Datasheet > BD61246EFV

BD61246EFV

更新时间： 2023-09-03 20:37:24

品牌	Logo	应用领域
罗姆 - ROHM		电机驱动脉冲驱动器
页数	文件大小	规格书
29页	1484K
描述
BD61246EFV是内置电机驱动部，通过功率DMOSFET构成H桥的单芯片驱动器。与以往机型相比，减少了搭载零件，简化了参数设置，从而提高了使用便利性。与转速脉冲信号(FG)输出的BD61245EFV引脚兼容。

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BD61246EFV 数据手册

Datasheet

DC Brushless Fan Motor Drivers

Multifunction Single-phase Full-wave

Fan Motor Driver

BD61246EFV

General Description

Key Specifications

BD61246EFV is a 1chip driver that is composed of

H-bridge power DMOS FET. Moreover, the circuit

configuration is restructured, and convenience has been

improved by reducing the external parts and simplifying

the setting compared with the conventional driver.

The pin is compatible with BD61245EFV (Rotation

speed pulse signal output).



Operating Voltage Range:

4V to 16V

–40°C to +105°C

0.2V(Typ) at 0.4A

Operating Temperature Range:

Output Voltage(total):

Features

Package

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

5.00mm x 6.40mm x 1.00mm

 High Heat Radiation Package

 Driver Including Power DMOS FET

 Speed Controllable by DC / PWM Input

 I/O Duty Slope Adjust

HTSSOP-B16

 PWM Soft Switching

 Current Limit

 Start Duty Assist

 Lock Protection and Automatic Restart

 Quick Start

 Lock Alarm Signal (AL) Output

HTSSOP-B16

Applications

 Fan motors for general consumer equipment of desktop PC, Projector, etc.

Typical Application Circuits

SIG

GND

ADJ

SIG

GND

ADJ

H–

H+

SSW

ZPER

MIN

H+

SSW

ZPER

MIN

SST

SLP

PWM

OUT2

RNF

SST

SLP

PWM

OUT2

RNF

PWM

REF

VCC

OUT1

VCC

OUT1

＋

－

＋

－

Figure 1. Application of Direct PWM Input

Figure 2. Application of DC Voltage Input

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

TSZ02201-0H1H0B102060-1-2 ^.

04.Oct.2017 Rev.001

www.rohm.com

TSZ22111 • 14 • 001

1/26

12 3 4 5 6 7...29

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