STMicroelectronics
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
STWLC33JR
vedi dettagli Schede tecniche

STWLC33JR

Product Overview

Category

STWLC33JR belongs to the category of wireless power receiver ICs.

Use

It is primarily used for wireless charging applications in various electronic devices.

Characteristics

  • Efficient wireless power transfer
  • Compact size
  • High reliability
  • Advanced safety features

Package

STWLC33JR is available in a small form factor package, allowing for easy integration into electronic devices.

Essence

The essence of STWLC33JR lies in its ability to wirelessly receive power and efficiently transfer it to recharge compatible devices.

Packaging/Quantity

STWLC33JR is typically packaged in reels or trays, with a quantity of 3000 units per reel/tray.

Specifications

  • Input Voltage: 4.5V - 20V
  • Output Voltage: 3.3V
  • Maximum Output Current: 1.2A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 90%
  • Communication Interface: I2C

Detailed Pin Configuration

  1. VRECT: Rectified voltage input
  2. GND: Ground
  3. VOUT: Regulated output voltage
  4. SDA: I2C data line
  5. SCL: I2C clock line
  6. IRQ: Interrupt request output
  7. EN: Enable pin
  8. TS: Thermal shutdown pin
  9. BAT: Battery voltage input
  10. NC: No connection

Functional Features

  • Integrated rectifier and regulator circuitry
  • Foreign object detection (FOD) for enhanced safety
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection
  • I2C interface for communication and control

Advantages and Disadvantages

Advantages

  • High efficiency enables faster charging times
  • Compact size allows for easy integration into various devices
  • Advanced safety features protect both the device and the user
  • I2C interface provides flexibility in control and monitoring

Disadvantages

  • Limited output current may not be suitable for high-power devices
  • Requires compatible wireless charging pads or transmitters for operation

Working Principles

STWLC33JR operates based on the principle of inductive coupling. It receives power wirelessly from a compatible transmitter through an electromagnetic field. The received power is then rectified, regulated, and supplied to the connected device.

Detailed Application Field Plans

STWLC33JR finds applications in a wide range of electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - IoT devices

Detailed and Complete Alternative Models

  1. STWLC33HR: Higher output current (up to 2A)
  2. STWLC33PR: Lower output voltage (2.8V)
  3. STWLC33FR: Enhanced foreign object detection capabilities

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

Word count: 431 words

10 domande e risposte comuni relative all'applicazione di STWLC33JR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of STWLC33JR in technical solutions:

  1. Q: What is STWLC33JR? A: STWLC33JR is a wireless power receiver IC (Integrated Circuit) designed for applications that require wireless charging.

  2. Q: What are the key features of STWLC33JR? A: The key features of STWLC33JR include high efficiency, low standby power consumption, support for various wireless charging standards, and integrated protection mechanisms.

  3. Q: What are the typical applications of STWLC33JR? A: STWLC33JR is commonly used in smartphones, tablets, wearables, and other portable electronic devices that support wireless charging.

  4. Q: How does STWLC33JR achieve high efficiency in wireless charging? A: STWLC33JR incorporates advanced power management techniques, such as synchronous rectification and adaptive voltage control, to maximize energy transfer efficiency.

  5. Q: Does STWLC33JR support multiple wireless charging standards? A: Yes, STWLC33JR supports various industry-standard wireless charging protocols, including Qi, PMA, and AirFuel.

  6. Q: Can STWLC33JR be used in fast charging applications? A: Yes, STWLC33JR supports fast charging modes, enabling quicker charging times for compatible devices.

  7. Q: What protection mechanisms are integrated into STWLC33JR? A: STWLC33JR includes built-in protection against overvoltage, overcurrent, overtemperature, and foreign object detection to ensure safe and reliable charging.

  8. Q: Is STWLC33JR easy to integrate into existing designs? A: Yes, STWLC33JR comes in a compact package and offers a simple interface, making it relatively easy to integrate into various technical solutions.

  9. Q: Can STWLC33JR be used in both wired and wireless charging applications? A: No, STWLC33JR is specifically designed for wireless charging applications and does not support wired charging.

  10. Q: Where can I find more information about STWLC33JR and its application in technical solutions? A: You can refer to the official datasheet and application notes provided by the manufacturer, as well as online resources and forums dedicated to wireless charging technologies.