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L297 Integrated Circuit Chip STEPPER MOTOR CONTROLLERS

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L297 Integrated Circuit Chip STEPPER MOTOR CONTROLLERS

: Large Image : L297 Integrated Circuit Chip STEPPER MOTOR CONTROLLERS

Product Details:

Place of Origin:	Original
Brand Name:	STMICROELECTRONICS
Certification:	Original Factory Pack
Model Number:	L297

Payment & Shipping Terms:

Minimum Order Quantity:	20pcs
Price:	Negotiation
Packaging Details:	please contact me for details
Delivery Time:	1 Day
Payment Terms:	T/T, Western Union,PayPal
Supply Ability:	5200PCS

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Detailed Product Description

Supply Voltage:	4.75- 7 V	Quiescent Supply Current (pin 12):	50- 80 MA
Input Voltage:	0.6 V	Input Current:	100 µA
Enable Input Voltage:	1.3 V
High Light:	electronics ic chip , integrated circuit components

STEPPER MOTOR CONTROLLERS

L297 Integrated Circuit Chip STEPPER MOTOR CONTROLLERS

►NORMAL/WAWE DRIVE

►HALF/FULL STEP MODES

►CLOCKWISE/ANTICLOCKWISE DIRECTION

►SWITCHMODE LOAD CURRENT REGULATION ►PROGRAMMABLE LOAD CURRENT

►FEW EXTERNAL COMPONENTS

►RESET INPUT & HOME OUTPUT

►ENABLE INPUT

DESCRIPTION

The L297/A/D Stepper Motor Controller IC generates four phase drive signals for two phase bipolar and four phase unipolar step motors in microcomputer-controlled applications. The motor can be driven in half step, normal and wawe drive modes and on-chip PWM chopper circuits permit switchmode 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 theprogrammer,is greatlyreduced. 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.

ABSOLUTE MAXIMUM RATINGS

Symbol	Parameter	Value	Unit
Vs	Supply voltage	10	V
Vi	Input signals	7	V
P_tot	Total power dissipation (Tamb = 70°C)	1	W
Tstg, Tj	Storage and junction temperature	-40 to + 150	°C