Alternator voltage regulator with LIN interface for 12 V applications

Quantity $ per Unit Savings
1 - 9$9.960%
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In stock
Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
Operating Voltage Min Volt6.0
Operating Voltage Max Volt18.0
Packing TypeTube
RoHs compliantEcopack1
Package NamePENTAWATT 5

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.

Key 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