B58944 Datasheet [exclusive] — Nec

NEC B58944 a specialised integrated circuit (IC) primarily used as a memory component in automotive Engine Control Units (ECUs) , specifically those manufactured by

Because these chips are frequently targeted for repairs when an ECU fails, finding the right technical data is essential for a successful fix. Technical Specifications nec b58944 datasheet

3.2 On-State Characteristics

• DC Current Transfer Ratio ($h_FE$):

  | Parameter | Min | Typical | Max | Unit | Condition | |-------------------------|-----|---------|-----|------|--------------------------| | Input Voltage (VIN) | 7 | 12 | 35 | V | – | | Output Voltage (VOUT) | 4.75| 5.0 | 5.25| V | IOUT ≤ 500mA | | Output Current | – | 500 | 1000| mA | With heatsink | | Dropout Voltage | – | 2.0 | 2.5 | V | IOUT = 500mA | | Line Regulation | – | 0.1 | 0.5 | % | VIN from 8V to 30V | | Load Regulation | – | 0.5 | 1.0 | % | IOUT from 10mA to 500mA | | Quiescent Current | – | 5 | 10 | mA | No load | | Ripple Rejection | 55 | 65 | – | dB | f = 120Hz | | Operating Temperature | -20 | 25 | 85 | °C | – | | Storage Temperature | -40 | – | 125 | °C | – | NEC B58944 a specialised integrated circuit (IC) primarily

• Protection and reliability

  is a standard go-to for PDF lookups, though automotive chips may sometimes only show basic pinout configurations. B58944 Datasheet, PDF - Alldatasheet. ALLDATASHEET.COM B58944 NEC Integrated Circuits (ICs) - Jotrin Electronics DC Current Transfer Ratio ($h_FE$): | Parameter |

  Part: B58944 • SO-28 • datasheet, pdf, info ... - Elparts

  When purchased as a replacement part, the chip is "empty" (it does not contain pre-programmed engine software, as it is volatile RAM, not ROM/Flash). 5. Technical Equivalents