NXP Semiconductors MKV46F128VLL16R

Overview

MKV46F128VLL16R from NXP Semiconductors is a 168 MHz Arm® Cortex®-M4 microcontroller with FPU, designed for high-precision motor control and digital power conversion. It integrates dual 12-bit ADCs (4.1 MSPS, 240 ns conversion), eFlexPWM with 312 ps resolution, 18-channel ADC A + 20-channel ADC B, and 128 KB flash / 24 KB RAM in a 100-pin LQFP package. It operates across –40 to 105 °C at 1.71–3.6 V supply.

For engineers reviewing the MKV46F128VLL16R datasheet, MKV46F128VLL16R pinout, MKV46F128VLL16R application, or MKV46F128VLL16R equivalent, this page delivers verified technical context, validated pin functions, confirmed motor-control-specific peripherals (eFlexPWM, PDB, ENC), and real-world substitution guidance - all grounded in NXP's KV4x Rev. 4 datasheet and official package drawings.

Technical Context

The MKV46F128VLL16R implements an Arm Cortex-M4 core with single-precision FPU and DSP extensions, running at up to 168 MHz with 1:2 timer input clock-to-core ratio. Its analog subsystem includes two independent 12-bit cyclic ADCs (ADC A and ADC B), four analog comparators with integrated 6-bit DACs, and one standalone 12-bit DAC.

Timing and control are handled by the eFlexPWM module (4 submodules → 12 PWM outputs), two 8-channel FlexTimers (FTM0, FTM3), one 2-channel FlexTimer (FTM1), four Periodic Interrupt Timers (PIT), two Programmable Delay Blocks (PDB), and a Quadrature Encoder/Decoder (ENC). Dual FlexCAN 2.0B modules support robust automotive and industrial communication.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar motor control and digital power conversion applications.

Compared with MKV46F128VLL16R, MKV46F256VLL16 offers headroom for advanced control features without hardware redesign, while MKV44F128VLL16 trades NanoEdge capability for cost reduction in less demanding applications - both maintain identical package, pinout, and core peripheral set.

Availability

MKV46F128VLL16R is available at Aetrix Electronics and suitable for industrial motor drives, digital power supplies, automotive electric power steering systems, and renewable energy inverters requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MKV46F128VLL16R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, IoT, and mobile applications - with deep expertise in real-time microcontrollers and power management.

The KV4x product line was engineered specifically for high-performance motor control and digital power conversion, integrating precision analog, ultra-fast PWM, and deterministic timing peripherals into a single Arm Cortex-M4 platform.

FAQ

What is the maximum operating frequency of the MKV46F128VLL16R core?

The MKV46F128VLL16R features an Arm Cortex-M4 core rated for up to 168 MHz operation with integrated single-precision floating-point unit (FPU) and DSP extensions. This frequency is supported across the full industrial temperature range (–40 to 105 °C) and 1.71–3.6 V supply, enabling real-time execution of complex motor control algorithms such as field-oriented control (FOC) and model-predictive control (MPC) without throttling.

Does the MKV46F128VLL16R support hardware-based encoder interfacing?

Yes, the MKV46F128VLL16R includes a dedicated Quadrature Encoder/Decoder (ENC) module that directly interfaces with incremental encoders. It supports 4× interpolation, index pulse detection, and hardware velocity computation - offloading the CPU from real-time position/speed calculation. This functionality is fully integrated and requires no external components, making it ideal for servo drives and robotics applications using the MKV46F128VLL16R.

What analog-to-digital converter (ADC) resources does the MKV46F128VLL16R provide?

The MKV46F128VLL16R integrates two independent 12-bit cyclic ADCs: ADC A (18 channels) and ADC B (20 channels), each capable of 4.1 MSPS aggregate throughput and 240 ns conversion time. Both ADCs support hardware triggering via PDB and eFlexPWM, enabling synchronous sampling of current/voltage feedback signals critical for high-fidelity motor control loops executed on the MKV46F128VLL16R.

Is the MKV46F128VLL16R pin-compatible with other KV4x family members?

Yes, the MKV46F128VLL16R in 100-pin LQFP (VLL suffix) shares identical pinout and signal mapping with other VLL-package KV4x variants including MKV46F256VLL16, MKV44F128VLL16, and MKV42F128VLL16. This enables direct substitution within the same footprint for memory scaling or feature optimization - no PCB redesign is needed when migrating between these MKV46F128VLL16R-compatible parts.

What communication interfaces are integrated into the MKV46F128VLL16R?

The MKV46F128VLL16R integrates dual FlexCAN 2.0B modules (supporting 1 Mbps), two UART/FlexSCI interfaces (with 8-/9-bit programmable format), one SPI module, and one I²C module. These interfaces are fully functional across the device's operating voltage and temperature range, enabling robust subsystem communication in motor drives, power converters, and automotive applications using the MKV46F128VLL16R.