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NCV70501 fiches techniques PDF

ON Semiconductor - Micro-Stepping Motor Driver

Numéro de référence NCV70501
Description Micro-Stepping Motor Driver
Fabricant ON Semiconductor 
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NCV70501 fiche technique
NCV70501
Micro-Stepping Motor
Driver
Introduction
NCV70501 is a microstepping stepper motor driver for bipolar
stepper motors. The chip is connected through I/O pins and an SPI
interface with an external microcontroller. The NCV70501 contains a
currenttranslation table and takes the next microstep 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 or an elevated junction temperature is detected.
It is using a proprietary PWM algorithm for reliable current control.
NCV70501 is fully compatible with the automotive voltage
requirements and is ideally suited for generalpurpose low current
range stepper motor applications in the automotive, industrial,
medical, and marine environment.
Features
Dual HBridge for 2Phase Stepper Motors
Programmable PeakCurrent Up to 300 mA
OnChip Current Translator
SPI Interface With Daisy Chain Capability
6 Step Modes from FullStep up to 16 MicroSteps
Fully Integrated CurrentSensing and CurrentRegulation
On Chip Stall Detection
PWM Current Control with Automatic Selection of Fast and Slow
Decay
Fixed PWM Frequency
Active FlyBack 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
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AECQ100
Qualified and PPAP Capable
These Devices are PbFree and are RoHS Compliant
http://onsemi.com
MARKING
DIAGRAM
SOIC16
CASE 751B
NCV705012G
AWLYWW
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = PbFree Package
PINOUT
DO
CSB
DI
GND
CLK
1
2
3
4
5
NXT 6
DIR
ERRB
7
8
16 TST
15 MOTXP
14 MOTXN
13 GND
12 VBB
11 MOTYP
10 MOTYN
9 RHB
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
March, 2013 Rev. 2
1
Publication Order Number:
NCV70501/D

PagesPages 22
Télécharger [ NCV70501 ]


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