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Documentation
The following sections document the hardware design of the TSDMRX-5W-EVM. This information can be
used to better understand the functionality of the design, as well as assist in creating your own hardware
solution based on this design.
A. Block Diagram
The TSDMRX-5W-EVM may be divided into a number of sub-blocks as show in the diagram below:
Antenna:
Receive
Antenna:
Transmit
Antenna: Transmit – power source driving the receiver EVM (in this document: part of the TSDMTX-5V-
EVM).
Antenna: Receive – coil of wire placed in proximity to the transmit antenna to power the EVM receiver
system.
Rectify and Regulate – based on the TS51111 High Efficiency Synchronous Rectifier and Charging IC
which performs all power supply operations – rectification of input power from antenna through
conversion of resultant DC into regulated 5 volt output at up to 1 ampere.
Controller – based on the TS81000 High Efficiency Receiver Controller for Wireless Power Systems.
Powered by the TS51111, the TS81000 collects voltage, current, and temperature feedback signals from
the receiver system, controls the actions of the TS51111, and provides control signals to direct the power
provided by the transmitter system which is passed through the antennas via the TS51111.
USB/J2 – Either port provides 5 VDC output to the user-selected recipient of the received power at up to
one ampere. The USB port provides convenient interface to USB powered devices, and J2 allows test
probes to be easily attached for experimentation in the lab.
Wireless Charging
User Guide
Rev 2.0
TSDMRX-5W-EVM
Jun 2016
Control
&
Communicate
TS81000
P ower
Rectify
&
Regulate
C ontrol
TS51111
www.semtech.com
USB/ J2
5V @ up to 1A
Battery
/
Load
7 of 15
Semtech
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