The ULN2067B, manufactured by STMicroelectronics, is a robust and versatile integrated circuit designed for driving inductive loads with high-current and high-voltage requirements. This device is particularly well-suited for interfacing between low-level logic circuitry and multiple peripheral power loads. With its ability to sink high currents, the ULN2067B is commonly used in applications involving relays, motors, solenoids, and stepper motors.
Key Features
- Output Current: The ULN2067B can sink up to 1.5A per channel, making it capable of driving a wide range of high-power devices.
- Output Voltage: It has a maximum output voltage of 50V, providing sufficient headroom for numerous industrial applications.
- Channels: This device contains four independent Darlington pairs, allowing it to control multiple loads simultaneously.
- Input Compatibility: The inputs are compatible with popular logic levels, which means it can be driven directly by microcontrollers, TTL, or CMOS devices.
- Protection Features: Built-in clamp diodes are included for inductive load transient suppression, offering protection against voltage spikes.
- Package: The ULN2067B is available in a 16-pin plastic DIP package, ensuring easy integration into a variety of circuit designs.
Applications
The ULN2067B is commonly used in a range of applications, including:
- Automotive environments for controlling indicators, wipers, or window motors.
- Industrial machines for activating relays, solenoids, or stepper motors.
- Consumer electronics where high-current peripheral control is required.
- Home automation systems for driving actuators and other high-current devices.
With its robust design and ability to handle high-current loads, the ULN2067B is an ideal choice for designers looking for a reliable driver solution. STMicroelectronics' commitment to quality ensures that this integrated circuit will perform reliably in the most demanding of environments.