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参数资料
| 型号： | BD62321HFP-TR |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC H-BRIDGE DVR 36V 1CH 3A HRP7 |
| 标准包装： | 2,000 |
| 应用： | PWM 电机驱动器 |
| 输出数： | 1 |
| 电压 - 负载： | 6 V ~ 32 V |
| 电源电压： | 6 V ~ 32 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 供应商设备封装： | HRP7 |
| 包装： | 带卷 (TR) |
BD62321HFP
● Functional Descriptions
Datasheet
1)
Operation modes
Table 2 Logic table
FIN
RIN
OUT1
OUT2
Operation
a
b
c
d
e
f
L
H
L
H
PWM
L
L
L
H
H
L
PWM
Hi-Z*
H
L
L
H
__________
PWM
Hi-Z*
L
H
L
__________
PWM
H
Stand-by (idling)
Forward (OUT1 > OUT2)
Reverse (OUT1 < OUT2)
Brake (stop)
Forward (PWM control)
Reverse (PWM control)
* Hi-Z : all output transistors are off.
Please note that this is the state of the connected diodes, which differs from that of the mechanical relay.
a) Stand-by mode
In stand-by mode, all internal circuits are turned off, including the output power transistors. Motor output goes to high
impedance. When the system is switched to stand-by mode while the motor is running, the system enters an idling
state because of the body diodes. However, when the system switches to stand-by from any other mode (except the
brake mode), the control logic remains in the high state for at least 50μs before shutting down all circuits.
b) Forward mode
This operating mode is defined as the forward rotation of the motor when OUT1 pin is high and OUT2 pin is low.
When the motor is connected between OUT1 and OUT2 pins, the current flows from OUT1 to OUT2.
c) Reverse mode
This operating mode is defined as the reverse rotation of the motor when OUT1 pin is low and OUT2 pin is high.
When the motor is connected between the OUT1 and OUT2 pins, the current flows from OUT2 to OUT1.
d) Brake mode
This operating mode is used to quickly stop the motor (short circuit brake). It differs from the stand-by mode because
the internal control circuit is operating in the brake mode. Please switch to stand-by mode (rather than the brake
mode) to save power and reduce consumption.
OFF
OFF
ON
OFF OFF
ON
OFF
OFF
M
M
M
M
OFF
OFF OFF
ON
ON
OFF
ON
ON
a) Stand-by mode
b) Forward mode
c) Reverse mode
d) Brake mode
Fig.15 Four basic operations (output stage)
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
7/13
TSZ02201-0P2P0B300110-1-2
25.Dec.2012 Rev.002
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