BQ4802YDWRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ4802YDWRG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for power management and battery charging applications.

Characteristics

• BQ4802YDWRG4 is a high-performance, low-power IC.
• It offers efficient power management capabilities.
• The IC is designed to provide reliable battery charging functionality.
• It supports various charging modes and protection features.

Package

BQ4802YDWRG4 is available in a small form factor package, typically a 20-pin TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of BQ4802YDWRG4 lies in its ability to efficiently manage power and facilitate battery charging in electronic devices.

Packaging/Quantity

This IC is usually packaged in reels or tubes, with a quantity of around 2500 units per reel/tube.

Specifications

• Input Voltage Range: 3.6V - 5.5V
• Output Voltage Range: 4.2V - 4.35V
• Charging Current: Up to 1.5A
• Operating Temperature Range: -40°C to +85°C
• Standby Current: Less than 10µA

Detailed Pin Configuration

The pin configuration of BQ4802YDWRG4 is as follows:

1. VCC
2. GND
3. EN
4. STAT
5. PROG
6. BAT
7. TS
8. ISET
9. VREF
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC

Functional Features

• Battery charging control and management.
• Overvoltage and overcurrent protection.
• Temperature monitoring and thermal regulation.
• Charging status indication.
• Programmable charging parameters.
• Fault detection and reporting.

Advantages and Disadvantages

Advantages

• Efficient power management and battery charging capabilities.
• Wide input voltage range for compatibility with various power sources.
• Comprehensive protection features ensure safe charging.
• Programmable parameters allow customization for different applications.

Disadvantages

• Limited pin configuration options may restrict certain system designs.
• Higher cost compared to simpler charging ICs with fewer features.

Working Principles

BQ4802YDWRG4 operates by regulating the charging current and voltage supplied to a connected battery. It continuously monitors the battery's state, temperature, and charging progress to ensure optimal charging performance while preventing overcharging or overheating.

Detailed Application Field Plans

BQ4802YDWRG4 finds applications in various electronic devices, including: 1. Smartphones and tablets 2. Portable gaming consoles 3. Wearable devices 4. Power banks 5. IoT devices 6. Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to BQ4802YDWRG4 are: 1. BQ24075RGTR 2. LTC4054LES8-4.2 3. MCP73831T-2ATI/OT

These alternatives can be considered based on specific requirements and design constraints.

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