參數(shù)資料
型號: HA13565F
廠商: Hitachi,Ltd.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Three-Phase Brushless DC Motor Driver IC
中文描述: 三相無刷直流電動機(jī)驅(qū)動器IC
文件頁數(shù): 6/17頁
文件大?。?/td> 62K
代理商: HA13565F
HA13565F
6
Input Detection Timing
RPM Control Pin = L
0
+
65 to 200mVpp
0
+
Index detection
input
0
Index detection
output-1 *
2
0
Index detection
output-2 *
2
U phase hall
amp. input
Pin 19–Pin 20
Magnetization reduced
by 30% *
1
0
Index detection
output-3 *
2
Index output
Pin 5
Burst adjustment
0
0
0
FG amp.
output *
2
Index TC
Pin 4
Note: 1.
2.
3.
4.
5.
3.33ms
(@300rpm)
Hall amp. output *
2
Pin 3
To generate the index output, one pole of the main magnetization must be reduced so that
a difference of at least 30% is assured at the Hall amp. input.
These waveforms are shown to indicate the principles of operation, and are not actual
measured waveforms.
Burst adjustment is started by the fall of the index detector output 3, and then, it ends by
the third of fall of FG amp. output.
Incorrect pulses may be output immediately after (i.e., within about 200ms of) start-up.
If the reduction in the magnetization is inadequate, the index signal may not be generated.
Also note that excessive modulation of the Hall amp. input can cause incorrect pulses to be
generated.
6.67 to 10ms
(@300rpm) *
3
Vth2L
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