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參數(shù)資料
| 型號： | TB62201AFG |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38 |
| 封裝： | 0.450 INCH, 0.65 MM PITCH, PLASTIC, HSOP-36/38 |
| 文件頁數(shù)： | 68/89頁 |
| 文件大?。?/td> | 1396K |
| 代理商： | TB62201AFG |
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TB62201AFG
2005-04-04
70
Operating Time for Overcurrent Protector Circuit
(ISD non-sensitivity time and ISD operating time)
A non-sensitivity time is set for the overcurrent protector circuit to avoid misdetection of overcurrent due to spike
current at irr or switching.
The non-sensitivity time synchronizes with the frequency of the CR for setting the chopping frequency. The
non-sensitivity time is set as follows :
Non-sensitivity time = 4 × CR cycle
The time required for the ISD to actually operate after the no-sensitivity time is as follows :
Minimum: 5 × CR cycle
Maximum: 8 × CR cycle
Therefore, from the time overcurrent flows to the output transistors to the time output halts is as follows.
Note that ideally, the operating time is the operating time when overcurrent flows. Depending on the output control
mode timing, the overcurrent protector circuit may not be triggered.
Therefore, to ensure safe operation, add a fuse to the VM power supply for protection.
The fuse capacity would vary according to the use conditions. However, select a fuse whose capacity avoids any
operating problems and does not exceed the power dissipation for the IC.
Point where overcurrent flows to output transistors (overcurrent status start)
Output halts (Reset status)
CR oscillation
(basic chopping
waveform)
(Non-sensitivity time)
ISD BLANK time
min
max
ISD operating time
min
max
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TB62201AFG(EL) | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver 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 |
| TB62202AFG | 制造商:Toshiba America Electronic Components 功能描述: |
| TB62202AFG(EL) | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver 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 |
| TB62206FG | 制造商:Toshiba America Electronic Components 功能描述:2-Phase Stepping Motor Driver 5V 22-Pin(20+2Tab) HSOP |
| TB62206FG(EL) | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Stepping Motor Driver 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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