參數(shù)資料
型號： IR22771S
廠商： International Rectifier
英文描述： Phase Current Sensor IC for AC motor control
中文描述： 相電流傳感器IC交流電機(jī)控制
文件頁數(shù)： 12/16頁
文件大?。?/td> 441K
代理商： IR22771S
IR22771S/IR21771S
(PbF)
12
www.irf.com
Figure 13:
Simplified block diagram
Figure 14:
Input filter transfer function (10 kHz PWM)
The second stage samples the result of the first
stage at double Sync frequency. This action can be
used to fully remove the odd harmonics from the
input signal.
To perform this cancellation it is necessary a shift of
90 degrees of the SYNC signal with respect to the
triangular carrier edges (SYNC2).
The following timing diagrams show the principle of
odd harmonics cancellation (Figure 15), in which
SYNC2 allows the sampling of stage 1 output
during odd harmonic zero crossings.
Odd harmonic cancellation using SYNC2 (i.e. 90
degrees shifted SYNC signal) signal will introduce
Tsync/4 additional propagation delay.
Another way to obtain the same result (odd
harmonics cancellation) can be achieved by
controller computing the average of two consecutive
PO results using SYNC1 (SYNC is in this case
aligned to triangular edges, i.e. 0 degree shift).
This method is suitable for most symmetric (center
aligned) PWM schemes.
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參數(shù)描述
IR22771SPBF 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 1200V PHASE CURRENT SENSING IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
IR22771STRPBF 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 1200VPhs Cur Sens IC for AC Mtr Cntrl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
IR2277S 制造商:IRF 制造商全稱:International Rectifier 功能描述:Phase Current Sensor IC for AC motor control
IR2277SPBF 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 1200V PHASE CURRENT SENSING IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
IR2277STRPBF 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 1200VPhs Cur Sens IC for AC Mtr Cntrl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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