EV2155-Q-00A―HIGH EFFICIENCY SINGLE INDUCTOR BUCK-BOOST DC-DC CONVERTER EVB

EV2155-Q-00A Rev.1.0

www.MonolithicPower.com

2

1/26/2014

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

© 2014 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

MP2155

VIN

5

Vcc

8

VOUT

1

FB

10

MODE/ SYNC

7

EN

6

U1

3.3uH

L1

NS

C1

10uF/6.3V

C2

22uF

6.3V

C3

22uF

6.3V

C4

2

3

1

JP1

2

3

1

JP2

GND

GND

GND

143k

R2

820k

R1

GND

GND

VIN

GND

VOUT

GND

R3

750k

C5

68pF

EV2155-Q-00A BILL OF MATERIALS

Qty

RefDes

Value

Description

Manufacturer Manufacturer P/N

Package

1

C1

NS

0805

1

C2

10uF

6.3V X7R ceramic

capacitor

muRata

GRM21BR60J106KE19D

0805

2

C3, C4

22uF

6.3V X5R ceramic

capacitor

muRata

GRM21BR60J226ME39L

0805

1

C5

68pF

50V, X7R ceramic

Capacitor

muRata

GRM188R71H680KL

0603

2

JP1, JP2

3 pins header

DI

1

L1

3.3uH

9mOhm, 8A

inductor

Wurth

744314330

SMD

1

R1

820k

Film resistor, 1%

YAGEO

RC0603FR-07820KL

0603

1

R2

143k

Film resistor, 1%

YAGEO

RC0603FR-07143KL

0603

1

R3

750k

Film resistor, 5%

YAGEO

RC0603JR-07750KL

0603

1

U1

MP2155

2~5.5V, 2.3A buck-

boost converter

MPS

MP2155GQ

QFN10-3*3