A89503 Automotive Half-Bridge MOSFET Drivers

Allegro MicroSystems A89503 Automotive Half-Bridge MOSFET Drivers are capable of controlling MOSFETs connected in a half-bridge arrangement and are designed for automotive applications with high-power inductive loads. These drivers feature a unique charge pump regulator that provides full gate drive over the full supply voltage range from 5.5V to 80V. Each MOSFET can be controlled independently by logic-level inputs or through the SPI-compatible serial interface, and the fully independent control allows both external FETs to be turned on simultaneously. The integrated diagnostics provide an indication of multiple internal faults, system faults, and power bridge faults, and they can be configured to protect the power MOSFETs under numerous short-circuit conditions.