BQ24014DRCR

Product Overview

Category

BQ24014DRCR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a battery charger for portable electronic devices.

Characteristics

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 4.2V to 4.5V
• Charging current: up to 1A
• Low quiescent current: 55µA
• Integrated power FET and current sensor
• Thermal regulation and protection
• Programmable charge termination
• Status indication through LED or GPIO

Package

BQ24014DRCR is available in a small 10-pin VSON package.

Essence

The essence of BQ24014DRCR lies in its ability to efficiently charge lithium-ion batteries while providing various protection features.

Packaging/Quantity

This product is typically sold in reels, with 2500 units per reel.

Specifications

• Input voltage: 4.35V to 6.45V
• Output voltage: 4.2V to 4.5V
• Charging current: up to 1A
• Quiescent current: 55µA
• Operating temperature range: -40°C to +85°C
• Package type: 10-pin VSON

Detailed Pin Configuration

1. EN (Enable): Enable pin for controlling the charging process.
2. STAT (Status): Provides charging status information.
3. PG (Power Good): Indicates when the output voltage is within the desired range.
4. TS (Thermal Sense): Connects to an external thermistor for thermal regulation.
5. ISET (Current Set): Sets the charging current limit.
6. GND (Ground): Ground reference for the IC.
7. VSS (Supply Voltage): Input supply voltage.
8. BAT (Battery): Connects to the positive terminal of the battery.
9. SYS (System): Connects to the system load.
10. VDD (Digital Supply Voltage): Digital supply voltage for the IC.

Functional Features

• Integrated power FET and current sensor for efficient charging.
• Programmable charge termination based on battery voltage or timer.
• Thermal regulation and protection to prevent overheating.
• Status indication through LED or GPIO for easy monitoring.
• Low quiescent current for minimal power consumption during standby.

Advantages and Disadvantages

Advantages

• Efficient charging with integrated power FET and current sensor.
• Programmable charge termination for optimal battery health.
• Thermal regulation and protection ensure safe operation.
• Status indication allows for easy monitoring.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited input voltage range may not be suitable for all applications.
• Output voltage range may not be compatible with certain devices.

Working Principles

BQ24014DRCR operates by regulating the charging current and voltage to safely charge lithium-ion batteries. It incorporates an integrated power FET and current sensor, which efficiently control the charging process. The charge termination can be programmed based on battery voltage or a timer, ensuring optimal battery health. The IC also features thermal regulation and protection mechanisms to prevent overheating. The status indication through LED or GPIO provides real-time information about the charging process.

Detailed Application Field Plans

BQ24014DRCR is widely used in various portable electronic devices, including smartphones, tablets, digital cameras, and portable media players. Its compact size, efficient charging capabilities, and built-in protection features make it an ideal choice for these applications. Additionally, its low quiescent current ensures minimal power consumption during standby, prolonging the battery life of the devices.

Detailed and Complete Alternative Models

• BQ24014EVM: Evaluation module for BQ24014DRCR.
• BQ24015: Similar battery charger IC with different specifications.
• BQ24016: Battery charger IC with higher charging current capability.
• BQ24017: Battery charger IC with lower quiescent current.
• BQ24018: Battery charger IC with additional features like USB OTG support.

These alternative models offer similar functionality to BQ24014DRCR but may have different specifications or additional features, providing flexibility for various application requirements.

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