MKL26Z32VLH4 - Kinetis KL26 48MHz Cortex-M0+ MCU, 32KB Flash, USB | NXP
Référence : MKL26Z32VLH4 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.42 | $5,42 |
| 10 | $4.88 | $48,80 |
| 100 | $4.16 | $416,00 |
| 500 | $3.55 | $1 775,00 |
| 1 000 | $2.98 | $2 980,00 |
MKL26Z32VLH4 Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. Within the broader semiconductor taxonomy, the MKL26Z32VLH4 sits in the hierarchy MCU -> 32-bit MCU -> ARM Cortex-M MCU -> low-power MCU -> Kinetis family. The Cortex-M0+ core is the smallest and most energy-efficient member of the ARM Cortex-M family, designed for cost-sensitive embedded applications where deterministic interrupt response and low active/idle power matter more than raw compute.
Key features include 32 KB flash, 4 KB SRAM, a full-speed USB 2.0 controller with on-chip transceiver, a low-power ARM Cortex-M0+ core, segment LCD controller (SLCD) option on related variants, multiple low-power modes (run, wait, stop, VLPRMPVLLS3), and a flexible low-power peripheral set including 12-bit ADC, 16-bit timers, LPUART, I2C, SPI, and USB. The device also integrates an internal 32 kHz and 8 MHz reference, simplifying BOM and supporting crystal-less USB operation in the KL2x sub-family.
Architecturally, the KL26 leverages Freescale/NXP's low-leakage process and a tightly coupled Cortex-M0+ pipeline with a single-cycle I/O port, achieving CoreMark/mW efficiency that puts it ahead of many 8-bit MCUs while retaining 32-bit throughput. The 48 MHz core mark, combined with hardware multiply/divide, gives roughly 0.93 DMIPS/MHz.
Typical applications include USB HID peripherals (keyboards, mice, remotes), wearable fitness bands, low-cost data loggers, sensor hubs, and battery-powered IoT end nodes. The on-chip USB 2.0 FS controller eliminates external PHY cost, and the 32 KB flash is adequate for HID class drivers, basic USB stacks, and small application logic.
When designing, note that the KL26 requires NXP's Kinetis Design Studio or MCUXpresso toolchain; an external decoupling scheme of 0.1 uF + bulk VHF per VDD/VREF domain is recommended, and the USB DP/DM traces must be 90 ohm differential matched.
This page synthesizes distributor pricing, drop-in pin-compatible Kinetis alternatives, and practical design notes beyond the manufacturer datasheet to help engineers make faster, more confident sourcing decisions.
Alternatives de remplacement direct pour MKL26Z32VLH4 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MKL26Z32VLH4 (même facteur de forme et même empreinte) — différant par ADC, Core, Package, Communication Interfaces, Data Bus Width.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MKL26Z64VLH4
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKL16Z32VLH4
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MKL24Z32VLH4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MKL14Z32VLH4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MKL26Z32VLH4 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M0+ |
| Core Architecture | ARM 32-bit |
| Fréquence d'horloge maximale | 48 MHz |
| Program Flash Memory | 32 KB (32K x 8) |
| RAM | 4 KB |
| USB Interface | USB 2.0 Full-Speed (OTG or Device, crystal-less option) |
| Boîtier | 64-pin LQFP (10 x 10 mm) |
| Pin/Package Suffix | VLH4 (LQFP-64) |
| Operating Voltage Range | 1.71 V to 3.6 V |
| Plage de température de fonctionnement | -40 C to +105 C |
| Low-Power Modes | Wait, Stop, VLPR, VLPW, VLPS, LLS, VLLS3 |
| ADC | 16-channel, 12-bit SAR |
| Timers | 2x 16-bit low-power timers; RTC |
| Communication Interfaces | LPUART, UART, SPI, I2C, USB |
| DMA Channels | 4 |
| GPIOs | Up to 51 |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de MKL26Z32VLH4
| Broche 1 | PTE0 — Port E bit 0; IRQ, ADC, TPM |
| Broche 2 | PTE1 — Port E bit 1; IRQ, ADC, TPM |
| Broche 3 | PTE2 — Port E bit 2; SPI, ADC |
| Broche 4 | PTE3 — Port E bit 3; SPI, ADC |
| Broche 5 | PTE4 — Port E bit 4; SPI, IRQ |
| Broche 6 | PTE5 — Port E bit 5; SPI, IRQ |
| Broche 7 | PTE6 — Port E bit 6; LPUART, I2C |
| Broche 8 | VDD — Digital supply voltage |
| Broche 9 | VSS — Ground |
| Broche 10 | USB_DP — USB D+ data line |
| Broche 11 | USB_DM — USB D- data line |
| Broche 12 | VREGIN — USB voltage regulator input |
| Broche 13 | VOUT33 — USB voltage regulator output (3.3 V) |
| Broche 14 | PTA0 — Port A bit 0; SWD CLK, IRQ |
| Broche 15 | PTA1 — Port A bit 1; SWD DIO, IRQ |
| Broche 16 | PTA2 — Port A bit 2; UART, TPM |
| Broche 17 | PTA3 — Port A bit 3; UART, TPM |
| Broche 18 | PTA4 — Port A bit 4; I2C, IRQ |
| Broche 19 | PTA5 — Port A bit 5; I2C, IRQ |
| Broche 20 | PTA6 — Port A bit 6; LPUART, IRQ |
| Broche 21 | PTA7 — Port A bit 7; LPUART, IRQ |
| Broche 22 | PTB0 — Port B bit 0; ADC, IRQ |
| Broche 23 | PTB1 — Port B bit 1; ADC, IRQ |
| Broche 24 | PTB2 — Port B bit 2; ADC, I2C |
| Broche 25 | PTB3 — Port B bit 3; ADC, I2C |
| Broche 26 | PTB4 — Port B bit 4; SPI, IRQ |
| Broche 27 | PTB5 — Port B bit 5; SPI, IRQ |
| Broche 28 | PTB6 — Port B bit 6; SPI, TPM |
| Broche 29 | PTB7 — Port B bit 7; SPI, TPM |
| Broche 30 | PTC0 — Port C bit 0; ADC, IRQ |
| Broche 31 | PTC1 — Port C bit 1; ADC, IRQ |
| Broche 32 | PTC2 — Port C bit 2; ADC, TPM |
| Broche 33 | PTC3 — Port C bit 3; ADC, TPM |
| Broche 34 | PTC4 — Port C bit 4; LPUART, IRQ |
| Broche 35 | PTC5 — Port C bit 5; LPUART, IRQ |
| Broche 36 | PTC6 — Port C bit 6; LPUART, TPM |
| Broche 37 | PTC7 — Port C bit 7; LPUART, TPM |
| Broche 38 | PTD0 — Port D bit 0; SPI, IRQ |
| Broche 39 | PTD1 — Port D bit 1; SPI, IRQ |
| Broche 40 | PTD2 — Port D bit 2; SPI, TPM |
| Broche 41 | PTD3 — Port D bit 3; SPI, TPM |
| Broche 42 | PTD4 — Port D bit 4; I2C, IRQ |
| Broche 43 | PTD5 — Port D bit 5; I2C, IRQ |
| Broche 44 | PTD6 — Port D bit 6; UART, TPM |
| Broche 45 | PTD7 — Port D bit 7; UART, TPM |
| Broche 46 | PTE16 — Port E bit 16; ADC, IRQ |
| Broche 47 | PTE17 — Port E bit 17; ADC, IRQ |
| Broche 48 | PTE18 — Port E bit 18; SPI, IRQ |
| Broche 49 | PTE19 — Port E bit 19; SPI, IRQ |
| Broche 50 | PTE20 — Port E bit 20; TPM |
| Broche 51 | PTE21 — Port E bit 21; TPM |
| Broche 52 | PTE22 — Port E bit 22; LPUART |
| Broche 53 | PTE23 — Port E bit 23; LPUART |
| Broche 54 | PTA8 — Port A bit 8; IRQ |
| Broche 55 | PTA9 — Port A bit 9; IRQ |
| Broche 56 | PTA10 — Port A bit 10; IRQ |
| Broche 57 | PTA11 — Port A bit 11; IRQ |
| Broche 58 | PTA12 — Port A bit 12; IRQ |
| Broche 59 | PTA13 — Port A bit 13; IRQ |
| Broche 60 | PTA14 — Port A bit 14; IRQ |
| Broche 61 | PTA15 — Port A bit 15; IRQ |
| Broche 62 | PTA16 — Port A bit 16; SPI, IRQ |
| Broche 63 | PTA17 — Port A bit 17; SPI, IRQ |
| Broche 64 | PTB8 — Port B bit 8; LPUART, IRQ |
Applications typiques
MKL26Z32VLH4 convient pour 7 applications: USB HID Peripherals (Keyboard, Mouse, Remote), Wearable Fitness Bands, Low-Cost Sensor Hubs and Data Loggers, USB Charging Cradles and Docks, Industrial HMI Panels, Battery-Powered IoT Edge Nodes, Educational and Maker Electronics.
USB HID Peripherals (Keyboard, Mouse, Remote)
The MKL26Z32VLH4's integrated USB 2.0 full-speed controller with on-chip PHY makes it a direct fit for USB HID class devices such as keyboards, mice, game controllers, and IR remotes. The 32 KB flash is sufficient to run the USB HID stack plus basic HID report descriptors and keymaps; the Cortex-M0+ at 48 MHz easily handles HID polling at 1 kHz with room for debounce and LED handling. Compared with MCUs that need an external USB PHY, the KL26 saves roughly $0.30-0.50 BOM and 4-6 mm board area. Designers typically route USB DP/DM as a 90 ohm differential pair and place a 0.1 uF + 4.7 uF decoupling network within 5 mm of VDD/VREF.
Recommandé
Wearable Fitness Bands
For wearable fitness bands, the MKL26Z32VLH4's low-power modes (VLPR at <100 uA/MHz, VLLS3 standby sub-uA) and 1.71-3.6 V operation allow direct Li-ion or coin-cell powering. The Cortex-M0+ core at 48 MHz can sample a 3-axis accelerometer via I2C, drive an SPI OLED, and run step-count algorithms within tight power budgets. The 4 KB RAM is adequate for short sensor FIFO buffering, and the USB interface doubles as a charging and data-sync port, eliminating a separate charging IC. Trade-off: at 32 KB flash, designers must use lightweight RTOS or bare-metal; the MKL26Z64VLH4 drop-in upgrade doubles flash with no PCB rework if more headroom is needed.
Recommandé
Low-Cost Sensor Hubs and Data Loggers
The MKL26Z32VLH4 serves well as a USB-tethered sensor hub, aggregating data from SPI/I2C sensors and streaming over USB CDC or HID to a host PC. Its 4-channel DMA offloads repetitive byte transfers, freeing the Cortex-M0+ core for time-stamping and threshold events. The 12-bit SAR ADC with up to 16 single-ended channels supports analog front-ends such as thermistors or load cells. A typical design reads sensors at 100 Hz, batches into 1 KB packets, and pushes over USB at FS rates - within both flash and MIPS budgets. Compared with 8-bit MCUs, the KL26 cuts code size 30-40% and adds deterministic 32-bit math for kalm filtering.
Recommandé
USB Charging Cradles and Docks
In USB charging cradles and dock accessories, the MKL26Z32VLH4 acts as a USB device that negotiates charge current via USB BC 1.2 or proprietary protocols. The crystal-less USB option removes an external 12 MHz or 48 MHz crystal, reducing BOM and PCB area. The 32 KB flash supports USB stack plus application logic for battery authentication or LED status. The 51 GPIO lines can drive indicator LEDs, button input, and a charging FET. Trade-off: a charging cradle may not need the full Cortex-M0+ compute; a smaller MKL04Z can suffice, but the MKL26 is preferred when future firmware growth is anticipated.
Recommandé
Industrial HMI Panels
For low-cost industrial HMI panels and operator interfaces, the MKL26Z32VLH4 drives character or segment LCDs, reads keypad matrices, and communicates to a master controller via RS-485 or CAN-isolated UART. The wide operating temperature range (-40 C to +105 C) is suitable for factory environments, and the 64-pin LQFP exposes enough GPIO to drive a 4x4 keypad plus 8 LEDs plus LCD. Designers typically pair the KL26 with an external RS-485 transceiver and a 5 V tolerant isolator. Compared with discrete logic designs, the KL26 cuts part count by 60% and adds firmware-driven diagnostics.
Recommandé
Battery-Powered IoT Edge Nodes
In battery-powered IoT edge nodes (BLE/Wi-Fi sensor endpoints), the MKL26Z32VLH4 functions as the host MCU that drives a wireless co-processor via SPI/UART and manages sensors, power gating, and housekeeping. Its low-power modes (VLPS, LLS, VLLS3) extend coin-cell life to multi-year timeframes; the 32 KB flash fits BLE peripheral stacks or light Wi-Fi AT command logic. Compared with 8-bit MCUs at the same MIPS, the KL26 typically saves 20-40% energy per task due to single-cycle I/O and hardware multiply. Trade-off: very low duty-cycle nodes (<0.1%) may benefit from smaller MCUs, but the KL26's USB-charging option remains attractive for rechargeable nodes.
Recommandé
Educational and Maker Electronics
The MKL26Z32VLH4, paired with the FRDM-KL26Z development board, is widely adopted in university embedded courses and maker projects because of its low cost, USB debugging, Arduino-friendly headers, and the free MCUXpresso IDE. The Cortex-M0+ introduces students to 32-bit ARM architectures without overwhelming complexity, while Kinetis peripheral libraries abstract low-level register access. Compared with Arduino Uno's ATmega328P, the KL26 offers 4x the flash, USB on-board, and a real IDE toolchain path. The 32 KB flash is suitable for typical semester projects (line-following robots, sensor dashboards, simple games).
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MKL26Z32VLH4 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MKL26Z64VLH4 | MKL16Z32VLH4 | MKL24Z32VLH4 | MKL14Z32VLH4 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-pin LQFP (10x10 mm) | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Max Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Program Flash | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB |
| USB Controller | USB 2.0 Full-Speed (with PHY) | USB 2.0 Full-Speed (with PHY) | No USB | No USB | No USB |
| Segment LCD Controller | No | No | No | Yes | No |
| RAM | 4 KB | 8 KB | 4 KB | 4 KB | 4 KB |
| 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 |
| Approx 1k+ Price (USD) | 2.98 | 3.40 | 2.75 | 3.10 | 2.60 |
Principaux différenciateurs
- Integrated USB 2.0 Full-Speed with on-chip PHY (vs MKL16Z32VLH4)
- Crystal-less USB option in KL2x sub-family (vs Generic 48 MHz MCU)
- Segment LCD controller absent - choose KL24 for LCD designs (vs MKL24Z32VLH4)
- Cost-optimized 32 KB flash in 64-pin LQFP (vs MKL26Z128VLL4)
Notes de conception
Decouple VDD/VREF/VREGIN with a 0.1 uF ceramic cap placed within 5 mm of each pin, plus a 4.7 uF bulk near the IC. For USB operation, add a 10 uF tantalum on VREGIN and a ferrite bead to VOUT33 to suppress USB inrush transients. The KL26's internal voltage regulator supplies the core from VREGIN; ensure VREGIN <= 5.5 V to avoid regulator damage.
Route USB DP/DM as a 90 ohm differential pair with length matching within 150 mil. Place the 33 ohm series resistors on DP/DM close to the MCU. Keep DP/DM traces away from clock lines and high-current switching nodes. Add ESD protection diodes (e.g. USBLC6-2SC6) near the USB connector. Maintain a continuous ground plane under the KL26 and stitch with vias around the LQFP perimeter.
Estimated: at 48 MHz core clock, the KL26 typically dissipates ~25 mW active and <50 uA in VLLS3 mode. The 64-pin LQFP package has theta_JA around 60 C/W, so a 25 mW load produces ~1.5 C junction rise - no heatsink needed. In VLPR mode (4 MHz), active current drops to ~3 mA; in VLLS3, standby is sub-uA, suitable for coin-cell applications.
Do not omit the external 32.768 kHz crystal load capacitors (typically 12.5 pF) on XTAL32/EXTAL32 pins if RTC accuracy matters; otherwise use the internal reference. When enabling the internal USB regulator (VREGIN path), ensure VOUT33 is not loaded with >3 mA externally. For SWD debugging, keep the SWD_CLK and SWD_DIO traces < 50 mm and avoid stubs. Do not float unused GPIO to avoid leakage in low-power modes.
Place the KL26 such that the LQFP pin 1 dot/orientation matches the schematic. Keep the 32.768 kHz crystal traces short and symmetric. Route analog ADC inputs (PTA, PTB, PTC, PTE) away from digital switching lines and bypass each analog pin with 100 nF to VREFH when used. For USB VBUS sensing, the VREGIN pin doubles as a VBUS presence detector; route this signal cleanly to avoid false disconnect events.
Informations de conformité
RoHS compliant per NXP product page. Halogen-free per datasheet. AEC-Q100 not qualified - industrial / consumer grade. Lead-free reflow compatible.
