EV8042DF-00C – HIGH CURRENT, DUAL CHANNEL POWER HALF-BRIDGE

EV8042-00C Rev. 1.0

www.MonolithicPower.com

2

7/26/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

MP8042

U1

NC

AGND1

PWM1

STBY

PWM2

FAULT

SHDWN

AGND2

NC

VDR2

VDR1

BST1

PGND1

OUT1

VDD1

NC

VDD2

OUT2

PGND2

BST2

PWM1

1

GND

PWM2

NC

GND

STDBY

NC

GND

SHDWN

NC

FAULT

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

VDD

VDD

VDD

PULL-UP

VDD

CN1

CN2

SPK_OUT1

SPK_OUT2

GND

GND

GND

PWM2

STDBY

SHDWN

FAULT

VDD

+

VDD

D7

MBRS130LTR

D6

50V

MBRS130LTR

D4

MBRS130LTR

D5

MBRS130LTR

D2

1N4148

D1

4.7V

D3

1N4148

VDR2

PWM1

SW2

SW1

BST1

BST2

SPK_OUT1

SPK_OUT2

GND

VDR1

11

50V

EV8042DF-00C BILL OF MATERIALS

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

1

C1

2200µF Electrolytic Cap., 35V, NHG

Radial

Panasonic

ECA-1VHG222

2

C2, C13

390pF Ceramic Cap., 50V, X7R

0805

Panasonic

ECU-V1H391KBN

2

C3, C4

1µF

Ceramic Cap., 50V, X7R

1210

TDK

C3225X7R1H105K

2

C5, C6

0.1µF

Ceramic Cap., 50V, X7R

0805

TDK

C2012X7R1H104K

2

C7, C8

0.1µF

Ceramic Cap., 25V, X7R

1206

Panasonic

ECJ-3VB1E104K

2

C9, C11

0.47µF Cap., 50V, Stack Metal Film

Radial

Panasonic

ECQ-V1H474JL

1

C10

1µF

Cap., 63V, Stack Metal Film

Radial

Panasonic

ECQ-V1J105JM

1

C12

0.1µF

Ceramic Cap., 16V, X7R

0603

TDK

C1608X7R1C104K

2

CN1

Banana Jacks, Red and Black

2

CN2

2 Red Banana Jacks

1

D1

Diode Zener, 4.7V, 200mW

SOD-323

Diodes Inc.

BZT52C4V7S-7

2

D2, D3

Diode Switch, 75V, 200mW

SOD-323

Diodes Inc.

1N4148WS-7

4

D4, D5,

D6, D7

Diode Schottky, 30V, 1A

SMB

IR

MBRS130LTR

2

L1, L2

10µH

Power Inductor, 7A, 16RHBP

Radial

Toko

16RHBP-100M

1

R1

4.7kΩ

Film Res., 5%

0603

Panasonic

ERJ-3GEYJ472V

3

R2, R3, R4

100kΩ Film Res., 5%

0603

Panasonic

ERJ-3GEYJ104V

2

R5, R6

10Ω

Ceramic Res, 5%

0805

Panasonic

ERJ-6GEYJ100V

29

29-Pins Sip Header, 0.1"

Keystone

5000

1

U1

Class D Audio Amplifier

TSSOP-20

MPS

MP8042DF