NCV70514

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Micro-stepping Motor Driver

制造商：ON

中文数据手册

产品信息

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 junctiontemperature 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.

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

在线购买

型号	制造商	描述	购买
NCV70514MW003G	ON	IC MTR DRVR BIPOLAR 6-29V 32QFN	立即购买
NCV70514MW003R2G	ON	ICMOTORDVRMICRO-STEP32QFN	立即购买
NCV70514MW007R2G	-	-	立即购买

技术资料

标题	类型	大小（KB）	下载
QFN32, 5x5, 0.5P, 3.1x3.1EP	PDF	56	点击下载
Micro-stepping Motor Driver	PDF	313	点击下载
电机控制自适应前大灯系统	UNKNOW	135	点击下载
NCV7052XGEVK Bill of Materials ROHS Compliant	PDF	143	点击下载
NCV7052XGEVK Gerber Layout Files (Zip Format)	RAR	197	点击下载
NCV7052XGEVK Schematic	PDF	135	点击下载
NCV7052XGEVK Test Procedure	PDF	904	点击下载
NV705143R1DBGEVB Schematic	PDF	87	点击下载

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