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Siehe Technische Spezifikationen

A3977KLP +BOM

Step motor controller

Hersteller:

Allegro MicroSystems
Herstellerteil #:

A3977KLP
Datenblatt:

A3977KLP Datenblatt (PDF)
Part Life Cycle Code:

Obsolete
Pin Count:

28
Reach Compliance Code:

compliant
ECCN Code:

EAR99

A3977KLP Allgemeine Beschreibung

When it comes to high-performance stepper motor control, the A3977KLP motor driver IC from Allegro Microsystems stands out as an exceptional choice. Its impressive operating voltage range of 10V to 50V ensures compatibility with a wide variety of stepper motor configurations, making it suitable for diverse applications. With an output current of up to 3A per phase, it has the capability to drive various stepper motors with different power requirements, offering flexibility and adaptability. The microstepping capability with programmable step resolutions up to 1/16th of a step allows for precise and smooth motor control, resulting in accurate positioning and movement. Additionally, the A3977KLP is equipped with built-in thermal shutdown and overcurrent protection, ensuring the safety and reliability of the motor driver during operation. Its compatibility with different logic input types, including CMOS, TTL, and differential, makes it easy to integrate into existing control systems, enhancing its versatility and usability

Hauptmerkmale

±2.5 A, 35 V Output Rating
Low rDS(on) Outputs, 0.45 Ω Source, 0.36 Ω Sink Typical
Automatic Current Decay Mode Detection/Selection
3.0 V to 5.5 V Logic Supply Voltage Range
Mixed, Fast, and Slow Current Decay Modes
Home Output
Synchronous Rectification for Low Power Dissipation
Internal UVLO and Thermal Shutdown Circuitry
Crossover-Current Protection

Spezifikationen

Part Life Cycle Code	Obsolete	Pin Count	28
Reach Compliance Code	compliant	ECCN Code	EAR99
HTS Code	8542.39.00.01	Analog IC - Other Type	STEPPER MOTOR CONTROLLER
JESD-30 Code	R-PDSO-G28	JESD-609 Code	e0
Length	9.7 mm	Number of Functions	1
Number of Terminals	28	Operating Temperature-Max	125 °C
Operating Temperature-Min	-40 °C	Output Current-Max	2.5 A
Peak Reflow Temperature (Cel)	240	Qualification Status	Not Qualified
Seated Height-Max	1.2 mm	Supply Voltage-Max (Vsup)	5.5 V
Supply Voltage-Min (Vsup)	3 V	Supply Voltage-Nom (Vsup)	5 V
Surface Mount	YES	Technology	NMOS
Temperature Grade	AUTOMOTIVE	Terminal Finish	Tin/Lead (Sn/Pb)
Terminal Form	GULL WING	Terminal Pitch	0.65 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Width	4.4 mm	Series	-
Motor Type - Stepper	Bipolar	Motor Type - AC, DC	-
Function	Driver - Fully Integrated, Control and Power Stage	Output Configuration	Half Bridge (4)
Interface	Logic	Step Resolution	1, 1/2, 1/4, 1/8
Applications	General Purpose	Current - Output	2.5A
Voltage - Supply	3V ~ 5.5V	Voltage - Load	8V ~ 35V
Operating Temperature	-40°C ~ 150°C (TJ)	Mounting Type	Surface Mount
Base Product Number	A3977

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