About this part

UDN2987LWTR-6-T – 8-Channel High-Side Driver IC – Allegro MicroSystems

Optimize your power management systems with the UDN2987LWTR-6-T from Allegro MicroSystems. This 8-channel high-side driver IC delivers robust load switching for industrial and automotive applications, featuring integrated protection mechanisms and a wide operating voltage range. PCX ensures genuine Allegro components with rapid shipping and technical support.

Key Features

• 8 Output Channels with 350mA max current per channel
• Wide Load Voltage Range: 4.75V to 35V operation
• Bipolar High-Side Switching with non-inverting inputs
• Fault Protection: Fixed current limiting + over-temperature shutdown
• Status Flag for real-time system monitoring
• Surface-Mount Design: 20-SOIC package (7.50mm width)

Technical Details

This general-purpose power distribution switch operates via simple On/Off interface control without requiring separate supply voltage (Vcc/Vdd). Designed for -20°C to 85°C ambient temperatures, it provides 1:1 input-to-output ratio with bipolar output type. The device includes built-in status reporting for fault conditions and is ideal for space-constrained PCB layouts.

Typical Applications

• Industrial automation control systems
• Automotive lighting and relay drivers
• Peripheral device power management
• LED display matrix controllers
• Solenoid and actuator drive circuits

About Allegro MicroSystems

Allegro MicroSystems is a global leader in power semiconductor and sensor technologies, renowned for innovative solutions in automotive, industrial, and computing markets. With over 30 years of industry expertise, Allegro consistently delivers high-reliability components that meet rigorous automotive-grade qualifications and industrial standards.

The company maintains cutting-edge wafer fabrication facilities and invests heavily in R&D, resulting in products like the UDN2987 series that offer exceptional thermal performance and electrical robustness. Allegro’s commitment to quality is evidenced by ISO/TS 16949 certification and AEC-Q100 qualified offerings, making them a trusted partner for critical applications.

About Power Distribution Switches

Power distribution switches and load drivers are essential integrated circuits that manage electrical current flow to multiple subsystems within electronic devices. They act as intelligent gatekeepers, enabling safe power routing while protecting sensitive components from overloads, short circuits, and thermal stress. High-side drivers like the UDN2987 series isolate loads from control logic, simplifying circuit design.

These ICs are fundamental in modern electronics where precise power sequencing, load diagnostics, and space efficiency are critical. By integrating multiple discrete components into single packages, they reduce board complexity in applications ranging from factory robotics to vehicle control modules. Their protection features significantly improve system reliability while reducing maintenance costs.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging. Contact PCX for reel quantities and custom packaging requirements.

Frequently Asked Questions

Question: Is this IC suitable for automotive applications?
Answer: Yes, its -20°C to 85°C operating range and robust protection features make it ideal for automotive subsystems like lighting controls.

Question: Does this device require an external Vcc supply?
Answer: No, the UDN2987 operates without separate Vcc/Vdd supply voltage, simplifying power architecture.

Question: What does “Not For New Designs” status mean?
Answer: Allegro recommends this part for existing designs but suggests consulting PCX for lifecycle management and replacement options.

Question: How do I monitor fault conditions?
Answer: The integrated Status Flag pin provides real-time fault indication for over-current or over-temperature events.

Question: Can I drive inductive loads with this IC?
Answer: Yes, its bipolar outputs and current limiting are designed for inductive loads like solenoids and relays.

Question: Where can I find the datasheet?
Answer: Download the full UDN2987 datasheet from PCXCo.com/resources (Product images are representational).

Order Today for Fast Delivery!

Secure your supply of genuine Allegro UDN2987LWTR-6-T drivers through PCX. Enjoy same-day shipping on in-stock items and dedicated technical support. Submit your purchase requisition now to avoid production delays!