NCV70522 – Micro-Stepping Motor Driver

NCV70522 Datasheet PDF learn more.

Part number : NCV70522

Functions : This is a kind of semiconductor, Micro-Stepping Motor Driver.

Pin arrangement :

Package information :

Manufacturer : ON Semiconductor

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NCV70522 Datasheet PDF

The texts in the PDF file :

AMIS-30522, NCV70522 Micro-Stepping Motor Driver Introduction The AMIS−30522/NCV70522 is a micro−stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and a SPI interface with an external microcontroller. The AMIS−30522/NCV70522 contains a current−translation table. It 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 a so−called “Speed and Load Angle” output. This allows the creation of stall detection algorithms and control loops based on load−angle to adjust torque and speed. It is using a proprietary PWM algorithm for reliable current control. The AMIS −30522/NCV70522 is implemented in I 2 T100 technology, enabling both high voltage analog circuitry and digital functionality on the same chip. The chip is fully compatible with the automotive voltage requirements. The 522 is ideally suited for general purpose stepper motor applications in the automotive, industrial, medical and marine environment. The AMIS−30522 is intended for use in industrial applications. The NCV70522 version is qualified for use in automotive applications.

Features

http://onsemi.com PINOUT POR/WD MOTXP 26 VBB MOTXP 25 24 GND 23 GND 22 MOTXN 21 MOTXN 20 MOTYN 19 MOTYN 18 GND 17 GND 9 CPN 10 CPP 11 VCP 12 CLR 13 CS 14 VBB 15 MOTYP 16 MOTYP DO TSTO 30 29 VDD 32 GND DI CLK NXT DIR ERR SLA 1 2 3 4 5 6 7 8 31 28 27 AMIS−30522/ NCV70522 • Dual H−Bridge for 2 Phase Stepper Motors • Programmable Peak−Current up to 1.2 A Continuous (1.5 A Short • • • • • • • • • • • • • • • • Time), Using a 5−Bit Current DAC On−Chip Current Translator SPI Interface Speed and Load−Angle Output 7 Step Modes from Full−Step up to 32 Micro−Steps Fully Integrated Current−Sense PWM Current Control with Automatic Selection of Fast and Slow Decay Low EMC PWM with Selectable Voltage Slo [ … ]

NCV70522 PDF File


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