Manufacturer Part Number
ULN2001A
Manufacturer
STMicroelectronics
Introduction
High-voltage, high-current Darlington transistor arrays
Seven NPN Darlington pairs with common emitters
Product Features and Performance
Maximum input-output voltage of 50V
Maximum output current of 500mA per driver
High-voltage outputs can withstand peak currents of 600mA
Inputs are compatible with various types of logic, including TTL and CMOS
Inputs are pinned-out for easy interfacing
Relay, hammer, lamp, and other inductive loads can be driven
Product Advantages
Suitable for driving a wide range of loads
Ability to switch high-voltage and high-current loads
Simple interface with various logic families
Robust and reliable design
Key Technical Parameters
Operating voltage range: -40°C to 85°C
Package: 16-DIP (0.300", 7.62mm)
Mounting type: Through-hole
Input type: Inverting
Number of outputs: 7
Output configuration: Low-side
Quality and Safety Features
RoHS3 compliant
Designed for robust and reliable operation
Compatibility
Suitable for driving a variety of loads, including relays, solenoids, lamps, and other inductive loads
Application Areas
Industrial control and automation
Motor control
Automotive electronics
Home appliances
Lighting systems
Product Lifecycle
The ULN2001A is an established and widely used product, with no immediate plans for discontinuation.
Replacement or upgrade options may include more advanced Darlington arrays or MOSFET-based drivers, depending on the specific application requirements.
Key Reasons to Choose This Product
Proven reliability and long-standing performance in a wide range of applications
Ability to switch high-voltage and high-current loads with a simple logic interface
Robust design and wide operating temperature range
Ease of integration and compatibility with various logic families
Cost-effective solution for driving inductive and other high-power loads