The ULQ2802A, from STMicroelectronics, is an integrated high-voltage, high-current Darlington transistor array designed to interface with a wide variety of digital circuits such as TTL, CMOS, PMOS, and microprocessor inputs. This robust octal driver is a reliable solution for driving inductive loads such as relays, solenoids, stepping motors, and other high-current/high-voltage loads in a compact and energy-efficient manner.

Key Features

• Output Current: The device can deliver up to 500 mA for each channel, making it suitable for driving a variety of high-power components.
• High Voltage Outputs: With an output voltage of 50V, the ULQ2802A can easily handle the requirements of most high-voltage applications.
• Integrated Suppression Diodes: Each output includes an integrated suppression diode for inductive loads, thereby protecting the device from inductive kickback when driving coils or similar components.
• Input Compatibility: The array is compatible with a wide range of input signals, ensuring easy integration with various logic levels.
• Output Clamp Diodes: Inputs and outputs are equipped with clamp diodes to ensure device safety during transient conditions.

Applications

The ULQ2802A is versatile and is commonly used in applications such as:

• Relay drivers
• Hammer drivers
• Lamp drivers
• Display drivers (LED and gas discharge)
• Line drivers
• Logic buffers

Technical Specifications

With its robust design and high-performance capabilities, the ULQ2802A from STMicroelectronics is an excellent choice for designers looking to drive high-voltage loads with ease and reliability.