• UCN5801A DIP
UCN5801A DIP

UCN5801A

French Electronic Distributor since 1988

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Overview of UCN5801A

The UCN5801A is a high-current, high-voltage Darlington transistor array IC designed for use in applications such as stepper motor driving and display systems. It features built-in clamp diodes for inductive loads, making it suitable for driving relays, solenoids, and unipolar stepper motors.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • COM: Common connection for all drivers
  • OUT1: Output for driver 1
  • OUT2: Output for driver 2
  • OUT3: Output for driver 3
  • OUT4: Output for driver 4
  • OUT5: Output for driver 5
  • OUT6: Output for driver 6
  • OUT7: Output for driver 7
  • OUT8: Output for driver 8
  • VS: Power supply
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UCN5801A IC for a visual representation.

Key Features

  • High-Current Darlington Array: Contains eight high-current Darlington transistor pairs for driving inductive loads.
  • Built-in Clamp Diodes: Features clamp diodes for inductive load protection and energy recovery.
  • High-Voltage Capability: Supports high-voltage applications up to 50V.
  • Thermal Shutdown Protection: Includes thermal shutdown circuitry to prevent overheat conditions.
  • Wide Operating Temperature Range: Operates across a wide temperature range, suitable for industrial environments.
  • Eight Outputs: Provides individual outputs for controlling various loads independently.

Note: For detailed technical specifications, please refer to the UCN5801A datasheet.

Application

  • Stepper Motor Driving: Ideal for driving stepper motors in various applications including robotics and automation.
  • Display Systems: Suitable for driving display segments in electronic signage and scoreboards.
  • Relay and Solenoid Control: Used for controlling relays and solenoids in industrial automation systems.

Functionality

The UCN5801A is a versatile high-current Darlington transistor array designed for driving inductive loads with built-in protection features. It simplifies control of stepper motors, relays, and solenoids in electronic applications.

Usage Guide

  • Power Supply: Connect the VS pin to the positive power supply and GND to the ground.
  • Output Connections: Connect the individual OUT pins to the corresponding load inputs for independent control.
  • Inductive Load Protection: Utilize the built-in clamp diodes to protect the IC from inductive kickback.

Frequently Asked Questions

Q: What is the maximum voltage rating for the UCN5801A?
A: The UCN5801A supports high-voltage applications up to 50V.

Q: How does thermal shutdown protection work in the UCN5801A?
A: The IC includes thermal shutdown circuitry that triggers in case of excessive heat, protecting the device from damage.

Equivalent

For similar functionalities, consider these alternatives to the UCN5801A:

  • ULN2803A: This is an octal high-voltage high-current Darlington array offering comparable performance to the UCN5801A.
  • MC1413: A high-voltage Darlington transistor array suitable for driving inductive loads in various applications.

UCN5801A

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code Yes Part Life Cycle Code Obsolete
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC Part Package Code DIP
Package Description 0.400 INCH, DIP-22 Pin Count 22
Reach Compliance Code ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer Allegro Microsystems
Built-in Protections TRANSIENT Driver Number of Bits 8
Input Characteristics STANDARD Interface IC Type LATCH BASED PERIPHERAL DRIVER
JESD-30 Code R-PDIP-T22 JESD-609 Code e3
Length 27.555 mm Number of Functions 1
Number of Terminals 22 Operating Temperature-Max 85 °C
Operating Temperature-Min -20 °C Output Characteristics OPEN-COLLECTOR
Output Current Flow Direction SINK Output Current-Max 0.35 A
Output Peak Current Limit-Nom 0.5 A Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY Package Code DIP
Package Equivalence Code DIP22,.4 Package Shape RECTANGULAR
Package Style IN-LINE Peak Reflow Temperature (Cel) 260
Power Supplies 5/12 V Qualification Status Not Qualified
Seated Height-Max 5.33 mm Supply Voltage-Nom 5 V
Surface Mount NO Technology BIMOS
Temperature Grade OTHER Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE Terminal Pitch 2.54 mm
Terminal Position DUAL Width 10.16 mm

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