产品概要
描述
The circuits consist of an LS-TTL compatible logic input, a current sensor, a monostable and an output stage with built-in protection diodes. Two TEA3718 ICs and a few external components form a complete control and drive unit for LS-TTL or microprocessor-controlled stepper motor systems.
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性能一览
- Current levels can be selected insteps or varied continuously
- Designed for unstabilized motor supply voltage
- Alarm output or pre-alarm output
- Half-step and full-step mode
- Built-in protection diodes
- Bipolar drive of stepper motor for maximum motor performance
- Wide voltage range 10 to 50 V
- Thermal overload protection
- Wide range of current control 5 to 1500 mA
电路原理图
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STMicroelectronics - TEA3718
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| E-TEA3718DP | Active 产品已量产 | PDIP 16 | Industrial | Ecopack3 | - | - | |
| E-TEA3718SDP | Active 产品已量产 | PDIP 16 | Industrial | Ecopack2 | - | - | |
| E-TEA3718SFP | Active 产品已量产 | SO-20 | Industrial | Ecopack2 | - | - | |
| E-TEA3718SFPTR | Active 产品已量产 | SO-20 | Industrial | Ecopack2 | - | - |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| E-TEA3718SDP | | | distributors 无法联系到经销商，请联系我们的销售办事处 | |||||||||||
| E-TEA3718DP | | | distributors 无法联系到经销商，请联系我们的销售办事处 | |||||||||||
| E-TEA3718SFPTR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | |||||||||||
| E-TEA3718SFP | | | distributors 无法联系到经销商，请联系我们的销售办事处 | |||||||||||
E-TEA3718SDP Active
E-TEA3718DP Active
E-TEA3718SFPTR Active
E-TEA3718SFP Active