+-------U-------+ P01 ---| 1 28 |--- VCC P02 ---| 2 27 |--- OUT_1 P03 ---| 3 26 |--- OUT_2 P04 ---| 4 25 |--- OUT_3 ... ---| ... ...|--- ... GND ---| 14 15 |--- DIAG_OUT +---------------+ SOP-28 Pinout Configuration (Reference Layout)
Standardized logic voltage for legacy and modern automotive networks Battery-backed capable nec b58944 datasheet hot
The B58944 IC itself has developed an internal short due to aging, thermal fatigue, or overvoltage. +-------U-------+ P01 ---| 1 28 |--- VCC P02
Here’s a quick breakdown of what’s likely happening: nec b58944 datasheet hot
Temperature affects everything. Look for graphs showing: