NCV70514MW003R2G by ON Semiconductor | Motion Motor Controllers | Avnet AMERICAS
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NCV70514MW003R2G

ON Semiconductor

Microstepping Motor Driver 6V to 29V 16-Pin QFN T/R

Manufacturer Part #: NCV70514MW003R2G

Avnet Manufacturer Part #: NCV70514MW003AR2G


RoHS Compliant

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The NCV70514 is a micro−stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. The NCV70514 contains a current−translation table and takes the next micro−step depending on the clock signal on the “NXT” input pin and the status of the “DIR” (= direction) register or input pin. The chip provides an error message if stall, an electrical error, an under−voltage or an elevated junction temperature is detected. It is using a proprietary PWM algorithm for reliable current control. NCV70514 is fully compatible with the automotive voltage requirements and is ideally suited for general−purpose stepper motor applications in the automotive, industrial, medical, and marine environment Due to the technology, the device is especially suited for use in applications with fluctuating battery supplies.

Key Features

  • 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

Technical Attributes

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Operating Temperature
-40 to 160 °C
Type
Microstepping Motor Driver
Maximum Operating Current
15 mA
MSL Level
3
Lead Finish
Matte Tin
Supplier Package
QFN
Pin Count
16
Operating Supply Voltage
6 to 29 V
Mounting
Surface Mount
Product Dimensions
5 x 5 x 0.875
Max Processing Temp
260

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