A3924KEVSR-J
AUTOMOTIVE FULL BRIDGE MOSFET DRManufacturer: Allegro MicroSystems
Categories: Full Half-Bridge (H Bridge) Drivers
Quality Control: Learn More
Allegro MicroSystems' A3924KEVSR-J is a robust, automotive-qualified NMOS half-bridge driver designed for efficient control of DC motors and solenoids. This device is engineered for surface mounting within a 40-QFN (6x6) package. It features integrated bootstrap circuitry for high-side NMOS driver operation and offers comprehensive fault protection, including current limiting, over-temperature, shoot-through, and short-circuit protection. The A3924KEVSR-J supports a load voltage range of 6V to 50V and a supply voltage of 5.5V to 50V, with typical on-resistance of 2.4 Ohms for the low-side switch and 8 Ohms for the high-side switch. Communication is managed via an SPI interface. Applications span the automotive sector, including advanced driver-assistance systems (ADAS) and body electronics, where precise control of inductive, capacitive, and resistive loads is critical. The device operates reliably across a wide temperature range of -40°C to 150°C (TA).
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | Bootstrap Circuit |
| Packaging | Bulk |
| Package / Case | 40-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Interface | SPI |
| Operating Temperature | -40°C ~ 150°C (TA) |
| Output Configuration | Half Bridge (2) |
| Voltage - Supply | 5.5V ~ 50V |
| Rds On (Typ) | 2.4Ohm LS, 8Ohm HS |
| Applications | DC Motors, Solenoids |
| Current - Output / Channel | - |
| Current - Peak Output | - |
| Technology | NMOS |
| Voltage - Load | 6V ~ 50V |
| Supplier Device Package | 40-QFN (6x6) |
| Fault Protection | Current Limiting, Over Temperature, Shoot Through, Short Circuit |
| Load Type | Inductive, Capacitive, Resistive |
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