BQ500211RGZT - English Editing Encyclopedia Entry

Product Overview

Category

BQ500211RGZT belongs to the category of wireless power transfer integrated circuits (ICs).

Use

This product is primarily used for wireless charging applications, enabling the transfer of power between a transmitter and a receiver without the need for physical connectors.

Characteristics

• Wireless power transfer capability
• Integrated circuit design
• Compact package size
• High efficiency charging
• Advanced safety features

Package and Quantity

The BQ500211RGZT is available in a small form factor package, typically measuring 5mm x 5mm. It is commonly supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input voltage range: 4.5V - 16V
• Output voltage range: 4.5V - 16V
• Maximum output current: 2A
• Operating frequency: 110kHz - 205kHz
• Efficiency: Up to 90%
• Protection features: Overvoltage, overcurrent, and thermal protection

Pin Configuration

The BQ500211RGZT has the following pin configuration:

1. VDD - Power supply input
2. GND - Ground reference
3. TXD - Transmitter data input
4. RXD - Receiver data output
5. EN - Enable pin
6. SDA - I2C serial data input/output
7. SCL - I2C serial clock input
8. IRQ - Interrupt request output

Functional Features

• Integrated communication protocol for efficient power transfer
• Dynamic power control for optimal charging performance
• Foreign object detection to prevent unsafe charging conditions
• Adaptive coil tuning for improved power transfer efficiency
• Support for multiple wireless charging standards (e.g., Qi)

Advantages and Disadvantages

Advantages

• Enables convenient wireless charging without physical connectors
• Compact size allows for integration into various devices
• High efficiency charging reduces energy waste
• Advanced safety features protect against overvoltage and overcurrent conditions

Disadvantages

• Requires compatible wireless charging receivers in devices
• Limited range compared to wired charging methods
• Relatively higher cost compared to traditional charging solutions

Working Principles

The BQ500211RGZT operates based on the principle of magnetic induction. The transmitter generates an alternating magnetic field, which is received by the receiver coil. This induces a voltage in the receiver coil, which is then rectified and used to charge the device's battery.

Application Field Plans

The BQ500211RGZT is suitable for a wide range of wireless charging applications, including: - Smartphones and tablets - Wearable devices (smartwatches, fitness trackers) - Automotive applications (wireless charging pads in vehicles) - Industrial equipment - Medical devices

Alternative Models

For users seeking alternative options, the following wireless power transfer ICs can be considered: 1. BQ50002 - A high-power wireless charging IC with support for up to 5A output current. 2. BQ51013B - A compact wireless power receiver IC designed for low-power applications. 3. BQ51221 - An advanced wireless power transmitter IC with integrated foreign object detection.

These alternative models offer different features and specifications to cater to specific application requirements.

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