MKL05Z32VFK4 - 48MHz Cortex-M0+ 32KB Flash MCU | NXP
Référence : MKL05Z32VFK4 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.94 | $4,94 |
| 10 | $4.54 | $45,40 |
| 100 | $4.12 | $412,00 |
| 500 | $3.85 | $1 925,00 |
| 1 000 | $3.52 | $3 520,00 |
MKL05Z32VFK4 Présentation
A microcontroller (MCU) is a single-chip computer integrating a processor core, memory, and peripherals on one die. Within the MCU hierarchy, the Kinetis KL0x family is the entry point into NXP's Kinetis L series, which is built on the energy-efficient ARM Cortex-M0+ core - the most power-optimized member of the ARM Cortex-M profile, designed to replace 8-bit and 16-bit MCUs in cost- and power-sensitive embedded systems.
Key features include 48 MHz core operation, 32KB of on-chip Flash, 4KB of SRAM, supply operation at 1.8V, 2.5V, or 3.3V, and an integrated peripheral set covering multiple timers, a real-time clock (RTC), an analog comparator, and a 4-channel DMA controller. The Cortex-M0+ pipeline with its two-stage design delivers low dynamic power consumption, and the small 4x4 mm QFN-EP footprint suits space-constrained designs.
Technically, the KL0x family shares the Kinetis software and tool ecosystem - NXP MCUXpresso SDK and IDE, plus third-party tool support - which shortens time to market and allows migration upward to KL1x/KL2x devices when flash or peripheral requirements grow. The 24-QFN exposed-pad package also improves thermal performance and provides a low-inductance ground return.
Typical applications include small consumer appliances, portable battery-powered devices, simple motor control and lighting systems, and sensor-interface nodes where 8-bit migration to 32-bit is desired. The RTC and low-power modes support always-on designs with limited energy budgets.
A key design consideration is the modest 4KB SRAM: communication stacks or large buffering schemes must be planned carefully, and applications needing USB or larger RAM should step up to other Kinetis family members.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-10-18.
Alternatives de remplacement direct pour MKL05Z32VFK4 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MKL05Z32VFK4 (même facteur de forme et même empreinte) — différant par Package, Flash Memory, SRAM, Series, Product Family.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MKL05Z16VFK4
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKL04Z32VFK4
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MKL03Z32VFK4
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.61 / unité
Voir la fiche technique →MKL02Z32VFK4
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKL02Z16VFG4
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MKL04Z32VFM4
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.15 / unité
Voir la fiche technique →MKL05Z32VFK4 Valeurs maximales et caractéristiques électriques
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| Fréquence d'horloge maximale | 48 MHz |
| Flash Memory | 32KB (32K x 8) |
| SRAM | 4KB |
| Tension d'alimentation | 1.8V / 2.5V / 3.3V |
| Peripherals | DMA (4-channel), RTC, Comparator, Timers |
| Boîtier | 24-QFN (4x4 mm) with Exposed Pad |
| Type de montage | Surface Mount |
| Technology | CMOS |
| Series | Kinetis KL0x (KL05) |
| Packaging | Tray |
Guide de configuration des broches du MKL05Z32VFK4 24-qfn (4x4 mm) with exposed pad
Configuration des broches du MKL05Z32VFK4 (boîtier 24-qfn (4x4 mm) with exposed pad). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MKL05Z32VFK4.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MKL05Z32VFK4 convient pour 6 applications: Portable Battery-Powered Devices, Consumer Appliance Control, Sensor Interface Nodes, LED Lighting Control, Simple Motor Control, 8-bit to 32-bit Migration Platforms.
Portable Battery-Powered Devices
The MKL05Z32VFK4 fits portable and wearable products because the ARM Cortex-M0+ core delivers efficient processing at up to 48 MHz while supporting low-voltage operation at 1.8V, 2.5V, or 3.3V. Battery-powered designs use the real-time clock to maintain timekeeping in low-power states and wake the core on timer or comparator events, keeping average current low. With 32KB Flash and 4KB SRAM, compact application firmware including sensor polling and simple user interfaces fits comfortably. Typical use: duty-cycled sensor hubs where the MCU sleeps most of the time and wakes briefly to sample and transmit, extending battery life substantially versus an always-running solution.
Recommandé
Consumer Appliance Control
Small appliances - kettles, fans, chargers, and simple white-goods controls - benefit from the MKL05Z32VFK4's combination of a 32-bit core, multiple timers, and analog comparator at a consumer price point (about $4.94 at unit quantity as of 2026-10-18). Timers handle PWM generation for motor speed or heater control, while the comparator provides low-cost threshold detection for over-temperature or level sensing without an external ADC channel budget. The 4x4 mm 24-QFN exposed-pad package shrinks PCB area in space-limited housings, and migration to larger Kinetis L parts preserves software investment when feature sets grow.
Recommandé
Sensor Interface Nodes
As a sensor acquisition node, the MKL05Z32VFK4 reads analog signals via its comparator and digital sensors through its serial peripherals, with the 4-channel DMA moving data without CPU intervention to minimize energy per sample. The 48 MHz Cortex-M0+ provides ample headroom for filtering and scaling math that overloads 8-bit parts, and 32KB Flash holds protocol firmware with margin. The RTC supports timestamped logging in remote monitoring installations. The part's low supply range (down to 1.8V) matches coin-cell and single-cell lithium rails after simple regulation, simplifying power tree design in distributed sensor networks.
Recommandé
LED Lighting Control
In LED lighting, the MKL05Z32VFK4 generates PWM dimming and color-mixing waveforms with its timer peripherals while monitoring current or temperature through the analog comparator for protection. The 48 MHz core executes closed-loop dimming algorithms and communication decoding (DALI-like or proprietary serial) without external logic. Operating from 1.8V-3.3V supplies eases interfacing with low-voltage control circuitry, and the exposed-pad QFN dissipates heat effectively when switching external MOSFET drivers. The 32KB Flash accommodates multiple lighting profiles and firmware-updatable behavior tables, supporting product families on a single PCB platform.
Recommandé
Simple Motor Control
For small brushed DC and stepper motors, the MKL05Z32VFK4 uses its timers for PWM drive and the comparator plus external shunt for basic current-limit protection, all inside a 4x4 mm footprint that keeps controller PCB area minimal. The 48 MHz Cortex-M0+ executes commutation and ramp profiling deterministically, while 32KB Flash stores multiple speed profiles and fault-handling routines. The 4-channel DMA offloads serial command handling so the control loop timing remains jitter-free. Designs later needing sensorless FOC should step up the Kinetis family, but fan, pump, and actuator applications are well within this part's capability.
Recommandé
8-bit to 32-bit Migration Platforms
The Kinetis KL0x family, including the MKL05Z32VFK4, was explicitly designed by NXP as the entry point for migrating legacy 8-bit designs to 32-bit ARM. At 48 MHz with 32KB Flash and a low $4.94 unit price as of 2026-10-18, it matches many 8-bit MCUs on cost and board space while offering modern C development, easier arithmetic, and a scalable roadmap into the broader Kinetis L and K series. Existing peripheral models (timers, comparator, serial) map cleanly from 8-bit designs, and the shared MCUXpresso ecosystem lets one codebase scale across memory and peripheral variants as products evolve.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MKL05Z32VFK4 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MKL05Z16VFK4 | MKL04Z32VFK4 | MKL02Z32VFK4 |
|---|---|---|---|---|
| Package | 24-QFN (4x4 mm) EP | 24-QFN (4x4 mm) EP - same | 24-QFN (4x4 mm) EP - same | 24-QFN (4x4 mm) EP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz |
| Flash | 32KB | 16KB | 32KB | 32KB |
| SRAM | 4KB | 4KB | 4KB | 4KB |
| Supply Voltage | 1.8V / 2.5V / 3.3V | 1.8V / 2.5V / 3.3V | 1.8V / 2.5V / 3.3V | 1.8V / 2.5V / 3.3V |
| Peripheral Set | Timers, RTC, Comparator, 4-ch DMA | Timers, RTC, Comparator, 4-ch DMA | Timers, DMA (reduced analog/RTC) | Timers, DMA (minimal set) |
Principaux différenciateurs
- RTC and comparator integrated (vs MKL02Z32VFK4)
- Full 32KB Flash memory (vs MKL05Z16VFK4)
- Reduced design complexity vs larger Kinetis parts (vs MKL26Z128VMC4)
Notes de conception
The 24-QFN exposed pad must be soldered to a grounded PCB land pattern. Extend a via-stitched copper pour beneath the package to ground plane for the lowest-inductance return path - this also serves as thermal relief for the 4x4 mm package. Use the NXP-recommended QFN footprint dimensions in the device datasheet land-pattern appendix, with paste stencils segmented over the EP to avoid voiding during reflow.
The MKL05Z32VFK4 operates at 1.8V, 2.5V, or 3.3V. Decouple each supply pin with 100 nF ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor per rail. If flash programming is performed in-system, verify the programming voltage requirement in the NXP datasheet because it can be stricter than the digital core operating range. Budget the 4KB SRAM early - stack overflow is the most common firmware failure on small Kinetis devices.
Dynamic power scales with clock frequency, so running the full 48 MHz continuously in a battery design wastes energy - use clock gating and low-power stop modes between tasks and leverage the RTC for wake events. The 4KB SRAM limits communication stacks; avoid carrying full TCP/IP or large BLE host stacks on this part. For GPIO count and ADC resources, confirm against the KL05 sub-family datasheet, since available pins on the 24-QFN are fewer than on larger packages in the same family.
Informations de conformité
Compliance data not present in provided web data. Consult the Environmental Quality section of the NXP product page (nxp.com/part/MKL05Z32VFK4) for official RoHS/REACH declarations.
