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User Guide Rev 2.0

www.semtech.com

20 of27

TSDMTX-19V3-EVM

May-18

Semtech

Tx coil Specifications:

Vendor

Part Number

Inductance DCR(typ.) Dimension

Wurth Electronics

760308110

24uH

0.07

Ω

53.3mmX53.3mm

Attention:

1.

Resonance capacitors (C32,C33) should be COG capacitor, it should any Qi products certified to WPC
1.2.2 or higher as a receiver;

2.

Current sense resistor (R11) should be 1% 75PPM/C or better.

Coil size 53mmX53mm

TSDMRX-19V20W-EVM coil specification:

Vendor

Part Number

Inductance DCR(typ.) Dimension

ABRACON AWCCA-RX350300-101 25uH±10% 0.15

Ω

Ø35.00x3.15mm

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Содержание TSDMTX-19V3-EVM

Страница 1: ...TSDMTX 19V3 EVM Wireless Charging Transmitter www semtech com WIRELESS CHARGING User Guide LinkCharge 20 Series Wireless Charging 3rd Generation V3 Transmitter...

Страница 2: ...olutions for wireless charging systems Semtech offers a range of solutions to meet the needs of a wide range of system developers Developers are provided with all the information on how this EVM was b...

Страница 3: ...object and will shut down the transfer to prevent any significant amount of power being absorbed by anything but a proper receiver The intelligent management of the wireless power transmission proces...

Страница 4: ...nsmitter In addition the evaluator can also use any existing Qi compliant product though the limited access these devices offer may make the range of experiments that can be performed more limited Tho...

Страница 5: ...o so until the receiver is removed from the target zone Similarly any other detected error will also abort the charging process indicated by a steady red LED that remains lit until the receiver is tak...

Страница 6: ...communicates with the transmitter actively directing the process In this way it is assured that power is only sent by how much it is required by an available and desirous receiver and in the way that...

Страница 7: ...of possible options to choose from The optimal load to select would be a Programmable DC Electronic Load A load box can easily be set to draw a selected current or power at the turn of a knob making...

Страница 8: ...sh to observe the intrinsic wireless process place an oscilloscope probe on one end of the antenna coil with the probe ground connected to the board ground one of the fastener screws will suffice Be s...

Страница 9: ...cy of the power transfer through the system For the EVMs used here the diagram below demonstrates that efficiency is a function of output current and runs about 83 at nominal power level 19V 1 0A assu...

Страница 10: ...SDMTX 19V3 EVM May 18 Semtech Thermal Images Using TSDMRX 19V20W EVM under 19V 20W condition Operation ambient temperature 26 5 C Rx 60 6 C Tx board 54 1 C Thermal Images Using TSDMRX 5V10W EVM under...

Страница 11: ...update Device Qty TSDMTX 19V3 EVM 1 Semtech USB TO UART adapter 1 Semtech Wireless Power GUI software 1 GUI for TS80003 allows you install the latest firmware to your board and also to interrogate the...

Страница 12: ...Connect the USB to UART adapter board to EVM board and connect the adapter board to PC Figure 3 The wire connection of Semtech adapter and TS80003 based EVM 4 Run Wilreless Power GUI to start the use...

Страница 13: ...eck if the status changes to Connected Figure 5 Status check in the GUI 6 If the status is connected click Firmware and then click the browse button Figure 6 Firmware upload window in the GUI 7 Choose...

Страница 14: ...SDMTX 19V3 EVM May 18 Semtech 8 Click Program wait until the new window shows Firmware is programmed successfully The programming process takes almost 20s 9 Close the GUI software and then disconnect...

Страница 15: ...he field and cause the system to shut down In order to test the FOD protocol the experimenter can use any Qi products certified to WPC 1 2 2 or higher as a receiver A list of such products can be foun...

Страница 16: ...ts 5 Volt Buck based on the TS30011 converts 19 vdc to 5 vdc Controller based on the TS80003 Wireless Power Controller Includes I O USB I2C Temp Sensor LED display FET Driver based on the TS61002 Full...

Страница 17: ...F C6 4 7nF C7 1 0 R1 LEDG LEDR DRV_EN TEMP DRV_EN VCC3V SCL_TXD SDA_RXD AC_PEAK AC_AMPL DC_VOLTAGE DC_CURRENT AC_V AGND AC_V AC_AMPL AC_PHASE AVCC AC_GAIN AC_PHASE SYNC1 SYNC1 47K R2 100K R3 AC_GAIN 1...

Страница 18: ...3V C14 VDIODES COIL AC_PEAK 100K R29 1 5K R30 100nF C48 AGND AGND AC_PEAK 1nF 150V C49 D4 7 5K R28 AGND 75K R31 10K R32 4 7nF C50 DC_VOLTAGE AGND AGND DC_VOLTAGE 1uF C52 1K R33 100nF C53 DC_CURRENT DC...

Страница 19: ...20 220pF C45 10nF C44 100K R24 1nF 150V C43 CB AC_AMPL 22uF 25V C21 22uF 25V C22 22uF 25V C29 22uF 25V C30 VSENSE VSENSE VCC3V VCC5V VCC5V COIL COIL NP C34 47nF 200V C32 47nF 200V C33 NP C35 TEMP AC 1...

Страница 20: ...7 C21 C22 C29 C30 8 CL32B226KAJNFNE 1210 1210 22uF 25V X7R Samsung 20 D1 1 APHB1608ZGSURKC APHB1608 LED Dual Color Kingbright 21 D3 1 BAT54SW 7 F SOT323 3N Schottky Diode Zetex 22 D4 1 BAS101S 215 SOT...

Страница 21: ...H 0 07 53 3mmX53 3mm Attention 1 Resonance capacitors C32 C33 should be COG capacitor it should any Qi products certified to WPC 1 2 2 or higher as a receiver 2 Current sense resistor R11 should be 1...

Страница 22: ...is based on a four layer design as shown below The ground plane in layer two is recommended to reduce noise and signal crosstalk All components are placed on the top of the board for easier evaluation...

Страница 23: ...User Guide Rev 2 0 www semtech com 22 of27 TSDMTX 19V3 EVM May 18 Semtech Top Layer Ground Plane...

Страница 24: ...M May 18 Semtech Signal Layer Bottom Layer Attention Connect the current sense amplifer using Kelvin connections directly to the Current sense resistor pads and DO NOT allow high current to flow throu...

Страница 25: ...User Guide Rev 2 0 www semtech com 24 of27 TSDMTX 19V3 EVM May 18 Semtech...

Страница 26: ...umber is broken into a prefix main body and suffix separated by dashes The prefix is comprised of three two letter groupings that each help define the product represented As such the part number can b...

Страница 27: ...mtech com power management wireless charging ics You may also scan the bar code to the right to go to the above web page There you can find the downloadable copies of the schematic BOM and board artwo...

Страница 28: ...ICATIONS IN WHICH THE FAILURE COULD BE REASONABLY EXPECTED TO RESULT IN PERSONAL INJURY LOSS OF LIFE OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE INCLUSION OF SEMTECH PRODUCTS IN SUCH APPLICATIONS IS UN...

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