参数资料
型号: TB6582FG
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 0.002 A, PQFP52
封装: 10 X 10 MM, 0.65 MM PITCH, ROHS COMPLIANT, PLASTIC, QFP-52
文件页数: 5/28页
文件大小: 279K
代理商: TB6582FG
TB6582FG
2007-10-18
Design Specifications
13
6.
Sample and Hold of the Phase Current
The pseudo-sine waveform is generated from the PWM waveform by sampling and holding the voltage
value that is converted from the detected phase-current value as described in section 5.
The sample-and-hold timing is synchronized with the carrier frequency.
Detection Image
Waveform Simulation for the Operation Check (shunt current/sample and hold, CW/CCW = Low)
2 V
Sample-and-hold result
Carrier frequency
300
300 m
100
0.00
100
I V
(V)
I U
(V)
300
300 m
100
0.00
100
Shunt current waveform
Sample and hold waveform
Time (s)
I W
(V)
4.10
4.50
4.90
5.30
5.70
6.10 m
300
300 m
100
0.00
100
Preliminary
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