L9914A STMicroelectronics

L9914 All silicon automotive voltage regulator Datasheet - production data Thermal protection Field driver short circuit protection RVC interface Overvoltage protection Complex diagnostics Load response control LRC rate 2.5 s (L9914A) GAPGPS00017 Multiwatt8 Description The L9914 is a monolithic multifunction generator voltage regulator intended for use in automotive applications. This device regulates the output of an automotive generator by controlling the field winding current Features by means of a variable frequency PWM high side driver. AEC-Q100 qualified The setpoint voltage reference is selected by the High side field driver engine control unit (ECU) via RVC protocol. Table 1. Device summary Order code Temp range, C Package Packing L9914A T = -40 to +150 Multiwatt8 Tube j March 2021 DS4742 Rev 7 1/13 This is information on a product in full production. www.st.comContents L9914 Contents 1 Schematic diagram and pin description . 5 1.1 Schematic diagram . 5 1.2 Pin description 5 2 Electrical specifications 6 2.1 Absolute maximum ratings . 6 2.2 Absolute maximum ratings and operative range by pin . 6 2.3 Thermal data . 6 2.4 Electrical characteristics . 7 2.5 Diagnostic 8 2.5.1 Fault . 8 2.5.2 Regulation feature 9 3 Package information 10 3.1 Multiwatt 8 (pin 5 GND) package information 10 4 Revision history . 12 2/13 DS4742 Rev 7