ULN2003 Motor Driver IC (DIP) for Arduino & Raspberry Pi

The ULN2003 Motor Driver IC is a high-voltage, high-current Darlington transistor array designed for driving stepper motors, relays, and other inductive loads. Featuring seven open-collector Darlington pairs with integrated clamp diodes, this IC simplifies interfacing logic-level signals with high-power loads. Ideal for Arduino, Raspberry Pi, and other microcontroller platforms, the ULN2003 is widely used in robotics, automation, and control systems.

Key Features

• 7-channel Darlington transistor array

• TTL/CMOS logic compatible inputs

• Built-in flyback diodes for inductive load protection

• Drives relays, stepper motors, solenoids, and LEDs

• Directly compatible with Arduino and Raspberry Pi

Technical Details

• Product Name: ULN2003 Motor Driver IC

• Package Type: DIP-16 (Dual In-line Package)

• Number of Channels: 7

• Input Voltage (Logic): 2.5V to 5V TTL/CMOS

• Output Voltage (Max): Up to 50V

• Output Current (Per Channel): 500mA continuous

• Total Output Current: Up to 2.5A with proper heat dissipation

• Clamp Diodes: Integrated freewheeling diodes for each channel

• Pin Configuration: 7 input pins, 7 output pins, common COM pin

• Dimensions: Approx. 19.3mm (L) x 6.3mm (W) x 4.5mm (H)

• Weight: Approx. 2g

• Operating Temperature Range: -20°C to +85°C

• RoHS Compliant: Yes

Applications

• Stepper motor and servo motor control

• Relay and solenoid driver circuits

• LED matrix and high-power LED control

• Automation and robotics projects

• Interfacing low-power microcontrollers with high-load devices

Why Choose the ULN2003 Motor Driver IC?

The ULN2003 Motor Driver IC provides a reliable and efficient way to control multiple high-current loads with low-power digital outputs. Its built-in diodes ensure protection for your circuit, while the DIP package offers easy breadboarding and soldering for prototyping or final designs. Trusted by electronics hobbyists and engineers alike, it’s a must-have for any embedded project involving motors or relays.

Package Includes

• 1 x ULN2003 Motor Driver IC (DIP-16)