Nec — B58944 Datasheet 2021 [best]
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Used in various ME-series control modules (e.g., ME7.9.6, ME7.5).
Applicable in communications equipment, industrial controls, and personal electronics requiring robust driver ICs. 2021 Technical Context and Availability
NEC Corporation (now under the Renesas umbrella) and Bosch. nec b58944 datasheet 2021
As of 2021 and moving into 2026, the B58944 remains a "legacy yet essential" part. Because these chips are often custom-made for Tier 1 automotive suppliers like Bosch, they are typically sourced through specialized distributors rather than general consumer electronics retailers.
Double-check the suffix on the part number, as variations may exist for different voltage tolerances or temperature grades. Used in various ME-series control modules (e
Available via Worldway Electronics or Jotrin Electronics, which provide factory excess stock for repair workshops.
While full public datasheets for automotive-grade proprietary chips like the B58944 are often restricted to authorized manufacturers, the following technical profile has been established through industry procurement data: As of 2021 and moving into 2026, the
SOP-28 (Small Outline Package with 28 pins), a standard surface-mount format for high-density automotive circuits.