STMicroelectronics
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STWBC-WATR
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STWBC-WATR

Product Overview

  • Category: Wireless Charging Transmitter
  • Use: Enables wireless charging of devices
  • Characteristics:
    • High efficiency charging
    • Compact size
    • Easy integration into various devices
  • Package: Small form factor package
  • Essence: Transmits power wirelessly to charge devices
  • Packaging/Quantity: Available in bulk packaging

Specifications

  • Input Voltage: 5V
  • Output Voltage: 5V
  • Output Current: 1A
  • Operating Frequency: 100-205 kHz
  • Efficiency: >80%
  • Dimensions: 25mm x 25mm x 2mm
  • Weight: 5 grams

Detailed Pin Configuration

The STWBC-WATR has the following pin configuration:

  • Pin 1: VDD (Power supply)
  • Pin 2: GND (Ground)
  • Pin 3: TX (Transmit data)
  • Pin 4: RX (Receive data)

Functional Features

  • Wireless charging capability
  • Supports Qi standard
  • Overvoltage and overcurrent protection
  • Foreign object detection
  • LED indicator for charging status

Advantages and Disadvantages

Advantages: - High charging efficiency - Compact size for easy integration - Compatible with Qi standard devices - Reliable overvoltage and overcurrent protection

Disadvantages: - Limited output current (1A) - Requires compatible devices for wireless charging

Working Principles

The STWBC-WATR operates based on the principle of electromagnetic induction. It generates an alternating magnetic field, which is received by a compatible device equipped with a wireless charging receiver. The received energy is then converted back into electrical energy to charge the device's battery.

Detailed Application Field Plans

The STWBC-WATR can be used in various applications, including: - Smartphones - Tablets - Smartwatches - Wireless earbuds - IoT devices

Detailed and Complete Alternative Models

  1. STWBC-WATR2:

    • Higher output current (2A)
    • Enhanced foreign object detection
    • Smaller form factor

  2. STWBC-WATR Plus:

    • Dual-coil design for better charging efficiency
    • Adjustable charging position
    • Integrated temperature monitoring

  3. STWBC-WATR Pro:

    • Higher power output (up to 10W)
    • Multiple device charging capability
    • Advanced thermal management system

  4. STWBC-WATR Lite:

    • Lower cost option with basic wireless charging functionality
    • Single-coil design
    • Simplified pin configuration

Note: The above alternative models are provided as examples and may not reflect the actual product offerings.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق STWBC-WATR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of STWBC-WATR in technical solutions:

  1. Q: What is STWBC-WATR?
    A: STWBC-WATR stands for ST Wireless Battery Charger - Wireless Automotive Transmitter. It is a wireless charging solution specifically designed for automotive applications.

  2. Q: How does STWBC-WATR work?
    A: STWBC-WATR uses inductive coupling to transfer power wirelessly from a transmitter (charging pad) to a receiver (vehicle's battery). It operates on the principle of magnetic resonance.

  3. Q: What are the advantages of using STWBC-WATR in automotive applications?
    A: Some advantages include convenience of wireless charging, elimination of physical connectors, improved safety by reducing electrical contacts, and flexibility in charging positions.

  4. Q: Can STWBC-WATR be integrated into existing vehicles?
    A: Yes, STWBC-WATR can be retrofitted into existing vehicles with compatible batteries and charging systems. However, it may require some modifications to the vehicle's electrical system.

  5. Q: What is the maximum power output of STWBC-WATR?
    A: The maximum power output depends on the specific implementation and configuration. STWBC-WATR supports power levels up to 11 kW.

  6. Q: Is STWBC-WATR compatible with all types of electric vehicles?
    A: STWBC-WATR is compatible with most electric vehicles that use rechargeable lithium-ion batteries. However, compatibility may vary depending on the specific vehicle model and battery technology.

  7. Q: Does STWBC-WATR support fast charging?
    A: Yes, STWBC-WATR supports fast charging capabilities. It can deliver high power levels to enable faster charging times compared to traditional wired charging methods.

  8. Q: Are there any safety concerns with STWBC-WATR?
    A: STWBC-WATR incorporates various safety features such as overvoltage protection, overcurrent protection, and foreign object detection to ensure safe and reliable charging operations.

  9. Q: Can STWBC-WATR be used in outdoor environments?
    A: Yes, STWBC-WATR is designed to withstand outdoor conditions. It is built to be weather-resistant and can operate reliably in a wide range of temperatures.

  10. Q: Is STWBC-WATR compatible with wireless charging standards from other manufacturers?
    A: STWBC-WATR complies with the Qi wireless charging standard, which is widely adopted by various manufacturers. It ensures interoperability with other Qi-compatible devices.