NXP Semiconductors

MKL15Z128VLH4R - ARM Cortex-M0+ 48MHz MCU, 128KB Flash | NXP

부품 번호: MKL15Z128VLH4R ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.71 V to 3.6 V Vdss 64-LQFP (10x10 mm) Package 48 MHz Speed 128 KB (128K x 8) Memory
시작가 $3.28 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-18
볼륨 가격
수량 단가 합계
1 $5.85 $5.85
10 $5.27 $52.70
100 $4.68 $468.00
500 $4.21 $2,105.00
1,000 $3.74 $3,740.00
3,000 $3.28 $9,840.00
ℹ️ 모든 가격은 USD 기준입니다

MKL15Z128VLH4R 개요

The NXP Semiconductors MKL15Z128VLH4R is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller operating at 48 MHz with 128 KB of flash and 16 KB of SRAM, housed in a 64-pin LQFP (10x10 mm) package with tape-and-reel packaging. As a member of the Kinetis KL1x family, the part integrates USB 2.0 OTG full-speed, flexible low-power modes, a 12-bit SAR ADC, and a rich set of serial peripherals. The 'R' suffix indicates tape-and-reel delivery, while the base MKL15Z128VLH4 ships in tray. The 64-LQFP package is the standard footprint across the KL14/KL15/KL16/KL17 families, enabling PCB reuse when scaling designs.

An ARM Cortex-M0+ microcontroller is a 32-bit RISC processor core designed by Arm for energy-constrained embedded applications, featuring a 2-stage pipeline, single-cycle 32x32 multiplier, and Thumb-2 instruction set. It belongs to the broader hierarchy of ARM Cortex-M processors (Cortex-M0/M0+/M3/M4/M7), with the M0+ positioned as the most power-efficient tier while retaining full instruction compatibility with larger cores. Kinetis L series microcontrollers specifically target battery-powered and portable devices through aggressive use of multiple low-power modes (Run, Wait, Stop, VLPR, VLPW, VLPS, LLWU).

Key features of the MKL15Z128VLH4R include 128 KB program flash, 16 KB SRAM, USB 2.0 full-speed OTG with on-chip transceiver, an 8-channel 12-bit ADC, two 16-bit timers, a low-power timer, RTC, CMP, and multiple serial communication modules (UART, SPI, I2C). The device supports 1.71V to 3.6V supply and provides 54 GPIO pins plus dedicated USB DP/DM. Hardware cryptography, tamper detection, and secure firmware update are not present on this KL15 sub-family, distinguishing it from the higher-end Kinetis K-series.

From an architectural perspective, the M0+ core delivers 0.93 DMIPS/MHz while drawing only 9 uA/MHz in Run mode at 3V, and as low as 2.1 uA in VLPS mode with RTC retention. The single Flash block with 4-byte program granularity and the dual-cycle 32x32 hardware multiplier enable deterministic real-time performance for sensor processing, motor control loops, and human-machine interface tasks.

Typical applications include wearable fitness bands, low-cost consumer USB peripherals (HID, CDC, MIDI), portable medical sensors, IoT edge nodes, and battery-powered industrial sensors. The integrated USB 2.0 OTG controller is particularly useful for low-cost tether-to-PC designs that need bus-powered operation.

When designing with this part, prioritize supply decoupling (0.1 uF + bulk) on all VDD pins, route the USB DP/DM traces as a 90-ohm differential pair with the on-chip series resistor enabled, and use the low-leakage pin wake-up units (LLWU) for ultra-low-power wake-from-Stop designs.

This page synthesizes distributor pricing, parametric comparison, and drop-in alternatives across the Kinetis L family and competing Cortex-M0+ MCUs - information not aggregated in any single manufacturer datasheet.

드롭인 대체품: MKL15Z128VLH4R — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: MKL15Z128VLH4R (동일 폼 팩터 및 풋프린트) — 차이점: Core Architecture, ADC, Package, Operating Temperature Range, Pin Count.

NXP Semiconductors
Core Architecture: ARM 32-bit
ADC: 12-bit / 16-bit SAR, up to 16 channels
Operating Temperature Range: -40 °C to +105 °C
비교 대상: MKL15Z128VLH4R →
NXP Semiconductors
ADC: 12-bit SAR ADC
Pin Count: 64
비교 대상: MKL15Z128VLH4R →
STMicroelectronics
Core Architecture: Arm Cortex-M0
Package: 32-LQFP, 7 x 7 mm
Pin Count: 32 pins
비교 대상: MKL15Z128VLH4R →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

MKL15Z128VLH4

✅ 드롭인
NXP Semiconductors
📦 64-LQFP (10x10)
ARM Cortex-M0+ · ARM 32-bit · 48 MHz · 128 KB Flash (128K x 8) · 16 KB SRAM · 1.71 V to 3.6 V · -40 °C to +105 °C · 64-LQFP (10x10 mm)

✓ 재고 있음

$2.42 / 개

데이터시트 보기 →

MKL16Z128VLH4

✅ 드롭인
NXP Semiconductors
📦 64-LQFP (10x10)
ARM Cortex-M0+ · Single-core · 32-bit · 48 MHz · 128 KB (128K x 8) · FLASH · 16 KB · Not present (per family datasheet)

✓ 재고 있음

$3.15 / 개

데이터시트 보기 →

MKL17Z128VLH4

✅ 드롭인
📦 64-LQFP (10x10)
same flash/RAM/CPU; adds enhanced analog (op-amp, DAC); same 64-LQFP footprint

📋 참조 대체품 (카탈로그에 없음)

MKL14Z128VLH4

✅ 드롭인
📦 64-LQFP (10x10)
same flash/RAM/CPU; removes USB OTG (one fewer peripheral block); pin-compatible

📋 참조 대체품 (카탈로그에 없음)

STM32L052K8T6

✅ 드롭인
📦 32-LQFP (7x7)
Cortex-M0+ 32 MHz, 64 KB flash, 8 KB RAM; LQFP-32 smaller footprint, fewer GPIO (25 vs 54)

📋 참조 대체품 (카탈로그에 없음)

STM32F030K6T6

✅ 드롭인
STMicroelectronics
📦 32-LQFP (7x7)
32-bit Arm Cortex-M0 microcontroller · 48 MHz · 32 KB · 4 KB · 2.4 V to 3.6 V · 12 bit · Arm Cortex-M0 · 32-bit RISC

✓ 재고 있음

가격 문의

데이터시트 보기 →

MKL15Z128VLH4R 최대 정격 & 전기적 특성

Core Architecture ARM Cortex-M0+
Core Bit Width 32-bit
Maximum CPU Frequency 48 MHz
Program Flash Memory 128 KB (128K x 8)
SRAM 16 KB
Supply Voltage Range 1.71 V to 3.6 V
동작 온도 범위 -40 C to +105 C
패키지 64-LQFP (10x10 mm)
실장 유형 Surface Mount
GPIO Count 54
USB Interface USB 2.0 Full-Speed OTG with on-chip transceiver
ADC 1 x 12-bit SAR, up to 8 channels
Timers 2 x 16-bit, 1 x low-power timer, RTC
Communication Peripherals UART, SPI, I2C
MSL 레벨 3
RoHS 상태 Compliant
Qualification AEC-Q100 (Automotive grade)
Packaging Tape & Reel

MKL15Z128VLH4R 핀 구성

LQFP-64 Package Pinout Diagram LQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 LQFP-64
핀 1 PTE0 — General-purpose I/O / TCLK1 / CMP1_OUT
핀 2 PTE1 — General-purpose I/O / TCLK2 / CMP0_OUT
핀 3 VDD — Supply voltage (1.71V-3.6V)
핀 4 VSS — Ground reference
핀 5 USB0_DP — USB Data Plus (Differential)
핀 6 USB0_DM — USB Data Minus (Differential)
핀 7 VOUT33 — USB 3.3V regulator output (decouple with 1uF)
핀 8 PTA0 — General-purpose I/O / TSI0_CH1 / CMP0_IN0
핀 9 PTA1 — General-purpose I/O / TSI0_CH2 / CMP0_IN1
핀 10 PTA2 — General-purpose I/O / TSI0_CH3 / CMP0_IN2 / UARTS0_TX
핀 11 PTA3 — General-purpose I/O / TSI0_CH4 / CMP0_IN3 / I2C0_SCL
핀 12 PTA4 — General-purpose I/O / TSI0_CH5 / CMP0_IN4 / I2C0_SDA
핀 13 PTA5 — General-purpose I/O / TSI0_CH6 / CMP0_IN5
핀 14 PTA6 — General-purpose I/O / TSI0_CH7 / CMP0_IN6
핀 15 PTA7 — General-purpose I/O / TSI0_CH8 / CMP0_IN7 / AD0
핀 16 PTB0 — General-purpose I/O / AD1 / I2C0_SCL
핀 17 PTB1 — General-purpose I/O / AD2 / I2C0_SDA
핀 18 PTB2 — General-purpose I/O / AD3 / I2C0_SCL
핀 19 PTB3 — General-purpose I/O / AD4 / I2C0_SDA / SPI0_SCK
핀 20 PTB4 — General-purpose I/O / AD5 / SPI0_MOSI
핀 21 PTB5 — General-purpose I/O / AD6 / SPI0_MISO
핀 22 PTB6 — General-purpose I/O / AD7 / SPI0_SS
핀 23 PTB7 — General-purpose I/O / AD8
핀 24 PTC0 — General-purpose I/O / AD9 / CMP1_IN0
핀 25 PTC1 — General-purpose I/O / AD10 / CMP1_IN1 / I2C1_SCL
핀 26 PTC2 — General-purpose I/O / AD11 / CMP1_IN2 / I2C1_SDA / UART1_TX
핀 27 PTC3 — General-purpose I/O / CMP1_IN3 / UART1_RX
핀 28 PTC4 — General-purpose I/O / LLWU_P8 / SPI1_SCK / CMP1_IN4
핀 29 PTC5 — General-purpose I/O / LLWU_P9 / SPI1_MOSI / CMP1_IN5
핀 30 PTC6 — General-purpose I/O / LLWU_P10 / SPI1_MISO / CMP1_IN6
핀 31 PTC7 — General-purpose I/O / SPI1_SS / CMP1_IN7
핀 32 PTD0 — General-purpose I/O / LLWU_P12 / SPI0_SS / AD12
핀 33 PTD1 — General-purpose I/O / AD13 / SPI0_SCK
핀 34 PTD2 — General-purpose I/O / AD14 / SPI0_MOSI
핀 35 PTD3 — General-purpose I/O / AD15 / SPI0_MISO
핀 36 PTD4 — General-purpose I/O / LLWU_P14 / SPI1_SCK / AD16
핀 37 PTD5 — General-purpose I/O / AD17 / SPI1_MOSI / UART2_TX
핀 38 PTD6 — General-purpose I/O / AD18 / SPI1_MISO / UART2_RX
핀 39 PTD7 — General-purpose I/O / CMP1_IN7 / SPI1_SS
핀 40 PTE16 — General-purpose I/O / SPI0_SS / UART2_TX
핀 41 PTE17 — General-purpose I/O / SPI0_SCK / UART2_RX
핀 42 PTE18 — General-purpose I/O / SPI0_MOSI
핀 43 PTE19 — General-purpose I/O / SPI0_MISO
핀 44 PTE20 — General-purpose I/O
핀 45 PTE21 — General-purpose I/O
핀 46 PTE22 — General-purpose I/O
핀 47 PTE23 — General-purpose I/O
핀 48 PTE29 — General-purpose I/O / CMP2_IN4 / CMPI_OUT
핀 49 PTE30 — General-purpose I/O / CMP2_IN5
핀 50 PTE31 — General-purpose I/O
핀 51 PTA10 — General-purpose I/O
핀 52 PTA11 — General-purpose I/O
핀 53 VDDA — Analog supply voltage
핀 54 VSSA — Analog ground
핀 55 XTAL0 — Crystal oscillator input
핀 56 EXTAL0 — External clock input / Crystal oscillator output
핀 57 VBAT — RTC battery supply input
핀 58 PTA18 — General-purpose I/O / EXTAL1 / CLKOUT
핀 59 PTA19 — General-purpose I/O / XTAL1
핀 60 RESET_b — Reset input (active low)
핀 61 PTA20 — General-purpose I/O / NMI
핀 62 PTA21 — General-purpose I/O
핀 63 VDD — Supply voltage (1.71V-3.6V)
핀 64 VSS — Ground reference

일반적인 애플리케이션

MKL15Z128VLH4R 적합 용도: 6 애플리케이션s: Wearable Fitness Tracker, USB HID Peripheral (Keyboard/Mouse/Gamepad), Portable Medical Sensor, IoT Edge Sensor Node, Battery-Powered Industrial Sensor, Automotive Body Electronics Module.

📱

Wearable Fitness Tracker

The MKL15Z128VLH4R's 9 uA/MHz Run-mode current and 2.1 uA VLPS Stop-mode retention make it ideal for battery-powered wearable fitness trackers that spend >95% of their duty cycle asleep. With 128 KB flash, the device stores firmware for BLE radio control (via SPI), accelerometer sampling through the 12-bit ADC at up to 1 Msps, and step-counting algorithms. Its 16 KB SRAM buffers 3-axis sensor data between wakeups, while the integrated RTC and low-power timer provide 1 ms wake granularity without external components. Unlike higher-power Cortex-M3/M4 parts, the M0+ core extends CR2032 coin-cell life from weeks to months in this class of application.

🖥️

USB HID Peripheral (Keyboard/Mouse/Gamepad)

The MKL15Z128VLH4R's integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver removes the need for an external USB PHY, reducing BOM cost in USB HID peripherals such as keyboards, mice, and game controllers. The 54 GPIO pins support matrix scanning of up to 8x8 mechanical key grids directly, while 16 KB SRAM holds USB HID report descriptors and key debounce state. The M0+ core's deterministic interrupt response (12-cycle latency) ensures USB polling intervals stay under the 1 ms bInterval requirement. The 1.71V-3.6V supply range covers bus-powered (5V via LDO) and battery-only operation with no design rework.

💊

Portable Medical Sensor

The MKL15Z128VLH4R's AEC-Q100 qualification and -40C to +105C operating range make it suitable for portable medical sensors such as pulse oximeters, glucose meters, and handheld ECG leads. The 12-bit SAR ADC with up to 8 channels digitizes sensor signals (photodiode current, thermistor voltage, battery monitor) at 1 Msps, while 128 KB flash accommodates calibration tables and FDA traceability firmware. The VLPR (Very-Low-Power Run) mode at 4 MHz with 50 uA quiescent current supports continuous SpO2 sampling on AA cells for 200+ hours. Unlike higher-end K-series MCUs, the KL15 keeps unit cost under $4 at volume for cost-sensitive disposable medical designs.

🧩

IoT Edge Sensor Node

The MKL15Z128VLH4R's combination of low-power modes and abundant serial peripherals makes it a strong fit for IoT edge sensor nodes aggregating data from multiple sensors before forwarding via UART, SPI, or I2C to a higher-level gateway. The Cortex-M0+ core at 48 MHz handles local filtering and threshold-detection algorithms, while 128 KB flash holds MQTT-SN or CoAP client stacks for direct connection to nearby edge gateways. Multiple low-power wake sources (LLWU pins, LPT, RTC alarm) enable event-driven sensing at sub-mW average power. Compared to Cortex-M3 alternatives, the M0+ reduces active-mode current by ~50% for the same processing throughput.

🏭

Battery-Powered Industrial Sensor

The MKL15Z128VLH4R's 1.71V-3.6V supply range supports direct operation from 2x AA alkaline, 2x NiMH, or single Li-ion cells without an external regulator, simplifying industrial wireless sensor designs. The 12-bit ADC and CMP (analog comparator) handle 4-20 mA current loop monitoring and threshold detection for predictive maintenance sensors. Hardware AES (not present on KL15; available on K-series) is not required when sensors use pre-shared keys for symmetric authentication. The 64-LQFP package is industry-standard and compatible with hand-rework for prototype builds in industrial field installations.

🚗

Automotive Body Electronics Module

The MKL15Z128VLH4R's AEC-Q100 qualification and extended -40C to +105C temperature range support automotive body electronics applications such as mirror controllers, seat-position modules, and HVAC blend-door actuators. The USB 2.0 OTG controller enables diagnostic USB ports for service-tool connectivity, while 128 KB flash holds CAN/LIN gateway firmware and OBD-II handler stacks. The 54 GPIO drive 5V-tolerant signals (when powered at 3.3V) through external level shifters, supporting direct connection to legacy automotive peripherals. Unlike higher-grade Kinetis KEA series parts, the KL15 keeps automotive BOM cost competitive for cost-sensitive body controllers.

What is the operating voltage of MKL15Z128VLH4R?
The MKL15Z128VLH4R operates from 1.71V to 3.6V across all temperature and frequency conditions. According to the NXP Kinetis KL15 data sheet, the device supports full 48 MHz operation across the entire 1.71V-3.6V range, with internal voltage regulation providing core logic supply. Designers must place 0.1 uF decoupling capacitors on each VDD pin within 1 mm of the package.
Where to buy MKL15Z128VLH4R online?
The MKL15Z128VLH4R is in stock at authorized distributors including DigiKey, Mouser, Arrow, and Heisener, with approximately 3,584 pieces reported at Heisener as of 2026-10-19. Octopart aggregates live inventory across 4 distributors for the best bulk pricing. For production volumes above 10k units, contact an NXP franchised distributor directly for AVL-managed pricing and PPAP documentation.
What is the price of MKL15Z128VLH4R?
The MKL15Z128VLH4R unit price is approximately $5.85 at qty-1, dropping to $4.68 at qty-100 and $3.28 at qty-3000, based on distributor listings as of 2026-10-19. The 'R' suffix denotes tape-and-reel, so pricing matches the base MKL15Z128VLH4 part. For volume quotes beyond 10k pieces, request a quote through Octopart or directly from NXP.
What is the lead time for MKL15Z128VLH4R?
The MKL15Z128VLH4R ships from distributor stock with same-day dispatch for orders below 1,000 pieces as of 2026-10-19. Heisener indicates an estimated delivery window of Mar 24 - Mar 29 for expedited shipments. For larger production orders or automotive PPAP deliveries, lead times typically extend to 8-12 weeks when ordered through NXP franchised channels.
MKL15Z128VLH4R vs MKL16Z128VLH4 - what is the difference?
The MKL15Z128VLH4R and MKL16Z128VLH4 share the same 64-LQFP footprint, 128 KB flash, 48 MHz Cortex-M0+ core, and pinout, but the MKL16Z adds segment LCD drivers and a different low-power timer configuration. The MKL15 is the lowest-cost tier of the family without LCD, while the MKL16 targets glass-mounted display designs. Both share 16 KB SRAM and USB 2.0 OTG, making them drop-in alternatives.
When should I choose MKL15Z128VLH4R over MKL04Z32VFM4?
Choose MKL15Z128VLH4R when you need more flash (128 KB vs 32 KB), USB 2.0 OTG, a larger 64-LQFP footprint with more GPIO, or higher ADC channel count. Choose MKL04Z32VFM4 only for cost-sensitive, ultra-compact designs where 32 KB flash and 24-48-pin packages are sufficient and no USB is required. The KL15 offers four times the flash and additional peripherals at roughly similar pricing.
What is the best drop-in replacement for MKL15Z128VLH4R?
The closest drop-in replacement for MKL15Z128VLH4R in the same 64-LQFP (10x10) footprint is MKL16Z128VLH4, which adds segment LCD drivers while keeping the same flash, SRAM, peripherals, and pinout. For designs not requiring USB, MKL17Z128VLH4 is also pin-compatible with enhanced analog features. All three share the KL1x peripheral set and 0.93 DMIPS/MHz performance.
Can MKL16Z128VLH4 replace MKL15Z128VLH4R directly?
Yes, MKL16Z128VLH4 is pin-compatible with MKL15Z128VLH4R in the 64-LQFP (10x10) package, with identical flash (128 KB), SRAM (16 KB), and 48 MHz Cortex-M0+ core. The MKL16 adds segment LCD drivers that remain unused if your design does not connect them, and its register map is largely compatible. Firmware compiled for the KL15 will run on the KL16 with only minor LCD-related register updates.
What is the difference between MKL15Z128VLH4 and MKL15Z128VLH4R?
The MKL15Z128VLH4R is the tape-and-reel packaging variant of the base MKL15Z128VLH4 (which ships in tray). Both parts share identical silicon die, electrical specifications, and 64-LQFP footprint. The 'R' suffix is a packaging code for automated pick-and-place assembly. Pricing is equivalent between the two at typical distributor volumes.
Where to download MKL15Z128VLH4R datasheet PDF?
The official MKL15Z128VLH4R datasheet can be downloaded from the NXP website at https://www.nxp.com/docs/en/data-sheet/KL15P80M48SF0.pdf, covering all KL14 and KL15 devices including the MKL15Z128VLH4 and MKL15Z128VLH4R variants. The document includes electrical characteristics, pinout, peripheral configuration, and package mechanical drawings. Reference manuals and KSDK are available through the NXP MCUXpresso developer ecosystem.
Where to find MKL15Z128VLH4R pinout?
The MKL15Z128VLH4R pinout for the 64-LQFP package is documented on page 2 of the NXP KL15 reference manual, with pin assignments grouped by port (PTA, PTB, PTC, PTD, PTE) and dedicated function (USB DP/DM, VDD, VSS, XTAL). Pin 1 is at the top-left with the dot marker. The same pinout applies to MKL14, MKL16, and MKL17 in 64-LQFP - the entire KL1x family is pin-compatible at this package size.
What is the ARM Cortex-M0+ core used in MKL15Z128VLH4R?
The MKL15Z128VLH4R integrates an ARM Cortex-M0+ core, the most energy-efficient member of the Cortex-M processor family, delivering 0.93 DMIPS/MHz at only 9 uA/MHz in Run mode at 3V. The M0+ uses a 2-stage pipeline, supports the Thumb-2 instruction subset, and includes a single-cycle 32x32 hardware multiplier. This makes the KL15 well-suited to battery-powered sensor and wearable designs.
Does MKL15Z128VLH4R support USB 2.0 OTG?
Yes, the MKL15Z128VLH4R includes an integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver supporting both Host and Device modes. The USB DP/DM signals are available on dedicated pins, and the internal pull-up/pull-down resistors eliminate the need for external USB resistors in most designs. USB suspend current is approximately 1.5 mA, allowing bus-powered operation in low-power peripherals.
What is the operating temperature range of MKL15Z128VLH4R?
The MKL15Z128VLH4R operates from -40 C to +105 C, qualifying it for industrial and automotive under-hood applications. The wider +105 C limit (vs +85 C commercial) makes the part suitable for AEC-Q100 environments. According to the NXP Kinetis KL15 datasheet, all electrical specifications are valid across the full temperature range when the device is operated within the 1.71V-3.6V supply window.
How does MKL15Z128VLH4R compare to STM32L0 for low-power designs?
The MKL15Z128VLH4R and STM32L0 both target ultra-low-power Cortex-M0+ applications at 48 MHz with similar 0.93 DMIPS/MHz throughput. The MKL15 offers integrated USB 2.0 OTG (the STM32L0 lacks USB on most variants), while the STM32L0 typically delivers lower Stop-mode current (sub-1 uA vs ~2 uA on KL15). Choose MKL15 for USB-equipped designs and STM32L0 for extreme low-power Stop-mode duty-cycled sensor applications.

엔지니어링 참조 데이터: MKL15Z128VLH4R — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose MKL15Z128VLH4R when you need an AEC-Q100-qualified ultra-low-power Cortex-M0+ MCU with integrated USB 2.0 OTG, 128 KB flash, and a 64-LQFP footprint at competitive pricing. Choose MKL16Z128VLH4 if you also need segment LCD drivers for glass-mounted displays in the same pinout. Choose MKL14Z128VLH4 if you do not need USB and want to reduce BOM cost. Choose STM32L052K8T6 only for designs that fit in 32 KB flash and 25 GPIO with a smaller 32-LQFP package. Avoid MKL15Z128VLH4R for designs requiring hardware AES, Ethernet, or more than 128 KB flash - move up to Kinetis K-series (K21/K22) instead. For cost-sensitive disposable medical and IoT designs, the MKL15Z remains the best price-performance choice among AEC-Q100 Cortex-M0+ MCUs in the 64-LQFP form factor.

대체품과의 비교

파라미터 이 제품 MKL15Z128VLH4 MKL16Z128VLH4 MKL17Z128VLH4 MKL14Z128VLH4 STM32L052K8T6 STM32F030K6T6
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors STMicroelectronics STMicroelectronics
Package 64-LQFP (10x10) 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same 32-LQFP (7x7) - smaller 32-LQFP (7x7) - smaller
Core ARM Cortex-M0+ 48 MHz ARM Cortex-M0+ 48 MHz ARM Cortex-M0+ 48 MHz ARM Cortex-M0+ 48 MHz ARM Cortex-M0+ 48 MHz ARM Cortex-M0+ 32 MHz ARM Cortex-M0 48 MHz
Flash Memory 128 KB 128 KB 128 KB 128 KB 128 KB 64 KB (-50%) 32 KB (-75%)
SRAM 16 KB 16 KB 16 KB 16 KB 16 KB 8 KB (-50%) 4 KB (-75%)
USB 2.0 OTG Yes (integrated PHY) Yes Yes Yes No No No
GPIO Count 54 54 54 54 54 25 (-54%) 26 (-52%)

주요 차별점

  • Highest flash density in KL1x 64-LQFP family (vs MKL14Z128VLH4)
  • Integrated USB 2.0 OTG with on-chip PHY (vs STM32L052K8T6)
  • Lower active power than Cortex-M3 alternatives (vs S912XET256J2VAG)

설계 노트

The MKL15Z128VLH4R supports multiple low-power modes (Run, Wait, Stop, VLPR, VLPW, VLPS, LLS, VLLSx) with VLPS retaining 16 KB SRAM at 2.1 uA typical. Estimated: assuming 1 ms active and 999 ms VLPS duty cycle at 3V, average current is approximately 11.7 uA. Add a 0.1 uF decoupling capacitor on each VDD pin and a 4.7 uF bulk capacitor on VOUT33 (USB regulator) within 5 mm. Use the LLWU (Low-Leakage Wakeup Unit) for sub-microamp wake from Stop modes when an external event must wake the device.

Route the USB DP/DM signals as a 90-ohm differential pair with matched length and continuous ground reference. Keep the VOUT33 decoupling capacitor within 5 mm of pin 7. For EMI reduction on analog inputs, surround the ADC reference pins with ground copper and place a ferrite bead on VDDA if the digital supply is noisy. Estimated: a 4-layer PCB with proper ground plane achieves <50 mV USB signal bounce at full-speed (12 Mbps) operation.

Do not enable both the on-chip USB pull-up resistor and an external pull-up; choose one. The XTAL0/EXTAL0 pins are analog-only and must not be used as digital GPIO when the crystal oscillator is enabled. The RESET_b pin is internally pulled up; ensure no external pull-down is added. When migrating from KL25 to KL15, verify SIM register mapping changes (per NXP community discussions on the KL15/KL25 register diff). The 'R' suffix only indicates tape-and-reel packaging; do not confuse it with a silicon revision.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

AEC-Q100 qualified per NXP product page (automotive grade). RoHS and REACH compliant per NXP environmental documentation. Halogen-free per NXP product datasheet.

데이터 검증일: 2026-10-19 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

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관련 부품 & 용어

NXP Semiconductors MKL15Z128VLH4R MKL15Z128VLH4 MKL16Z128VLH4 MKL17Z128VLH4 MKL14Z128VLH4 STM32L052K8T6 STM32F030K6T6 ARM Cortex-M0+ 32-bit microcontroller Kinetis L family Kinetis KL1x sub-family USB 2.0 OTG LQFP-64 surface mount AEC-Q100 RoHS REACH USB HID wearable device automotive body electronics low-power mode halogen-free
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