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MKV42F256VLH16

MKV42F256VLH16

NXP Semiconductors
ARM Microcontrollers - MCU Kinetis KV42: 168MHz Cortex-M4F Real-time Control MCU, 256KB Flash, 32KB SRAM, 3xFlexTimer, 64-LQFP
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Overview

The MKV42F256VLH16 is a high-performance Kinetis KV4x family microcontroller based on the ARM Cortex-M4F core operating at 168MHz. This device is specifically engineered for motor control and digital power conversion applications, featuring advanced timers and high-speed analog peripherals. It includes 256KB of Flash memory and 32KB of SRAM in a 64-LQFP package.

Why Choose This Part

The 168MHz clock speed and hardware floating-point unit (FPU) enable rapid execution of complex control loops. It features three FlexTimer modules and dual 12-bit ADCs capable of 1.9 MSPS to ensure high-accuracy feedback sampling synchronized with PWM outputs. The integrated NanoEdge PWM technology provides high-resolution timing, which is critical for minimizing switching losses in power electronics.

Applications

Brushless DC (BLDC) Motor Control
Uses high-speed ADCs and FlexTimer modules to implement sophisticated sensorless field-oriented control (FOC) algorithms.
Uninterruptible Power Supplies (UPS)
Manages high-frequency power switching and power factor correction (PFC) using precise PWM timing and integrated comparators.
Industrial Drives
Provides real-time control for AC induction motors and permanent magnet synchronous motors in factory automation environments.
Renewable Energy Inverters
Controls DC-to-AC conversion stages for solar and wind power systems requiring fast loop response times.

Getting Started

Engineers can evaluate this MCU using the TWR-KV46F150M Tower System module or the FRDM-KV31F Freedom board for general Kinetis V-series development. Development is supported by NXP MCUXpresso SDK, IDE, and Configuration Tools, which include specialized motor control libraries. Practical firmware development typically involves using the NXP FreeMASTER tool for real-time visualization of motor control variables.

Also Consider

STM32G474RET6 STMicroelectronics - Offers a higher clock speed of 170MHz and specialized high-resolution timers targeted at digital power and motor control.