参数资料
| 型号： | BD6220F-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 12/22页 |
| 文件大小： | 0K |
| 描述： | IC H-BRIDGE DRIVER 1CH 0.5A SOP8 |
| 产品培训模块： | H-Bridge Drivers for DC Brush Motors |
| 特色产品： | H-Bridge Driver IC |
| 标准包装： | 1 |
| 应用： | 直流电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | 500mA |
| 电源电压： | 6 V ~ 15 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 标准包装 |
| 产品目录页面： | 1372 (CN2011-ZH PDF) |
| 其它名称： | BD6220F-E2DKR |
BD622xxx Series
Datasheet
e) f) PWM control mode A
The rotational speed of the motor can be controlled by the duty cycle of the PWM signal fed to the FIN pin or the
RIN pin. In this mode, the high side output is fixed and the low side output is switching, corresponding to the input
signal. The state of the output toggles between "L" and "Hi-Z".
The frequency of the input PWM signal can be between 20kHz and 100kHz. The circuit may not operate properly for
PWM frequencies below 20kHz and above 100kHz. Note that control may not be attained by switching on duty at
frequencies lower than 20kHz, since the operation functions via the stand-by mode. To operate in this mode,
connect the VREF pin to the VCC pin. In addition, establish a current path for the recovery current from the motor,
by connecting a bypass capacitor (10μF or higher is recommended) between VCC and ground.
ON
OFF
M
Control input : H
OFF
ON
ON
OFF
M
Control input : L
OFF
OFF
Fig.34 PWM control mode A operation (output stage)
FIN
RIN
OUT1
OUT2
Fig.35 PWM control mode A operation (timing chart)
g) h) PWM control mode B
The rotational speed of the motor can be controlled by the duty cycle of the PWM signal fed to the FIN pin or the
RIN pin. In this mode, the low side output is fixed and the high side output is switching, corresponding to the input
signal. The state of the output toggles between "L" and "H".
The frequency of the input PWM signal can be between 20kHz and 100kHz. The circuit may not operate properly for
PWM frequencies below 20kHz and above 100kHz. To operate in this mode, connect the VREF pin to the VCC pin.
In addition, establish a current path for the recovery current from the motor, by connecting a bypass capacitor (10μF
or higher is recommended) between VCC and ground.
ON
OFF
M
Control input : H
OFF
ON
ON
OFF
M
Control input : L
OFF
OFF
Fig.36 PWM control mode B operation (output stage)
FIN
RIN
OUT1
OUT2
Fig.37 PWM control mode B operation (timing chart)
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
12/19
TSZ02201-0P2P0B300080-1-2
25.Dec.2012 Rev.002
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| BD6221F | 制造商:ROHM 制造商全称:Rohm 功能描述:H-bridge driver for DC brush motor |
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