L9918BDTR Alternator voltage regulator with LIN interface from STMicroelectronics

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.

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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