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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 24TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：5.5V ~ 50V
- Logic Voltage - VIL, VIH：1.5V, 3.5V
- Current - Peak Output (Source, Sink)：-
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：24-TSSOP-EP
- Grade：Automotive
- Qualification：AEC-Q100
- High Side Voltage - Max (Bootstrap)：-
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Overview
The A4928KLPTR-T is an automotive-grade half-bridge MOSFET driver manufactured by Allegro MicroSystems. It features a surface-mount LP-24 package and supports 5V compatible I/O interfaces. The device is designed for high-temperature operation, with a maximum operating temperature of +150°C and a minimum of -40°C. It functions as a gate driver within the PMIC category, suitable for controlling external power switches in demanding automotive environments.
Feature Summary
- Automotive-grade reliability for harsh environment applications
- 5V logic input compatibility for direct microcontroller interfacing
- Half-bridge topology for efficient switching control
Applications
- Automotive ignition systems
- Fuel injection control circuits
- High-side or low-side load switching
Procurement Notes
Verify the specific Allegro Microsystems datasheet for the A4928KLPTR-T to confirm pinout assignments and electrical characteristics against your circuit design. Ensure that the LP-24 package dimensions align with your PCB footprint requirements. Cross-reference the thermal performance specifications with your system's heat dissipation capabilities to guarantee stable operation within the specified temperature range.
Selection Notes
Select this component when a robust, automotive-certified half-bridge driver is required for high-temperature applications. The 5V I/O compatibility simplifies integration with standard logic levels. Consider the LP-24 package size for space-constrained designs. Validate that the external MOSFETs selected are compatible with the driver's output current capabilities and switching speeds.
Part Context
This part belongs to the A4928 series of gate drivers from Allegro MicroSystems, specifically tailored for automotive power management and motor control applications. It complements other components in the manufacturer's portfolio by providing reliable switching control for power stages in vehicle electronics.
Replacement Considerations
Consult official Allegro MicroSystems documentation for verified cross-reference part numbers. Ensure any substitute maintains the same automotive qualification status, package type, and electrical interface specifications.
