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ST STDES-50W2CWBC, Технические заметки, Страница: 13 / 26

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Figure 13. 

STDES-50W2CWBC circuit schematic (2 of 4)

Truth Table

IN

Switch S1

L

H

Voltage doubler

Additional NTC

RING_SNS Switch

QF_DRV Switch

C211

50V

X7R

330NF

C213

50V

X7R

330NF

R219

10 R

1

X1

3

X2

2

COVER2COVER1

4

Y 200

16M HZ-10PPM -8PF

R205 NP

C206

35V

X5R

10UF

TP200

R204

10 K

R200

0R1

C203

X7R

50V

100NF

NT

C

R206

47 K

R202
10 K

C212

50V

X7R

330NF

R218

3.3 K 1%

R201

10 R

R203
150 K

R217
470 K

D206

SO D523

BAT54KFILM

R208

10 K

D204

SO D523

BAT54KFILM

R209

10 K

/I2C

driver

g

a

t

e

Boostrap

 

driver

gate

Boostrap

 

Main PWM

driver

gate

Boostrap 

Analog

Demod

Q- F  dr i ver

Controller

DCDC

Mai n  PWM

PD/QC

Buck

USB

ISns

6

V

D

D

2

L

D

O

_

3

V

3

3

V

R

E

F

_

A

4

M

C

U

_

3

V

3

8

M

C

U

_

V

S

S

1

60

USB_DM

59

USB_DP

11

XTAL_O UT

10

XTAL_IN

12

NRST

5

L

D

O

_

1

V

8

46

LED1

47

LED2

2

7

V

D

D

_

D

R

2

3

S

P

I_

M

IS

O

2

4

S

P

I_

M

O

S

I

21

UART_TX

28

HS1_BT

29

HS1_G D

30

HS1_SW

31

LS1_G D

36

HS2_BT

35

HS2_G D

34

HS2_SW

32

LS2_G D

4

1

G

N

D

_

D

R

9

B

U

C

K

_

F

B

1

4

B

U

C

K

_

S

W

1

5

B

U

C

K

_

B

T

1

6

V

IN

22

UART_RX

43

G PIO _DR1

42

G PIO _DR0

48

SW DIO

49

SW CLK

2

5

S

P

I_

N

S

S

1

IRQ

6

8

A

G

N

D

54

BRG _VREF

2

0

S

P

I_

C

L

K

19

TEM PSNS

53

BRG _ISNS_P

52

BRG _ISNS_M

5

0

B

R

G

_

V

S

N

S

6

2

I2

C

_

S

D

A

6

STWBC2-HP 3

I2

C

_

S

C

L

1

3

P

G

N

D

55

BRG _IDEM

56

BRG _FT_S

57

BRG _FT_R

7

M

C

U

_

V

S

S

64

RING _FT_S

65

RING _FT_R

6

6

Q

F

_

D

R

V

6

9

E

P

A

D

33

DCDC_SNS

17

VIN_ISNS_P

18

VIN_ISNS_N

2

6

V

D

O

U

B

_

S

W

37

HS3_BT

38

HS3_G D

39

HS3_SW

40

LS3_G D

44

G PIO _DR2

45

G PIO _DR3

58

CC1

61

CC2

67

RING _SNS

5

1

D

C

D

C

_

F

B

U200

R207

1%

47 K

D205

SO D523

BAT54KFILM

C200

NP

L200

10uH

D200

RB541VM -40

D201

VDD_DR

VDD_DR

RB541VM -40

C216

X7R

50V

10NF

C221

C0G

50V

8.2PF

C222

C0G

50V

8.2PF

C227

X7R

50V

10NF

C208

C0G

50V

1NF

C202

X5R

50V

470NF

C215

X7R

25V

100NF

C217

X7R

25V

100NF

C218

X7R

25V

100NF

C223

X7R

25V

100NF

C224

X7R

25V

100NF

C228

C0G

50V

33PF

C220

X7R

100V

1NF

R220

0 R

NT

C

R211

47 K

R210
150 K

R213
470 K

C225

X7R

50V

10NF

1

IN

2

VCC

3

G ND

6

S2

5

D

4

S1

U202

STG 719STR

C226

X7R

25V

100NF

R222

3.3 K 1%

R223

1%

47 K

C229

C0G

50V

33PF

C230

X7R

100V

1NF

D

3

1

G

2

S

Q 202

N-M O S
2N7002

D

3

1

G

2

S

Q 201

N-M O S
2N7002

R228

4.7 K

R227

4.7 K

C204

16V

10UF

X5R

C236

X7R

25V

100NF

C201

X5R

6.3V

4.7UF

C234
NP

C235

X5R

6.3V

4.7UF

C233
NP

R212

2.2R

R225

2.2R

R226

2.2R

C209

X7R

100V

5.6NF

3

D

1

G

S

2

Q 200

N-M O S

1

IN

2

VCC

3

G ND

6

S2

5

D

4

S1

U201

STG 719STR

C237

X7R

25V

100NF

C231

X7R

100V

5.6NF

D

3

1

G

2

S

203

BAT54KFILMQ

N-M O S

D208

BAT54KFILM

C214

X7R

50V

10NF

C207

X7R

25V

100NF

C238

X7R

6.3V

1UF

C239

NP

C210

X7R

50V

100NF

4

O UT

5

VCC

3

IN-

1

IN+

2

G

N

D

U203

LM V321ILT

R229 10 K

R230

0.1%

330 K

C240

CO G

50V

1NF

R231

0.1%

1.2K

R232

0.1%

9.1K

C241

X7R

50V

100NF

C242

X7R

50V

100NF

R233

0.1%

5.6K

R234

0.1%

330 K

C243

X7R

50V

100NF

J201

1

2

3

4

D203

G REEN

D202
RED

D207

R235

100 R

R236

100 R

D209

G REEN

R237

4.7 K

VBUCK

3V3

3V3

3V3

VBUCK

VIN

VDCDC

USB_DP

USB_DM

SW DIO

SW CLK

UART_TX

UART_RX

SW _HS2

G D_LS2

NRESET

USB_CC2

USB_CC1

G D_HS1

SW _HS1

G D_LS1

G D_HS2

G D_HS3

SW _HS3

G D_LS3

BRIDG E_ISNS_P

RING _NO DE1

I2

C

_

S

C

L

I2

C

_

S

D

A

VIN_ISNS_N

VIN_ISNS_P

SW _HS1

F

A

N

LED1

LED2

3V3

TEM P

T

E

M

P

TANK1_SEL

TANK2_SEL

TANK1_SEL

RING _SNS

RING _NO DE2

RING _SNS

TANK1_SEL

TANK2_SEL

Q F_SHO RT

Q

F

_

D

R

V

VBUCK

BRIDG E_ISNS_N

3V3

3V3

I2C_SCLI2C_SDA

1V8

1V8

RING _NO DE1

TANK1_SEL

RING _NO DE2

Q F_DRV

Q F_SHO RT

VBUCK

VREF

VREF

VREF

3V3

VREF

BRIDG E_ISNS_P

D

C

D

C

_

S

H

O

R

T

3V3

I2C_SCL

I2C_SDA

VBUCK

VBUCK

LED1

LED2

L

E

D

3

3V3

LED3

Switch S2

OFF

OFF

ON

ON

/SPI

GPIO

UART

GPIO

TN1399

 - 

Rev 1

page 13/26

TN1399

Schematic diagrams

 

Содержание STDES-50W2CWBC

Страница 1: ...hardware a high resolution main PWM controller a dedicated Qi communication modulator and demodulator a USB PD controller a buck DC DC a charge pump The STDES 50W2CWBC is a fully assembled reference...

Страница 2: ...nce magnetic resonance capacitive coupling radio frequency laser charging etc The most popular mechanism is the magnetic inductive that follows the Qi standard defined by the Wireless Power Consortium...

Страница 3: ...converter supports an AC voltage 100 V the coil switcher alternatively switches the two LC tanks for coils alternatively into high voltage the STLINK V3MINI interface with SWD for firmware debug and...

Страница 4: ...ctive wireless charger power receiver for 50 W applications or 70 W applications STWLC88 or STWLC98 Yes C6 Wall adapter USB PD wall adapter No C7 USB Type C cable 4 A or 5 A cable No 3 2 Procedure To...

Страница 5: ...6 Test the power transfer switching The oscillation waveform appears in the activated RING_NODE while the switching waveform appears in another inactive RING_NODE The switching waveform should be off...

Страница 6: ...ure 4 Typical startup waveform power on sequence 4 2 Presence detection waveform Once the STWBC2 HP power up is ready you can check the presence detection waveform at RING_NODE1 triggered by TANK1_SEL...

Страница 7: ...ne waved while the RING_NODE2 is off see Figure 6 2 Put the Rx coil on Tx coil 2 and set the Rx output to 5 V The RING_NODE2 appears sine waved while the RING_NODE1 is off see Figure 7 3 Put the Rx co...

Страница 8: ...Figure 6 Coil 1 in half bridge mode Figure 7 Coil 2 in half bridge mode TN1399 Power transfer switching waveform TN1399 Rev 1 page 8 26...

Страница 9: ...1 in full bridge mode Figure 9 Coil 2 in full bridge mode 4 4 STSC waveform The STSC protocol supports a higher power transfer The figure below shows the typical waveform TN1399 STSC waveform TN1399 R...

Страница 10: ...n waveform The firmware can route the demodulation result V I to a GPIO which should be close to the Rx modulation waveform The figure below shows the typical waveform Figure 11 ASK demodulation frame...

Страница 11: ...coil reference design should be close to the LCR meter The table below shows the test results Table 7 Q factor accuracy test with RMB coins DTU One Yuan 50 cents 10 cents LCR 11 7 18 1 29 4 Coil 1 11...

Страница 12: ...A6 D 1 A7 D 1 A8 A9 A10 A11 G ND1 G ND G ND2 G ND G ND3 G ND B6 G ND4 G ND SH1 G ND SH2 G ND SH3 G ND SH4 G ND J100 632723300011 R107 0 R R106 0 R R103 NP C100 X7R 50V 100NF D104 BAT30KFILM NTR4003NT1...

Страница 13: ...F C202 X5R 50V 470NF C215 X7R 25V 100NF C217 X7R 25V 100NF C218 X7R 25V 100NF C223 X7R 25V 100NF C224 X7R 25V 100NF C228 C0G 50V 33PF C220 X7R 100V 1NF R220 0 R NTC R211 47 K R210 150 K R213 470 K C22...

Страница 14: ...3 Q300 STL20N6F7 R300 0 010R 2W C312 NP C313 C0G 50V 1NF L300 3 3uH R306 10 R C315 X7R 50V 10NF R307 10 R C309 X7R 50V 100NF C314 X7R 50V 10NF C310 50V COG 1NF R410 100 K D400 10V G D S 5 4 1 6 7 8 2...

Страница 15: ...4 DNP 1206 C404 X7S 100V DNP R420 DNP 1206 C401 X7S 100V DNP R416 10K R421 10K C402 C0G 50V 1NF D401 1N4148WS C418 X7R 50V 10NF R422 47K R423 10K R425 10K C423 C0G 50V 1NF D402 1N4148WS C425 X7R 50V 1...

Страница 16: ...Capacitors Murata or generic GRM155R60J475ME47 8 1 C202 470 nF 0402 35 V 10 X5R SMD Capacitor Kemet or generic C1005X5R1V474M050BC 9 2 C221 222 8 2 PF 0402 50 V 5 C0G SMD Capacitors Kemet or generic C...

Страница 17: ...1 R423 R425 10K 0402 1 16 W 5 SMD Resistors Yageo or generic RC0402JR 0710KL 26 2 R203 R210 150 K 0402 1 16 W 5 SMD Resistors Yageo or generic RC0402JR 07150KL 27 3 R212 R225 226 2 2 R 0402 1 16 W 5 S...

Страница 18: ...1 6 SMD crystal NDK NX2016SA 16MHz EXS00A CS06655 49 1 J100 632723300011 CON_USB_C_632723300011 USB TYPE C_632723300011 Wurth Elektronik 632723300011 50 1 J101 FTSH 107 01 L DV K A CON_FTSH 107 01 L D...

Страница 19: ...arger transmitters ST STWBC2 HP 62 2 D203 D209 0603 Green LEDs Wurth Elektronik 150060VS75000 63 1 D202 0603 Red LEDs Wurth Elektronik 150060RS75000 64 2 R235 236 100 R 0402 1 16 W 5 SMD Resistors Yag...

Страница 20: ...f the two coils The Rx output could be from 5 V to 20 V by the ST Super Charge proprietary protocol STSC The ASK demodulation works well The Q factor estimation by either of the two coils is close to...

Страница 21: ...d tests specifically described in the published documentation for the specified reference design STMicroelectronics may correct enhance improve its reference designs for future development STMicroelec...

Страница 22: ...Revision history Table 8 Document revision history Date Revision Changes 01 Mar 2022 1 Initial release TN1399 TN1399 Rev 1 page 22 26...

Страница 23: ...Presence detection waveform 6 4 3 Power transfer switching waveform 7 4 4 STSC waveform 9 4 5 ASK demodulation waveform 10 4 6 Q factor accuracy test 11 5 Schematic diagrams 12 6 Bill of materials 16...

Страница 24: ...ternal voltage range 4 Table 4 Power on LED status 5 Table 5 Presence detection specifications 5 Table 6 Level of the STSC power supplies 5 Table 7 Q factor accuracy test with RMB coins 11 Table 8 Doc...

Страница 25: ...half bridge mode 8 Figure 7 Coil 2 in half bridge mode 8 Figure 8 Coil 1 in full bridge mode 9 Figure 9 Coil 2 in full bridge mode 9 Figure 10 Power automatic boost 5 20 V 10 Figure 11 ASK demodulatio...

Страница 26: ...ts and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST pro...

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