BQ24070RHLT

Product Overview

Category

BQ24070RHLT 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
• Compact size
• Low power consumption
• Fast charging capability
• Overvoltage and overcurrent protection

Package

BQ24070RHLT is available in a small outline transistor (SOT) package, which ensures easy integration into various electronic devices.

Essence

The essence of BQ24070RHLT lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of BQ24070RHLT units. The exact packaging and quantity may vary depending on the supplier.

Specifications

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

Detailed Pin Configuration

BQ24070RHLT features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. STAT: Status output pin
4. PG: Power good output pin
5. TS: Temperature sense input pin
6. VBAT: Battery voltage sense input pin
7. PROG: Charge current programming pin
8. ISET: Current limit setting pin

Functional Features

1. High Charging Efficiency

BQ24070RHLT incorporates advanced charging algorithms and power management techniques to ensure high charging efficiency, minimizing energy loss during the charging process.

2. Fast Charging Capability

With a maximum charging current of 1.5A, this IC enables rapid charging of lithium-ion batteries, reducing the overall charging time for portable electronic devices.

3. Overvoltage and Overcurrent Protection

BQ24070RHLT includes built-in protection mechanisms to prevent overvoltage and overcurrent conditions, safeguarding both the battery and the charging circuitry from potential damage.

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced energy consumption.
• Fast charging capability minimizes device downtime.
• Integrated protection features enhance safety and reliability.
• Compact size allows for easy integration into various electronic devices.

Disadvantages

• Limited compatibility with other battery chemistries.
• Requires proper thermal management to prevent overheating.

Working Principles

BQ24070RHLT operates based on a constant current/constant voltage (CC/CV) charging algorithm. Initially, it supplies a constant current to the battery until a predefined voltage threshold is reached. Then, it switches to a constant voltage mode, maintaining the voltage at the threshold level while gradually reducing the charging current. This approach ensures efficient and safe charging of lithium-ion batteries.

Detailed Application Field Plans

BQ24070RHLT finds extensive application in the following fields:

1. Smartphones and tablets
2. Wearable devices
3. Portable medical devices
4. Wireless communication devices
5. Portable gaming consoles

Detailed and Complete Alternative Models

1. BQ24071RHLT
2. BQ24072RHLT
3. BQ24073RHLT
4. BQ24074RHLT
5. BQ24075RHLT

These alternative models offer similar functionality and characteristics to BQ24070RHLT, providing flexibility in choosing the most suitable IC for specific battery charging applications.

In conclusion, BQ24070RHLT is a highly efficient and compact integrated circuit designed for charging lithium-ion batteries in portable electronic devices. Its advanced features, such as fast charging capability and built-in protection mechanisms, make it an ideal choice for various applications in the consumer electronics industry.

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