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Analogue controller uses MCU for power conversion

Posted: 04 Feb 2013     Print Version  Bookmark and Share

Keywords:analogue  power management  controller  MOSFETs 

Microchip Technology Inc. launches the MCP19111 power analogue controller and the 25V-rated MCP87018, MCP87030, MCP87090 and MCP87130 logic-level MOSFETs designed for Switched-Mode-Power-Supply (SMPS) applications.


When the digitally enhanced DC/DC power-conversion solution is used with the expanded MCP87XXX MOSFETs they support configurable, high-efficiency DC/DC power-conversion designs for consumer and industrial applications.

The MCP87018, MCP87030, MCP87090 and MCP87130 MOSFETs offer, respectively, 1.8mΩ, 3mΩ, 9mΩ and 13mΩ. The MCP19111 operates from 4.5V to 32V and claims to increase flexibility over conventional analogue-based solutions. Integrating an analogue-based PWM controller with a fully functional Flash-based MCU, it is the world's first hybrid, mixed-signal power-management controller. This integration offers the flexibility of a digital solution, with the speed, performance and resolution of an analogue-based controller.

To support development, there is available an MCP19111 evaluation board that includes Microchip's High-Speed MOSFETs. It comes with standard firmware that is user-configurable through an MPLAB X IDE graphical user interface (GUI) plug-in. The combined evaluation board, GUI and firmware allow power-supply designers to configure and evaluate the performance of the MCP19111 for their target applications.

The MCP19111 controller and MCP87030/090/130 Power MOSFETs are available now for sampling and volume production, in 5,000-unit quantities. The MCP87018 is expected to be available in February. The MCP19111 controller is offered in a 5mm x 5mm, 28-pin QFN package. The MCP87030 and MCP87018 MOSFETs are offered in a 5mm x 6mm, 8-pin PDFN package. The MCP87090 and MCP87130 MOSFETs are offered in both a 5mm x 6mm, 8-pin PDFN package, as well as a 3.3mm x 3.3mm, 8-pin PDFN package.

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