The ULN2003AIPWRG4 is a high-voltage, high-current Darlington transistor array from Texas Instruments. This integrated circuit is designed to interface between low-level logic circuitry and multiple peripheral power loads. With its robust output drivers, the ULN2003AIPWRG4 is capable of sinking up to 500mA per channel and can withstand peak currents of 600mA. This makes it an ideal choice for driving a wide range of loads such as relays, solenoids, stepper motors, and LED displays.
Each of the seven output channels includes a Darlington pair, with output clamp diodes for inductive transient suppression. These diodes are essential for applications involving inductive loads, as they protect the device by shunting voltage spikes away from sensitive circuitry. The ULN2003AIPWRG4 is characterized for operation from 0°C to 70°C, making it suitable for commercial-grade applications.
The device comes in a TSSOP-16 (Thin Shrink Small Outline Package) package, which is designed for space-efficient applications. Its small form factor and surface-mount design make it a convenient choice for compact and integrated designs. The ULN2003AIPWRG4 is also RoHS compliant, ensuring adherence to the latest environmental standards and regulations.
Key features of the ULN2003AIPWRG4 include:
- Seven Darlington pairs per IC
- Output current 500mA per channel
- Output voltage 50V
- Input compatible with various types of logic, including TTL, 5V CMOS, and PMOS
- Integrated suppression diodes for inductive loads
- Common-cathode clamp diodes
- Wide operating temperature range
- TSSOP-16 package for space-saving design
- RoHS compliant
With its combination of power handling capabilities and ease of interfacing with digital control circuitry, the ULN2003AIPWRG4 is a versatile component for designers who require reliable drivers for their power loads. Whether for industrial control systems, consumer electronics, or automotive applications, this device from Texas Instruments provides a practical and efficient solution.