NCV70514: 微步电机驱动器

Datasheet: Micro-stepping Motor Driver
Rev. 6 (384kB)
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NCV70514 是一款用于双极步进电机的微步进电机驱动器。该芯片通过 IO 引脚和 SPI 接口与外部微处理器进行联接。NCV70514 包含一个电流转换表,根据 NXT 输入引脚上的时钟信号以及 DIR(方向)寄存器或输入引脚的状态采用下一个微步进。如果检测到失速、电子错误、欠电压或结温度升高,该芯片则会提供错误消息。它使用专属的 PWM 算法实现可靠的电流控制。 NCV70514 完全符合汽车电压要求,非常适合汽车、工业、医疗和海洋环境中的通用型步进电机应用。 由于其技术,此器件特别适合使用波动电池电源的应用。
特性
 
  • Dual H−bridge for 2−phase Stepper Motors
  • Programmable Peak−current up to 800 mA
  • On−chip Current Translator
  • SPI Interface with Daisy Chain Capability
  • 7 Step Modes from Full−step up to 32 Micro−steps
  • Fully Integrated Current−sensing and Current−regulation
  • On Chip Stall Detection
  • PWM Current Control with Automatic Selection of Fast and Slow Decay
  • Fixed PWM Frequency
  • Active Fly−back Diodes
  • Full Output Protection and Diagnosis
  • Thermal Warning and Shutdown
  • Compatible with 3.3 V Microcontrollers, 5 V Tolerant Inputs, 5 V Tolerant Open Drain Outputs
  • Reset Function
  • Overcurrent Protection
  • Enhanced Under Voltage Management
  • Step Mode Selection Inputs
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
应用
  • Small Positioning Applications
  • Automotive (headlamp alignment, HVAC, idle control, cruise control)
  • Industrial Equipment (lighting, fluid control, labeling, process control, XYZ tables, robots)
  • Building Automation (HVAC, surveillance, satellite dish, renewable energy systems)
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCV70514R1DAGEVB Active
NCV70514 Daughter Board for SPI Stepper Driver EVK
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Compliance
具体说明
封装
MSL
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预算价格 (1千个数量的单价)
类型
外形
类型
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类型
数量
NCV70514MW003G Obsolete
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV70514 QFN-32 488AM 3 260 Tape and Reel 1  
NCV70514MW003R2G Consult Sales Office
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV70514 QFN-32 488AM 3 260 Tape and Reel 5000  
NCV70514MW007R2G Consult Sales Office
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV70514, with cold boost current 1100mA QFN-32 488AM 1 260 Tape and Reel 5000  
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : Contact Factory
市场订货至交货的时间(周) : Contact Factory
外形
488AM   
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