MPX2003

– UP TO 140kHz ALL-IN-ONE FLYBACK CONTROLLER

MPX2003 Rev. 1.0

MonolithicPower.com

33

8/5/2022

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2022 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUIT

Figure 25 shows the MPX2003’s typical application circuit with a universal input and 65W output

specification.

1

μF/50V/0805

C21

10k

Ω/1%

R23

30k

Ω/1%

R22

5m

Ω/1%/1206

R24

100nF/50V

C22

1

μF/25V

C20

100nF/50V

C19

390pF/50V

C23

B12

A1

B10

A3

B9

A4

B7

A6

B4

A9

B1

A12

B11

A2

B8

A5

B6

A7

B5

A8

B2

A11

B3

A10

CN1

USB-C

390pF/50V

C24

1

2

3

4

5

Q5

AM4431P

Output:

5V/3A; 9V/3A; 12V/3A;15V/3A; 20V/3.25A

CC1

DP0

CC2

DM0

SGND

CC2

CC1

DP0

DM0

SGND

SGND

FB

23

24

21

20

11

4

15

14

16

VDDD

VCCD

CATH/COM

FB

GPIO

GND

CSP

VBUS_DISCHARGE VBUS_P_CTRL

VBUS_C_MON_DISCHARGE

VBUS_C_CTRL

CC2

CC1

AXRES/GPIO

DM0

SWD_DAT_0 SWD_CLK_0

17

DP0

5,6,10,12,13

U3

CCG3PA

NC

C18

Vo

VBUS+

PPS: 3.3V21V/3A

Daughter Board/PD Controller Stage

2

1

3

4

4

5

6

1

2

3

2.2

μF/25V

C25

IN

GND

OUT

FB

U4

MPQ2013AGJE-33

0805

SGND

2.2

μF/10V

C26

Q6

NTZD3152P

100k

Ω/1%

R25

D8

B0530W

CC1

CC2

P1.0

P1.1

SOD-123

D8

B0530W

SOD-123

100k

Ω/1%

R26

VCONN Power Circuit

2

3

4

5

NP:NS:NP_AUX2 = 36:6:16

RM8

T1

LP = 240μH

PGND

PGND

PGND

L2

N1

22

μF/100V

C6

1.5nF/250V/0805

C12

S1JL

D5

600V/1A

R17

3.15A/250V

VIN = 90VAC to 264VAC

PGND

PGND

10pF/50V

C8

1nF/50V

C9

HV

HV

63.4k

Ω/1%

R19

200k

Ω/1%

R18

750

Ω/1%

R8

SDRV

PGND

SRD

10k

Ω/1%

R9

1N4148WS

D2

75V/0.15A

0

Ω/1%/1206

B1

300k

Ω

R5

1%/1206

100

Ω/5%/0805

R6

1.5nF/50V

C11

100k

Ω/1%

R14

F1

ABS210

BD1,BD2

1000V/2A

0.3

Ω/1%

R3

1206

1k

Ω/1%

R13

820

μF

C15

25V

1nF

CY1

1nF/630V/1206

C5

2.2

μF/25V

C14

0805

NC

R11

820pF/50V

C10

1

2

3

4

5

0.3

Ω/1%

R4

1206

IPA70R360P7

1

Q1

700V/12.5A

SIR870ADP

Q3

100V/5.5m

Ω/60A

470nF/275VAC

CX1

L1

47

μH

2.5A

LX1

300

μH

1A

M7

D1

1kV/1A

33

μF

C3

400V

180

Ω/1%/1206

R16

22

μF

C1

400V

33

μF

C2

400V

SGND

SGND

SGND

SGND

SGND

R15

NP_AUX2

NS

NP

PEP

3

PDRV

6

IS

15

SDRV

9

COMP

12

Vcc

5

SGND

16

PGND

4

SRD

10

SGND

11

PGND

8

VDD

13

HV

1

CS

7

FB

14

MPX2003

U1

D4 NC

A

B

NC/1206

C4

NC

C17

0

Ω/1%/1206

R7

L1

L2

NC

NC

L1

NC

NC

L2

U2

HF81

499k

Ω/ 1%

R1

1206

560pF/50V

C16

Main Board/Power Stage

499k

Ω/ 1%

R2

1206

1

C

0

Ω/1%/1206

R12

LBSS123LT1G

Q2

100V

100k

Ω

R10

0805

D3

22V/5mA

10

μF/25V

C7

BZT52C22

VCC

NP_AUX1

NS_AUX

VCC

D6 NC

22

μF/50V

C13

NC

Q4

D7

NC

NC

R21

0

Ω

JR1

33k

Ω/1%

R20

FB

FB

1206

NC

2

SGND

FB

VBUS+

Figure 25: Example of the 65W PD Typical Application