PIC18LF46K80T-I/PT - 8-bit 64MHz 64KB Flash MCU w/ECAN XLP
Référence : PIC18LF46K80T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.1 | $6,10 |
| 10 | $5.49 | $54,90 |
| 100 | $4.85 | $485,00 |
| 500 | $4.4 | $2 200,00 |
| 1 000 | $4.05 | $4 050,00 |
PIC18LF46K80T-I/PT Présentation
An 8-bit PIC microcontroller is a RISC-architecture MCU built around a 16-bit instruction word, providing deterministic execution timing and rich peripheral integration for cost-sensitive embedded designs. PIC18LF devices sit at the top of the 8-bit PIC family, adding large linear RAM, hardware ECAN/USB stacks, and nanoWatt XLP™ sleep modes that push active current down to the single-digit mA range and sleep current to the sub-microamp range. Within the broader semiconductor hierarchy, PIC MCUs belong to the microcontroller family, which itself sits inside the embedded system category of integrated circuits.
Key features include a 12-bit A/D converter with up to 12 channels, a CTMU (Charge Time Measurement Unit) for capacitive touch sensing, four 16-bit timers, two CCP/ECCP modules, two MSSP (I²C/SPI) ports, two ECAN modules, two comparators, and 35 general-purpose I/O pins. The device supports LIN, SPI, I²C, and CAN connectivity, plus a 4 KB EEPROM for non-volatile data storage. The nanoWatt XLP™ feature delivers an ultra-low standby current profile for energy-harvesting and IoT battery designs.
Architecturally, the PIC18LF46K80 uses a Harvard-style RISC core with hardware multiply and a 31-level stack, providing predictable interrupt latency and deterministic real-time control. Its ECAN™ peripheral supports CAN 2.0B with acceptance filters, making it a strong fit for automotive body and industrial networks. The integrated CTMU simplifies touch-button and capacitive-proximity interfaces without an external analogue front end.
Typical applications include CAN node endpoints, automotive body controllers, sensor nodes, industrial control panels, and low-power IoT endpoints. The wide -40 °C to +85 °C industrial temperature range, combined with the low-voltage operating window, makes this part a strong fit for any 3.3V system requiring robust connectivity and ultra-low standby power.
When designing with this device, ensure the supply stays within 1.8V to 3.6V (LF variant) and that the ECAN bus is terminated with 120 Ω at each end. For sleep-mode current to reach the datasheet minimum, the MCLR pull-up and unused I/O lines must be configured to avoid parasitic current paths.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers an actionable one-stop reference for the PIC18LF46K80T-I/PT.
Alternatives de remplacement direct pour PIC18LF46K80T-I/PT — 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 PIC18LF46K80T-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Operating Temperature, Core Architecture, I/O Pins.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F46K80T-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18LF46K80-I/PT
✅ Remplacement direct✓ En stock
$3.74 / unité
Voir la fiche technique →PIC18LF45K80T-I/ML
✅ Remplacement direct✓ En stock
$2.65 / unité
Voir la fiche technique →PIC18LF46K80T-I/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18LF26K80T-I/SO
✅ Remplacement direct✓ En stock
$2.62 / unité
Voir la fiche technique →PIC18LF46K40-I/PT
✅ Remplacement direct✓ En stock
$2.1 / unité
Voir la fiche technique →PIC18LF46K80T-I/PT Valeurs maximales et caractéristiques électriques
| Core Processor | PIC |
| Core Size | 8-bit |
| Program Memory Size | 64 KB (32K x 16) FLASH |
| RAM Size | 3.6 KB (3.6K x 8) |
| EEPROM Size | 1 KB |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Number of I/O | 35 |
| ADC | 12-bit, up to 12 channels |
| Comparators | 2 |
| Timers (16-bit) | 4 |
| CCP / ECCP Modules | 2 |
| MSSP (I²C/SPI) Ports | 2 |
| ECAN Modules | 2 (CAN 2.0B) |
| CTMU (Touch Sensing) | Yes |
| Connectivity | ECAN, I²C, LIN, SPI, UART |
| Plage de température de fonctionnement | -40 °C to +85 °C (Industrial) |
| Boîtier | 44-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel |
| Statut RoHS | Compliant |
Configuration des broches de PIC18LF46K80T-I/PT
| Broche 1 | RC7/RX1/DT1/CCP4/MA1 — I/O port C bit 7 / EUSART1 RX / CCP4 |
| Broche 2 | RC6/TX1/CK1/CCP3 — I/O port C bit 6 / EUSART1 TX / CCP3 |
| Broche 3 | RC5/D+/VP — I/O port C bit 5 / USB D+ or ADC reference |
| Broche 4 | RC4/D-/VM — I/O port C bit 4 / USB D- or ADC reference |
| Broche 5 | RC3/SCL/SCK1/SDA1/MA2 — I/O port C bit 3 / I²C/SPI clock |
| Broche 6 | RC2/SDA1/SDI1/MA3 — I/O port C bit 2 / I²C/SPI data |
| Broche 7 | RC1/SOSI/CCP2 — I/O port C bit 1 / SOSI / CCP2 |
| Broche 8 | RC0/SOSO — I/O port C bit 0 / SOSO |
| Broche 9 | OSC1/RA7 — Crystal oscillator input / GPIO RA7 |
| Broche 10 | OSC2/RA6 — Crystal oscillator output / GPIO RA6 |
| Broche 11 | RA5/AN4/C2INA — I/O port A bit 5 / ADC ch4 |
| Broche 12 | RA4/AN3/C1INA — I/O port A bit 4 / ADC ch3 |
| Broche 13 | RA3/AN2/Vref+ — I/O port A bit 3 / ADC ch2 / Vref+ |
| Broche 14 | RA2/AN1/Vref- — I/O port A bit 2 / ADC ch1 / Vref- |
| Broche 15 | RA1/AN0/C1INC — I/O port A bit 1 / ADC ch0 |
| Broche 16 | RA0/AN0 — I/O port A bit 0 |
| Broche 17 | VSS — Ground |
| Broche 18 | VDD — Positive supply (1.8V–3.6V) |
| Broche 19 | RB7/KBI3/PGD — I/O port B bit 7 / ICD data |
| Broche 20 | RB6/KBI2/PGC — I/O port B bit 6 / ICD clock |
| Broche 21 | RB5/KBI1/AN13/C1INA — I/O port B bit 5 / ADC ch13 |
| Broche 22 | RB4/KBI0/AN11/C2INA — I/O port B bit 4 / ADC ch11 |
| Broche 23 | RB3/AN9/C1OUT — I/O port B bit 3 / ADC ch9 |
| Broche 24 | RB2/AN8/C2OUT — I/O port B bit 2 / ADC ch8 |
| Broche 25 | RB1/AN10/C1OUT — I/O port B bit 1 / ADC ch10 |
| Broche 26 | RB0/AN12 — I/O port B bit 0 / ADC ch12 |
| Broche 27 | VSS — Ground |
| Broche 28 | VDD — Positive supply (1.8V–3.6V) |
| Broche 29 | RD7/PSP7/MA1 — I/O port D bit 7 / Parallel Slave Port |
| Broche 30 | RD6/PSP6 — I/O port D bit 6 / Parallel Slave Port |
| Broche 31 | RD5/PSP5 — I/O port D bit 5 / Parallel Slave Port |
| Broche 32 | RD4/PSP4 — I/O port D bit 4 / Parallel Slave Port |
| Broche 33 | RD3/PSP3 — I/O port D bit 3 / Parallel Slave Port |
| Broche 34 | RD2/PSP2/CANTX — I/O port D bit 2 / ECAN TX |
| Broche 35 | RD1/PSP1/C1RX — I/O port D bit 1 / ECAN RX |
| Broche 36 | RD0/PSP0/C2RX — I/O port D bit 0 / ECAN RX |
| Broche 37 | RE3/MCLR/VPP — Master Clear (reset) / programming voltage |
| Broche 38 | RE2/CS — I/O port E bit 2 / Chip Select |
| Broche 39 | RE1/WR — I/O port E bit 1 / Write strobe |
| Broche 40 | RE0/RD — I/O port E bit 0 / Read strobe |
| Broche 41 | RE7/ECCP2/P2A — I/O port E bit 7 / ECCP2 channel A |
| Broche 42 | RE6/ECCP1/P1A — I/O port E bit 6 / ECCP1 channel A |
| Broche 43 | RE5 — I/O port E bit 5 |
| Broche 44 | RE4 — I/O port E bit 4 |
Applications typiques
PIC18LF46K80T-I/PT convient pour 6 applications: Automotive CAN Node, Industrial Sensor Node, Capacitive Touch Interface, Battery-Powered IoT Endpoint, Home Appliance Control Board, Portable Medical Monitor.
Automotive CAN Node
The PIC18LF46K80T-I/PT fits automotive CAN nodes because its two integrated ECAN™ modules implement CAN 2.0B with acceptance filters, eliminating the need for an external CAN controller. With 64 KB flash, 3.6 KB RAM, and 1.8V–3.6V supply, it handles OBD-II firmware, J1939 stacks, and gateway tasks while staying within automotive power budgets. Pair with an MCP2551 or MCP2562 CAN transceiver; the LF variant operates on a 3.3V rail common in body-electronics modules.
Recommandé
Industrial Sensor Node
In industrial sensor nodes the PIC18LF46K80T-I/PT serves as the local controller and protocol translator. Its 12-bit ADC with up to 12 channels handles multi-sensor scanning (temperature, pressure, current) while the ECAN module reports back to a PLC. The 64 MHz CPU executes J1939 or CANopen stacks in real time. The industrial -40 °C to +85 °C temperature range and robust PIC18 XLP peripheral set suit factory-floor deployments.
Recommandé
Capacitive Touch Interface
The PIC18LF46K80T-I/PT is well suited for capacitive touch interfaces thanks to the integrated CTMU (Charge Time Measurement Unit), which measures capacitance changes on a button or slider pad without an external analogue front end. With 64 KB flash and 35 GPIO, the same MCU runs the touch firmware, drives the LCD, and communicates via UART to a host controller. The 12-bit ADC supports proximity-sensor overlays and LED current sense.
Recommandé
Battery-Powered IoT Endpoint
The PIC18LF46K80T-I/PT fits coin-cell and 2xAA IoT endpoints because the nanoWatt XLP™ sleep current drops to sub-microamp levels, and the 1.8V–3.6V supply accepts a CR2032 coin cell directly. With 64 KB flash and 3.6 KB RAM, the part handles BLE/Zigbee co-processor command parsing, sensor aggregation, and ECAN / LIN bus duty cycling. The integrated 12-bit ADC reads battery voltage for accurate SoC reporting.
Recommandé
Home Appliance Control Board
White-goods and HVAC controllers benefit from the PIC18LF46K80T-I/PT's LIN bus connectivity for sensor/actuator networking, plus the ECAN port for higher-speed backbone links to the main board. The 35 GPIO drive relays, TRIACs, and status LEDs directly, and the 12-bit ADC reads thermistors and pressure transducers. The industrial temperature range covers under-cabinet and outdoor HVAC environments.
Recommandé
Portable Medical Monitor
Portable medical devices such as pulse oximeters and glucose meters leverage the PIC18LF46K80T-I/PT's low-voltage operation, low sleep current, and 12-bit ADC for accurate sensor readout. The 64 KB flash stores reference curves and calibration tables, while the ECAN port enables secure wired connectivity to hospital networks. The wide operating temperature range and the LF variant's 1.8V minimum suit lithium-primary powered designs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18LF46K80T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F46K80T-I/PT | PIC18LF46K80-I/PT | PIC18LF45K80T-I/ML | PIC18LF46K80T-I/ML | PIC18LF26K80T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10) | TQFP-44 (10x10) - same | TQFP-44 (10x10) - same | QFN-44 (8x8) - variant | QFN-44 (8x8) - variant | SOIC-28 - smaller |
| Supply Voltage Range | 1.8V to 3.6V (LF) | 2.0V to 5.5V (F) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) |
| Program Flash | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| RAM | 3.6 KB | 3.6 KB | 3.6 KB | 2 KB | 3.6 KB | 3.6 KB |
| ECAN Modules | 2 | 2 | 2 | 2 | 2 | 1 |
| CPU Speed | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS |
| Packaging Format | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Integrated ECAN module (CAN 2.0B) eliminates external CAN controller (vs PIC18LF46K40-I/PT)
- Two ECAN modules enable CAN gateway or dual-bus architectures (vs PIC18LF26K80T-I/SO)
- CTMU peripheral simplifies capacitive touch firmware (vs PIC18LF46J11-I/ML)
Notes de conception
For nanoWatt XLP™ sleep current to reach the datasheet minimum (sub-1 µA), unused peripherals must be disabled in the PMDx register and unused I/O configured as outputs driving low. The MCLR pull-up should be implemented as a 100 kΩ resistor or omitted in sleep-only designs to prevent parasitic current paths through the input protection diodes.
Keep the ECAN TX/RX traces short and matched to within 5 mm to comply with CAN 2.0B bus timing at 1 Mbps. Place a 120 Ω termination resistor at each end of the bus only, not on every node. The 44-pin TQFP-44 (10x10) package benefits from a continuous ground plane beneath the device to provide thermal dissipation and a low-impedance return path for ECAN and MSSP signals.
Do not exceed 3.6V VDD on the LF variant - operation above the absolute-maximum supply voltage will damage the part. If a 5V supply is unavoidable, choose the PIC18F46K80T-I/PT sibling instead. For ECAN loop-back tests, remember to put the microcontroller into Loopback mode by setting the CANCTRL.REQOP bits before connecting to an active bus, otherwise it will interfere with other nodes.
Estimated: At maximum 64 MHz CPU clock with all peripherals active, the PIC18LF46K80T-I/PT draws approximately 15 mA from a 3.3V supply, dissipating about 50 mW. The TQFP-44 (10x10) package has a typical theta_JA around 50 °C/W, giving a junction temperature rise of only 2.5 °C above ambient - no heatsink is required. Thermal management is dominated by I/O current, not core power.
Informations de conformité
RoHS and REACH compliance stated on Microchip product page. Not AEC-Q100 qualified - for automotive, see PIC18F46K80-I/PT family variants (separate AEC-Q100 versions exist in Microchip portfolio).