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5W AutoResonant Wireless Power Transmitter

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LTC4125EUFD#TRPBF General Description

The LTC4125 is a simple and high performance monolithic full bridge resonant driver capable of delivering over 5W of power wirelessly to a properly tuned receiver. The device controls the current flow in a series connected transmit coil LC network to create a simple, safe and versatile wireless power transmitter.

Analog Devices, Inc Inventory

Key Features

  • Monolithic 5W Wireless Power Transmitter
  • AutoResonant Switching Frequency Adjusts to Resonant Capacitance and Transmit Coil Inductance*
  • Transmit Power Automatically Adjusts to Receiver Load*
  • Input Voltage Range: 3V to 5.5V
  • Integrated 100mΩ Full Bridge Switches
  • Multiple Foreign Object Detection Methods
  • Programmable Average Input Current Limit and Monitor
  • NTC Input for System/Component Temperature Qualified Power Transfer
  • Wide Operating Switching Frequency Range: 50kHz to 250kHz
  • Thermally Enhanced 4mm × 5mm QFN 20-Lead Package
Analog Devices, Inc Original Stock


  • Hermetically and/or Electrically Insulated Devices
  • Military Sensors and Devices
  • Medical Equipment
  • Industrial Handhelds
Analog Devices, Inc Inventory


Manufacturer: Analog Devices Inc. Product Category: Wireless Charging ICs
RoHS: Y Mounting Style: SMD/SMT
Package / Case: QFN-20 Packaging: Reel
Series: LTC4125 Brand: Analog Devices / Linear Technology
Product Type: Wireless Charging ICs Factory Pack Quantity: 2500
Subcategory: Wireless Charging Tags LTC4125, LTC412, LTC41, LTC4, LTC
Manufacturer Analog Devices Inc. Product Category Wireless Charging ICs
RoHS Details Product Transmitters
Mounting Style SMD/SMT Package / Case QFN-20
Brand Analog Devices Product Type Wireless Charging ICs
Series LTC4125 Factory Pack Quantity 2500
Subcategory Wireless Charging

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After-Sales & Settlement Related

payment Payment

We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

If you have specific preferences or requirements for payment channels, please contact our sales team. 

customers are required to pay all possible fees, including sales tax,customs fees, etc.

shipping Shipping And Packing
Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

warranty Warranty & Returns

Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


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Preliminary Specification LTC4125EUFD#TRPBF PDF Download