By Gina Roos, editor-in-chief
Microchip Technology Inc. has expanded its family of dsPIC33C digital signal controllers (DSC) with new dual- and single-core options with more memory, temperature, and functional safety features for automotive and wireless charging applications.
Aimed at system developers designing high-end embedded control applications that often need to scale designs to meet increasing complexity, the cost-optimized version, the dsPIC33CK64MP105 single-core DSC, targets applications that need a smaller memory and footprint, while the dsPIC33CH512MP508 dual-core DSC enables support for applications with larger program memory requirements. These new options make it easier for developers to scale across product lines along with their pin-to-pin compatibility with the dsPIC33CH and dsPIC33CK families.
The dsPIC33CH512MP508 (MP5) family expands the dsPIC33CH with 512-KB flash memory, up from 128 KB, and triples the program RAM from 24 KB to 72 KB. Microchip said that more memory is needed for automotive applications, including AUTOSAR software, MCAL drivers, and CAN FD peripheral, along with additional software stacks for the Qi protocol and near-field communication (NFC) for implementing wireless charging in automotive applications. In addition, Live Update capability doubles the overall memory requirement.
The new dsPIC33CK line, part of the dsPIC33CK64MP105 (MP1) family, offers up to 64-KB flash memory and 28- to 48-pin packages. Package sizes are available as small as 4 × 4 mm. This device offers a feature set well-suited for automotive sensors, motor control, high-density DC/DC applications, or standalone Qi transmitters.
All devices in the dsPIC33C family include a set of functional safety hardware to ease ASIL-B and ASIL-C certifications in safety-critical applications. CAN-FD peripherals and new support for 150°C operation make them suited for use in extreme operating conditions, including under-the-hood automotive.
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