BQ24061DRCT

Product Overview

Category

BQ24061DRCT belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging single-cell lithium-ion or lithium-polymer batteries in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 4.2V to 4.5V
• Charging current up to 1.5A
• Integrated power FET
• Thermal regulation and protection
• Charge status indication
• Small form factor package

Package

BQ24061DRCT is available in a small 10-pin SON (DFN) package, which offers compactness and ease of integration into various device designs.

Essence

The essence of BQ24061DRCT lies in its ability to efficiently charge lithium-ion or lithium-polymer batteries while providing necessary protection features and maintaining thermal regulation.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Output Voltage Range: 4.2V to 4.5V
• Charging Current: Up to 1.5A
• Operating Temperature Range: -40°C to +85°C
• Battery Regulation Accuracy: ±0.5%
• Charge Termination Accuracy: ±5mV
• Standby Current: <100µA
• Overvoltage Protection Threshold: 4.65V
• Undervoltage Lockout Threshold: 3.4V

Detailed Pin Configuration

1. VBUS: Input voltage from USB port
2. STAT: Charge status indication output
3. PG: Power good indication output
4. TS: Thermal regulation input
5. EN: Enable input
6. ISET: Charging current setting input
7. BAT: Battery voltage sense input
8. GND: Ground
9. VSS: Negative terminal of the battery
10. VDD: Positive terminal of the battery

Functional Features

• Integrated power FET for efficient charging
• Thermal regulation to prevent overheating
• Charge status indication for user feedback
• Power good indication for system control
• Adjustable charging current for flexibility
• Overvoltage and undervoltage protection for battery safety

Advantages and Disadvantages

Advantages

• High charging efficiency
• Compact form factor
• Wide input voltage range
• Accurate battery regulation
• Comprehensive protection features

Disadvantages

• Limited charging current compared to some other models
• Requires external thermal regulation mechanism in certain applications

Working Principles

BQ24061DRCT operates by regulating the charging current and voltage supplied to the connected lithium-ion or lithium-polymer battery. It utilizes an integrated power FET to efficiently transfer power from the input source to the battery. The device monitors the battery voltage, temperature, and charge status to ensure safe and optimal charging.

Detailed Application Field Plans

BQ24061DRCT finds extensive application in various portable electronic devices that require single-cell lithium-ion or lithium-polymer battery charging. Some specific application fields include: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable medical devices - Portable audio players

Detailed and Complete Alternative Models

1. BQ24070RHLR
2. MCP73831T-2ACI/OT
3. MAX1555EZK+T
4. LTC4054LES5-4.2
5. TPS2513EVM-001

These alternative models offer similar functionality and can be considered as alternatives to BQ24061DRCT based on specific application requirements.

In conclusion, BQ24061DRCT is a versatile integrated circuit designed for efficient charging of single-cell lithium-ion or lithium-polymer batteries in portable electronic devices. Its compact size, comprehensive protection features, and wide input voltage range make it an ideal choice for various applications.