L99SM81V

批量生产
Design Win

具有微步进和失速检测的可编程步进电机驱动器,用于汽车应用

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产品概述

描述

The L99SM81V is an automotive grade integrated driver for bipolar two-phase stepper motors capable of current controlled micro-stepping with programmable amplitude. The device features a 5 V voltage regulator to supply external sensors.

The integrated Serial Peripheral Interface (SPI) makes it possible to adjust device parameters, control all operating modes and read out diagnostic information. Digital I/Os are also optionally usable for more flexible and reliable application control.

  • 所有功能

    • AEC-Q100 qualified
    • Stepper motor driver with up to 1.35 A current capability
    • Programmable stepping mode:
      • Full step, Half step, Mini step, 1/8 Micro step, 1/16 Micro step
    • Current regulation by integrated PWM control with fully integrated current sensing
    • Equivalent 10 bit resolution on current regulation loop:
      • Two 4-bit programmable full scale current amplitudes: one for RUN and one for HOLD mode
      • 6-bit DAC for reference current generation (whatever programmed full scale amplitude)
    • 4 programmable decay modes:
      • Slow-mode, mixed-mode and 2x automatically selected decay-modes
    • 3x programmable inputs for direct control of step clock, direction, hold and step modes
    • 1x programmable analog output for Tj measurement or band-gap reference
    • 2x programmable digital outputs for internally generated PWM ON duty cycles, error signals, coils voltage measurement synchronization signals
    • Programmable MOSFETs switching speed: four options for EMC and power dissipation trade-off optimization
    • PWM frequency wobbling for reduction of conducted EM energy
    • Outputs protection and diagnosis (open load, short to battery, short to GND)
    • Integrated ADC for coil voltage measurement and stall detection
    • 5 V low drop voltage regulator short-circuit protected
    • Very low current consumption in standby mode (typ. 10 µA)
    • Thermal warning and shutdown
    • ST SPI 4.0 interface for control and diagnostics

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EDA符号、封装和3D模型

STMicroelectronics - L99SM81V

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封装

3D model

3D模型

质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 材料声明**
L99SM81VQ6TR
批量生产
VFQFPN 6X6 汽车应用 Ecopack2
L99SM81VYTR
批量生产
PowerSSO 36 汽车应用 Ecopack2

L99SM81VQ6TR

Package:

VFQFPN 6X6

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

VFQFPN 6X6

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L99SM81VYTR

Package:

PowerSSO 36

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

PowerSSO 36

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

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产品型号
供货状态
Budgetary Price (US$)*/Qty
从ST订购
Order from distributors
包装类型
RoHS
Country of Origin
ECCN (US)
ECCN (EU)
L99SM81VYTR
Available at distributors

经销商的可用性 L99SM81VYTR

代理商名称
地区 库存 最小订购量 第三方链接

代理商库存报告日期:

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L99SM81VQ6TR
Available at distributors

经销商的可用性 L99SM81VQ6TR

代理商名称
地区 库存 最小订购量 第三方链接

代理商库存报告日期:

无法联系到经销商,请联系我们的销售办事处

L99SM81VYTR 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

L99SM81VYTR

代理商名称

代理商库存报告日期:

L99SM81VQ6TR 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

L99SM81VQ6TR

代理商名称

代理商库存报告日期:

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(*) 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