L9942

批量生产

双极电机的步进电机驱动器,具有微步进可编程电流曲线

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概述
Online design
样片和购买
解决方案
文件
CAD资源
工具与软件
质量与可靠性
开始
Partner products
Sales Briefcase

产品概述

描述

The L9942 is an integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile look-up-table to allow a flexible adaptation of the stepper motor characteristics and intended operating conditions. It is possible to use different current profiles depending on target criteria: audible noise, vibrations, rotation speed or torque. The decay mode used in PWM-current control circuit can be programmed to slow-, fast-, mixed-and auto-decay. In autodecay mode device will use slow decay mode if the current for the next step will increase and the fast decay or mixed decay mode if the current will decrease. The programmable stall detection is useful in case of head lamp leveling and bending light application, by preventing to run the motor too long time in stall for position alignment. If a stall is detected, the alignment process is closed and the noise is minimized.
  • 所有功能

    • Two full bridges for max. 1.3 A load(RDSON= 500 mΩ)
    • Programmable current waveform with look-up table: 9 entries with 5 bit resolution
    • Current regulation by integrated PWM controller and internal current sensing
    • Programmable stepping mode: full, half, mini and microstepping
    • Programmable slew rate for EMC and power dissipation optimization
    • Programmable Fast-, Slow-, Mixed- and Auto-Decay Mode
    • Full-scale current programmable with 3 bit resolution
    • Programmable stall detection
    • Step clock input for reduced μController requirements
    • Very low current consumption in standby mode IS< 3 μA, typ. Tj≤ 85 °C
    • All outputs short circuit protected with openload, overload current, temperature warning and thermal shutdown
    • The PWM signal of the internal PWM controller is available as digital output.
    • All parameters are guaranteed for 3 V < Vcc < 5.3 V and for 7 V < Vs < 20 V

电路原理图

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    • 产品型号
      状态
      描述
      类型
      供应商

      EVAL-L9942

      批量生产

      L9942XP微步进全集成电机驱动器的评估板

      汽车IC评估板 --
      EVAL-L9942

      描述:

      L9942XP微步进全集成电机驱动器的评估板

EDA符号、封装和3D模型

STMicroelectronics - L9942

为您的应用下载所有EDA符号、封装和3D模型,加快您的设计速度。您可以从大量CAD格式中进行选择,以匹配您的设计工具链。

Symbols

符号

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3D model

3D模型

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
L9942XP1
批量生产
PowerSSO 24 汽车应用 Ecopack2
L9942XP1TR
批量生产
PowerSSO 24 汽车应用 Ecopack2

L9942XP1

Package:

PowerSSO 24

Material Declaration**:

PDF

Marketing Status

批量生产

Package

PowerSSO 24

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9942XP1TR

Package:

PowerSSO 24

Material Declaration**:

PDF

Marketing Status

批量生产

Package

PowerSSO 24

Grade

Automotive

RoHS Compliance Grade

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

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
L9942XP1TR Available at 1 distributors

经销商的可用性L9942XP1TR

代理商名称
地区 库存 最小订购量 第三方链接
MOUSER WORLDWIDE 63 1 马上订购

代理商库存报告日期: 2021-06-19

代理商名称

MOUSER

库存

63

Min.Order

1

地区

WORLDWIDE 马上订购

代理商库存报告日期: 2021-06-19

Free Sample Buy Direct
批量生产
EAR99 NEC Tape And Reel PowerSSO 24 - - MALAYSIA 2.48 / 1k
L9942XP1 无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tube PowerSSO 24 - - MALAYSIA 2.48 / 1k

L9942XP1TR

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.48 / 1k

经销商的可用性L9942XP1TR

代理商名称
地区 库存 最小订购量 第三方链接
MOUSER WORLDWIDE 63 1 马上订购

代理商库存报告日期: 2021-06-19

代理商名称

MOUSER

库存

63

Min.Order

1

地区

WORLDWIDE 马上订购

代理商库存报告日期: 2021-06-19

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

PowerSSO 24

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

2.48 / 1k

Country of Origin

MALAYSIA

L9942XP1

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

2.48 / 1k

ECCN (EU)

NEC

包装类型

Tube

封装

PowerSSO 24

Operating Temperature (°C)

(最小值)

-

(最大值)

-

Budgetary Price (US$)* / Qty

2.48 / 1k

Country of Origin

MALAYSIA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商