some notable alternatives include:

1. MCP73871-2CCI/MLI by Microchip Technology Inc.
2. MAX1555EZK+T by Maxim Integrated
3. LTC4054LES5-4.2#TRMPBF by Analog Devices Inc.
4. TPS2513EVM-096 by Texas Instruments Inc.

These alternative models can be considered based on specific requirements, availability, and cost considerations.

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