5V DSCs enhance noise immunity in harsh environments

Posted By : Nat Bowers
5V DSCs enhance noise immunity in harsh environments

Providing 5V operation for improved noise immunity and robustness, Microchip has introduced a family of 16-bit dsPIC33 DSCs (Digital Signal Controllers). The dsPIC33EV family is suited for applications in the appliance, industrial and automotive markets, such as refrigerators, dishwashers, range hoods, control panels, power tools, actuators, building controls, HVAC systems, sensors, user interface, fuel pumps, cooling fans and water pumps.

According to Microchip, the dsPIC33EV family is the first dsPIC DSC with ECC Flash for increased reliability and safety. For safety-critical applications, the dsPIC33EV devices also include cyclic redundancy check, deadman timer and windowed watchdog timer peripherals as well as a backup system oscillator and certified Class B software.

Other key features of this family include up to six advanced motor control PWMs, 12-bit ADC and operational amplifiers, a combination suited for motor-control applications. The dsPIC33EV devices provide easy interface to 5V automotive sensors such as level or flow sensing, with improved noise immunity and enhanced reliability, and provide plenty of performance to execute smart sensor filter algorithms and integrate CAN communication software. For robust automotive touch user interfaces, the higher voltage operation enables more dynamic range and support for larger screen sizes. The dsPIC33EV devices offer up to 150°C operation with AEC-Q100 Grade 0 qualification enabling robust automotive under-hood applications.

The advanced peripheral integration features include CAN and SENT peripherals for automotive communications, 70MIPS performance with DSP acceleration for high-speed control algorithm execution.

The dsPIC33 'EV' family is supported by Microchip’s dsPIC33EV 5V CAN-LIN Starter Kit (DM330018) priced at $79.99. For motor control applications, the dsPIC33EV256GM106 5V Motor Control Plug-In Module (MA330036), priced at $25.00, is available to plug into the Low Voltage Motor Control Development Bundle (DV330100) priced at $369.00.

Devices in the dsPIC33 “EV” family are available in 28 SOIC, 28 QFN, 28 SPDIP, 44 TQFP, 44 QFN, 64 TQFP and 64 QFN packages, with Flash memory ranging from 64 to 256KB, including options with and without CAN.

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