FAH4820 データシートの表示（PDF） - Fairchild Semiconductor

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FAH4820

Direct Driver for DC Motors (ERMs)

Fairchild Semiconductor 

Block Diagram

VDD

SCL

Serial I2C

Interface

Bandgap

Reference

UVLO

OCP

OTP

SDA

Programmable

MDP

LDO

HEN

Control Logic and Register

Differential Driver

GND

MDN

GAIN

Figure 1. Block Diagram

Pin Configuration

Figure 2. Pin Assignments

Pin Definitions

Name Pin #

VDD

1

GND

2, 7

MDP

3

MDN

4

GAIN

5

NC

6

HEN

8

SDA

9

SCL

10

Type

Power

Power

Output

Output

Input

NA

Input

Input

Input

Description

Power

Ground

Positive motor driver output

Negative motor driver output

Gain control for motor driving

No connection

Motor enable/disable (HIGH: enable, LOW: disable)

I2C data input

I2C clock input

© 2013 Fairchild Semiconductor Corporation

FAH4820 • 1.0.0

2

www.fairchildsemi.com

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