MKL05Z32VFK4 - 48MHz Cortex-M0+ 32KB Flash MCU | NXP
部品番号: MKL05Z32VFK4 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 概要
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.
ドロップイン代替品: MKL05Z32VFK4 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MKL05Z32VFK4 （同一形状・フットプリント） — 相違点: Package, Flash Memory, SRAM, Series, Product Family.
クイック比較ツール — 並列比較する代替部品を選択:
MKL05Z16VFK4
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MKL04Z32VFK4
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
価格はお問い合わせください
データシートを見る →MKL03Z32VFK4
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1.61 / 個
データシートを見る →MKL02Z32VFK4
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MKL02Z16VFG4
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
価格はお問い合わせください
データシートを見る →MKL04Z32VFM4
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1.15 / 個
データシートを見る →MKL05Z32VFK4 最大定格＆電気的特性
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| 最大クロック周波数 | 48 MHz |
| Flash Memory | 32KB (32K x 8) |
| SRAM | 4KB |
| 電源電圧 | 1.8V / 2.5V / 3.3V |
| Peripherals | DMA (4-channel), RTC, Comparator, Timers |
| パッケージ | 24-QFN (4x4 mm) with Exposed Pad |
| 実装タイプ | Surface Mount |
| Technology | CMOS |
| Series | Kinetis KL0x (KL05) |
| Packaging | Tray |
MKL05Z32VFK4 24-qfn (4x4 mm) with exposed pad ピン配置ガイド
MKL05Z32VFK4 (24-qfn (4x4 mm) with exposed pad パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MKL05Z32VFK4.
詳細は データシート をご参照ください。
主な用途
MKL05Z32VFK4 の用途: 6 件s: 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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MKL05Z32VFK4 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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) |
主な差別化要因
- RTC and comparator integrated （vs MKL02Z32VFK4)
- Full 32KB Flash memory （vs MKL05Z16VFK4)
- Reduced design complexity vs larger Kinetis parts （vs MKL26Z128VMC4)
設計ノート
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.
コンプライアンス情報
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.
