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Wireless Charging 

 

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12 of 17 

User Guide 

                                                                                                                                                           Rev 1.03  

 

TSDMRX-19V20W-EVM                                                                                                                                                            Semtech 

C. Bill Of Materials “BOM” 

Below is a listing of the parts used in the TSDMRX-19V20W-EVM.  An excel spreadsheet file with this information is 
available on the Semtech website as an added convenience.

  

 

Designator

Description

Value

Footprint

Manufacturer

ManufacturerCode

Quantity

1 C1

Capacitor

Cap 10uF 6.3V

CAPC0402L

1

2 C2, C10, C17

Capacitor

Cap 10nF 10V

CAPC0402L

3

3 C3

Capacitor

Cap 1uF 6.3V

CAPC0402L

1

4 C4, C5, C14, C16, C31 Capacitor

Cap 100nF 10V

CAPC0402L

5

5 C6, C11

Capacitor

Cap C0G 47nF 50V

CAPC1206-0805N

TDK

CGA5H2C0G1H473J

2

6 C7, C8, C23, C24

Capacitor

Cap X7R 10uF 50V

CAPC1210N

Tayio Yuden

UMK325AB7106MM-T 4

7 C9

Capacitor

Cap 100nF 50V

CAPC0402L

1

8 C12

Capacitor

Cap 1nF 50V

CAPC0402L

1

9 C13

Capacitor

Cap NP 

CAPC0402L

1

10 C15

Capacitor

Cap C0G 10nF 50V

CAPC1206-0805N

TDK

1

11 C18, C19

Capacitor

Cap 22nF 50V

CAPC0402L

2

12 C20, C21

Capacitor

Cap 4.7nF 50V

CAPC0402L

2

13 C22

Capacitor

Cap 47nF 50V

CAPC0402L

1

14 C25

Capacitor

Cap 100nF 50V

CAPC0402L

Kemet

C0603C104K5RAC7867 1

15 C26, C27, C28, C29

Capacitor

Cap X7R 10uF 25V

CAPC1206N

Taiyo Yuden

TMK316B7106KL-TD

4

16 C30

Capacitor

Cap 100nF 10V

CAPC0402L

Kemet

C0603C104K5RAC7867 1

17 D1

Zener Diode

 5.1V 

SOD523-L

ON 
Semiconductor

MM5Z5V1T1G

1

18 D2

LED Dual Color

APHB1608ZGSURKC  

LED_APHB1608

Kingbright

1

19 D3, D4, D5, D6

Schottky Diode

DB2141200L  

DIODE-SMini2

Panasonic

DB2141200L

4

20 D7

Schottky Diode

BAS40-02V-V-G-08  

SOD523-L

Vishay

BAS40-02V-V-G-08

1

21 J3

Coil connector, 2 
contacts, solder pads

24uH  

Abracon

AWCCA-RX350300-101 1

22 J4

Power connector

19V OUT  

CON_Pins_4p

1

23 L1

Inductor

4.7uH 2.6A

IND_NRS5030

Taiyo Yuden

NRS5030T4R7MMGJV

1

24 Q1, Q2, Q3, Q4, Q5, 

Q6, Q7

N-Channel Power 
MOSFET

DMN62D0LFD-7  

DFN80P120X120-3 Diodes, Inc.

DMN62D0LFD-7

7

25 Q8

N-Channel Power 
MOSFET

DMN62D0LFD-7 NP 

DFN80P120X120-3 Diodes, Inc.

DMN62D0LFD-7

1

26 R1

Resistor

Res 150 

RESC0402L

1

27 R2

Resistor

Res 22K 

RESC0603L

1

28 R3

Resistor

Res 18K 

RESC0402L

1

29 R4, R5, R6, R9, R10, 

R13, R19, R20, R22

Resistor

Res 10K 

RESC0402L

9

30 R7

Resistor

Res 75K 

RESC0402L

1

31 R8, R16, R17, R23

Resistor

Res 100K 

RESC0402L

4

32 R11

Current Sense Resistor 0.04 1%

RESC0603L

Vishay

WSL0603R0400FEA18

1

33 R12

Resistor

Res 1K 

RESC0402L

1

34 R14

Resistor

Res 500 

RESC1206N

1

35 R15

Resistor

Res 2K 

RESC1206N

1

36 R18

Resistor

Res 205K 

RESC0402L

1

37 R21

Resistor

Res NP 

RESC0402L

1

38 R24

Resistor

Res 2.2K 

RESC0402L

1

39 U1

Linear Regulator

TS31223  

DFN50P200X200-
8V6-165N

Semtech

TS31223

1

40 U2

Wireless Power 
Receiver Controller

TS81000  

UFQFPN50P300X30
0-20VL

Semtech

TS81000-2YA0060

1

41 U3

Current Sense 
Amplifier

TS94033  

SC70-8N

Semtech

TS94033SKTRC

1

42 U4

Buck DC/DC Converter

TS30042-M000QFNR  

QFN50P300X300-
16V6-165N

Semtech

TS30042-M000QFNR

1

43 U5

Programmable 
Precision Reference

SC431 1%  

SOT23-3N

Semtech

SC431CSK-1TRT

1

Summary of Contents for TSDMRX-19V20W-EVM

Page 1: ...TSDMRX 19V20W EVM Wireless Charging Receiver www semtech com WIRELESS CHARGING LinkCharge 20 Series User Guide TSDMRX 19V20W EVM...

Page 2: ...www semtech com to download the latest EVM software for your evaluation board Objectives The objective of this User Guide is to provide a fast easy and thorough method to experiment with and evaluate...

Page 3: ...cognizing when the electromagnetic field has been interrupted by an unintended element a foreign object and will shut down the transfer to prevent any significant amount of power being absorbed by any...

Page 4: ...94033 and TS30042 The TS81000 provides the Qi compliant communications and control for wireless receivers of up to 40 watts All the intelligent management of the process is handled by the TS81000 Up t...

Page 5: ...omplex charging requirements can be precisely supported by the TSDMRX 19V20W EVM and only the desired amount of power is provided If at any time an error is detected transmission is halted To restart...

Page 6: ...saction Observe Coil Signals The following information is not required in order to use the EVM as what can be observed below is entirely managed by the Semtech TS81000 Wireless Controller However it a...

Page 7: ...omparison to the power entering the transmitter EVM you can determine the efficiency of the power transfer through the system For the EVMs used here TSDMRX 19V20W EVM on TSDMTX 19V2 EVM the diagram be...

Page 8: ...VM Antenna Receive coil of wire placed in proximity to the transmit antenna to power the EVM receiver system Also includes zero crossing detection and over voltage protection circuitry Rectification M...

Page 9: ...mtech B Schematic Below are two copies of the schematic The first annotation has been added to indicate which part of the block diagram each component is a member of The second will allow better use i...

Page 10: ...Wireless Charging www semtech com 9 of 17 User Guide Rev 1 03 TSDMRX 19V20W EVM Semtech...

Page 11: ...00 R14 PDC 100nF 50V C9 PGND PGND PGND PGND PGND PGND PGND PGND ZERO_CROSS MIN_LD1 EN_MOD1 DC_CURRENT 10K R19 PGND TP1 PDC TP2 VAC1 4 7uH 2 6A L1 VOUT 1 VOUT 2 GND 3 PWR GND 4 J4 19V OUT 10K R13 ZERO_...

Page 12: ...8 GPIO4 9 VACDET 10 VREF 11 SCL 12 SDA 13 EN_MOD 14 DEBUG 15 GPIO6 16 AMUX 17 EN_LOAD 18 GPIO7 19 LED 20 U2 TS81000 DEBUG LEDG DC_VOLTAGE GND 1uF 6 3V C3 VCC3V3 18K R3 10K R4 GND 1 OUTPUT 2 FB 6 INPU...

Page 13: ...08ZGSURKC LED_APHB1608 Kingbright 1 19 D3 D4 D5 D6 Schottky Diode DB2141200L DIODE SMini2 Panasonic DB2141200L 4 20 D7 Schottky Diode BAS40 02V V G 08 SOD523 L Vishay BAS40 02V V G 08 1 21 J3 Coil con...

Page 14: ...EVM Semtech D Board Layout The diagram below shows the locations of the components used in the TSDMRX 19V20W EVM PCB Note especial ly that the majority of the board area is devoted to pinouts for test...

Page 15: ...er two is recommended to reduce noise and signal crosstalk The EVM placed all components on the top of the board for easier evaluation of the system End product versions of this design can be made sig...

Page 16: ...he EVM part number represent something in particular A Yes The part number is broken into a prefix main body and suffix separated by dashes The prefix is comprised of three two letter groupings that e...

Page 17: ...page at http semtech com wireless charging 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 artwork as...

Page 18: ...AR APPLICATIONS 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 APPLICATION...

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