Microchip Technology Automotive 16-Bit Microcontrollers

Microchip Technology Automotive 16-bit Microcontrollers include dsPIC33 Digital Signal Controllers (DSCs) and PIC24 MCUs. These devices are designed for extreme operating conditions, providing real-time response and high reliability, even in extreme temperatures, and features for functional safety to meet automotive design challenges. Supported by Microchip's complete ecosystem of easy-to-use software and hardware tools, these solutions provide designers with the right building blocks to quickly, easily, and cost-effectively develop embedded systems and enable first-time safety compliance.

Features

  • Digital signal processing (DSP) engine in dsPIC33 DSCs boosts performance for real-time response
  • Specialized peripherals can be used to implement high-precision control of multiple sensorless, brushless motors and to run field-oriented control (FOC) algorithms
  • Digital power peripherals for implementing highly adaptive algorithms for digital power conversion applications and standards-based implementations
  • Integrated intelligent analog peripherals provide interfaces for smart sensing applications and enable sophisticated real-time filtering to improve sensor responsiveness
  • Key communication peripherals for CAN, CAN FD, LIN, SENT, and other serial communication buses for robust automotive connectivity
  • Core-independent peripherals (CIPs) improve the responsiveness of safety-critical applications by offloading tasks from the central processing unit (CPU)
  • Dedicated hardware safety features increase reliability and provide monitoring functions for safety-critical applications
    • Flash-error correction code (ECC)
    • RAM built-in self-test (RAM MBIST)
    • Deadman timer (DMT)
    • Windowed watchdog timer (WWDT)
    • Fail-safe clock monitor (FSCM) and more
  • Scalable solutions with memory ranging from 32KB to 1024KB, flexible feature sets, and multiple package options
  • AEC-Q100 qualified with support for 3V and 5V and temperatures up to +150°C for better noise immunity and robust operation in extreme conditions
  • Functional safety hardware, collateral, and software to ease ISO-26262 compliance

High-Performance Embedded

With their ability to resolve various pressure points in embedded applications, dsPIC33 DSCs offer robust and fast deterministic performance to address safety-critical design requirements and a rich set of peripherals for demanding high-performance automotive applications.

Key Highlights

  • Cost-effective single-core DSCs are ideal for implementing math-intensive functions
  • Versatile dual-core DSCs for time- and safety-critical applications
  • 3V and 5V operation for better noise immunity

Target Applications

  • Electronic sensors
  • Camera control
  • Body electronics

View Series

 

Motor Control

Designed to implement high-efficiency, high-precision variable speed, constant torque, and FOC motor control applications, dsPIC33 DSCs feature a variety of motor control peripherals and safety-critical hardware features along with robust operation for under-the-hood environments.

Key Highlights

  • DSP engine and tightly coupled peripherals for faster execution and improved responsiveness to enable complex, high-speed control loop implementation
  • Pulse-Width Modulation (PWM) module with up to 16 channels for dual motor control
  • High integration of precision ADCs, DACs, and high-speed comparators to reduce BoM cost and board space
  • Quadrature Encoder Interface (QEI) module for position sensing
  • 3V and 5V operation for better noise immunity
  • Rated for operation up to +150°C for under-the-hood applications that need to operate in extreme conditions

Target Applications

  • Primary motors driving E-scooters, E-hoverboards or E-bikes
  • Cooling fans and fuel and oil pumps
  • Body control, including windows, doors, wipers, seat movement

View Series

Digital Power Management

Optimized to implement advanced algorithms for improved efficiency over widely varying load conditions, dsPIC33 DSCs feature dedicated peripherals for a variety of digital power conversion and lighting applications in vehicles. These products also provide innovation to support working with emerging markets like electric vehicles and in-car wireless charging.

Key Highlights

  • High-resolution 250pS PWMs with the flexibility to control various power topologies
  • Tightly coupled CPU, PWMs, and ADCs to reduce latency and improve control loop response, leaving more CPU bandwidth for housekeeping and system functions
  • Maximum analog integration, including high-speed ADCs and DACs, programmable waveform generator, fast analog comparators, and op-amps
  • Flexibility to easily change software if industry standards like Qi change
  • Rated for operation up to +150°C and recommended for automotive applications

Target Applications

  • Under-hood to cabin 48-to-12V bus balancing
  • On-board chargers
  • Wireless charging of low-power batteries for e-bikes and golf carts
  • Battery management systems
  • Exterior LED lighting

View Series

Smart Sensor Interfacing

Loaded with Intelligent Analog peripherals, such as high-performance ADCs and DACs, high-speed comparators and op-amps, PIC24 MCUs, and dsPIC33 DSCs provide simple-to-use smart sensor interfaces for various electronic sensing applications

Key Highlights

  • High analog integration reduces costs and accelerates time to market
  • 5V operation for high signal-to-noise ratio and improved noise immunity
  • SENT interface for standard sensor interfacing
  • Rated for operation up to +150°C for under-the-hood operation

Target Applications

  • Pressure sensors
  • Rain sensors
  • Rear sensors

View Series

 

Solutions for Functional Safety

As the latest automotive designs incorporate a growing number of electrical and electronic systems, applying the ISO 26262 standard has become a critical element in passenger safety. Microchip Technology offers a variety of hardware and software features, development tools, and functional safety collateral to help designers achieve the desired Automotive Safety Integrity Level (ASIL) compliance:

  • Hardware functional safety features include but are not limited to:
    • Memory: Flash Error Detection and Correction (ECC), Cyclical Redundancy Check (CRC)
    • System: Deadman Timer (DMT), Watchdog Timer (WDT)/Windowed WDT (WWDT), Power-on Reset (POR), Brown-out Reset (BOR), Asynchronous Master Clear Reset (MCLR)
    • Clocking: Redundant Oscillator, Fail-Safe Clock Monitor (FSCM)
    • Central Processing Unit (CPU): Error Trap Monitors
    • General Purpose I/O (GPIO): ESD Protection, I/O Port Readback
  • Automotive-grade silicon (Q100 qualification, up to Grade 0)
  • Functional safety diagnostic firmware
  • Failure Modes, Effects and Diagnostic Analysis (FMEDA) report
  • Functional Safety Manual (FSM)
  • MPLAB® XC Functional Safety Certified Compilers
  • MCAL Drivers for Autosar

Document: How dsPIC33 DSCs are Functional Safety Ready

Published: 2020-01-13 | Updated: 2024-06-20