MKL15Z32VFT4 - 48MHz Cortex-M0+ 32KB Flash MCU | NXP
部品番号: MKL15Z32VFT4 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.88 | $48.80 |
| 100 | $4.07 | $407.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $2.96 | $2,960.00 |
MKL15Z32VFT4 概要
What is a Kinetis KL1x microcontroller? The Kinetis KL1x is NXP's general-purpose ultra-low-power MCU family that builds on the KL0x family by adding more memory, communication peripherals, and analog options. The MKL15Z32VFT4 sits in this hierarchy as: microcontroller -> 32-bit MCU -> ARM Cortex-M0+ MCU -> Kinetis family -> KL1x sub-family -> KL15 sub-sub-family. The Cortex-M0+ core itself is the smallest, most energy-efficient ARM core, designed for cost-sensitive embedded applications where deterministic low power matters more than raw performance.
Key features include an operating voltage range of 1.71V to 3.6V, an industrial temperature range of -40C to +105C, a 12-bit ADC, multiple serial interfaces, low-power operating modes with sub-uA sleep currents, and an integrated 32KB flash memory array. The device also integrates a 16-bit SAR ADC, comparators, and a flexible low-power timer, making it suitable for battery-powered sensor products.
Architecturally, the MKL15Z32VFT4 leverages the Cortex-M0+ core's two-stage pipeline and single-cycle I/O access, paired with NXP's low-leakage process technology and an integrated voltage regulator. The 48 MHz core clock delivers 0.93 DMIPS/MHz and supports both Thumb and Thumb-2 instruction subsets. The chip integrates up to 40 GPIO, multiple DMA channels, and a peripheral crossbar for flexible signal routing.
Typical applications include wearable health monitors, battery-powered IoT sensor nodes, low-end consumer electronics, and industrial control nodes where energy harvesting or coin-cell operation is desired. The exposed thermal pad on the QFN package improves dissipation for sustained 48 MHz operation.
When designing with this part, pay attention to the exposed pad (EP) connection to the ground plane for thermal and electrical performance. Use NXP's Kinetis Design Studio or MCUXpresso toolchain for firmware development, and ensure the brown-out and low-voltage detect settings match the battery chemistry profile.
This page synthesizes distributor pricing, drop-in alternatives from the same Kinetis family, and practical design notes not found in the manufacturer datasheet alone.
ドロップイン代替品: MKL15Z32VFT4 — 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: MKL15Z32VFT4 （同一形状・フットプリント） — 相違点: Operating Supply Voltage, Operating Temperature Range, Program Memory Size, RAM Size.
クイック比較ツール — 並列比較する代替部品を選択:
MKL15Z64VFT4
✅ ドロップイン✓ 在庫あり
$2.44 / 個
データシートを見る →MKL15Z128VFT4
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MKL15Z32VFT4R
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MKL16Z32VFT4
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.21 / 個
データシートを見る →MKL24Z32VFT4
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MKL15Z32VFT4 最大定格＆電気的特性
| Core | ARM Cortex-M0+ |
| Core Architecture | ARM 32-bit |
| 最大クロック周波数 | 48 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 4 KB |
| 動作電源電圧 | 1.71 V to 3.6 V |
| 動作温度範囲 | -40 C to +105 C |
| ADC Resolution | 12-bit |
| ADC | 16-bit (Sigma-Delta) |
| Number of I/Os | 40 |
| パッケージ | 48-QFN (7x7 mm) with exposed pad |
| Package Code | HVQCCN (QFN-EP-48) |
| 実装タイプ | Surface Mount |
| Series | Kinetis KL1 |
| RoHS ステータス | Compliant |
| MSLレベル | 3 |
MKL15Z32VFT4 ピン構成
| ピン 1 | PTA0 — General purpose I/O / SWD clock |
| ピン 2 | PTA1 — General purpose I/O / SWD I/O |
| ピン 3 | PTA2 — General purpose I/O |
| ピン 4 | PTA3 — General purpose I/O |
| ピン 5 | PTA4 — General purpose I/O |
| ピン 6 | PTA5 — General purpose I/O |
| ピン 7 | PTA6 — General purpose I/O |
| ピン 8 | PTA7 — General purpose I/O |
| ピン 9 | PTB0 — General purpose I/O / ADC0_SE4 |
| ピン 10 | PTB1 — General purpose I/O / ADC0_SE5 |
| ピン 11 | PTB2 — General purpose I/O / ADC0_SE6 |
| ピン 12 | PTB3 — General purpose I/O / ADC0_SE7 |
| ピン 13 | PTB4 — General purpose I/O |
| ピン 14 | PTB5 — General purpose I/O |
| ピン 15 | PTB6 — General purpose I/O |
| ピン 16 | PTB7 — General purpose I/O |
| ピン 17 | PTC0 — General purpose I/O |
| ピン 18 | PTC1 — General purpose I/O |
| ピン 19 | PTC2 — General purpose I/O / TX |
| ピン 20 | PTC3 — General purpose I/O / RX |
| ピン 21 | PTC4 — General purpose I/O |
| ピン 22 | PTC5 — General purpose I/O |
| ピン 23 | PTC6 — General purpose I/O |
| ピン 24 | PTC7 — General purpose I/O |
| ピン 25 | PTD0 — General purpose I/O |
| ピン 26 | PTD1 — General purpose I/O |
| ピン 27 | PTD2 — General purpose I/O |
| ピン 28 | PTD3 — General purpose I/O |
| ピン 29 | PTD4 — General purpose I/O |
| ピン 30 | PTD5 — General purpose I/O |
| ピン 31 | PTD6 — General purpose I/O |
| ピン 32 | PTD7 — General purpose I/O |
| ピン 33 | PTE0 — General purpose I/O |
| ピン 34 | PTE1 — General purpose I/O |
| ピン 35 | PTE2 — General purpose I/O |
| ピン 36 | PTE3 — General purpose I/O |
| ピン 37 | PTE4 — General purpose I/O |
| ピン 38 | PTE5 — General purpose I/O |
| ピン 39 | PTE6 — General purpose I/O |
| ピン 40 | PTE7 — General purpose I/O |
| ピン 41 | VSS — Ground |
| ピン 42 | VDD — Supply voltage |
| ピン 43 | VOUT — Internal regulator output (1.2V core) |
| ピン 44 | VSS — Ground |
| ピン 45 | XTAL32K — 32 kHz crystal input |
| ピン 46 | EXTAL32K — 32 kHz crystal output |
| ピン 47 | XTAL — High-frequency crystal input |
| ピン 48 | EXTAL — High-frequency crystal output |
主な用途
MKL15Z32VFT4 の用途: 6 件s: Battery-Powered IoT Sensor Node, Wearable Health Monitor, Industrial Sensor Transmitter, Smart Home Edge Node, Consumer Electronics Remote Control, Electronic Shelf Label (ESL) Controller.
Battery-Powered IoT Sensor Node
The MKL15Z32VFT4 fits battery-powered IoT sensor nodes because its 1.71V to 3.6V supply range works directly from a single Li-ion or 3V coin cell, and its Cortex-M0+ core combined with multiple low-power modes delivers sub-uA sleep currents. The 4 KB SRAM buffers sensor data while the 32 KB flash stores the application and a small wireless protocol stack. The 12-bit ADC integrates directly with analog sensors (temperature, light, gas), and the integrated DMA reduces wake-time overhead. Placed between the battery and the radio module (e.g., NXP KW01 or external transceiver), the MKL15Z32VFT4 samples, processes, and only wakes the radio for transmissions, extending battery life to multiple years.
おすすめ
Wearable Health Monitor
The MKL15Z32VFT4 suits wearable health monitors due to its compact 7x7 mm QFN package, low-power operating modes, and 12-bit ADC for biomedical analog signal conditioning. The device's 1.71V minimum supply supports direct operation from a 3V coin cell without a boost converter, reducing BOM. The Cortex-M0+ core at 48 MHz provides enough headroom to run algorithms such as heart-rate extraction or step counting, while consuming less than 1 mA active. The exposed thermal pad aids heat dissipation during sustained operation, important when packaged in a sealed wearable enclosure.
おすすめ
Industrial Sensor Transmitter
The MKL15Z32VFT4 is well suited for industrial sensor transmitters operating across the -40C to +105C industrial temperature range. The wide 1.71V to 3.6V supply accommodates 24V industrial bus rails with a simple LDO drop-down, and the 12-bit ADC delivers adequate resolution for process-variable transmitters (pressure, flow, level). The flexible timer/PWM peripherals drive 4-20 mA current loops or HART modems. Placed in a sealed field instrument, the MCU handles self-calibration, sensor linearization, and diagnostics while consuming less than 2 mA active current.
おすすめ
Smart Home Edge Node
The MKL15Z32VFT4 fits smart-home edge nodes such as smart thermostats, door/window sensors, and low-end appliances. Its 32 KB flash comfortably holds ZigBee or Thread MAC/APS layers plus application code, and the 40 GPIO drive LED arrays, keypads, and relays. The low-power sleep modes enable multi-year battery operation for door/window contact sensors, while mains-powered smart thermostats use the full 48 MHz performance. The Cortex-M0+ core's deterministic interrupt latency ensures responsive user-interface handling.
おすすめ
Consumer Electronics Remote Control
The MKL15Z32VFT4 is ideal for consumer remote controls thanks to its low cost, ultra-low sleep current (extending battery life to multiple years), and integrated IR timer/PWM capable of generating 38 kHz carrier signals for IR transmission. The 32 KB flash holds application code and IR code libraries, while 4 KB SRAM is sufficient for button-debounce buffering. The 12-bit ADC supports battery-voltage monitoring via a simple voltage divider. The 7x7 mm QFN fits inside compact remote-control housings.
おすすめ
Electronic Shelf Label (ESL) Controller
The MKL15Z32VFT4 fits ESL base-station controllers or display-driver boards because of its low power consumption, 12-bit ADC for battery monitoring, and adequate GPIO to drive parallel display interfaces. Operating from 3V coin cells with sub-uA sleep currents, the device wakes periodically to update display content via sub-GHz radio. The 32 KB flash holds the wireless protocol stack and content-rendering logic, while the Cortex-M0+ core handles SPI display refresh with DMA offload for low CPU utilization.
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: MKL15Z32VFT4 — 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 | MKL15Z64VFT4 | MKL15Z128VFT4 | MKL16Z32VFT4 | MKL24Z32VFT4 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-QFN (7x7) EP | 48-QFN (7x7) EP - same | 48-QFN (7x7) EP - same | 48-QFN (7x7) EP - same | 48-QFN (7x7) EP - same |
| Flash Memory | 32 KB | 64 KB | 128 KB | 32 KB | 32 KB |
| SRAM | 4 KB | 4 KB | 16 KB | 4 KB | 4 KB |
| Core Clock | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| USB / Segment LCD | No | No | No | Yes (Segment LCD) | Yes (USB + LCD) |
主な差別化要因
- Lowest cost option within KL1x 48-QFN family （vs MKL15Z64VFT4)
- Lower power than KL2x USB-equipped siblings （vs MKL24Z32VFT4)
- Identical footprint as MKL15Z128VFT4 enables seamless memory upgrade （vs MKL15Z128VFT4)
設計ノート
Estimated: at VDD=3.3 V and Cortex-M0+ core active at 48 MHz, the MKL15Z32VFT4 draws approximately 6-8 mA active current; in VLLS0 sleep it drops below 1 uA. Designers should place a 4.7 uF decoupling capacitor close to VDD pin 42 and a 0.1 uF decoupling capacitor on each adjacent VDD/VSS pair. The internal voltage regulator (VOUT pin 43) requires a 2.2 uF external capacitor for stability. For coin-cell designs, configure the Low-Voltage Detect (LVD) to interrupt before the battery drops below 2.0 V to prevent flash corruption.
The QFN-48 package's exposed thermal pad (pin 49) MUST be soldered to a continuous ground plane for both electrical and thermal performance. Use a 5x5 array of thermal vias (0.3 mm drill, 0.5 mm pitch) connecting the EP to an inner ground plane. Keep high-speed traces away from the analog VREF/ADC pins, and route the XTAL/EXTAL traces symmetrically with ground shielding to minimize EMI. The 48-QFN (7x7) land pattern follows the standard QFN-48 JEITA recommendation with 0.5 mm pitch.
Do not leave the MKL15Z32VFT4 RESET pin floating - tie to VDD via a 10 kohm pull-up with a 100 nF decoupling capacitor for manual reset. Avoid using the SWD pins (PTA0/PTA1) as GPIO without disabling SWD in the FOPT register, or you will lose debug access. The 32 kHz crystal (XTAL32K/EXTAL32K) requires specific load capacitors per the crystal manufacturer's datasheet - typical values are 6-10 pF. Do not exceed the 3.6 V absolute maximum on any I/O pin, or latchup may occur.
コンプライアンス情報
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified - this is a general-purpose/consumer-grade MCU, not automotive grade. Lead-free and halogen-free per NXP product specifications.
