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Product Detailed Parameters
- Description：50 V FULL-BRIDGE GATE DRIVERS
- Series：-
- Mfr：Allegro MicroSystems
- Package：Bulk
- Driven Configuration：Full-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：50V
- Logic Voltage - VIL, VIH：-
- Current - Peak Output (Source, Sink)：-
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：-
- Operating Temperature：-40°C ~ 135°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN-EP (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
- High Side Voltage - Max (Bootstrap)：-
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Overview
The A89505KESSR-J is a full-bridge PWM gate driver manufactured by Allegro MicroSystems. It operates within a supply voltage range of 5.5 V to 50 V and supports junction temperatures from -40 °C to +135 °C. The device features two drivers with two outputs, providing an output current capability of 68 mA. It is housed in a QFN-20 surface-mount package and utilizes silicon technology. This component is classified under MOSFET gate drivers and power management ICs.
Feature Summary
- Provides full-bridge PWM gate driving capabilities for motor control applications
- Supports wide operating temperature ranges suitable for automotive environments
- Integrates dual driver channels within a compact surface-mount package
Applications
- Brushed DC motor drive systems
- Automotive motion control circuits
- Industrial motor driver designs
Procurement Notes
Verify the NRND status before finalizing design-in decisions, as this indicates the component is not recommended for new designs. Confirm that the QFN-20 package dimensions align with your PCB layout constraints. Ensure that the 68 mA output current meets the requirements of your specific load. Check for any recent Product Change Notifications that may affect material or assembly specifications.
Selection Notes
Select this component when a robust full-bridge solution is required for brushed DC motors. The 50 V maximum supply voltage accommodates standard automotive electrical systems. Consider the thermal performance at high ambient temperatures due to the extended operating range. Evaluate the trade-off between the integrated driver complexity and external component count compared to discrete solutions.
Part Context
This part belongs to the A89506 series family, which focuses on gate driver technologies for motor applications. It shares functional similarities with other Allegro full-bridge drivers but offers specific pinout and packaging configurations. The series is designed to meet stringent automotive reliability standards while providing efficient power switching capabilities.
Replacement Considerations
Consult official Allegro MicroSystems documentation for confirmed substitute part numbers. Verify compatibility regarding pin assignments, electrical characteristics, and thermal performance before swapping components.
