Allegro launches customized SOIC16W package for electric vehicles

Allegro MicroSystems (hereinafter referred to as Allegro), a global leader in motion control and energy-saving system power supply and sensing solutions, announced the launch of a new customized SOIC16W package called “MC”, which indicates that the industry’s current sensing technology requires high isolation and low A leap in power-intensive applications for power consumption. This new package has an ultra-low series resistance of 265?Ω, which is more than 2.5 times lower than the existing SOIC16W solution, while providing Allegros’ highest certified 5kV isolation level.

  

The first devices supplied in the new package are Allegro current sensor ICs ACS724 and ACS725, both of which provide leading performance in terms of speed and accuracy. These devices are the best choice for applications such as DC/DC converters, solar inverters, UPS systems, various electric vehicle (xEV) on-board chargers (OBC), electric vehicle charging piles, and motor control.

The new package has a higher power density and a smaller footprint

With the trend of smaller and smaller solutions, engineers are facing more heat dissipation challenges. The copper lead frame thickness of the new MC package is twice that of the standard SOIC package, and it has an ultra-low series resistance of 265?Ω, which enables a higher current density of the Allegro IC package, thereby increasing the power density in customer applications. At the same time, the smaller footprint of SOIC16W allows the use of smaller PCBs. The new package can sense continuous currents higher than 80A based on operating temperature requirements, thereby reducing the need for external cooling components.

Shaun Milano, Director of Allegro’s Current Sensor Business Unit, explained: “Allegro’s goal is to strive to achieve a more sustainable future. At the same time, our innovation is also leading the trend in the industry. Electric and hybrid vehicle designers are working hard to reduce the weight and weight of the system. In terms of volume, they need solutions with higher power density. The new MC package is easier to achieve these goals than previous solutions.”

Allegro optimized patented architecture can improve isolation level

Allegro’s patented internal packaging architecture is another industry initiative. Its 5kV rated isolation voltage allows customers to work normally at continuous voltages of up to 1600VDC and 1140VRMS, fully meeting the most demanding electric vehicle applications and the new 1500VDC solar standard requirements.

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