Alternator Voltage Regulator - Automotive

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Found in every Internal Combustion Engine vehicle, the alternator – and its associated control electronics – is becoming increasingly important as a key component due to the growing number of electrically actuated functions and their impact on overall power requirements.

ST has an extensive range of efficient and reliable control solutions, that can be integrated using any of the various protocols used by different OEMs. Our offer covers from basic multi-function IC solutions up to advanced ECU IC controlled solutions.

alternator voltage regulator block diagram

Alternator Regulators

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Application Notes (5 of 10)

	Resource title	Latest update
PDF	AN604 Calculation of conduction losses in a power rectifier 3.2	24 Mar 2020	24 Mar 2020 AN604 Calculation of conduction losses in a power rectifier 3.2
PDF	AN4021 Calculation of reverse losses in a power diode 1.0	24 Mar 2020	24 Mar 2020 AN4021 Calculation of reverse losses in a power diode 1.0
PDF	AN4381 Current sharing in parallel diodes 1.0	24 Mar 2020	24 Mar 2020 AN4381 Current sharing in parallel diodes 1.0
PDF	AN5163 L9001 integration and performance evaluation 1.0	24 Mar 2020	24 Mar 2020 AN5163 L9001 integration and performance evaluation 1.0
PDF	AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1	24 Mar 2020	24 Mar 2020 AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0	24 Mar 2020	24 Mar 2020 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0	24 Mar 2020	24 Mar 2020 AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
PDF	AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6	24 Mar 2020	24 Mar 2020 AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
PDF	AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1	24 Mar 2020	24 Mar 2020 AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
PDF	AN869 Tj max limit of Schottky diodes 2.2	24 Mar 2020	24 Mar 2020 AN869 Tj max limit of Schottky diodes 2.2

Selection Guides (1)

	Resource title		Latest update
PDF	Automotive powertrain and safety ICs 1.0		02 Apr 2020	02 Apr 2020 Automotive powertrain and safety ICs 1.0

White Papers (1)

	Resource title		Latest update
PDF	STMicroelectronics enables electronic control of the next generation of Gasoline Direct Injection (GDI) engines. 1.0		02 Apr 2020	02 Apr 2020 STMicroelectronics enables electronic control of the next generation of Gasoline Direct Injection (GDI) engines. 1.0

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Smart selectors

Part number	Status	Description	Type	Supplier
SEL-SPC5	Active	Smart Selector for Micro 32bit Power Architecture products	Automotive Selectors	--	SEL-SPC5 Description: Smart Selector for Micro 32bit Power Architecture products

Finders Apps

Part number	Status	Description	Type	Supplier
ST Diode Finder	Active	Diode product finder application for Android and iOS	Finders Apps	ST	ST Diode Finder Description: Diode product finder application for Android and iOS

Converter
Simulator
ESD Protection

Converter

DC/DC

Input

Volt. Min V This option is required. And must be less than or equal to Volt. Max [V]

Volt. Max V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

Voltage V This option is required and must be a number.

Current A This option is required and must be a number.

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Alternator Regulator

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