产品概要
描述
The L9935 is a two-phase stepper motor driver circuit suited to drive bipolar stepper motors.
The device can be controlled by a serial interface (SPI). All protections required to design a well protected system (short-circuit, over temperature, cross conduction etc.) are integrated.
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性能一览
- 2 x 1.1 A full bridge outputs
- Integrated chopping current regulation
- Minimized power dissipation during flyback
- Output stages with controlled output voltage slopes to reduce electromagnetic radiation
- Short-circuit protection of all outputs
- Error-flag for over load, open load and over temperature pre alarm
- Delayed channel switch on to reduce peak currents
- Max. operating supply voltage 24 V
- Standby consumption typically 40 μA
- Serial interface (SPI)
电路原理图
EDA Symbols, Footprints and 3D Models
STMicroelectronics - L9935
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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-L9935 | NRND 不推荐用于新设计。量产仅供支持现有生产。 | PowerSO-20 | Automotive | Ecopack2 | - | - | |
| E-L9935013TR | NRND 不推荐用于新设计。量产仅供支持现有生产。 | PowerSO-20 | Automotive | 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) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E-L9935013TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | ||||||||||
| E-L9935 | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
E-L9935013TR NRND
E-L9935 NRND