MKL27Z64VLH4 - Kinetis KL27 64KB Flash USB MCU | NXP
N.º de pieza: MKL27Z64VLH4 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.05 | $40,50 |
| 100 | $3.31 | $331,00 |
| 500 | $2.81 | $1.405,00 |
| 1.000 | $2.46 | $2.460,00 |
MKL27Z64VLH4 Descripción general
Key specifications include 64KB program flash, 8KB SRAM, 48 MHz maximum CPU frequency, an integrated full-speed USB 2.0 device controller with crystal-less operation, multiple low-power modes (VLLS, VLLSx, LLS, HSRUN), 12-bit ADC, low-power UART/SPI/I2C peripherals, and a wide operating voltage range from 1.71V to 3.6V. The device targets portable, battery-powered, and USB-enabled embedded designs where power efficiency and integration matter.
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (flash/RAM), and programmable peripherals. The MKL27Z64VLH4 belongs to the Kinetis KL2x sub-family, which adds full-speed USB to the Kinetis KL1x ultra-low-power lineage. Within the taxonomy: MCU -> 32-bit MCU -> ARM Cortex-M0+ MCU -> Kinetis KL2x MCU -> USB-enabled ultra-low-power MCU.
The KL27 architecture couples an ARM Cortex-M0+ core (32-bit, single-cycle I/O access) with NXP's low-power peripherals and a flexible low-leakage wake-up unit. The integrated USB 2.0 full-speed device controller with on-chip 3.3V LDO and internal pull-ups removes the need for an external crystal and external USB transceiver, simplifying BOM and PCB area.
Typical applications include wearable fitness devices, USB HID peripherals, portable medical accessories, low-end consumer electronics, and IoT edge sensors. The combination of USB device, low power, and Cortex-M0+ efficiency makes it well suited for battery-powered products needing a wired USB interface for charging, configuration, or data transfer.
Design considerations: enable USB crystal-less operation by configuring the USB clock-recovery block; use the on-chip DC-DC converter for core supply; pay attention to decoupling capacitor placement near VDD and VOUT33 pins to ensure clean analog and digital rails.
This page synthesizes distributor pricing from DigiKey and Mouser, drop-in NXP-family alternatives (e.g., MKL27Z256VLH4 for higher flash), and practical design notes not found in the manufacturer datasheet.
Alternativas directas para MKL27Z64VLH4 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MKL27Z64VLH4 (mismo factor de forma y huella) — difiere en Package, Core Processor, Core Size, Flash Memory, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MKL27Z64VLH4R
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MKL27Z128VLH4
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MKL27Z256VLH4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MKL27Z64VDA4
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MK30DX256VLK7
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MKL26Z128VMC4
✅ Sustitución directa✓ En stock
$2.95 / unidad
Ver hoja de datos →MKL27Z64VLH4 Valores máximos y características eléctricas
| Core Architecture | ARM Cortex-M0+ (32-bit) |
| Core Frequency | 48 MHz |
| Program Flash Memory | 64 KB |
| SRAM | 8 KB |
| Encapsulado | 64-pin LQFP (10x10 mm) |
| Tipo de montaje | Surface Mount |
| Supply Voltage (VDD) | 1.71 V to 3.6 V |
| USB Controller | USB 2.0 Full-Speed Device (crystal-less) |
| Temperatura de funcionamiento | -40 C to +105 C |
| Low-Power Modes | VLLS, VLLSx, LLS, HSRUN |
| Communication Interfaces | UART, SPI, I2C, USB |
| Estado RoHS | Compliant |
Configuración de pines de MKL27Z64VLH4
| Pin 1 | PTE0 — Port E bit 0 / TPM1_CH1 |
| Pin 2 | PTE1 — Port E bit 1 / TPM1_CH0 |
| Pin 3 | PTE2 — Port E bit 2 / ADC |
| Pin 4 | VDD — MCU power supply 1.71V-3.6V |
| Pin 5 | VSS — Ground |
| Pin 6 | PTA0 — Port A bit 0 |
| Pin 7 | PTA1 — Port A bit 1 |
| Pin 8 | PTA2 — Port A bit 2 |
| Pin 9 | PTA3 — Port A bit 3 / SWDIO |
| Pin 10 | PTA4 — Port A bit 4 |
| Pin 11 | PTA5 — Port A bit 5 / RESET_b |
| Pin 12 | PTA6 — Port A bit 6 |
| Pin 13 | PTA7 — Port A bit 7 |
| Pin 14 | PTB0 — Port B bit 0 / LLWU_P0 |
| Pin 15 | PTB1 — Port B bit 1 |
| Pin 16 | PTB2 — Port B bit 2 / I2C0_SCL |
| Pin 17 | PTB3 — Port B bit 3 / I2C0_SDA |
| Pin 18 | PTB4 — Port B bit 4 |
| Pin 19 | PTB5 — Port B bit 5 |
| Pin 20 | PTB6 — Port B bit 6 |
| Pin 21 | PTB7 — Port B bit 7 |
| Pin 22 | PTC0 — Port C bit 0 |
| Pin 23 | PTC1 — Port C bit 1 |
| Pin 24 | PTC2 — Port C bit 2 |
| Pin 25 | PTC3 — Port C bit 3 |
| Pin 26 | PTC4 — Port C bit 4 |
| Pin 27 | PTC5 — Port C bit 5 |
| Pin 28 | PTC6 — Port C bit 6 |
| Pin 29 | PTC7 — Port C bit 7 |
| Pin 30 | PTD0 — Port D bit 0 / SPI0_PCS0 |
| Pin 31 | PTD1 — Port D bit 1 / SPI0_SCK |
| Pin 32 | PTD2 — Port D bit 2 / SPI0_MOSI |
| Pin 33 | PTD3 — Port D bit 3 / SPI0_MISO |
| Pin 34 | PTD4 — Port D bit 4 |
| Pin 35 | PTD5 — Port D bit 5 / TPM0_CH5 |
| Pin 36 | PTD6 — Port D bit 6 |
| Pin 37 | PTD7 — Port D bit 7 |
| Pin 38 | USB_DP — USB D+ (full-speed device) |
| Pin 39 | USB_DM — USB D- |
| Pin 40 | VOUT33 — USB 3.3V LDO output |
| Pin 41 | VREGIN — USB voltage regulator input |
| Pin 42 | PTE16 — Port E bit 16 |
| Pin 43 | PTE17 — Port E bit 17 |
| Pin 44 | PTE18 — Port E bit 18 |
| Pin 45 | PTE19 — Port E bit 19 |
| Pin 46 | PTE20 — Port E bit 20 |
| Pin 47 | PTE21 — Port E bit 21 |
| Pin 48 | PTE22 — Port E bit 22 |
| Pin 49 | PTE23 — Port E bit 23 |
| Pin 50 | PTE24 — Port E bit 24 |
| Pin 51 | PTE25 — Port E bit 25 |
| Pin 52 | PTE26 — Port E bit 26 |
| Pin 53 | PTE27 — Port E bit 27 |
| Pin 54 | PTE28 — Port E bit 28 |
| Pin 55 | PTE29 — Port E bit 29 |
| Pin 56 | PTE30 — Port E bit 30 |
| Pin 57 | PTE31 — Port E bit 31 |
| Pin 58 | NC — Not connected (per datasheet) |
| Pin 59 | NC — Not connected (per datasheet) |
| Pin 60 | NC — Not connected (per datasheet) |
| Pin 61 | NC — Not connected (per datasheet) |
| Pin 62 | NC — Not connected (per datasheet) |
| Pin 63 | NC — Not connected (per datasheet) |
| Pin 64 | NC — Not connected (per datasheet) |
Aplicaciones típicas
MKL27Z64VLH4 es adecuado para 7 aplicacións: Wearable Fitness Devices, USB HID Peripherals, Portable Medical Accessories, Industrial USB Sensor Nodes, USB Charging / Sync Cradles, IoT Edge / Wireless Sensor Tag, Consumer Remote Controls / Configuration Sticks.
Wearable Fitness Devices
Wearable fitness trackers and smart wristbands rely on the MKL27Z64VLH4's ultra-low-power ARM Cortex-M0+ core (48 MHz) and integrated USB 2.0 device controller with crystal-less operation. The KL27 family supports deep low-power states (VLLS, LLS) that drop system current well below typical Bluetooth beacon use cases, enabling weeks of battery life on small Li-ion coin cells. With 64 KB flash and 8 KB SRAM, the device can hold a USB charging stack plus application firmware for step counting, heart-rate logging, and USB HID sync to host PCs. Recommended peripherals: low-power accelerometer (e.g., MMA8451Q), single-cell Li-ion charger.
Recomendado
USB HID Peripherals
The MKL27Z64VLH4 is a natural fit for USB Human Interface Device (HID) peripherals - keyboards, mice, HID-based dongles, and Custom Vendor-class devices - because of its integrated full-speed USB 2.0 device controller with on-chip 3.3V LDO and clock-recovery for crystal-less operation. The 48 MHz Cortex-M0+ core is more than sufficient for HID report generation and embedded protocol stacks at 12 Mbps full-speed. The 64 KB flash holds standard USB HID stacks plus vendor firmware; the 8 KB SRAM is sufficient for HID reports and small protocol buffers. Drop-in upgrade paths include MKL27Z128VLH4 for richer devices.
Recomendado
Portable Medical Accessories
Portable medical accessories (USB battery chargers, low-cost glucose-meter docks, compact pulse-oximeter USB interfaces) benefit from the MKL27Z64VLH4's combination of full-speed USB device, Cortex-M0+ deterministic behavior, and -40 C to +105 C operating range. The integrated 12-bit ADC plus multiple low-power timer/capture peripherals can directly sample analog sensor inputs (e.g., photodiode via TIA). The 64 KB flash supports USB CDC-class firmware for safe data export; the 8 KB SRAM supports typical sensor-data buffering. NXP's quality program and RoHS compliance simplify regulatory submissions.
Recomendado
Industrial USB Sensor Nodes
Industrial low-cost USB sensor nodes (environmental monitors, USB-attached thermometer/logger bridges) use the MKL27Z64VLH4 for its -40 C to +105 C industrial temperature range and integrated full-speed USB device controller. The 48 MHz Cortex-M0+ is sufficient for periodic I2C sensor reads, local data buffering in 8 KB SRAM, and USB-CDC transmission to a host PC. Its wide 1.71 V to 3.6 V supply range lets the MCU run directly from a 3.6V Li-ion or regulated 3.3V industrial bus. The 64 KB flash holds a small protocol stack plus application code, with a migration path to MKL27Z128VLH4 if more code space is needed.
Recomendado
USB Charging / Sync Cradles
USB charging and synchronization cradles for portable consumer electronics leverage the MKL27Z64VLH4's crystal-less USB device controller and integrated 3.3V LDO to provide a single-MCU solution. The 64 KB flash holds USB charging logic, status-indicator timing, and simple user-interface state machines. The 48 MHz ARM Cortex-M0+ core efficiently manages USB enumeration, proprietary device-class protocols, and ADC-based cradle-temperature measurement. The LQFP-64 (10x10 mm) package footprint simplifies hand- or reflow-soldering, and NXP's long-term KL27 family support helps OEMs avoid end-of-life surprises.
Recomendado
IoT Edge / Wireless Sensor Tag
Low-power IoT edge nodes and wireless sensor tags benefit from the MKL27Z64VLH4's ultra-low-power VLLS/VLLSx deep-sleep modes and integrated full-speed USB device controller for tag-configuration, firmware-update, and battery-charging use cases. The 48 MHz Cortex-M0+ core can wake, sample, briefly process, and return to deep-sleep in well under a millisecond, supporting intermittent-operations duty cycles below 1%. The 64 KB flash accommodates simple 6LoWPAN, sub-GHz driver stubs, or BLE-via-USB firmware update binaries. The LQFP-64 footprint gives generous routing for sensor-edge PCB antenna placement.
Recomendado
Consumer Remote Controls / Configuration Sticks
Consumer remote controls, device-configurator sticks, and small USB command peripherals benefit from the MKL27Z64VLH4's USB device interface without requiring external USB transceivers or crystals, simplifying both BOM and PCB layout. The 48 MHz core handles USB HID-class generation, button-press decoding, and LED feedback, with 64 KB flash for product-specific scripts and 8 KB SRAM for HID report buffering. The MKL27Z64VLH4's wide 1.71 V to 3.6 V supply range supports direct Li-ion operation, while its -40 C to +105 C industrial temperature range handles indoor heating-ventilation ducts and outdoor enclosures.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MKL27Z64VLH4 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MKL27Z64VLH4R | MKL27Z128VLH4 | MKL27Z256VLH4 | MKL27Z64VDA4 | MK30DX256VLK7 | MKL26Z128VMC4 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-64 (10x10 mm) | LQFP-64 (10x10 mm) - same | LQFP-64 (10x10 mm) - same | LQFP-64 (10x10 mm) - same | MAPBGA-36 tray variant, similar LQFP-64 same die | LQFP-64 (10x10 mm) - same | MAPBGA-36 (BGA-36) alternative, KL26 family |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M4 | ARM Cortex-M0+ |
| Core Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | Up to 100 MHz | 48 MHz |
| Program Flash | 64 KB | 64 KB | 128 KB | 256 KB | 64 KB | 256 KB | 128 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 32 KB | 8 KB | 128 KB | 16 KB |
| USB Controller | USB 2.0 Full-Speed Device (crystal-less) | Same USB 2.0 FS Device (crystal-less) | Same USB 2.0 FS Device (crystal-less) | Same USB 2.0 FS Device (crystal-less) | Same USB 2.0 FS Device (crystal-less) | USB 2.0 FS Device/Host/OTG (with PHY) | USB 2.0 FS Device/Host/OTG |
| 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 | 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 | -40 C to +105 C | -40 C to +105 C |
Diferenciadores clave
- Crystal-less USB device with on-chip 3.3V LDO (frente a MK30DX256VLK7)
- ARM Cortex-M0+ efficiency vs Cortex-M4 performance (frente a MK30DX256VLK7)
- Pin-compatible in-socket upgrade for higher flash (frente a MKL27Z256VLH4)
- Industrial temperature range (frente a MKL26Z128VMC4)
Notas de diseño
Estimated: at full 48 MHz activity from a 3.3V supply with USB enabled, the MKL27Z64VLH4 typical active current sits around 4-5 mA. Deep low-power state VLLS0 can drop quiescent to single-digit microamps. For battery-powered designs, place a 100 nF decoupling cap directly between pins 4 (VDD) and 5 (VSS), with a 4.7 uF bulk cap nearby; this filter is essential to keep noise out of the ADC and internal LDO outputs.
Place the 33 nF USB bypass capacitor as close as possible to VOUT33 (pin 40) to keep the on-chip 3.3V USB LDO output clean, and route the USB_DP (pin 38) and USB_DM (pin 39) pair as a 90-ohm differential trace. Keep VREGIN (pin 41) bypassed with a 1 uF ceramic. Avoid routing digital signals directly across these analog pins to minimize jitter on USB signaling.
At max 48 MHz operation from 3.6V with peripheral activity, the LQFP-64 (10x10 mm) package typically dissipates well under 0.5W, so thermal management is generally not a design concern. For designs near the thermal edge (industrial enclosures with limited airflow), verify junction temperature by computing I_actual x V_dd and accounting for theta_JA ~50 C/W for LQFP-64 with a standard 4-layer PCB. The KL27 was engineered for low-power use, so thermal pads / heatsinks are rarely needed.
Do not forget to populate the optional 32.768 kHz crystal-load capacitors on the relevant pins if crystal-low-USB mode is required; the KL27 supports crystal-less USB via internal clock-recovery, but other protocols (RTC, LPUART timing) may need a real crystal. Also, the reset pin (PTA5 / pin 11 in this LQFP-64 layout) requires a 10 kOhm pull-up to VDD if used in reset mode; leaving it floating can cause intermittent boot failures on long cable harnesses.
Información de cumplimiento
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified - this is an industrial/consumer MCU. Lead-free and halogen-free per NXP packaging documentation.
