Datasheet > BD68720EFV

BD68720EFV

更新时间： 2023-09-03 20:25:17

品牌	Logo	应用领域
罗姆 - ROHM		电机驱动驱动器
页数	文件大小	规格书
23页	2021K
描述
BD68720EFV是额定电源36V､额定输出电流2.0A的低功耗双极PWM恒流驱动器。输入接口采用PARA-IN驱动方式，对于电流衰减方式，可自由设定FAST DECAY/SLOW DECAY的比率，可对所有电机实现很好的控制状态。另外，也可使用一个系统电源进行驱动，因此有助于提高整机设计的便利性。

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BD68720EFV 数据手册

Datasheet

36VHigh-performance,

High-reliability Withstand Voltage

Stepping Motor Driver

BD68720EFV

●General Description

● Key Specifications

BD68720EFV is a bipolar low-consumption driver that

driven by PWM current. Rated power supply voltage of

the device is 36 V, and rated output current is 2.0 A.

PARA-IN driving mode is adopted for input interface,

and excitation mode is corresponding to FULL STEP

mode, HALF STEP mode (2 types) and QUARTER

STEP mode via a built-in DAC. In terms of current

decay, the FAST DECAY/SLOW DECAY ratio may be

set without any limitation, and all available modes may

be controlled in the most appropriate way. In addition,

the power supply may be driven by one single system,

which simplifies the design.

■

Range of power supply voltage

Rated output current (continuous)

Rated output current (peak value)

Range of operating temperature

Output ON resistance (total of

upper and lower resistors)

19～28 [V]

2.0 [A]

2.5 [A]

-25～+85 [℃]

0.65 [Ω] (Typ.)

●Package

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

9.70mm x 6.40mm x 1.00mm

HTSSOP-B28

● Features

■

Rated output current（DC）2.0A

Low ON resistance DMOS output

PARA-IN drive mode

PWM constant current (other oscillation)

Built-in spike noise cancel function (external noise

filter is unnecessary)

■

Full-, half (two kinds)-, quarter-step functionality

Freely timing excitation mode switch

Current decay mode switch

● Typical Application circuit

（linearly variable FAST/SLOW DECAY ratio）

Normal rotation & reverse rotation switching

function

Power save function

Built-in logic input pull-down resistor

Power-on reset function

Thermal shutdown circuit (TSD)

Over-current protection circuit（OCP）

Under voltage lock out circuit (UVLO)

Over voltage lock out circuit (OVLO)

Ghost Supply Prevention (protects against

malfunction when power supply is disconnected)

Adjacent pins short protection

■

GND

■

PHASE1

PHASE2

I01

I11

I02

I12

VCC1

VREF 13

OUT1A

OUT1B

RNF1

■

Microminiature, ultra-thin and high heat-radiation

(exposed metal type) package

RNF1S

VCC2

● Applications

■

PPC, multi-function printer, laser beam printer, and

ink-jet printer

Monitoring camera and WEB camera

Sewing machine

Photo printer, FAX, scanner and mini printer

Toy and robot

OUT2A

OUT2B

RNF2

■

MTH 12

RNF2S

GND

Figure.1 Application circuit

○

Product structure：silicon monolithic integrated circuit ○It is not the radiation-proof design for this product.

www.rohm.com

TSZ22111・14・001

TSZ02201-0P2P0B701210-1-2

10.Jun.2016 Rev.001

1/20

12 3 4 5 6 7...23

中文翻译

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与BD68720EFV相关器件

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