PIC18F26K40-E/ML - 8-Bit 64MHz 64KB Flash MCU | Microchip
Référence : PIC18F26K40-E/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.975 | $1,98 |
| 10 | $1.78 | $17,80 |
| 100 | $1.52 | $152,00 |
| 500 | $1.31 | $655,00 |
| 1 000 | $1.15 | $1 150,00 |
| 3 000 | $1.02 | $3 060,00 |
PIC18F26K40-E/ML Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O. PIC18 microcontrollers use an enhanced 8-bit RISC architecture that sits between simple 8-bit MCUs and 32-bit ARM Cortex-M cores in performance/complexity. They are widely used in cost-sensitive embedded designs where deterministic behavior, low power, and rich analog integration matter more than raw MIPS.
Key features include 64MHz core speed, 10-bit ADC with computation (ADC2), 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, and communication peripherals such as EUSART, SPI, and I2C. The device also provides Peripheral Pin Select (PPS) for flexible pin assignment and operates across 2.3V-5.5V with low-power sleep modes.
The architecture combines a Harvard-style CPU with self-programmable Flash and Hardware Limiter Timer, ideal for functional-safety and motor-control loops. The CWG (Complementary Waveform Generator) and Zero-Cross Detect (ZCD) peripherals enable advanced power-conversion topologies without burdening the core.
Typical applications include consumer appliance control, LED lighting, low-power sensor nodes, motor control, USB-CDC bridges, and industrial IoT endpoints where low sleep current and 5V I/O tolerance simplify design.
When designing with this device, leverage CIPs to keep the CPU asleep longer for lower average current, and reserve PPS routing for SPI/I2C remapping when PCB layout forces pin reassignment.
Alternatives de remplacement direct pour PIC18F26K40-E/ML — 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 PIC18F26K40-E/ML (même facteur de forme et même empreinte) — différant par Operating Temperature, Package, ADC, DAC, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F26K40-I/ML
✅ Remplacement direct✓ En stock
$1.78 / unité
Voir la fiche technique →PIC18F26K40-E/MLVAO
✅ Remplacement direct✓ En stock
$1.74 / unité
Voir la fiche technique →PIC18LF26K40-I/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F26K40-E/SP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F26K40-E/SO
✅ Remplacement direct✓ En stock
$1.52 / unité
Voir la fiche technique →PIC18F26K40-E/SS
✅ Remplacement direct✓ En stock
$1.65 / unité
Voir la fiche technique →PIC18F26K40-E/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| Boîtier | 28-QFN (6x6 mm) |
| I/O Pins | 25 |
| ADC | 10-bit ADC2 |
| DAC | 5-bit DAC |
| Comparators | Yes |
| PWM Channels | PWM, CCP, CWG |
| Communication | EUSART, SPI, I2C |
| Special Features | XLP, WWDT, CRC/SCAN, ZCD, PPS, HLT |
| Température de fonctionnement | -40C to +125C |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Niveau MSL | 3 (168 hours) |
Configuration des broches de PIC18F26K40-E/ML
| Broche 1 | RA2 — Port A digital I/O / analog input |
| Broche 2 | RA3 — Port A digital I/O / analog input |
| Broche 3 | RA4 — Port A digital I/O / analog input |
| Broche 4 | RA5 — Port A digital I/O / analog input |
| Broche 5 | VSS — Ground reference |
| Broche 6 | RA7 — Port A digital I/O / analog input |
| Broche 7 | RA6 — Port A digital I/O / analog input |
| Broche 8 | RC0 — Port C digital I/O / analog input |
| Broche 9 | RC1 — Port C digital I/O / analog input |
| Broche 10 | RC2 — Port C digital I/O / analog input |
| Broche 11 | RC3 — Port C digital I/O / analog input |
| Broche 12 | RC4 — Port C digital I/O / analog input |
| Broche 13 | RC5 — Port C digital I/O / analog input |
| Broche 14 | RC6 — Port C digital I/O / analog input |
| Broche 15 | RC7 — Port C digital I/O / analog input |
| Broche 16 | VSS — Ground reference |
| Broche 17 | RB7 — Port B digital I/O / analog input |
| Broche 18 | RB6 — Port B digital I/O / analog input |
| Broche 19 | RB5 — Port B digital I/O / analog input |
| Broche 20 | RB4 — Port B digital I/O / analog input |
| Broche 21 | RB3 — Port B digital I/O / analog input |
| Broche 22 | RB2 — Port B digital I/O / analog input |
| Broche 23 | RB1 — Port B digital I/O / analog input |
| Broche 24 | RB0 — Port B digital I/O / analog input |
| Broche 25 | VDD — Positive supply voltage |
| Broche 26 | RA1 — Port A digital I/O / analog input |
| Broche 27 | RA0 — Port A digital I/O / analog input |
| Broche 28 | VDD — Positive supply voltage |
Applications typiques
PIC18F26K40-E/ML convient pour 6 applications: Consumer Appliance Control, LED Lighting Drivers, Low-Power IoT Sensor Nodes, Small Motor Control (BLDC/Fan), Industrial Control Modules, Automotive Body Electronics.
Consumer Appliance Control
The PIC18F26K40-E/ML is ideal for consumer appliance control boards such as washing machines, dishwashers, and microwave ovens. Its 64KB Flash accommodates state-machine firmware plus user-interface code, while the CWG and PWM peripherals drive triac-controlled AC loads and brushless DC motors. The 5V I/O tolerance interfaces directly to legacy triac drivers and zero-cross detectors without level shifters, reducing BOM cost. XLP sleep modes below 100 nA enable Energy Star standby compliance, and the 10-bit ADC2 reads NTC temperature sensors for safety cutoffs. Compared to 32-bit MCUs, the PIC18 core offers deterministic interrupt latency critical for appliance safety standards.
Recommandé
LED Lighting Drivers
The PIC18F26K40-E/ML excels in LED lighting applications including architectural dimmers, RGBW controllers, and horticultural fixtures. Its CWG peripheral generates complementary PWM outputs for synchronous buck converter FET drivers, while ZCD synchronizes dimming to AC line frequency for flicker-free TRIAC dimmer compatibility. The 5-bit DAC provides analog dimming reference for constant-current LED drivers, and 25 I/O pins handle multiple LED channels plus DMX-512 or DALI communication via EUSART. EEPOM stores calibration data, and PPS allows SPI/I2C remapping when routing high-current traces forces pin reassignment.
Recommandé
Low-Power IoT Sensor Nodes
The PIC18F26K40-E/ML is well-suited for battery-powered wireless sensor endpoints monitoring temperature, humidity, or vibration. XLP technology with sleep currents below 100 nA extends coin-cell life to multiple years, and Core Independent Peripherals (CIPs) like CRC/SCAN verify sensor data without waking the CPU. The EUSART interfaces directly to sub-GHz transceivers or BLE modules, while 64KB Flash stores application code plus OTA bootloader for field upgrades. ADC2 with computation averages multiple samples for noise-immune readings, and PPS lets designers optimize PCB antenna keep-out zones by remapping SPI lines.
Recommandé
Small Motor Control (BLDC/Fan)
The PIC18F26K40-E/ML drives small brushless DC motors in fans, pumps, and PC case cooling. The CWG generates six-step or FOC commutation signals with hardware dead-band insertion, and the QEI peripheral module reads Hall sensors or back-EMF for closed-loop speed control. 64MHz CPU speed executes field-oriented control loops at 16 kHz PWM, while the comparator protects against shoot-through faults. Compared to dedicated motor controllers, the PIC18F26K40-E/ML integrates communications (UART/SPI/I2C) for Modbus or CAN bridging without external ASICs, reducing system cost.
Recommandé
Industrial Control Modules
The PIC18F26K40-E/ML serves in industrial PLC expansion modules, signal conditioners, and process-control transmitters. Its 5V tolerance connects directly to 4-20 mA current loops and 24V sensor bridges via external resistors, while 10-bit ADC2 with computation handles ratiometric measurements with auto-zero calibration. The EUSART supports RS-485 Modbus RTU with hardware address detection, and 256B EEPROM stores calibration constants and Modbus registers. PPS routes SPI/I2C to optimal PCB locations when optocouplers or isolators constrain pin choices.
Recommandé
Automotive Body Electronics
The PIC18F26K40-E/ML powers body-control modules for window lifters, seat controllers, and interior lighting. Its extended -40C to +125C temperature range plus 5V tolerance suits 12V automotive bus environments, while CWG drives H-bridge MOSFETs with hardware dead-band preventing shoot-through. LIN-compatible EUSART interfaces to body network, and ZCD synchronizes PWM to electrical noise for EMC compliance. For AEC-Q100 qualified variants, designers select the PIC18F26K40-E/MLVAO suffix which shares identical firmware and pinout.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18F26K40-E/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F26K40-I/ML | PIC18F26K40-E/MLVAO | PIC18LF26K40-I/ML | PIC18F26K40-E/SP |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-SPDIP - same pinout |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C (AEC-Q100) | -40C to +85C | |
| Operating Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 1.8V to 3.6V | |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | |
| EEPROM | 256 B | 256 B | 256 B | 256 B | |
| Automotive Qualified | No (extended temp) | No (industrial) | Yes (AEC-Q100) | No (industrial) |
Principaux différenciateurs
- Core Independent Peripherals reduce CPU wake-ups (vs PIC18F26K22-I/ML)
- 5V tolerance simplifies industrial interfaces (vs PIC18LF26K40-I/ML)
- Extended temperature range supports harsh environments (vs PIC18F26K40-I/ML)
Notes de conception
The PIC18F26K40-E/ML supports XLP sleep modes with currents below 100 nA when properly configured. Disable unused peripherals via PMD (Peripheral Module Disable) registers to achieve lowest sleep current. Use the RTC with external 32.768 kHz crystal for periodic wake-up; avoid WDT-only wake-up when timing precision matters. Estimated: with all peripherals disabled and Sleep mode entered, typical IDD is ~50 nA at 3V.
The 28-QFN package has an exposed thermal pad (EP) that MUST be soldered to the PCB ground plane for proper heat dissipation and electrical performance. Place at least 4 thermal vias in the EP land pattern connecting to internal ground planes. Place decoupling capacitors (100 nF ceramic) on both VDD pins (25 and 28) within 3 mm of the package, plus a bulk 10 uF tantalum or ceramic near the supply entry.
Do not confuse the PIC18F26K40 (5V) with PIC18LF26K40 (3.3V max). Operating the LF variant above 3.6V causes permanent damage. Configure PPS carefully: some peripherals lock pin selections at startup; remapping mid-runtime requires unlocking the PPS registers via the IOLOCK bit sequence. When migrating from PIC18F26K22, verify ADC2 register map differs - existing code requires recompilation.
Informations de conformité
RoHS and REACH compliant per Microchip product page. Standard variant is not AEC-Q100 qualified; choose PIC18F26K40-E/MLVAO for automotive applications.
