Product Description

ISSUE DATE: 2020-2-19
Revision No.: 0.1
Specification No: WTM1B15
Page: 4 of 16
MODEL NO：WTM1B15 Transmitter of WPC QI EPP
ENGINEERING SPECIFICATION SHEET
1 SCOPE
This document describes the basic electrical characteristics of WTM1B15 wireless power transmitter
module. WTM1B15 is designed based on the technology of electromagnetic induction.
It is a widely used module for many different applications. This is a new concept of charging devices
without any wires and cords.
1.1 GENERAL DESCRIPTION
WTM1B15 is a Wireless Power Consortium (WPC) Qi 1.2.4 compatible wireless power transmitter module.
This transmitter module is Qi certified and can function with devices compatible to Qi standard. This
excellent and highly integrated transmitter module is using magnetic induction process technology with
stable performance and high reliability. This specification defines the performance characteristics ( include
electrical function, EMC, safety, and product test requirements and so on) of a internal signal coil wireless
charger (transmitter), which provide configurable charging mode to support WPC Qi 1.2.4 standard.
2 ELECTRICAL SPECIFICATION
2.1 DESIGN STANDARDS
WTM1B15 with follow WPC QI Wireless Power Transfer System Power Class 0 Specification Power
Transmitter MP-A11.
.