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Alternator Regulators

Battery charging, far from being a simple, standardized function, requires a smart controller to:

  • Regulate the AC voltage generated by the alternator into a stable DC voltage to recharge the battery
  • Work within the specific temperature characteristics and dynamic responses required by each carmaker

ST offers a set of monolithic, multifunction alternator-voltage regulators that include:

  • The control section
  • The field power stage
  • The fault diagnostic circuit that drives a warning lamp
  • Protection against short circuits
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