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STWLC03JR
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STWLC03JR

Product Overview

Category

STWLC03JR belongs to the category of wireless power receiver ICs.

Use

This product is used for wireless power transfer applications, enabling the wireless charging of devices such as smartphones, tablets, and wearable devices.

Characteristics

  • Efficient wireless power transfer
  • Compact size
  • High power conversion efficiency
  • Integrated protection features
  • Wide input voltage range

Package

STWLC03JR is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of STWLC03JR lies in its ability to provide efficient wireless power transfer while maintaining a compact size and high power conversion efficiency.

Packaging/Quantity

STWLC03JR is typically packaged in reels or trays, with a quantity of 3000 units per reel/tray.

Specifications

  • Input Voltage Range: 4.5V - 20V
  • Output Voltage: 5V
  • Maximum Output Current: 1.5A
  • Operating Frequency: 110kHz - 205kHz
  • Efficiency: Up to 85%
  • Standby Power Consumption: <100mW

Detailed Pin Configuration

  1. VDD_IN: Input voltage supply
  2. GND: Ground
  3. VOUT: Output voltage
  4. EN: Enable pin
  5. IRQ: Interrupt request pin
  6. SDA: I2C data line
  7. SCL: I2C clock line
  8. TS: Thermal shutdown pin

Functional Features

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

Advantages and Disadvantages

Advantages

  • High power conversion efficiency
  • Compact size
  • Wide input voltage range
  • Integrated protection features

Disadvantages

  • Limited maximum output current (1.5A)
  • Requires an external power source

Working Principles

STWLC03JR operates based on the principle of inductive coupling. It consists of a receiver coil, rectifier circuitry, regulator circuitry, and control logic. When placed near a compatible wireless charging transmitter, the receiver coil captures the magnetic field and converts it into electrical energy. The rectifier circuitry converts the AC signal into DC, which is then regulated to provide a stable output voltage.

Detailed Application Field Plans

STWLC03JR is suitable for various wireless charging applications, including: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable medical devices - IoT devices

Detailed and Complete Alternative Models

  1. STWLC04JR: Similar to STWLC03JR but with higher maximum output current (2A).
  2. STWLC05JR: Enhanced version with additional features such as communication protocol support.
  3. STWLC06JR: Higher power variant capable of delivering up to 3A output current.

These alternative models offer increased capabilities and flexibility for different wireless charging requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von STWLC03JR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of STWLC03JR in technical solutions:

  1. Q: What is STWLC03JR? A: STWLC03JR is a wireless power receiver IC (Integrated Circuit) designed for applications that require wireless charging.

  2. Q: What are the key features of STWLC03JR? A: The key features of STWLC03JR 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 STWLC03JR? A: STWLC03JR is commonly used in smartphones, tablets, wearable devices, and other portable electronics that support wireless charging.

  4. Q: How does STWLC03JR achieve high efficiency in wireless charging? A: STWLC03JR incorporates advanced power management techniques, such as synchronous rectification and adaptive power control, to maximize energy transfer efficiency.

  5. Q: Does STWLC03JR support multiple wireless charging standards? A: Yes, STWLC03JR supports various industry-standard wireless charging protocols, including Qi, PMA, and AirFuel.

  6. Q: Can STWLC03JR be used in fast charging applications? A: Yes, STWLC03JR supports fast charging modes, enabling quicker charging times for compatible devices.

  7. Q: Does STWLC03JR have any built-in safety features? A: Yes, STWLC03JR includes integrated protection mechanisms like overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe charging operations.

  8. Q: What is the standby power consumption of STWLC03JR? A: STWLC03JR has a low standby power consumption, typically in the microampere range, to minimize energy wastage when not actively charging.

  9. Q: Can STWLC03JR be used in both receiver and transmitter applications? A: No, STWLC03JR is specifically designed as a wireless power receiver IC and is not suitable for use as a transmitter.

  10. Q: Are there any evaluation boards or reference designs available for STWLC03JR? A: Yes, STMicroelectronics provides evaluation boards and reference designs that can help developers quickly integrate STWLC03JR into their products.

Please note that these answers are general and may vary depending on specific product documentation and application requirements.