PIC18F26K40T-E/SSVAO - 64KB Flash 8-bit MCU, Automotive | Microchip
N.º de pieza: PIC18F26K40T-E/SSVAO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.78 | $3,78 |
| 10 | $3.42 | $34,20 |
| 100 | $2.98 | $298,00 |
| 500 | $2.61 | $1.305,00 |
| 1.000 | $2.29 | $2.290,00 |
PIC18F26K40T-E/SSVAO Descripción general
An 8-bit microcontroller (MCU) is a microprocessor integrated with Flash program memory, RAM, EEPROM, and digital/analog peripherals on one CMOS die. The PIC18F family uses Microchip's enhanced RISC architecture and is positioned in the broader PIC microcontroller hierarchy as PIC10/12/16/18 -> 8-bit MCU -> microcontroller -> embedded processor. The "F" indicates Flash program memory and "K40" identifies the family's specific peripheral set within the XLP (eXtreme Low Power) product line targeting battery-friendly applications.
Key features include a 64MHz internal oscillator, 36 instructions with 8-bit data path, 1024 bytes of data EEPROM, and 4KB SRAM. Core-Independent Peripherals such as Configurable Logic Cells, Complementary Waveform Generator, Windowed Watchdog Timer, and Cyclic Redundancy Check enable offloading of tasks from the CPU. The 10-bit ADC with computation automates signal averaging, oversampling, and threshold comparisons.
Typical applications include automotive body electronics (BCM, lighting, HVAC actuators), sensor signal conditioning, IO-Link sensor nodes, low-power industrial controllers, and battery-powered IoT end-nodes. AEC-Q100 Grade 1 qualification makes this part the preferred choice when the design must operate reliably across the full automotive temperature range and survive stringent EMC and ESD requirements.
When designing with this device, allocate the SSOP-28 PCB land pattern carefully and observe the recommended decoupling capacitor placement near VDD pins. Use the ICD 3 or Curiosity HPC development board with MPLAB X IDE for code development; the device is supported by the free MPLAB XC8 compiler.
This page synthesizes distributor pricing, AEC-Q100 automotive-grade alternatives, and practical SSOP-28 design notes not consolidated in the manufacturer datasheet alone.
Alternativas directas para PIC18F26K40T-E/SSVAO — 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 PIC18F26K40T-E/SSVAO (mismo factor de forma y huella) — difiere en Package, ADC, Comparators, Program Memory (Flash), Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F26K40T-I/SS
✅ Sustitución directa✓ En stock
$1.94 / unidad
Ver hoja de datos →PIC18F26K40-I/SS
✅ Sustitución directa✓ En stock
$1.32 / unidad
Ver hoja de datos →PIC18F26K40-E/SSVAO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18F25K40-I/SSVAO
✅ Sustitución directa✓ En stock
$1.62 / unidad
Ver hoja de datos →PIC18F25K42-E/SS
✅ Sustitución directa✓ En stock
$2.18 / unidad
Ver hoja de datos →PIC18F26K40T-E/SSVAO Valores máximos y características eléctricas
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data SRAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V (F) / 2.3 V to 5.5 V (LF) |
| ADC | 10-bit ADC2 with computation |
| DAC | 5-bit DAC |
| Comparators | Yes |
| PWM Channels | Yes (CCP/ECCP) |
| CWG (Complementary Waveform Generator) | Yes |
| WWDT (Windowed Watchdog) | Yes |
| CRC/Scan | Yes |
| Encapsulado | 28-SSOP (5.30 mm body width) |
| Temperature Grade | Automotive, -40C to +125C (E suffix) |
| AEC-Q100 Qualification | Yes |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| XLP (eXtreme Low Power) | Yes |
Configuración de pines de PIC18F26K40T-E/SSVAO
| Pin 1 | RE3/MCLR — Digital IO / Master Clear Reset (active-low input) |
| Pin 2 | RA0 — PORTA0 / analog input / CLC input |
| Pin 3 | RA1 — PORTA1 / analog input |
| Pin 4 | RA2 — PORTA2 / analog input / DAC output |
| Pin 5 | RA3 — PORTA3 / analog input / VREF+ |
| Pin 6 | RA4 — PORTA4 / analog input |
| Pin 7 | RA5 — PORTA5 / analog input |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7 — PORTA7 / oscillator input |
| Pin 10 | RA6 — PORTA6 / oscillator output |
| Pin 11 | RC0 — PORTC0 |
| Pin 12 | RC1 — PORTC1 |
| Pin 13 | RC2 — PORTC2 |
| Pin 14 | RC3 — PORTC3 / SCL (I2C) |
| Pin 15 | RC4 — PORTC4 / SDA (I2C) |
| Pin 16 | RC5 — PORTC5 |
| Pin 17 | RC6 — PORTC6 / TX (UART) |
| Pin 18 | RC7 — PORTC7 / RX (UART) |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0 — PORTB0 / analog input / ZCD |
| Pin 22 | RB1 — PORTB1 / analog input |
| Pin 23 | RB2 — PORTB2 / analog input |
| Pin 24 | RB3 — PORTB3 / analog input |
| Pin 25 | RB4 — PORTB4 |
| Pin 26 | RB5 — PORTB5 |
| Pin 27 | RB6 — PORTB6 / ICSPCLK |
| Pin 28 | RB7 — PORTB7 / ICSPDAT |
Aplicaciones típicas
PIC18F26K40T-E/SSVAO es adecuado para 6 aplicacións: Automotive Body Control Modules (BCM), Industrial Sensor Signal Conditioning, Battery-Powered IoT End Nodes, Automotive Lighting and HVAC Actuators, Home Appliance Control Boards, Automotive Sensor Interface Modules.
Automotive Body Control Modules (BCM)
The PIC18F26K40T-E/SSVAO is well-suited for automotive body control modules (BCM) thanks to its AEC-Q100 Grade 1 qualification and -40C to +125C operating range. The 64KB Flash holds BCM application firmware including LIN/CAN state machines and lighting control logic, while 25 IO pins drive LEDs, relays, and switch inputs. The CWG peripheral simplifies PWM-driven tail-light dimming and the WWDT satisfies ISO 26262 functional-safety monitoring requirements.
Recomendado
Industrial Sensor Signal Conditioning
For 4-20 mA industrial sensor transmitters and bridge-sensor signal conditioning, the PIC18F26K40T-E/SSVAO integrates a 10-bit ADC2 with hardware averaging, oversampling, and threshold comparisons that offload the CPU. The 5-bit DAC plus on-chip comparators close a complete analog front-end loop, eliminating an external op-amp. Core Independent Peripherals (CLC, CWG) implement digital filters and PWM excitation for the bridge sensor without waking the CPU, achieving <50 nA sleep current for IEC 61131-9 IO-Link nodes.
Recomendado
Battery-Powered IoT End Nodes
The PIC18F26K40T-E/SSVAO's XLP technology delivers typical sleep currents under 50 nA, making it suitable for battery-powered IoT sensor end-nodes that must run for 5-10 years on a coin cell. The Windowed WDT plus RTC wake the MCU on programmable intervals, and the ADC2 with hardware oversampling captures sensor data without CPU intervention. The 64KB Flash stores the LoRaWAN or Wireless M-Bus stack alongside application code, while 25 IO pins drive sensors, buttons, and an LED indicator.
Recomendado
Automotive Lighting and HVAC Actuators
In automotive interior lighting and HVAC damper actuator modules, the PIC18F26K40T-E/SSVAO provides PWM-driven MOSFET control via its CCP/ECCP channels and Complementary Waveform Generator. AEC-Q100 qualification and -40C to +125C operation guarantee reliability in the dashboard thermal environment. The CRC scanner monitors Flash integrity at start-up to meet OEM functional-safety requirements, and 1KB EEPROM stores trim and calibration data for the HVAC damper feedback potentiometer.
Recomendado
Home Appliance Control Boards
The PIC18F26K40T-E/SSVAO serves home appliance control boards for washing machines, dishwashers, and induction cooktops. The 64KB Flash holds motor-control state machines plus the user-interface firmware, while 4KB SRAM buffers display frame buffers and 1KB EEPROM stores user settings and fault logs. The 5V tolerance simplifies interfacing to triac drivers and zero-cross detect circuits; the Windowed WDT prevents firmware lock-up in unattended appliances.
Recomendado
Automotive Sensor Interface Modules
For radar/LiDAR auxiliary sensor interface modules, ultrasonic parking sensors, and battery-management slave modules, the PIC18F26K40T-E/SSVAO provides an LIN-compatible UART plus the 10-bit ADC2 to digitize sensor outputs. The CRC/Scan peripheral performs background memory integrity checks required for ASIL-B capable systems. AEC-Q100 Grade 1 qualification and -40C to +125C operation meet under-hood thermal stress requirements of modern vehicle architectures.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18F26K40T-E/SSVAO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F26K40T-I/SS | PIC18F26K40-I/SS | PIC18F26K40-E/SSVAO | PIC18F25K40-I/SSVAO | PIC18F25K42-E/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Program Memory (Flash) | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB | 2 KB |
| Data EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| AEC-Q100 Qualification | Yes (Grade 1) | No (industrial -40C to +85C) | No (industrial -40C to +85C) | Yes (Grade 1) | Yes (VAO automotive) | Yes (E automotive grade) |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| Packaging Media | Tape & Reel | Tape & Reel | Tube | Tube | Tube | Tube |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- AEC-Q100 Grade 1 qualification with automotive -40C to +125C operating range (frente a PIC18F26K40T-I/SS)
- Tape-and-reel packaging for high-volume SMT assembly (frente a PIC18F26K40-E/SSVAO)
- 64 KB Flash for complex automotive firmware stacks (frente a PIC18F25K40-I/SSVAO)
- ADC2 with hardware computation offloads signal processing (frente a PIC18F25K42-E/SS)
Notas de diseño
Place a 100 nF decoupling capacitor as close as possible to pin 20 (VDD) and pin 19 (VSS) of the SSOP-28, with trace length kept below 2 mm. Add a bulk 10 uF tantalum or ceramic capacitor near the VDD pin to handle the inrush current when the part exits Sleep mode. Avoid routing high-speed digital signals under the SSOP body to prevent crosstalk into the analog AVSS/AVDD pair.
The PIC18F26K40T-E/SSVAO VDD supply must reach at least 1.8 V within the VDD rise-time specification (typically 1 ms) to guarantee a clean Power-on Reset. If the supply has a slow rise time, add an external RC delay on MCLR (pin 1) to extend the reset window. Use a low-ESR ceramic capacitor directly on the MCLR line to suppress voltage transients that can trigger spurious resets in automotive environments.
Keep the ICSP pins RB6/ICSPDAT (pin 27) and RB7/ICSPCLK (pin 28) accessible for in-circuit programming by routing them to a 2x3 or 1x6 header on the production PCB. Avoid placing bypass capacitors between these pins and the MCU that would interfere with the ICSP signals. For automotive EMI compliance, add a small ferrite bead in series with the ICSP clock line during board bring-up if oscillator noise is observed.
Do not leave the MCLR pin (pin 1) floating - it must be tied to VDD through a 10 kohm pull-up resistor to avoid spurious resets in noisy environments. The configuration bits must be programmed for the correct oscillator mode (typically INTOSC) and WDT setting before code execution; if the configuration words are erased, the part will not start. Always program the Flash configuration words at the end of the firmware load to prevent accidental brown-out lock-ups.
Estimated: at 64 MHz FOSC with 4 MHz PWM output on RC2, place a 33 ohm series resistor at the PWM output pin if the trace length exceeds 25 mm, to dampen transmission-line ringing. For analog inputs (RA0-RA5), route the analog traces perpendicular to digital switching traces and guard the analog ground with a via-stitched fence. The on-chip ADC2 can achieve 10-bit ENOB if the input source impedance stays below 2.4 kohm per the datasheet acquisition-time specification.
Información de cumplimiento
AEC-Q100 Grade 1 automotive qualified per Microchip product page. RoHS and REACH compliance per Hotenda listing. Halogen-free status not explicitly stated in provided data.
