Features
• 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

Description
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.