Qi Wireless Charging Receiver Coil for Compact Devices

This Qi wireless charging receiver coil is designed for integration into compact electronic devices that require efficient contactless power transfer. Featuring a compact coil structure with ferrite backing, it can be adapted to different device dimensions, electrical parameters, and charging system requirements.

ZYCOIL provides custom wireless charging coil solutions with configurable coil size, inductance, wire specifications, ferrite structure, lead length, and other parameters to support OEM and customized electronic applications.

Product Overview

The wireless charging receiver coil, also known as an Rx coil, receives electromagnetic energy generated by the transmitter coil and converts it into electrical energy for the charging circuit.

Designed for space-limited electronic devices, this receiver coil combines a compact winding structure with ferrite material to support stable energy transfer and help manage electromagnetic interference.

Coil dimensions and electrical characteristics can be customized according to the customer's circuit design, charging requirements, and available installation space.

Key Specifications

*Actual power and electrical performance depend on the coil design, circuit configuration, alignment, operating conditions, and charging system.

Key Features

Compact Coil Design

The compact winding structure is suitable for electronic devices with limited internal installation space. Coil dimensions and thickness can be adjusted according to product design requirements.

Custom Electrical Parameters

Inductance, resistance, wire diameter, number of turns, and other electrical parameters can be customized to match different wireless charging circuits.

Ferrite-Backed Structure

Ferrite material can be integrated with the receiver coil to help guide the magnetic field and reduce unwanted electromagnetic interference with nearby electronic components.

OEM Integration Support

The coil can be developed according to customer drawings, samples, PCB layouts, charging IC requirements, or target electrical specifications.

Custom Wireless Charging Coil Options

ZYCOIL supports customized wireless charging receiver coils for different electronic product designs.

Available customization options include:

• Coil diameter and overall dimensions

• Coil thickness

• Inductance

• Resistance

• Wire diameter and wire type

• Number of turns

• Ferrite size, shape, and thickness

• Lead wire length

• Connector configuration

• Tx and Rx coil requirements

• Electrical performance requirements

For custom projects, customers can provide drawings, samples, installation dimensions, or electrical specifications for evaluation.

Typical Applications

Qi wireless charging receiver coils can be integrated into a variety of compact electronic devices, including:

• Smartphones and mobile accessories

• TWS earphone charging cases

• Smart watches and wearable devices

• Electric toothbrushes

• Beauty and personal care devices

• Handheld electronic equipment

• Smart electronic accessories

• Compact IoT devices

Different applications may require different coil dimensions, inductance values, power levels, and ferrite structures. Custom designs can therefore be developed according to the specific device requirements.

Manufacturing & Quality Control

ZYCOIL focuses on the development and manufacturing of custom coils for electronic applications. During production, key coil characteristics can be inspected according to project specifications.

Inspection items may include:

• Coil dimensions

• Inductance

• DC resistance

• Winding consistency

• Lead wire and terminal configuration

• Appearance and structural inspection

• Electrical parameter verification

For customized projects, samples can be evaluated before proceeding with production.

Why Choose ZYCOIL for Wireless Charging Coils?

Custom Coil Development

Wireless charging coils can be developed according to customer drawings, electrical specifications, samples, or application requirements.

Flexible Design Options

Coil dimensions, winding parameters, ferrite structures, lead wires, and connectors can be adjusted for different product designs.

Support for Compact Electronics

Miniature receiver coil configurations are available for applications where installation space and coil thickness are important considerations.

Prototype to Production Support

ZYCOIL can support customized coil projects from sample development and parameter verification through production according to project requirements.

FAQ

What is a wireless charging receiver coil?

A wireless charging receiver coil, or Rx coil, receives electromagnetic energy from a transmitter coil and supplies the transferred energy to the device's charging circuit.

Can the coil dimensions be customized?

Yes. Coil diameter, thickness, winding dimensions, ferrite size, and other structural parameters can be customized according to the available installation space.

Can you customize the inductance and resistance?

Yes. Inductance, resistance, wire specifications, and number of turns can be adjusted according to the electrical requirements of the project.

Can you develop a coil according to our drawing or sample?

Yes. Customers can provide drawings, samples, PCB layouts, installation dimensions, or target electrical parameters for evaluation and customized development.

What information should I provide for a custom wireless charging coil?

For faster evaluation, please provide the required coil dimensions, inductance, resistance, power requirements, installation space, circuit information, drawing, or existing sample where available.

Need a Custom Wireless Charging Receiver Coil?

Looking for a wireless charging coil for a new electronic product or an existing charging system?

Send ZYCOIL your coil dimensions, electrical specifications, drawing, PCB information, or sample requirements. Our team can evaluate your application and recommend a suitable custom wireless charging coil solution.

Contact us for custom coil specifications, samples, and quotation.