BQ24100RHLR

Product Overview

Category

BQ24100RHLR belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices to efficiently charge lithium-ion batteries.

Characteristics

• High charging efficiency
• Fast charging capability
• Integrated power management features
• Compact size
• Low power consumption

Package

BQ24100RHLR is available in a small outline package (SOP) with a thermal pad for effective heat dissipation.

Essence

The essence of BQ24100RHLR lies in its ability to provide reliable and efficient charging solutions for lithium-ion batteries in portable electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of BQ24100RHLR ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current: Up to 1.5A
• Programmable charge termination current
• Programmable charge voltage
• Thermal regulation and protection
• Battery temperature monitoring
• Overvoltage and overcurrent protection

Detailed Pin Configuration

BQ24100RHLR features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. TS: Temperature sense pin
4. STAT: Status output pin
5. EN: Enable control pin
6. ISET: Charge current setting pin
7. VBAT: Battery voltage pin
8. VSS: Negative battery terminal pin
9. PROG: Programming pin
10. VCC: Positive battery terminal pin

Functional Features

• Constant current/constant voltage charging
• Charge termination based on programmable parameters
• Thermal regulation to prevent overheating
• Battery temperature monitoring for safety
• Charging status indication through the STAT pin
• Enable/disable control through the EN pin
• Programmable charge current setting through the ISET pin

Advantages and Disadvantages

Advantages

• High charging efficiency leads to faster charging times
• Integrated power management features optimize battery performance
• Compact size allows for easy integration into portable devices
• Low power consumption helps conserve energy

Disadvantages

• Limited charging current capacity compared to some other ICs in the market
• May require additional external components for certain applications

Working Principles

BQ24100RHLR operates on the principle of constant current/constant voltage charging. It regulates the charging current and voltage to ensure safe and efficient charging of lithium-ion batteries. The IC monitors the battery temperature, input voltage, and charging status to provide optimal charging conditions.

Detailed Application Field Plans

BQ24100RHLR is widely used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth headphones

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to BQ24100RHLR are: - BQ24075RGTR - MCP73831T-2ACI/OT - LTC4054LES5-4.2

These alternative models can be considered based on specific application requirements and availability.

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