L9918 is an alternator voltage regulator equipped with LIN protocol interface. The device is intended to be used in automotive application for 12 V systems. The presence of NVM cells for device parameters programmability makes it suitable for a wide range of charging application.
https://www.st.com/resource/en/data_brief/l9918.pdf
https://www.st.com/en/automotive-analog-and-power/l9918.html
| AEC-Q100 qualified |
| Closed loop voltage control |
| Regulated voltage with thermal compensation function |
| High side excitation driver with internal freewheeling circuit |
| Load response control (LRC) and Return LRC |
| Self-start activation by phase signal |
| Current limitation and overcurrent protection |
| Thermal protection |
| Physical Layer compliant with LIN 2.2A spec. |
| Data Link Layer compliant with LIN 1.3, 2.1, 2.2 and 2.2A specification |
| 13 sets of LIN frames selectable |
| Configurable parameters (see NVM parameter table A1) |
| Configurable for 5, 6, 7, 8 or 9 pole pair alternator |
| Compliant to VDA LIN-Generator-Regulator specification |
| Full ISO26262 compliant, ASIL-B systems ready |
| Available as Bare die as well as in PENTAWATT In Line (TO220-5) package |
https://www.st.com/resource/en/data_brief/l9918.pdf
https://www.st.com/en/automotive-analog-and-power/l9918.html
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