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參數(shù)資料
| 型號： | TB62202AFG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type |
| 中文描述： | 雙辦公自動化設備步進馬達驅動IC用PWM斬波型 |
| 文件頁數(shù)： | 68/84頁 |
| 文件大?。?/td> | 1272K |
| 代理商： | TB62202AFG |
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TB62202AFG
2005-04-04
68
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 non-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 V
M
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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TB62202AFG(EL) | 功能描述:馬達/運動/點火控制器和驅動器 Combination Motor Driver RoHS:否 制造商:STMicroelectronics 產品: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/運動/點火控制器和驅動器 Stepping Motor Driver RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TB62206FG(O,EL) | 功能描述:馬達/運動/點火控制器和驅動器 2-Phase Bipolar IC 40V 1.8A POR RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| TB62207BFG(O,EL) | 制造商:Toshiba America Electronic Components 功能描述:2 STEPPER MOTOR DRIVE, 40V 1.5A HSOP36 制造商:Toshiba America Electronic Components 功能描述:2 Stepper Motor Drive 37V 2.5A TB62207BF |
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