MPQ2167 – 6V, 4A, FREQUENCY PROGRAMMABLE, BUCK CONVERTER, AEC-Q100 QUALIFIED

MPQ2167 Rev. 1.0

www.MonolithicPower.com

16

3/21/2019

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

© 2019 MPS. All Rights Reserved.

BLOCK DIAGRAM

UVLO

EN

IN

FB

Error

Amplifier

VREF

BANDGAP

SOFT-

START

SLOPE

COMP

OCP

ILIMIT

CONTROL

LOGIC

HS

DRIVER

LS

DRIVER

SW

CSA

SHUT

DOWN

CSA

COMP

NEG CURRENT

SENSING

IVALLEY

SCP

OV

UV

DELAY

115%VREF

85%VREF

50%VREF

COMP

IN

PGND

MODE

OSCILATOR

CCM/AAM

DETECTION

COMP

VAAM

PG

OVP

FREQ

SS

SYNCO

CLK

P

N

100Ω

500kΩ

OC

Timer

Auto

Recovery

AGND

1M

600k

34pF

0.5pF

Figure 1: Functional Block Diagram