参数资料
| 型号： | NCV7240DPR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 22/26页 |
| 文件大小： | 0K |
| 描述： | IC DVR RELAY 8CH LOW SIDE 24SSOP |
| 标准包装： | 2,500 |
| 系列： | * |
NCV7240
Stepper Motor Operation
The NCV7240 device is capable of driving stepper motors. Each stepper motor requires 4 low?side drive outputs.
Consequently, each NCV7240 device is capable of driving two stepper motors. Figure 34 below illustrates a Unipolar stepper
motor setup . For proper operation, the code listed in Table 3 should be used (and repeated) for one way operation (clockwise).
For reverse direction, simply reverse the code and repeat (counterclockwise). Outputs 1?4 are utilized for one stepper usage.
For a 2 nd stepper motor, repeat the code used for outputs 1?4 to outputs 5?8. During operation waveforms similar to Figure 35
can be expected on the OUTx pins.
V BAT
STEPPER
MOTOR
OUT1
OUT2
OUT3
OUT4
V BAT = 12 V
Figure 35. Typical Stepper Motor Waveform
NCV7240
Figure 34. Stepper Motor Operation Setup
Table 3. NCV7240 STEPPER MOTOR CODE
(Unipolar Portescap 35L048L32U)
OUT 4
OFF
ON
ON
OFF
OUT 3
ON
OFF
OFF
ON
OUT 2
OFF
OFF
ON
ON
OUT 1
ON
ON
OFF
OFF
{Repeat}
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