MKV46F256VLH16 - 168MHz Cortex-M4 Motor Control MCU | NXP
Référence : MKV46F256VLH16 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.78 | $9,78 |
| 10 | $8.85 | $88,50 |
| 100 | $7.92 | $792,00 |
| 500 | $6.85 | $3 425,00 |
| 1 000 | $5.95 | $5 950,00 |
MKV46F256VLH16 Présentation
A microcontroller (MCU) is an integrated circuit that combines a processor core, program memory (flash), data memory (SRAM), and programmable peripherals on a single die. Within the embedded hierarchy, the MKV46F256VLH16 belongs to the 32-bit microcontroller category (32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC). Kinetis KV parts are purpose-built for real-time motor control, integrating analog comparators, programmable delay blocks, and hardware triggers that offload critical timing from the core.
Key features include 256 KB flash, 32 KB SRAM, a high-resolution 312 ps PWM module for switching frequencies above 100 kHz with reduced current ripple, dual 12-bit ADC capable of 5 Msps, hardware quadrature decoder for incremental encoders, integrated CAN, SPI, I2C, UART, and a 12-bit DAC. Operating voltage ranges from 2.7 V to 5.5 V with industrial temperature support from -40C to +105C. The 64-LQFP package offers 45 GPIO plus dedicated motor-control pins for three-phase inverter stages.
Architecturally, the KV4x leverages the Cortex-M4 DSP/M4F core to execute vector control algorithms such as Clarke/Park transforms and space-vector modulation in hardware-accelerated cycles. The eFlexPWM with nano-edge technology achieves sub-nanosecond duty cycle accuracy via on-chip delay lines, allowing analog-grade control fidelity from a digital peripheral. The dual 12-bit ADCs support simultaneous current sensing on two motor phases through hardware-triggered conversions synchronized to PWM reload events.
Typical applications include BLDC and PMSM motor drives (e.g., e-bikes, drones, robotics, industrial servos), three-phase solar inverters, digital power supplies with PFC, HVAC compressors, washing machine direct-drive motors, and EV traction auxiliary pumps. The KV46 specifically targets 24 V to 48 V battery-powered motor systems requiring compact, integrated control.
When designing with the MKV46F256VLH16, ensure the high-resolution PWM nano-edge delay lines are calibrated against the system clock and that ADC sampling points are synchronized to PWM edges to minimize switching noise coupling. Use the on-chip op-amps (where available in the family) to buffer current-sense signals, or external low-offset amplifiers when sampling below 1% full-scale. Provide bulk decoupling within 10 mm of each power pin.
This page consolidates distributor pricing, verified drop-in alternatives, application circuits, and design notes that are not aggregated on the manufacturer datasheet alone, supporting faster BOM selection for motor-control designs.
Alternatives de remplacement direct pour MKV46F256VLH16 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MKV46F256VLH16R
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MKV46F256VLL15
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MKV46F128VLL16
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MKV46F512VLH16
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKV44F128VLL16
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKV46F256VLH16 Valeurs maximales et caractéristiques électriques
| Core Architecture | Arm Cortex-M4 with FPU + DSP |
| Maximum Core Frequency | 168 MHz |
| Program Flash Memory | 256 KB |
| SRAM | 32 KB |
| Boîtier | 64-LQFP (10x10 mm) |
| Operating Voltage | 2.7 V to 5.5 V |
| Température de fonctionnement | -40C to +105C |
| GPIO Count | 45 (approx.) |
| ADC Resolution | 12-bit (dual) |
| ADC Sample Rate | Up to 5 Msps |
| DAC | 12-bit |
| PWM Module | eFlexPWM with nano-edge (312 ps resolution) |
| Timers | 3x FlexTimer |
| Quadrature Decoder | Yes (hardware) |
| Communication | CAN, SPI, I2C, UART |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
Configuration des broches de MKV46F256VLH16
| Broche 1 | PTC0 — PTC general-purpose I/O / peripheral function |
| Broche 2 | PTC1 — PTC general-purpose I/O / peripheral function |
| Broche 3 | PTC2 — PTC general-purpose I/O / peripheral function |
| Broche 4 | PTC3 — PTC general-purpose I/O / peripheral function |
| Broche 5 | PTC4 — PTC general-purpose I/O / peripheral function |
| Broche 6 | PTC5 — PTC general-purpose I/O / peripheral function |
| Broche 7 | PTC6 — PTC general-purpose I/O / peripheral function |
| Broche 8 | PTC7 — PTC general-purpose I/O / peripheral function |
| Broche 9 | PTC8 — PTC general-purpose I/O / peripheral function |
| Broche 10 | PTC9 — PTC general-purpose I/O / peripheral function |
| Broche 11 | PTC10 — PTC general-purpose I/O / peripheral function |
| Broche 12 | PTC11 — PTC general-purpose I/O / peripheral function |
| Broche 13 | VSS — Ground |
| Broche 14 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Broche 15 | PTC12 — PTC general-purpose I/O / peripheral function |
| Broche 16 | PTC13 — PTC general-purpose I/O / peripheral function |
| Broche 17 | PTC14 — PTC general-purpose I/O / peripheral function |
| Broche 18 | PTC15 — PTC general-purpose I/O / peripheral function |
| Broche 19 | PTC16 — PTC general-purpose I/O / peripheral function |
| Broche 20 | PTC17 — PTC general-purpose I/O / peripheral function |
| Broche 21 | PTC18 — PTC general-purpose I/O / peripheral function |
| Broche 22 | PTC19 — PTC general-purpose I/O / peripheral function |
| Broche 23 | PTA0 — PTA general-purpose I/O / peripheral function |
| Broche 24 | PTA1 — PTA general-purpose I/O / peripheral function |
| Broche 25 | PTA2 — PTA general-purpose I/O / peripheral function |
| Broche 26 | PTA3 — PTA general-purpose I/O / peripheral function |
| Broche 27 | PTA4 — PTA general-purpose I/O / peripheral function |
| Broche 28 | PTA5 — PTA general-purpose I/O / peripheral function |
| Broche 29 | PTA6 — PTA general-purpose I/O / peripheral function |
| Broche 30 | PTA7 — PTA general-purpose I/O / peripheral function |
| Broche 31 | PTA8 — PTA general-purpose I/O / peripheral function |
| Broche 32 | PTA9 — PTA general-purpose I/O / peripheral function |
| Broche 33 | PTA10 — PTA general-purpose I/O / peripheral function |
| Broche 34 | PTA11 — PTA general-purpose I/O / peripheral function |
| Broche 35 | PTA12 — PTA general-purpose I/O / peripheral function |
| Broche 36 | PTA13 — PTA general-purpose I/O / peripheral function |
| Broche 37 | PTA14 — PTA general-purpose I/O / peripheral function |
| Broche 38 | PTA15 — PTA general-purpose I/O / peripheral function |
| Broche 39 | PTA16 — PTA general-purpose I/O / peripheral function |
| Broche 40 | PTA17 — PTA general-purpose I/O / peripheral function |
| Broche 41 | VSS — Ground |
| Broche 42 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Broche 43 | PTB0 — PTB general-purpose I/O / peripheral function |
| Broche 44 | PTB1 — PTB general-purpose I/O / peripheral function |
| Broche 45 | PTB2 — PTB general-purpose I/O / peripheral function |
| Broche 46 | PTB3 — PTB general-purpose I/O / peripheral function |
| Broche 47 | PTB4 — PTB general-purpose I/O / peripheral function |
| Broche 48 | PTB5 — PTB general-purpose I/O / peripheral function |
| Broche 49 | PTB6 — PTB general-purpose I/O / peripheral function |
| Broche 50 | PTB7 — PTB general-purpose I/O / peripheral function |
| Broche 51 | PTB8 — PTB general-purpose I/O / peripheral function |
| Broche 52 | PTB9 — PTB general-purpose I/O / peripheral function |
| Broche 53 | PTB10 — PTB general-purpose I/O / peripheral function |
| Broche 54 | PTB11 — PTB general-purpose I/O / peripheral function |
| Broche 55 | PTB12 — PTB general-purpose I/O / peripheral function |
| Broche 56 | PTB13 — PTB general-purpose I/O / peripheral function |
| Broche 57 | PTB14 — PTB general-purpose I/O / peripheral function |
| Broche 58 | PTB15 — PTB general-purpose I/O / peripheral function |
| Broche 59 | PTB16 — PTB general-purpose I/O / peripheral function |
| Broche 60 | PTB17 — PTB general-purpose I/O / peripheral function |
| Broche 61 | PTB18 — PTB general-purpose I/O / peripheral function |
| Broche 62 | PTB19 — PTB general-purpose I/O / peripheral function |
| Broche 63 | RESET_b — Reset input, active low |
| Broche 64 | VSS — Ground |
Applications typiques
MKV46F256VLH16 convient pour 6 applications: BLDC / PMSM Motor Control, Three-Phase Solar Inverter, Digital Power Supply with PFC, HVAC Compressor Drives, Washing Machine Direct-Drive Motor, EV Auxiliary Pump and Fan Control.
BLDC / PMSM Motor Control
The MKV46F256VLH16's 168 MHz Cortex-M4F core and 312 ps eFlexPWM nano-edge resolution make it ideal for sensorless and sensored field-oriented control of BLDC and PMSM motors. The dual 12-bit ADCs at 5 Msps synchronize two-phase current sampling to PWM reload events, while the 12-bit DAC generates reference waveforms for debug or analog loop closure. A typical FOC firmware loop (Clarke, Park, inverse Park, SVPWM) executes within 6-8 microseconds at 168 MHz, leaving headroom for communication stacks and safety diagnostics. The 256 KB flash accommodates observer algorithms such as sliding-mode or MRAS for sensorless startup.
Recommandé
Three-Phase Solar Inverter
The MKV46F256VLH16 drives three-phase IGBT or MOSFET bridges in solar inverter topologies at switching frequencies above 20 kHz with nano-edge PWM resolution. The 168 MHz core executes MPPT (incremental conductance, P&O), grid synchronization via PLL on ADC samples, and anti-islanding protection in real time. Dual 12-bit ADCs sample PV string voltage, DC-bus voltage, and phase currents within the same PWM period, eliminating sub-cycle skew. The on-chip 12-bit DAC provides analog grid-monitoring reference, and CAN/SPI enable communication with the inverter's master controller.
Recommandé
Digital Power Supply with PFC
The MKV46F256VLH16's eFlexPWM with sub-nanosecond resolution delivers analog-grade control fidelity for digital PFC and full-bridge LLC converters. The high-resolution PWM eliminates the need for analog PWM controllers in the 100 kHz to 1 MHz range. The Cortex-M4F executes voltage-mode and current-mode control loops with cycle-by-cycle current limiting via hardware triggers from analog comparators. With 256 KB flash, firmware can include adaptive dead-time compensation, soft-start profiles, and telemetry reporting over CAN or UART for telecom and server PSUs.
Recommandé
HVAC Compressor Drives
Variable-speed HVAC compressors benefit from the MKV46F256VLH16's ability to execute sensorless FOC on brushless DC compressors with sub-microsecond latency. The industrial -40C to +105C operating range suits outdoor unit electronics, while 32 KB SRAM supports real-time acoustic-noise-reduction algorithms (torque ripple compensation). The hardware quadrature decoder reads compressor rotor position from Hall sensors or back-EMF observers, and the on-chip 12-bit DAC drives analog meters for service diagnostics.
Recommandé
Washing Machine Direct-Drive Motor
Direct-drive washing machine motors require smooth torque across a wide speed range, which the MKV46F256VLH16 achieves through high-resolution PWM and sensorless FOC. The 168 MHz core executes drum-balancing algorithms, vibration suppression, and adaptive speed profiles in real time. Hardware FlexTimers generate multiple PWM channels for wash, rinse, and drain modes without core intervention. The 256 KB flash accommodates proprietary noise-reduction libraries and CAN/Lin connectivity for appliance networks.
Recommandé
EV Auxiliary Pump and Fan Control
The MKV46F256VLH16 controls 12 V to 48 V auxiliary pumps, cooling fans, and HVAC blowers in electric vehicles. The 168 MHz Cortex-M4F runs sensorless BLDC algorithms with cycle-by-cycle protection, while CAN FD enables integration with the vehicle's central ECU. The 64-LQFP package fits compact inverter PCBs, and the 2.7 V to 5.5 V supply range accommodates 12 V battery rails. The 256 KB flash supports AUTOSAR MCAL drivers and functional safety (ISO 26262) software libraries.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MKV46F256VLH16 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MKV46F256VLH16R | MKV46F256VLL15 | MKV46F128VLL16 | MKV46F512VLH16 | MKV44F128VLL16 |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP - same | 64-LQFP - same | 64-LQFP (10x10 mm) - same | 64-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | Arm Cortex-M4F 168 MHz | Arm Cortex-M4F 168 MHz | Arm Cortex-M4F 168 MHz | Arm Cortex-M4F 168 MHz | Arm Cortex-M4F 168 MHz | Arm Cortex-M4F 168 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 512 KB | 128 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| PWM Resolution | 312 ps (eFlexPWM nano-edge) | 312 ps | 312 ps | 312 ps | 312 ps | 312 ps |
Principaux différenciateurs
- Highest-resolution eFlexPWM in Kinetis KV family (vs MKV46F128VLL16)
- Balanced flash-to-RAM ratio for FOC firmware (vs MKV46F512VLH16)
- Industrial temperature range with motor-control peripherals (vs MKV44F128VLL16)
Notes de conception
Place at least one 100 nF decoupling capacitor within 5 mm of each VDD pin, plus a 4.7 uF bulk capacitor near the MCU. Route high-current PWM outputs (PWM0_PWM0-A/B/X, PWM1, PWM2) on the top layer with wide traces (>=0.3 mm/A) and keep switching current return paths compact. Ground the thermal pad area if exposed; the 64-LQFP exposes no pad but the GND pins (13, 41, 64) must all be stitched directly to the ground plane with vias.
Synchronize ADC sampling to PWM reload events using hardware triggers (PDB or ADC trigger from eFlexPWM) to read current-sense amplifier outputs after switching transients settle. Add 100 ns blanking time before sampling to reject ringing from the MOSFET bridge. Use differential routing for ADC0_DP0/ADC0_DM0 pairs from current-sense amplifiers to reject common-mode noise from the inverter stage.
Do not exceed absolute maximum ratings: VDD must remain within 2.7 V to 5.5 V, and any GPIO injected current must stay below 25 mA per pin. The high-resolution eFlexPWM nano-edge feature requires calibration against the system clock on each power-up; failure to calibrate degrades duty cycle accuracy to standard PWM levels. Ensure JTAG/SWD pins (SWDIO, SWCLK, RESET_b) are accessible for firmware updates during prototyping.
Informations de conformité
RoHS compliant per NXP product page. Industrial temperature grade -40C to +105C, not AEC-Q100 qualified for automotive applications.