BQ24018DRCTG4

Product Overview

Category

BQ24018DRCTG4 belongs to the category of battery charging and management integrated circuits (ICs).

Use

This product is primarily used for charging and managing lithium-ion batteries in various electronic devices.

Characteristics

• Integrated circuit designed for battery charging and management
• Specifically optimized for lithium-ion batteries
• Offers a range of features for efficient and safe charging
• Compact and versatile design suitable for various applications

Package

BQ24018DRCTG4 is available in a small outline package (SOP) with 10 pins.

Essence

The essence of BQ24018DRCTG4 lies in its ability to provide reliable and efficient charging and management of lithium-ion batteries, ensuring optimal performance and safety.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.4V
• Charging current: Up to 1.5A
• Operating temperature range: -40°C to +85°C
• Standby current: Less than 100µA

Pin Configuration

The BQ24018DRCTG4 IC has the following pin configuration:

1. VBUS: Input voltage from USB or power source
2. PG: Power good output indicating charging status
3. STAT: Status output indicating charging state
4. TS: Temperature sense input for thermal regulation
5. PROG: Charge current programming input
6. EN: Enable input for enabling/disabling charging
7. GND: Ground reference
8. BAT: Battery connection terminal
9. SRN: Sense resistor connection for charge current sensing
10. SYS: System voltage output

Functional Features

• Integrated power FET for charging control
• Thermal regulation to prevent overheating
• Charge status indication through PG and STAT outputs
• Programmable charge current for flexibility
• Enable input for easy control of charging process
• Reverse blocking protection for battery safety

Advantages and Disadvantages

Advantages

• Efficient and reliable charging of lithium-ion batteries
• Compact and versatile design suitable for various applications
• Programmable charge current allows customization
• Thermal regulation ensures safe operation
• Reverse blocking protection enhances battery safety

Disadvantages

• Limited to lithium-ion battery charging only
• Requires external sense resistor for accurate current sensing

Working Principles

BQ24018DRCTG4 operates by regulating the charging current and voltage supplied to the connected lithium-ion battery. It incorporates an integrated power FET that controls the charging process, ensuring efficient and safe charging. The IC also includes thermal regulation to prevent overheating and reverse blocking protection for battery safety.

Detailed Application Field Plans

BQ24018DRCTG4 is widely used in various electronic devices that require lithium-ion battery charging and management. Some common application fields include:

1. Mobile phones and smartphones
2. Tablets and portable computers
3. Portable gaming devices
4. Wearable devices
5. Portable medical devices
6. Portable audio players
7. GPS navigation systems
8. Digital cameras and camcorders

Detailed and Complete Alternative Models

1. BQ24014RHLR
2. BQ24032ARHLR
3. BQ24072RGTT
4. BQ24075RGTR
5. BQ24079RGTT

These alternative models offer similar functionality and can be considered as alternatives to BQ24018DRCTG4 based on specific requirements and application needs.

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