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Product Detailed Parameters
- Description：IC GATE DRVR HI/LOW SIDE 28TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driven Configuration：High-Side or Low-Side
- Channel Type：3-Phase
- Number of Drivers：6
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：5.5V ~ 50V
- Logic Voltage - VIL, VIH：0.8V, 2V
- Current - Peak Output (Source, Sink)：-
- Input Type：TTL
- Rise / Fall Time (Typ)：35ns, 20ns
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：-
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Overview
The A4919GLPTR-5-T is a three-phase MOSFET driver manufactured by Allegro MicroSystems, designed for brushless DC motor control applications. It operates within a supply voltage range of 5.5 V to 50 V and delivers an output current of 150 mA per phase. The device features a built-in 5 V regulator and functions across an extended temperature range from -40 °C to +105 °C. Packaged in a TSSOP-28 surface-mount format, it draws a typical operating supply current of 10 mA.
Feature Summary
- Integrated three-phase gate drive capability for direct MOSFET control
- Built-in linear voltage regulator providing stable internal logic power
- Designed for sensorless or Hall-effect based BLDC motor commutation
Applications
- Brushless DC fan controllers
- Small appliance motor drives
- Industrial automation actuators
Procurement Notes
Verify the specific suffix '-5-T' against the manufacturer's latest datasheet to confirm pinout compatibility and regulatory status. Ensure the ordering quantity aligns with the standard reel packaging requirements specified by Allegro MicroSystems. Confirm that the TSSOP-28 package dimensions match the target PCB footprint design constraints before finalizing procurement.
Selection Notes
Select this component when driving low-current three-phase loads requiring integrated regulation. The 150 mA output limit suits small fans rather than high-torque motors. Evaluate thermal performance in the TSSOP-28 package under maximum load conditions. Consider the 5.5 V minimum supply requirement for system power architecture compatibility.
Part Context
This part belongs to the A4919 series of three-phase drivers from Allegro MicroSystems. It serves as a dedicated interface between microcontroller logic signals and external power MOSFETs. The series targets cost-sensitive BLDC applications where integrated regulation reduces external component count.
Replacement Considerations
Cross-reference with other Allegro three-phase drivers such as the A4939 series for higher current capabilities. Verify pin-to-pin compatibility if substituting with similar packages from other manufacturers.
