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參數(shù)資料
| 型號： | BA6467FP-Y |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-phase motor driver for VCR cylinders |
| 中文描述： | 3相電機(jī)驅(qū)動器錄像機(jī)缸 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 117K |
| 代理商： | BA6467FP-Y |
759
Motor driver ICs
BA6467FP-Y
Circuit operation
(1)
Hall I / O
The 3-phase Hall signal is amplified in the hall amplifiers
and sent to the matrix circuit, where the signal is further
amplified and combined. After the signal is converted to
a current in the amplitude control circuit, the current is
supplied to the output driver, which then provides a motor
drive current. The phases of the Hall input signal, output
voltage, and output current are shown in Fig.1.
(2)
The output current can be controlled by adjusting the
voltage applied to the torque control pin.
Torque control pin
(3)
The motor is in the run mode when the pin input voltage
is 3.5V or more and in the standby mode (all output tran-
sistors are off) when the voltage is 1.2V or less.
(4)
Power ground pin (RNF pin)
The power ground pin is the output stage ground pin.
Connect a resistor (0.5
recommended) between this
pin and the ground to monitor the output current.
(5)
Phase compensation pin (CNF pin)
Connect a capacitor between this pin and V
CC
if the out-
put tends to oscillate.
Start / stop pin
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