The peak current flow it can support without internal damage.

The vehicle cranks but refuses to fire when the engine bay is hot, but starts fine when cold.

NEC B58944 Datasheet Guide: The "Hot" Automotive ECU Driver Chip Uncovered

This article provides a comprehensive look at the , its applications, why it becomes hot, and how to approach its repair. What is the NEC B58944?

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Use a drag soldering technique with a chisel tip or fine solder wire to secure all 28 pins. Inspect under a microscope to confirm no solder bridges exist between the legs.

Understanding the NEC B58944: A Technical Overview of the Automotive ECU IC