MKL04Z32VLF4 - 48MHz Cortex-M0+ 32KB Flash MCU | NXP | LQFP-48
N.º de pieza: MKL04Z32VLF4 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.39 | $3,39 |
| 10 | $3.05 | $30,50 |
| 100 | $2.71 | $271,00 |
| 500 | $2.42 | $1.210,00 |
| 1.000 | $2.18 | $2.180,00 |
MKL04Z32VLF4 Descripción general
What is a Kinetis L microcontroller? The Kinetis L family is NXP's ultra-low-power ARM Cortex-M0+ MCU portfolio, positioned below the Cortex-M4-based Kinetis K series. It targets battery-powered and energy-harvesting products where every microamp of quiescent current matters. Within the L series, the KL0x sub-family is the smallest and lowest-cost entry, while KL1x/2x/4x add richer peripherals and higher memory. Architecturally, an ARM Cortex-M0+ core sits on an advanced bus matrix with low-power peripherals and a flexible low-leakage wake-up unit, making the Kinetis L a power management IC companion in any embedded system.
Key features include 32 KB program Flash, 4 KB SRAM, an 8-channel 12-bit SAR ADC, two analog comparators, a low-power hardware touch-sensing interface (TSI), up to 41 general-purpose I/O pins, and multiple serial peripherals including UART, SPI, and I2C. The device supports operating voltages from 1.71 V to 3.6 V and offers several low-power modes (Wait, Stop, VLPR, VLPS) that draw single-digit microamp currents, enabling years of battery life on coin-cell powered designs. The Cortex-M0+ core delivers 0.95 DMIPS/MHz with a two-stage pipeline and Thumb-2 instruction set compatibility.
Typical applications include wearable fitness bands, remote controls, wireless sensor node endpoints, electronic shelf labels, smart-meter peripherals, low-end Bluetooth/BLE beacons, and consumer toys. The wide memory map and Kinetis peripheral compatibility also make the KL04 suitable as a co-processor or I/O expander in larger designs. Industrial and home appliance sub-modules (HMI buttons, motor control via PWM) are additional use cases.
When designing with the MKL04Z32VLF4, ensure the decoupling network follows NXP's Kinetis L reference design: a 0.1 uF ceramic capacitor close to each VDD pin plus a bulk 4.7 uF capacitor. The LQFP-48 package has an exposed pad (pin 49/die pad) that must be soldered to the ground plane for thermal and electrical performance. The internal 1.2 V core regulator requires a 2.2 uF capacitor on VDCDC to operate correctly.
Alternativas directas para MKL04Z32VLF4 — 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 MKL04Z32VLF4 (mismo factor de forma y huella) — difiere en Package, Core Architecture, SRAM, Series, Flash Memory.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MKL05Z32VLF4
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.85 / unidad
Ver hoja de datos →MKL04Z16VLF4
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.75 / unidad
Ver hoja de datos →MKL04Z32VFK4
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →MKL04Z32VLF4 Valores máximos y características eléctricas
| Core | ARM Cortex-M0+ |
| Core Architecture | 32-bit ARM Thumb-2 |
| Maximum CPU Frequency | 48 MHz |
| Performance | 0.95 DMIPS/MHz |
| Program Flash | 32 KB |
| SRAM | 4 KB |
| Operating Voltage | 1.71 V to 3.6 V |
| ADC | 12-bit SAR, 8-channel |
| Analog Comparators | 2 |
| Touch-Sensing Interface (TSI) | Yes (hardware low-power) |
| GPIO | Up to 41 |
| Serial Peripherals | UART, SPI, I2C |
| Low-Power Modes | Wait, Stop, VLPR, VLPS |
| Encapsulado | 48-LQFP (7x7 mm) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Temperatura de funcionamiento | -40C to +105C |
| Sub-Family | Kinetis KL0x |
Configuración de pines de MKL04Z32VLF4
| Pin 1 | PTA0/TSI0_CH1 — GPIO PTA0 / TSI channel 1 |
| Pin 2 | PTA1/TSI0_CH2 — GPIO PTA1 / TSI channel 2 |
| Pin 3 | PTA2 — GPIO PTA2 |
| Pin 4 | PTA3 — GPIO PTA3 |
| Pin 5 | PTA4 — GPIO PTA4 |
| Pin 6 | PTA5 — GPIO PTA5 |
| Pin 7 | VDD — Supply voltage (1.71 V to 3.6 V) |
| Pin 8 | VSS — Ground |
| Pin 9 | PTA6 — GPIO PTA6 |
| Pin 10 | PTA7 — GPIO PTA7 |
| Pin 11 | PTB0 — GPIO PTB0 |
| Pin 12 | PTB1 — GPIO PTB1 |
| Pin 13 | PTB2 — GPIO PTB2 |
| Pin 14 | PTB3 — GPIO PTB3 |
| Pin 15 | PTB4 — GPIO PTB4 |
| Pin 16 | PTB5 — GPIO PTB5 |
| Pin 17 | PTC0 — GPIO PTC0 |
| Pin 18 | PTC1 — GPIO PTC1 |
| Pin 19 | PTC2 — GPIO PTC2 |
| Pin 20 | PTC3 — GPIO PTC3 |
| Pin 21 | PTC4 — GPIO PTC4 |
| Pin 22 | PTC5 — GPIO PTC5 |
| Pin 23 | PTC6 — GPIO PTC6 |
| Pin 24 | PTC7 — GPIO PTC7 |
| Pin 25 | PTD0 — GPIO PTD0 |
| Pin 26 | PTD1 — GPIO PTD1 |
| Pin 27 | PTD2 — GPIO PTD2 |
| Pin 28 | PTD3 — GPIO PTD3 |
| Pin 29 | PTD4 — GPIO PTD4 |
| Pin 30 | PTD5 — GPIO PTD5 |
| Pin 31 | PTD6 — GPIO PTD6 |
| Pin 32 | PTD7 — GPIO PTD7 |
| Pin 33 | PTE0 — GPIO PTE0 |
| Pin 34 | PTE1 — GPIO PTE1 |
| Pin 35 | VSS — Ground |
| Pin 36 | VDD — Supply voltage (1.71 V to 3.6 V) |
| Pin 37 | PTE16 — GPIO PTE16 |
| Pin 38 | PTE17 — GPIO PTE17 |
| Pin 39 | PTE18 — GPIO PTE18 |
| Pin 40 | PTE19 — GPIO PTE19 |
| Pin 41 | PTE20 — GPIO PTE20 |
| Pin 42 | PTE21 — GPIO PTE21 |
| Pin 43 | PTE22 — GPIO PTE22 |
| Pin 44 | PTE23 — GPIO PTE23 |
| Pin 45 | RESET_b — Active-low reset input |
| Pin 46 | EXTAL — External clock/oscillator input |
| Pin 47 | XTAL — External crystal oscillator output |
| Pin 48 | VSS — Ground |
Aplicaciones típicas
MKL04Z32VLF4 es adecuado para 6 aplicacións: Wearable Fitness Bands, Remote Controls (IR/RF), Wireless Sensor Node Endpoints, Electronic Shelf Labels (ESL), Smart Meter Peripherals, Consumer Toys and Educational Devices.
Wearable Fitness Bands
The MKL04Z32VLF4's 48 MHz Cortex-M0+ core, 32 KB Flash, and 4 KB SRAM cover the BLE SoC companion MCU role in wearable fitness bands. Its hardware touch-sensing interface (TSI) eliminates the need for an external touch IC for capacitive buttons and swipe gestures on the wristband. Multiple low-power modes (Stop at single-digit uA, VLPS below 1 uA) let the band last months on a coin cell when the main SoC sleeps. The 41 GPIOs on LQFP-48 also drive an OLED display and a heart-rate sensor I2C bus.
Recomendado
Remote Controls (IR/RF)
Low-cost IR and RF remote controls are a classic fit for the MKL04Z32VLF4. The Cortex-M0+ core handles key-scan matrix, IR carrier generation via PWM, and a simple RF transmitter protocol at 48 MHz with plenty of headroom. 32 KB Flash holds lookup tables for multiple device codes (TV, STB, audio), and the 1.71-3.6 V supply runs directly from two AAA cells. Stop-mode current below 1 uA extends battery life beyond a year of standby. The 41 GPIOs support full 7x7 key matrices without an external scan IC.
Recomendado
Wireless Sensor Node Endpoints
In ZigBee, Thread, or sub-GHz wireless sensor networks the MKL04Z32VLF4 acts as the application MCU paired with a radio transceiver. The UART/SPI/I2C set connects to a typical sub-GHz radio or BLE SoC, while the 12-bit ADC reads battery voltage and analog sensor inputs. The internal low-leakage wake-up unit and Stop-mode current below 5 uA make 10-year battery life on a 2400 mAh lithium cell feasible for metering endpoints. Hardware TSI also supports tamper buttons on smart-meter peripherals.
Recomendado
Electronic Shelf Labels (ESL)
Electronic shelf labels need a tiny, cheap MCU that sleeps most of the time and wakes on a wireless command. The MKL04Z32VLF4 in LQFP-48 fits ESL gateways and multi-cell ESL sub-controllers that drive a small display refresh circuit. Wide 1.71-3.6 V supply runs directly from CR2032 cells with a boost converter. The 8-channel 12-bit ADC monitors battery health, and Stop-mode current near 1 uA extends shelf life beyond 5 years. UART/SPI provides the link to a sub-GHz or 2.4 GHz ESL radio.
Recomendado
Smart Meter Peripherals
The MKL04Z32VLF4 fits as an auxiliary MCU inside smart-meter enclosures, handling local HMI buttons, tamper detection, and segmented indicator LEDs. Its low-leakage wake-up unit and Stop/VLPS modes keep idle current negligible even when the main metering SoC is active. The hardware touch-sensing interface adds capacitive front-panel buttons without extra components. Industrial temperature grade (-40C to +105C) covers outdoor meter cabinets. Up to 41 GPIOs also support segmented LED indicators via external drivers.
Recomendado
Consumer Toys and Educational Devices
Low-cost STEM toys, programmable badges, and educational controllers use the MKL04Z32VLF4 as the main MCU. Its 48 MHz Cortex-M0+ core, 32 KB Flash, and 4 KB SRAM run simple scripting engines, motor-control PWM loops, and BLE pairing via a paired radio. The hardware TSI enables touch pads without extra ICs, while the 12-bit ADC reads battery voltage and analog sensors. Wide 1.71-3.6 V supply supports direct Li-ion or 2xAA operation with an internal DC-DC, simplifying the BOM.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MKL04Z32VLF4 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MKL05Z32VLF4 | MKL04Z16VLF4 | MKL04Z32VFK4 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-48 (7x7 mm) | LQFP-48 (7x7 mm) | LQFP-48 (7x7 mm) | QFN-32 (FK) |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Program Flash | 32 KB | 32 KB | 16 KB (-50%) | 32 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB |
| GPIO Count (max) | 41 | 41 | 41 | 27 |
| Segment LCD Driver | No | Yes | No | No |
| Hardware Touch-Sensing (TSI) | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Lowest-cost entry into the Kinetis L family in LQFP-48 (frente a MKL05Z32VLF4)
- Highest pin-count Kinetis L option in the 32 KB Flash tier (frente a MKL04Z32VFK4 (QFN-32))
- Hardware touch-sensing interface included on-chip (frente a Generic Cortex-M0+ MCUs without TSI)
Notas de diseño
Decouple every VDD pin with a 0.1 uF X7R ceramic capacitor placed within 3 mm of the pin, plus a single 4.7 uF bulk capacitor on the supply rail. The internal DC-DC converter requires a 2.2 uF low-ESR capacitor on the VDCDC pin for stable 1.2 V core regulation. Failing to populate this cap will cause brownouts and erratic peripheral behavior.
Estimated: in LQFP-48 the theta_JA is approximately 65 C/W on a 1-oz 4-layer JEDEC test board. At full 48 MHz with all peripherals active, the MKL04Z32VLF4 draws < 10 mA, so self-heating is negligible (< 1 C rise) under normal conditions. Industrial (-40C to +105C) designs should still verify thermal behavior in a sealed enclosure.
Keep the EXTAL/XTAL crystal traces short (< 5 mm) and surrounded by ground pour to minimize EMI pickup. Route analog ADC traces away from digital switching signals, and add a ground guard ring around sensitive analog pins. The exposed pad on the LQFP-48 (pin 49 / die pad) must be soldered to a continuous ground plane for thermal and electrical performance.
Do not exceed 3.6 V on VDD - even brief transients above the abs-max rating can permanently damage the part. Always configure the watchdog and clock-lost reset in software before enabling Stop mode to avoid lockups. The TSI pins are shared with GPIO; do not enable TSI on a pin that is also used as an analog comparator input.
Información de cumplimiento
RoHS compliant and lead-free per NXP product page. Not AEC-Q100 qualified - choose a KEA or S32K part for automotive. REACH and conflict-mineral declarations published by NXP for the Kinetis L family.