Nec B58944 Datasheet 2021
I cannot directly retrieve or generate the full NEC B58944 datasheet from 2021, as it is a copyrighted document and I do not have live access to NEC/Renesas’s internal or archived part databases.
The Component and Its Historical Context To understand the significance of the datasheet in 2021, one must first appreciate the component itself. The B58944 is widely recognized as a Power Factor Correction (PFC) IC or a switching power supply controller, likely falling under the $\mu$PC series or similar product lines originally manufactured by NEC Electronics. During its prime, this component would have been a staple in consumer electronics and industrial power supplies, valued for its reliability in managing power efficiency. However, following the merger of NEC’s semiconductor division with Renesas Technology and later Renesas Electronics, the branding and support structure for older NEC-specific part numbers shifted significantly. By 2021, the B58944 had transitioned from a standard catalog item to a "legacy" or "obsolete" component, making its datasheet less of a sales brochure and more of a maintenance manual. nec b58944 datasheet 2021
Applications of NEC B58944
| Source | Notes |
|--------|-------|
| Renesas.com | Use search: B58944 (try quotes) |
| Alldatasheet.com | Often has old NEC datasheets |
| DatasheetArchive.com | Good for obsolete parts |
| Mouser / DigiKey | Search B58944 — may show description |
| NEC/Renesas customer support (legacy parts) | Provide full marking & package photo | I cannot directly retrieve or generate the full
- 70 to 140 (at Ic=1mA, Vce=6V)
Supplier Options: Hardware suppliers such as Inovauto list the B58944 specifically as an ECU driver for Bosch and NEC systems. NEC B58944 ECU DRIVER SOP-28 - Inovauto.com 70 to 140 (at Ic=1mA, Vce=6V)