Nec B58944 Datasheet 2021 !!better!! (2025)

The is a specialized integrated circuit (IC) that has long served as a backbone component in automotive electronics, specifically for Engine Control Units (ECUs). Even in 2021, when looking for reliable automotive components, the B58944 remained a critical part in repair and replacement markets for ECU Bosch systems, particularly in Honda, Fiat, and Iveco vehicles.

NEC B58944 123

When the chip fails, specialized shops rely on components sourced from providers like Jotrin Electronics or UTSource to perform board-level replacements. Replacement requires a hot-air rework station to desolder the 28-pin configuration safely without tearing the underlying copper circuit pads.

. It is often sold as factory excess or franchised distributor stock with a focus on the automotive repair aftermarket. Jotrin Electronics for this chip or a full list of compatible vehicle models B58944 NEC Authorized Resource & Competitive Price nec b58944 datasheet 2021

Parts are available from specialists like Jotrin Electronics or ECUfix . 5. Summary Table Specification Model NEC B58944 / Bosch B58944 Type Low-Side DMOS Switch Driver Package Common ECU Bosch ME7 / EDC16 Clamping Voltage Max Current

): Manages the output buffers to prevent data bus contention during read cycles. Write Enable ( WE¯modified WE with bar above

Part: B58944 • SO-28 • datasheet, pdf, info ... - Elparts The is a specialized integrated circuit (IC) that

Because this IC is an OEM proprietary-masked part, tracking its datasheet parameters requires looking at its cross-referenced semiconductor siblings:

Includes serial diagnostic interface and error detection capabilities.

The device features a surface-mount . This layout optimizes thermal dissipation through ground planes while reserving specialized pins for signal inputs and power outputs. Replacement requires a hot-air rework station to desolder

: Most units sold for repair are "empty" chips, meaning they do not contain pre-programmed data or software and are intended to replace physically damaged components on the circuit board .

If you are currently troubleshooting an active module, look up the specific printed on your outer metal ECU casing alongside this NEC identifier to cross-verify structural compatibility. Share public link

The device contains 6+2+2+4 DMOS low-side switches.