The L297 Stepper Motor Controller IC generates four phase drive signals for two phase bipolar and four phase unipolar step motors in microcomputercontrolled applications. The motor can be driven in half step, normal and wawe drive modes and onchip PWM chopper circuits permit switch-mode control of the current in the windings. A feature of this device is that it requires only clock, direction and mode input signals. Since the phase are generated internally the burden on the microprocessor, and the programmer, is greatly reduced. Mounted in DIP20 and SO20 packages, the L297 can be used with monolithic bridge drives such as the L298N or L293E, or with discrete transistors and darlingtons.
Features:-
Normal/wave drive
Half/full step modes
Clockwise/anticlockwise direction
Switchmode load current regulation
Programmable load current
Few external components
Reset input & home output
Enable input
Specifications:-
Parameter Value Unit
Vs Supply voltage 10 V
Vi Input signals 7 V
Ptot Total power dissipation (Tamb = 70?C) 1 W
Tstg, Tj Storage and junction temperature -40 to 150 ?C
Related Document:-
L297 IC Datasheet
* Product Images are shown for illustrative purposes only and may differ from actual product.
L297 Stepper Motor Controller IC DIP-20 Package
₹125.00
The L297 Stepper Motor Controller IC generates four phase drive signals for two phase bipolar and four phase unipolar step motors in microcomputercontrolled applications.
SKU:
CMD&I-0019
Category: Driver and Interface IC
Description
Shipping & Delivery
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Basic Information
Full bridge drivers, or H-bridges, are what are used in brush motor applications. Each IC has an operating voltage range of 6V to 15V and a maximum output current of 2A. The output stage's MOS transistors enable PWM speed control. Motor driver ICs that have been discontinued can be directly replaced thanks to the inbuilt VREF voltage control mechanism. Low-power consumption designs are made possible by these incredibly efficient H-bridge driver ICs.
Features
Built-in Selectable Features Cross-Conduction Prevention Circuit, OCP, OVP, TSD, and UVLO Protection Circuits, One Channel or Two Channels Configuration, VREF Voltage Setting Pin Enables PWM Duty Control, and One or Two Channels Configuration.
Key Particulars
Maximum Output Current: 0.5A, 1.0A, 2.0A;
Output ON-Resistance: 1.5;
PWM Input Frequency Range: 20kHz to 100kHz;
Standby Current: 0A;
Supply Voltage Range: 18V(Max); (Typ)
-40?C to 85?C is the operating temperature range.
Applications
VTR, CD/DVD players, audiovisual gear, optical disc drives, PC add-ons, and OA equipment
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