By leveraging GaN FETs and the MIC2132, this reference design affords a scalable, environment friendly, and easy-to-implement answer for contemporary high-performance energy functions.
Gallium Nitride Area-Impact Transistors (GaN FETs) are revolutionizing energy provide design by providing excessive effectivity and density in comparison with conventional silicon MOSFETs. This reference design demonstrates how GaN FETs, when paired with the superior MIC2132 analog controller, allow the event of high-performance energy provides. Appropriate for functions starting from telecom to industrial techniques, this design simplifies implementation whereas reaching superior thermal efficiency and energy density.
The MIC2132 controller is a important element, offering a relentless on-time, dual-phase synchronous buck management mechanism. Its adaptive ON-time structure helps stackable operations of as much as 8 phases, enabling scalable options for functions requiring as much as 50A of output present. The controller’s huge enter voltage vary of 4.5V to 75V and programmable output voltage (0.6V to 28V) make it appropriate for various energy provide wants. With a excessive accuracy of ±1% at commonplace circumstances and ±0.5% over prolonged temperature ranges (-40°C to 105°C), the MIC2132 ensures exact output regulation, important for delicate functions.
By Microchip Know-how makes use of the MIC2132’s Hyper Velocity Management® structure, which delivers ultra-fast transient responses beneath medium to heavy masses. The hysteretic management loop, inherent to the MIC2132, simplifies design whereas offering distinctive efficiency. Options like exterior programmable soft-start, distant sense amplifier for correct output management, and adaptive voltage positioning (AVP) additional improve the system’s reliability and suppleness.
To speed up your growth, this reference design consists of complete sources akin to design recordsdata, schematics, and format recordsdata. These supplies allow simple replication or modification of the facility provide venture. Moreover, the MIC2132 GaNFET Analysis Board (EV78U64A) offers a full {hardware} demonstration of the MIC2132 driving GaN FETs. The board operates over an enter vary of 36V to 60V and helps output a great deal of as much as 20A, showcasing the controller’s sturdy capabilities in real-world circumstances.
The analysis board is engineered for testing beneath commonplace laboratory environments, with built-in safety options akin to under-voltage lockout, hiccup mode short-circuit safety, and thermal shutdown. These safeguards guarantee reliability throughout growth and operational testing, offered the board is used inside its specified parameters. Key options of this reference design embody programmable switching frequencies from 100 kHz to 1 MHz per part, correct 180° phasing of outputs, and a compact 5mm x 5mm VQFN bundle. Collectively, these attributes make the MIC2132 a wonderful alternative for compact, environment friendly, and extremely dependable energy provides.
Microchip has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) format, and extra. The corporate’s web site has extra knowledge in regards to the reference design. To learn extra about this reference design, click on right here.
