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參數(shù)資料
| 型號： | TB6520P |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDIP16 |
| 封裝： | 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 378K |
| 代理商： | TB6520P |
TB6520P/PG
2006-3-6
4
FUNCTIONAL DESCRIPTION
1. Crystal oscillator (XT, XT )
The crystal oscillator is connected as shown in the following diagram:
The start transfer frequency fst and maximum transfer frequency fmx depend upon crystal oscillation
frequency fx. Please make sure of the start operation in determining your frequency.
fst = fx / 218
fmx = fx / 210
PWM chopping frequency fp is also determined as follows:
fp = fx / 256
2. Lead angle control
Operated at 0 lead angle during forced start transfer, and automatically switched to 15 lead angle upon
normal transfer.
3. PWM Duty Control
PWN duty is controlled through AD conversion of the
analog voltage that is input to the DUTY pin.
0 (V) ≤ VDUTY ≤ VAD (L)
DUTY 0%
VAD (L) < VDUTY < VAD (H) (1 / 128 to 127 / 128)
in the figure to the right
VAD (H) ≤ VDUTY ≤ VDD
DUTY 100% (127 / 128)
4. FG output
FG, which represents the frequency of motor rotation, is output from the position detection signal input.
When stopped : LOW
When start is forcibly transferred : LOW
When normally rotated 1pulse signal is output in one electric cycle.
4polar motor
2 pulses / rotation
8polar motor
4 pulses / rotation
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