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Multiple voltage rails are utilized within electric and hybrid electric vehicles, with a low-voltage rail for traditional electrical loads and higher voltage rails used for direct or assisted propulsion and other high-voltage functions.  DC/DC converters are key components for voltage balancing and the bi-directional transfer of energy between the different voltage rails within these vehicles.

Our digital power solutions enable designs that offer higher system efficiency and integration, higher power density, faster control loops and more flexibility in various power topologies. Additionally, these solutions can reduce BOM and system costs, while providing the necessary components for a functionally safe design.

Solutions


Digital Signal Controllers


Our portfolio of Digital Signal Controllers (DSC) includes devices with features supporting common, multi-loop digital Switch-Mode Power Supplies (SMPS) and other digital power-conversion applications. These DSCs are also ideal for switched mode power supplies such as AC/DC, DC/DC, UPS and PFC, providing high-precision digital control of buck, boost, fly-back, half-bridge, full-bridge, LLC and other power circuits to reach the highest possible energy efficiency.

  • dsPIC33EP128GS805 – 16-bit DSC for digital power applications with interconnected high-speed Pulse-Width Modulator (PWM), Analog-to-Digital Converter (ADC), Programmable Gain Amplifier (PGA) and comparators
  • dsPIC33CK64MP205 – 16-bit Digital Signal Controller with high-resolution PWM

CAN Transceivers


Our CAN transceivers includes CAN 2.0, CAN Flexible Data-Rate (CAN FD), and CAN Partial Networking (CAN PN) transceivers and support the newest CAN standards, ISO 11898 2/5/6, ISO 11898-2:2016 and SAE J2962-2. Features include various wake-up functionalities and exceptional EMC performance even without a common-mode choke. We also offer the industry’s first AEC-Q100 Grade-0 (150°C) qualified CAN transceiver family.

  • ATA6562 – High-speed CAN FD transceiver with standby and silent mode and WUP
  • MCP2561FD – High-speed CAN FD transceiver with standby mode and SPLIT pin
  • ATA6570 – High-speed CAN FD transceiver with Partial Networking

Temperature Sensors


Our lineup of temperature sensors and switches comprises analog and digital outputs, giving you the flexibility you need for your design. Our automotive-grade temperature sensors are factory calibrated with up to ±0.5°C accuracy over a temperature range of −40°C to 125°C. Available in very small form factors, they provide an ideal solution for temperature sensing without consuming a significant amount of board space.

  • MCP9700A – Low-power linear active thermistor ICs, analog output
  • MCP9800 – 2-wire high-accuracy temperature sensor, digital output
  • MCP9504 – Temperature switch with selectable hysteresis

Voltage Regulators


Our basic power management solutions include several automotive-grade linear and switched voltage regulators. Linear regulators feature low dropout voltages, ultra-low quiescent currents, wide input voltage ranges, load dump and reverse battery protection. Switching regulators support buck, boost, buck-boost and SEPIC designs from 100 mA to 12A output currents.

  • MAQ5281  High-performance, low-dropout regulator, 25 mA, 120V, adjustable Vout from 1.27 to 5.5V.
  • MCP1790 – 30V, 70 mA, load dump protected linear voltage regulator
  • MCP16311 – 30V, 1A PFM/PWM high-efficiency synchronous buck regulator
  • MCP16331 – 50V 1A non-synchronous buck regulator

MOSFET Drivers


For ease of design, an integrated MOSFET driver provides an interface between the digital signal controller and the six MOSFET array controlling the three-phase motor. These devices feature low propagation delays, anti-shoot through outputs which are guaranteed to not overlap, and an overcurrent protection and an internal diode that charges the high-side gate drive bootstrap capacitor.

Analog-to-Digital Converters


If you need an external Analog-to-Digital Converter (ADC) for your design, we offer a wide variety of solutions. Our automotive-grade portfolio includes Successive Approximation Register (SAR) and delta-sigma ADCs. Our SAR ADCs range from 10-bit to 16-bit resolution with speeds up to 1 Msps. Our delta-sigma converters offer 16-bit to 22-bit resolutions, with sampling rates up to 125 ksps.

  • MCP3001 – 2.7V 10-bit ADC with SPI serial interface
  • MCP3302 – 13-bit differential input ADC with SPI serial interface
  • MCP33131D-10 - 1 Msps 16-/14-/12-bit differential input SAR ADC
  • MCP3422 – 18-bit, multi-channel delta-sigma ADC with I2C interface and on-board reference
  • MCP3553 – Low-power, single-channel 22-bit delta-sigma ADC

Op Amps


Our portfolio of operational amplifiers (op amps) includes general-purpose, precision and zero-drift amplifiers. If your design requires low-offset voltages or drift, low quiescent currents or enhanced EMI rejection, we have a solution that fits your needs. Our op amps are available in single, dual and quad configurations in very small form factors.

  • MCP6004 – General-purpose quad op amp, 1 MHz, low power, rail-to-rail
  • MCP6032 – High-precision dual op amp, 0.9 µA quiescent current, 150 µV offset voltage
  • MCP6V28 – 620 µA, 2 MHz auto-zeroed op amp

MEMS Oscillators


Our MEMS oscillators are designed to meet the stringent requirements of the harsh automotive environment. With quality and performance advantages over crystal oscillators such as DPPM levels that are ten times lower, shock tolerance 500 times higher and vibration tolerance five times higher, these MEMS oscillators are an excellent choice for automotive applications. Our leading-edge MEMS technology, advanced packaging and innovative Phase-Locked Loop (PLL) design enables us to offer the most stable, reliable and robust oscillators in the industry.

  • DSA1105 – Automotive low-jitter MEMS oscillator
  • DSA1125 – Automotive low-jitter MEMS oscillator
  • DSA2311 – Automotive MEMS clock generator

EEPROMs


We are a leading supplier of high-quality, robust serial EEPROMs, supporting I2C, SPI, Microwire and UNI/O® bus types. Our EEPROMs are triple-tested to ensure the highest quality and reliability and feature endurance levels exceeding one million cycles and over 200 years of data retention.

  • AT25128B – 128 Kb SPI serial EEPROM
  • 24LC128 – 128 Kb I2C compatible 2-wire serial EEPROM
  • 93LC86C – 16 Kb Microwire (3-wire) serial EEPROM with hardware-selectable word size

Development Tools