BQ2004PN

Product Overview

Category

BQ2004PN belongs to the category of battery charge controllers.

Use

The BQ2004PN is primarily used for controlling and monitoring the charging process of rechargeable batteries.

Characteristics

• Efficient charging algorithm
• Wide input voltage range
• High accuracy in voltage and current regulation
• Low power consumption
• Compact package size

Package

BQ2004PN is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of BQ2004PN lies in its ability to accurately control and regulate the charging process of batteries, ensuring optimal performance and longevity.

Packaging/Quantity

BQ2004PN is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Charge Voltage Regulation Accuracy: ±1%
• Charge Current Regulation Accuracy: ±5%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOP-8

Detailed Pin Configuration

The BQ2004PN features the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. BAT - Battery voltage sense input
4. TS - Temperature sense input
5. PROG - Programming pin for setting charge parameters
6. STAT - Status output pin
7. VSS - Negative terminal of the sense resistor
8. VDD - Positive terminal of the sense resistor

Functional Features

• Constant voltage and constant current charging modes
• Automatic termination of charging when battery is fully charged
• Temperature monitoring for safe charging
• Programmable charge parameters for customization
• LED status indication for easy monitoring

Advantages and Disadvantages

Advantages

• Accurate and efficient charging algorithm
• Wide input voltage range allows compatibility with various power sources
• High accuracy in voltage and current regulation ensures optimal battery performance
• Low power consumption for energy efficiency
• Compact package size enables space-saving designs

Disadvantages

• Limited to SOP-8 package, may not be suitable for all applications requiring different package types
• Programming of charge parameters may require technical expertise

Working Principles

The BQ2004PN operates based on a constant voltage and constant current charging principle. It regulates the charging process by monitoring the battery voltage and current, adjusting the charging parameters accordingly. The charge algorithm ensures that the battery is charged efficiently and safely.

Detailed Application Field Plans

The BQ2004PN finds application in various fields, including: 1. Portable electronic devices 2. Electric vehicles 3. Solar power systems 4. Industrial equipment 5. Medical devices

Detailed and Complete Alternative Models

Some alternative models to BQ2004PN include: 1. BQ2002PN 2. BQ2003PN 3. BQ2005PN 4. BQ2006PN 5. BQ2007PN

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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