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参数资料
| 型号： | TB62201AF |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38 |
| 封装： | 0.450 INCH, 0.65 MM PITCH, HEAT SINK, PLASTIC, SOP-36/38 |
| 文件页数： | 68/89页 |
| 文件大小： | 1396K |
| 代理商： | TB62201AF |
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TB62201AF
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
相关PDF资料 |
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|---|---|
| TB62206F | STEPPER MOTOR CONTROLLER, 1.8 A, PDSO22 |
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| TB62214FTG | STEPPER MOTOR CONTROLLER, 2 A, PQCC48 |
| TB62754AFNG | SWITCHING REGULATOR, PDSO20 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB62201AFG | 制造商:Toshiba 功能描述:Stepper Motor Driver 5V 38-Pin (36+2Tab) HSOP 制造商:Toshiba 功能描述:Stepper Motor Driver 5V 38-Pin (36+2Tab) HSOP Cut Tape |
| TB62201AFG(EL) | 功能描述:马达/运动/点火控制器和驱动器 Combination Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TB62202AFG | 制造商:Toshiba America Electronic Components 功能描述: |
| TB62202AFG(EL) | 功能描述:马达/运动/点火控制器和驱动器 Combination Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TB62206FG | 制造商:Toshiba America Electronic Components 功能描述:2-Phase Stepping Motor Driver 5V 22-Pin(20+2Tab) HSOP |
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