Datasheet > BD64008MUV

BD64008MUV

更新时间： 2024-09-15 11:08:23

品牌	Logo	应用领域
罗姆 - ROHM		开关电机驱动驱动器稳压器
页数	文件大小	规格书
39页	1502K
描述
是一款系统电机驱动器，在1枚芯片中集成了双通道H-Bridge驱动器（并联专用）、内置功率MOS的双通道降压开关稳压器（SWREG）以及复位输出功能。

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BD64008MUV 数据手册

Datasheet

System Motor Driver

BD64008MUV

General Description

Key Specifications

This is a system motor driver with integrated 2ch

H-bridge driver (Parallel is for exclusive use), 2ch buck

switching regulator (SWREG) with built-in Power MOS,

and Reset output.

◼

Input Voltage Range

9.0 V to 45.0 V

2.0 A/Phase

0 A to 2.0 A

0 A to 1.4 A

-25 °C to +85 °C

100 µA (Max)

Motor Rated Output Current

SWREG1 Output Current Range

SWREG2 Output Current Range

Operating Temperature Range

Standby Current

Features

◼

Low ON-resistance Output H-bridge Driver (2ch)

Built-in Regular Current Chopping Function

Over-current Protection in H-bridge Driver

3-line Serial Type Interface

H-bridge Parallel Driver (Large Mode) Single

Purpose

Package

W (Typ) x D (Typ) x H (Max)

7.0 mm x 7.0 mm x 1.0 mm

VQFN048V7070

◼

SWREG (CH1) with Built-in P-ch Power DMOS FET

High Efficiency SWREG Function

Soft Start Function in SWREG

Over-current Protection (OCP) in SWREG

Output Under Voltage Protection (UVLO) in SWREG

SWREG Enable Function

Thermal Shutdown Function (TSD)

Power ON Reset

V_BBDrop Detection Function

Micro Type, Ultra-thin Type, High Heat Dissipation

(Back side heat radiation) Package

Applications

◼

Business Inkjet Printers

Large Format Printer, etc.

Typical Application Circuit

VBBA

VREFA

4bit DAC

(1/10)

OUTAP

OUTAM

RNFAS

RNFA

VREFB

RNFAS

PRE

DRIVER

LOGIC

VBBB

SLEEP

ENBA,ENBB

CLK,STB(LD),DAT

ID0,ID1,ID2

OUTBP

OUTBM

internal reg.

RSTIN

RNFB

RNFBS

ENBSW1

ENBSW2

PWM

internal reg.

VBBSW1

SWOUT1

MODE

PRE

DRIVER

DAC for

soft start

FB1

OSC

FB1

BOOT

DAC for

soft start

VINSW2

SWOUT2

PGNDSW2

FB2

PRE

DRIVER

COMP

OSC

internal reg.

Regulator

Clock

OCP

FB2

OCPDET

UVDET

RESET

UVDETIN

TSD

UVP

GND

〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0P2P0B001840-1-2

16.Nov.2020 Rev.005

1/36

12 3 4 5 6 7...39

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