Semtech TSWITX-12V-EVM Manual de usuario

Evaluation Board User’s Guide

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Wireless Power

12V 2W

EVM User’s Guide

Wearable Wireless Power EVM

User’s Guide

TSWITX-12V-EVM

www.semtech.com

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Wireless Power

12V 2W

EVM User’s Guide

Description

TS51231 is a transmitter driver and output stage for wireless charging applications. It can

support systems up to 5W output. Switching of the TS51231 is controlled by the wireless

power transmitter controller (TS80002 or similar). TS51231 Tx EVM is a transmission

evaluation board for wearable application. All the necessary function components occupy

a 10mmX13mm of PCB area.

The wireless power Rx board should be work together with Tx board. The maximum

output power of Rx EVM is 2W at 5V.

Jumper introduction

1. Tx board is rectangle and Rx board circler;

2. J1 on Tx board is input port and J1 on Rx board output port;

3. Short J2 jumper on Rx board can light LED1 to indicate output voltage, J2 should be

open when conducting efficiency testing;

Operation Instruction

1. Connect 12Vin into J1 of Tx board;

2. On Rx Board, Connect e-load to J1 between VOUT+ and GND;

3. Set the required output current (0A-400mA) with electrical loads in CC mode;

4. place Rx board onto the top of Tx board, aligning to the circular edge; In order to get

the maximum output power and efficiency, Rx board must be located right above the

Tx coil and the space between Tx & Rx coils should be ~4mm.

Efficiency

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Wireless Power

12V 2W

EVM User’s Guide

TSWIRX-5V-EVM on TSWITX-12V-EVM

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Wireless Power

12V 2W

EVM User’s Guide

Schematic

Figure 1: Schematic

NRST

GPIO1

GPIO2

VSS

LDO

5VDD

ALERT 7

SDA 8

SCL 9

PWM1_L 10

PWM2_L 11

GPIO3

PWM1_H 13

PWM2_H 14

DEBUG

V_AC 16

I_DC 17

GPIO4 18

VREF 19

V_DC 20

TS80002

1uF

6.3V

GND

VCC5V

1uF

6.3V

GND

10nF

10V

GND

RESET

DEBUG

TP1

TP2

TP3

TP4

GND

VCC12V

RESET

DEBUG SCL

SDA

SW 11

VIN 15

NC 5

GND

nFLT

VDD

HSON

VIN 16

SCL

SDA

SW 12

PGND 13

PGND 14

PAD 17

NC 9

BOOT 10

TS51231_1

VCC12V

100nF

25V

22uF

25V

GND

100nF

10V

GND

2.2nF

50V

GND

GNDGND GND

1nF

100V

330K

10K

100nF

25V

CoilFeedback

4.7nF

100V

C10

R11

10K

R10

10K

R12

1nF

10V

C11

GND GND

RX->TXCommunication

100nF

25V

C12

VCC12V

GND

SCL

SDA

DONE

22uF

25V

C17

GND

22nF

25V

C18 2.2nF

50V

C16

C19

22uF

25V

C21

DONE TP5

SMB_SCL

TP6

TP7

SMB_SDA

AC1

AC2

SMB_SCL

SMB_SDA

100K

R16

47K

R15

GND

VCC12V

12V IN

Coil

Tx Coil

DONE

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Wireless Power

12V 2W

EVM User’s Guide

Bill of Materials

Designator Comment Value Value2 Footprint LibRef Quantity

C1, C17, C21 Cap 22uF 25V CAPC0805L Cap Pol 3

C2, C12 Cap 100nF 25V CAPC0402L Cap 2

C3, C5 Cap 1uF 6.3V CAPC0402L Cap Pol 2

C4 Cap 10nF 10V CAPC0402L Cap 1

C6, C16 Cap C0G 2.2nF 50V CAPC0805L Cap 2

C7, C8 Cap 100nF 25V CAPC0402L Cap 2

C9 Cap X7R 1nF 100V CAPC0603L Cap 1

C10 Cap X7R 4.7nF 100V CAPC0603L Cap 1

C11 Cap 1nF 25V CAPC0402L Cap 1

C18 Cap 22nF 25V CAPC0402L Cap 1

C19 Cap C0G NP CAPC0603L Cap 1

Coil

Y31-60182F,

WT292965-12K2-

TS OD 29mm 1

D1 1SS400T1G 200V SOD523-L Diode 1

J1 12V IN SIP3A

CON3,

2.54mm,1*3p 1

R7 Res 330K RESC0402L Res 1

R9, R11 Res 1K RESC0402L Res 3

R10, R12,R8 Res 10K RESC0402L Res 2

R15 Res 47K RESC0402L Res 1

R16 Res 100K RESC0402L Res 1

U1 TS80002 UFQFPN50P300X300-20VN TS80002-QFN 1

U2 TS51231 QFN50P300X300-16V6-165N TS51231 1

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Wireless Power

12V 2W

EVM User’s Guide

EVB Layout layers

Figure 2: Silk screen top layer

Figure 3: Mechanical13 layer

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Wireless Power

12V 2W

EVM User’s Guide

Figure 4: Top layer

Figure 5: Ground layer

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Wireless Power

12V 2W

EVM User’s Guide

Figure 6: Signal layer

Figure 7: Bottom layer

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Wireless Power

12V 2W

EVM User’s Guide

All Design files for this EVB are available. Please call Semtech.

Mouser Electronics

Authorized Distributor

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TSWITX-12V-EVM

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