Allegro Microsystems A4450

Beschreibung

he A4450 is a power management IC that can implementeither a buck or buck-boost regulator to efficiently convertautomotive battery voltages into a tightly regulated voltage. Itincludes control, diagnostics, and protection functions.Allegro / A4450 / Buck-Boost / 5V-2MHz / 1A

Eigenschaften

Automotive AEC-Q100 qualified

• Wide operating range of 3 to 36 VIN, 40 VIN maximum,covers automotive stop/start, cold crank, double battery,and load dump
• Regulated output can range from 3 to 8 V at up to 1 A DC
• Adjustable PWM switching frequency:250 kHz to 2.2 MHz
• PWM frequency can be synchronized to external clock:250 kHz to 2.4 MHz
• Frequency dithering helps reduce EMI/EMC
• Undervoltage protection
• Pin-to-pin and pin-to-ground tolerant at every pin
• Thermal shutdown protection
• Operating junction temperature range −40°C to 150°C

Typische Anwendungen

• Control Modules
• Instrument Clusters
• Infotainment

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers