The ULQ2003ATPWRQ1 from Texas Instruments is a robust high-voltage, high-current Darlington transistor array designed for automotive applications and other demanding environments. This integrated circuit is part of TI's quality-assured product line, tailored to meet the rigorous standards of the automotive industry, and is AEC-Q100 qualified for automotive applications.
The device consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of each Darlington pair is 500 mA, making the ULQ2003ATPWRQ1 suitable for interfacing with relays, solenoids, and other high-current/high-voltage loads.
Each Darlington pair is capable of withstanding a peak voltage of 50V, ensuring compatibility with a wide range of supply voltages in automotive environments. The high current gain of the Darlington pairs allows for direct interfacing with microcontrollers and other logic devices, simplifying design and reducing component count.
The ULQ2003ATPWRQ1 is provided in a TSSOP-16 (Thin Shrink Small Outline Package) which offers a compact footprint suitable for space-constrained applications. The package is designed for optimal thermal performance, ensuring reliable operation over a wide temperature range of -40°C to 125°C, which is critical for automotive and industrial applications.
Key features of the ULQ2003ATPWRQ1 include:
- Seven Darlington pairs per IC
- Output current 500 mA per channel
- Output voltage 50V
- Common-cathode flyback diodes
- Input compatible with various types of logic
- AEC-Q100 qualified for automotive applications
- Extended temperature range: -40°C to 125°C
With its combination of high-voltage and high-current capabilities, the ULQ2003ATPWRQ1 is an excellent choice for driving a wide array of inductive loads, ensuring efficient and reliable operation in automotive and industrial control systems. Its TSSOP-16 packaging makes it an ideal solution for applications where space is at a premium, without compromising on performance or thermal management.