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參數(shù)資料
| 型號(hào)： | BD6718FV-E2 |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.02 A, PDSO20 |
| 封裝： | ROHS COMPLIANT, SSOP-20 |
| 文件頁(yè)數(shù)： | 22/34頁(yè) |
| 文件大?。?/td> | 1916K |
| 代理商： | BD6718FV-E2 |
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7) PWM soft switching＜BD6721FS、BD6722FS＞
The soft switching section is set to the timing before and after the change of the hall signal. The length of the soft
switching section can be changed by adjusting the amplitude of the hall signal. The soft switching section becomes
long if the amplitude of the hall signal is reduced, and the gradient of the output current becomes smooth. However,
when a soft switching is applied too much, torque shortage might be caused. Therefore, set to the hall signal amplitude
about 100mVpp that the reversely electromotive voltage is suppressed appropriately.
Fig.91 Relation between hall signal amplitude and output wave
The soft switching function operates in the DC input application and the pulse input application.
Adjust the hall bias resistance so that the hall signal amplitude become large when you do not want to use the soft
switching function.
(H+)-(H-)
A1
A2
A1
A2
When Hall Amplitude =
large
…SOFT SWITCHING
A1
A2
(H+)-(H-)
When Hall Amplitude =
appropriate
When Hall Amplitude =
small
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BD6721FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Single-Phase Full-Wave Motor Driver for Fan Motor |
| BD6721FS_1 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Single-Phase Full-Wave Motor Driver for Fan Motor |
| BD6721FS-E2 | 功能描述:IC MOTOR DRIVER SGL PHASE SSOP16 RoHS:是 類別:集成電路 (IC) >> PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器 系列:- 產(chǎn)品變化通告:ATA683(3,4)PLQW Obsolescence 09/Aug/2012 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:DC 電機(jī)控制器，無(wú)刷（BLDC），3 相 評(píng)估套件:可供 輸出數(shù):1 電流 - 輸出:100mA 電壓 - 負(fù)載:5.25 V ~ 20 V 電源電壓:5.25 V ~ 20 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-VQFN（7x7） 包裝:剪切帶 (CT) 其它名稱:ATA6833-PLQWCT |
| BD6722FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Single-Phase Full-Wave Motor Driver for Fan Motor |
| BD6722FS_1 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Single-Phase Full-Wave Motor Driver for Fan Motor |
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