BQ24166YFFR

Product Overview

Category

BQ24166YFFR 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
• Fast charging capability
• Integrated power path management
• Thermal regulation for safe operation
• Programmable charging parameters
• Compact package size

Package

BQ24166YFFR is available in a small form factor package, typically a 20-pin thin QFN (Quad Flat No-Lead) package. This package offers good thermal dissipation properties and is suitable for space-constrained applications.

Essence

The essence of BQ24166YFFR lies in its ability to provide efficient and reliable charging solutions for lithium-ion batteries in portable electronic devices.

Packaging/Quantity

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

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current range: 500mA to 3A
• Programmable charging parameters
• Battery voltage regulation accuracy: ±0.5%
• Operating temperature range: -40°C to +85°C
• Integrated safety features: overvoltage protection, overcurrent protection, thermal regulation, and battery temperature monitoring

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. TS: Thermistor input for battery temperature monitoring
4. ISET: Charging current setting pin
5. STAT: Status output pin
6. CE: Charge enable control pin
7. PROG: Programming pin for charging parameters
8. VBUS: USB input voltage pin
9. VBAT: Battery voltage output pin
10. TS/DPDM: Thermistor input or DPDM (Differential Pair Detection Method) input pin

Functional Features

• Integrated power path management allows simultaneous charging and discharging of the battery.
• Dynamic power management optimizes charging efficiency based on input power availability.
• Thermal regulation prevents overheating during charging, ensuring safe operation.
• Programmable charging parameters enable customization for different battery chemistries and capacities.
• Automatic detection of USB attachment and removal using DPDM simplifies system design.

Advantages and Disadvantages

Advantages

• High charging efficiency leads to shorter charging times.
• Compact package size enables integration into small form factor devices.
• Programmable charging parameters offer flexibility for various battery types.
• Integrated safety features protect the battery and the device from potential damage.

Disadvantages

• Limited input voltage range may not be suitable for all power sources.
• Requires external components for complete charging circuit implementation.
• Not compatible with all battery chemistries.

Working Principles

BQ24166YFFR operates by regulating the charging current and voltage supplied to the lithium-ion battery. It utilizes a switching regulator to efficiently convert the input voltage to the desired charging voltage. The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly to ensure safe and optimal charging.

Detailed Application Field Plans

BQ24166YFFR is widely used in various portable electronic devices that require efficient and reliable battery charging. Some common application fields include:

1. Smartphones
2. Tablets
3. Wearable devices
4. Portable gaming consoles
5. Bluetooth headphones
6. Portable medical devices

Detailed and Complete Alternative Models

1. BQ24160YFFR
2. BQ24163YFFR
3. BQ24168YFFR
4. BQ24169YFFR
5. BQ24170YFFR

These alternative models offer similar functionality and can be considered as replacements for BQ24166YFFR based on specific application requirements.

Note: The content provided above is a sample entry and may not reflect the actual specifications or details of BQ24166YFFR.