SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/6/1
The AMT49100KJPTR-B-3 is a professional three-phase half-bridge gate driver IC manufactured by Allegro MicroSystems. It is specially developed for N-channel MOSFET driving, supporting high-voltage and high-current drive scenarios for motor power control systems.
Category:Integrated Circuits (ICs),Power Management (PMIC),Gate Drivers
Current - Peak Output (Source, Sink):2.4A, 4.2A
Manufacturer:Allegro MicroSystems
Input Type:Non-Inverting
Packaging:Bulk
Operating Temperature:-40°C ~ 150°C (TA)
Driven Configuration:Half-Bridge
Channel Type:3-Phase
Mounting Type:Surface Mount
Package / Case:48-LQFP Exposed Pad
Gate Type:MOSFET (N-Channel)
Voltage - Supply:5V ~ 80V
Logic Voltage - VIL, VIH:0.99V, 2.1V
Wide Voltage Range:It features a wide supply voltage range from 5V to 80V, adapting to 48V battery systems and various industrial high-voltage power supply environments with strong voltage compatibility.
High Current Drive:It provides 2.4A source peak current and 4.2A sink peak current, delivering powerful driving capability to quickly switch external N-channel MOSFETs and improve system response speed.
Three-phase Drive:Adopts independent 3-phase half-bridge driven configuration, which can precisely control six power MOSFETs simultaneously to support stable operation of BLDC motors.
Non-inverting Input:Equipped with non-inverting input design with fixed logic voltage thresholds, ensuring accurate and consistent signal reception and reducing control signal deviation.
Compact Thermal Package:Adopts 48-LQFP exposed pad surface-mount package, which effectively optimizes heat dissipation efficiency and facilitates miniaturized circuit board layout and mass production.
Reliable Switch Control:Matched with N-channel MOSFET gate drive design, it features stable switching performance and effective cross-conduction protection to avoid circuit short-circuit risks.
EV BLDC Control:Used for driving three-phase brushless DC motors of electric vehicle auxiliary systems such as water pumps and oil pumps, realizing precise motor speed and torque control.
Industrial Motor Drive:Applied to three-phase half-bridge drive of industrial servo motors and fan motors, ensuring high-efficiency and stable operation of industrial power equipment.
Smart Robot Power:Serves as the core drive chip for robot joint BLDC motors, providing reliable switch drive for precise rotation and positioning of robotic arms.
Household Inverter:Deployed in high-power household inverter equipment to drive power MOSFETs and stabilize the power conversion output of household electrical systems.
Automotive Actuator:Applied to automotive electronic actuators such as electric throttle and electric valve drivers, supporting high-reliability power drive of vehicle control components.
48V System Control:Suitable for motor drive and power management of 48V low-voltage industrial and vehicle battery systems, adapting to mainstream new energy power scenarios.
The AMT49100KJPTR-B-3 is a high-performance three-phase half-bridge gate driver with wide voltage coverage, high current drive capacity and excellent temperature resistance. It serves as a core power management component, providing stable and reliable MOSFET drive solutions for automotive, industrial and intelligent motor control systems.