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STSPIN820是一款步进电机驱动器，集成在一个4 x 4 mm的小型QFN封装,内含控制逻辑和低 RDSon功率级。
集成控制器实现PWM电流控制，具有固定的OFF时间和微步分辨率 到步骤的1/256th 。
可以强制设备进入低功耗状态。
该器件提供了一套完整的保护装置，包括电流过载保护、温度过高保护以及短路保护。主要特性
- 工作电压为7至45 V
- 最大输出电流1.5 Arms
- RDSon(HS) + LS = 1 Ω（典型值）
- 微步进可达 1/256th 步
- 具有可编程OFF时间的电流控制
- 基于外部分流电阻的电流检测
- 全保护设置
- 无损过流保护
- 短路保护
- 欠压锁定
- 热关机
- 待机低消耗
样片和购买
| 产品型号 | 供货状态 | 数量 | 预算价格(US$) | 封装 | 包装类型 | 温度（ºC） | ECCN (US) | Country of Origin | 更多信息 | 从分销商订购 | 从ST订购 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| STSPIN820 |
Active
|
1000 | 1.25 | TFQFPN 24L 4X4X1.05 | Tape And Reel | -40 | 150 | EAR99 | PHILIPPINES | 查看供货情况 | 立即购买 | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
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生态系统
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Picture 产品型号 制造商 描述 
STSPIN220 click MikroElektronika STSPIN220 click is a stepper motor driver with the PWM current control and selectable microstepping up to 256 microsteps. It is based on the STSPIN220, a low voltage stepper motor driver from STSPIN2 series. 
STSPIN250 click MikroElektronika STSPIN250 click is a brushed DC motor driver with the current limiting and current sensing. It is based on the STSPIN250, a low voltage DC brushed motor driver. 
STSPIN820 click MikroElektronika STSPIN820 click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a wide voltage range. 产品型号STSPIN220 click is a stepper motor driver with the PWM current control and selectable microstepping up to 256 microsteps. It is based on the STSPIN220, a low voltage stepper motor driver from STSPIN2 series.
STSPIN250 click is a brushed DC motor driver with the current limiting and current sensing. It is based on the STSPIN250, a low voltage DC brushed motor driver.
STSPIN820 click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a wide voltage range.
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Picture 产品型号 制造商 描述 
X-NUCLEO-IHM14A1 ST Stepper motor driver expansion board based on STSPIN820 for STM32 Nucleo 产品型号Stepper motor driver expansion board based on STSPIN820 for STM32 Nucleo
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评估工具
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Picture 产品型号 制造商 描述 
EVALSP820-XS ST Compact evaluation board for STSPIN820 stepper motor driver 产品型号Compact evaluation board for STSPIN820 stepper motor driver
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
