PIC18LF25K83T-I/SS - 8-Bit 64MHz 32KB Flash MCU | Microchip
Référence : PIC18LF25K83T-I/SS ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.1 | $3,10 |
| 10 | $2.78 | $27,80 |
| 100 | $2.46 | $246,00 |
| 500 | $2.21 | $1 105,00 |
| 1 000 | $1.97 | $1 970,00 |
PIC18LF25K83T-I/SS Présentation
An 8-bit microcontroller is a single-chip computer built around an 8-bit data-path CPU; the PIC18 family from Microchip is the higher-performance tier of that category with hardware multipliers and 16-bit instructions. Within the broader taxonomy, PIC18F sits under Microcontroller -> Embedded MCU -> Integrated Circuit, and the 'LF' prefix designates the extended low-power (XLP) variants that operate down to 1.8V. The PIC18(L)F25/26K83 family specifically adds integrated CAN bus connectivity, positioning it above general-purpose 8-bit MCUs and alongside 16-bit alternatives such as dsPIC33 in Microchip's CAN-capable portfolio.
The 32KB self-programmable Flash and 256-byte data EEPROM, combined with 2KB SRAM and the 12-bit ADC with Computation (ADC2), support advanced touch sensing via Capacitive Voltage Divider (CVD) techniques. Dual I2C/SPI, a CAN 2.0B controller with DMA, and a 32MHz internal oscillator remove many external components. eXtreme Low Power (XLP) technology keeps active current in the microamp range for battery-powered designs, and IDLE/DOZE modes let dynamic power track the application duty cycle.
The 28-SSOP package has a compact 5.30mm body with 0.65mm pitch, suiting hand-solderable prototypes as well as volume assembly. Hardware context includes an integrated DMA controller that offloads data movement, configurable logic cells, and a peripheral pin select (PPS) that simplifies PCB routing by remapping digital peripherals to alternate pins without rewiring the board.
Typical uses include automotive body and CAN nodes, industrial sensor and control modules, capacitive-touch user interfaces, low-power IoT edge nodes, and battery-powered instrumentation. A robust CAN peripheral and 12-bit ADC2 also suit medical, white-goods, and HVAC fieldbus designs where deterministic messaging and low standby power are required.
When designing, allocate two-layer board area for the SSOP-28 ground pad and confirm the decouple network (typically 100nF + 1uF) is within 3mm of VDD. For CAN nodes, verify the transceiver load and bus termination against ISO 11898 and use the internal DMA to keep CPU overhead low under heavy bus traffic.
This page aggregates current distributor pricing, true drop-in alternatives, and hands-on design notes for the PIC18LF25K83T-I/SS - practical information not gathered in a single place in the manufacturer datasheet.
Alternatives de remplacement direct pour PIC18LF25K83T-I/SS — 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 PIC18LF25K83T-I/SS (même facteur de forme et même empreinte) — différant par ADC, Package, MSL Level, Operating Temperature, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F25K83T-I/SS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F25K83-I/SS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18LF25K83-I/SS
✅ Remplacement direct✓ En stock
$1.62 / unité
Voir la fiche technique →PIC18LF25K83T-I/SO
✅ Remplacement direct✓ En stock
$1.55 / unité
Voir la fiche technique →PIC18F25K80T-I/SS
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.46 / unité
Voir la fiche technique →PIC18LF25K83T-I/SS Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC18 (8-bit RISC, 16-bit instructions) |
| Family | PIC18 XLP |
| Program Memory (Flash) | 32 KB |
| Data RAM | 2 KB |
| Data EEPROM | 1024 bytes |
| Maximum CPU Speed | 64 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Température de fonctionnement | -40 C to +85 C (industrial, 'I' suffix) |
| ADC | 12-bit ADC with Computation (ADC2) |
| CAN | 1 x CAN 2.0B controller |
| I2C | 2 modules |
| SPI | 2 modules |
| DMA Channels | 2 |
| Internal Oscillator | 32 MHz (HFINTOSC) |
| Boîtier | 28-SSOP (5.30 mm body, 0.65 mm pitch) |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de PIC18LF25K83T-I/SS
| Broche 1 | MCLR — Master Clear (reset) input |
| Broche 2 | RA0 — Port A bit 0 / analog input |
| Broche 3 | RA1 — Port A bit 1 / analog input |
| Broche 4 | RA2 — Port A bit 2 / analog input |
| Broche 5 | RA3 — Port A bit 3 / analog input |
| Broche 6 | RA4 — Port A bit 4 |
| Broche 7 | RA5 — Port A bit 5 |
| Broche 8 | RA6 — Port A bit 6 |
| Broche 9 | RA7 — Port A bit 7 |
| Broche 10 | RB0 — Port B bit 0 |
| Broche 11 | RB1 — Port B bit 1 |
| Broche 12 | RB2 — Port B bit 2 |
| Broche 13 | RB3 — Port B bit 3 |
| Broche 14 | RB4 — Port B bit 4 |
| Broche 15 | RB5 — Port B bit 5 |
| Broche 16 | RB6 — Port B bit 6 / ICSP clock |
| Broche 17 | RB7 — Port B bit 7 / ICSP data |
| Broche 18 | VSS — Ground reference |
| Broche 19 | VDD — Positive supply voltage |
| Broche 20 | RC0 — Port C bit 0 |
| Broche 21 | RC1 — Port C bit 1 |
| Broche 22 | RC2 — Port C bit 2 |
| Broche 23 | RC3 — Port C bit 3 |
| Broche 24 | RC4 — Port C bit 4 |
| Broche 25 | RC5 — Port C bit 5 |
| Broche 26 | RC6 — Port C bit 6 |
| Broche 27 | RC7 — Port C bit 7 |
| Broche 28 | NC — Not connected (per datasheet) |
Applications typiques
PIC18LF25K83T-I/SS convient pour 7 applications: Automotive CAN Body Control Modules, Capacitive Touch User Interfaces, Industrial Sensor and Control Modules, Low-Power IoT Edge Nodes, Battery-Powered Instrumentation, HVAC and White-Goods Fieldbus, Medical and Wellness Monitoring.
Automotive CAN Body Control Modules
The PIC18LF25K83T-I/SS is well-suited to automotive CAN body control nodes such as seat controllers, mirror modules, and lighting clusters. Its integrated CAN 2.0B controller with two DMA channels sustains bus traffic with low CPU overhead, while the 1.8-5.5 V supply survives load-dump transients through an upstream regulator. The 64 MHz core (16 MIPS) handles J1939-style message decoding, and 32 KB Flash accommodates CAN stack plus application logic in a single chip.
Recommandé
Capacitive Touch User Interfaces
The PIC18LF25K83T-I/SS targets capacitive touch panels where its 12-bit ADC with Computation (ADC2) automates Capacitive Voltage Divider (CVD) techniques. The 2 KB RAM and 32 KB Flash comfortably run mTouch firmware for buttons, sliders, and proximity zones, while eXtreme Low Power (XLP) current draws measured in microamps extend battery life in portable remotes. The 28-SSOP package also allows tight PCB layouts under glass overlays.
Recommandé
Industrial Sensor and Control Modules
The PIC18LF25K83T-I/SS fits industrial sensor hubs and 4-20 mA loop-powered transmitters that demand deterministic CAN, SPI, or I2C connectivity. The two SPI modules handle digital sensors or external ADC front-ends, while the dual I2C ports connect to EEPROM, RTC, and HMI displays. Its 1.8-5.5 V supply simplifies integration with both 3.3 V sensors and 5 V actuators, and the 64 MHz CPU runs PID loops and MODBUS ASCII with margin.
Recommandé
Low-Power IoT Edge Nodes
The PIC18LF25K83T-I/SS is a strong fit for battery-powered IoT edge nodes that report sensor data over CAN, RS-485, or I2C. eXtreme Low Power (XLP) technology keeps active current in the microamp range, IDLE/DOZE modes scale dynamic power with duty cycle, and the internal 32 MHz HFINTOSC eliminates an external crystal in many designs. The 1 KB EEPROM logs configuration and calibration data across power cycles.
Recommandé
Battery-Powered Instrumentation
The PIC18LF25K83T-I/SS powers handheld instruments, portable meters, and field calibration tools where every microamp counts. Its 1.8 V minimum VDD allows direct operation from two AA cells or a single Li-ion cell with a buck-boost supply, while sleep currents below 1 uA extend shelf life. The 12-bit ADC2 with computation hardware supports averaging and filtering for precision sensor reads, and 32 KB Flash stores calibration tables and UI strings.
Recommandé
HVAC and White-Goods Fieldbus
The PIC18LF25K83T-I/SS supports HVAC and appliance fieldbus designs where CAN or proprietary serial protocols link user panels, sensors, and motor controllers. The two DMA channels offload message reception so the CPU can focus on control loops, and the wide 1.8-5.5 V supply survives motor back-EMF spikes. Its robust peripherals allow one MCU to handle touch input, motor PWM, and communication in a compact BOM.
Recommandé
Medical and Wellness Monitoring
The PIC18LF25K83T-I/SS is appropriate for medical wellness devices such as blood-pressure monitors, pulse oximeter front-ends, and connected thermometers. Its 12-bit ADC2 with CVD supports sensor readout and direct button interfaces without external touch ICs, while eXtreme Low Power (XLP) modes extend battery life in portable form factors. The CAN bus is also used in some medical cart and bed networking applications.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18LF25K83T-I/SS — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F25K83T-I/SS | PIC18F25K83-I/SS | PIC18LF25K83-I/SS | PIC18LF25K83T-I/SO | PIC18F25K80T-I/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-SOIC - same die, wider pitch | 28-SSOP - same |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Maximum CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.0 V to 5.5 V |
| CAN 2.0B Controller | Yes | Yes | Yes | Yes | Yes | No (prior-gen, no CAN) |
| ADC | 12-bit ADC2 with CVD | 12-bit ADC2 with CVD | 12-bit ADC2 with CVD | 12-bit ADC2 with CVD | 12-bit ADC2 with CVD | 10-bit ADC (no CVD) |
| DMA Channels | 2 | 2 | 2 | 2 | 2 | 0 (no DMA) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Principaux différenciateurs
- Integrated CAN 2.0B with DMA channels (vs PIC18F25K80T-I/SS)
- 12-bit ADC2 with CVD touch support (vs PIC18F25K80T-I/SS)
- 1.8 V minimum supply voltage (vs PIC18F25K83T-I/SS)
Notes de conception
Estimated: The PIC18LF25K83T-I/SS XLP active current at 1 MHz / 1.8 V is approximately 35 uA/MIPS, and sleep current drops below 1 uA. Place a 100 nF decoupling capacitor within 3 mm of VDD (pin 19) and a bulk 1-10 uF ceramic on the same rail. For CAN bus nodes, add a TVS diode such as SMAJ33CA on the bus lines and a common-mode choke to suppress EMI from motor drivers.
The 28-SSOP has a 0.65 mm pitch; route power traces with at least 0.20 mm width and place the ICSP header (RB6/RB7/MCLR/VDD/VSS) on the board edge for production programming. Keep the analog AVSS/AVDD pair (if used) short and decoupled separately from digital VDD. Avoid routing the CAN bus traces near switching nodes - use a ground guard on both sides of the differential pair.
Do not exceed 5.5 V on any pin or VDD - the LF variant tolerates down to 1.8 V but cannot survive reverse polarity or inductive transients without external protection. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD for normal operation; do not leave it floating. For ADC2 CVD touch sensing, follow Microchip's mTouch layout guide and add a ground ring around the touch electrodes to suppress noise coupling from the CAN bus.
Estimated: At maximum 64 MHz / 5.5 V, the K83 draws approximately 15 mA active, dissipating around 80 mW. The 28-SSOP package thermal resistance (theta_JA) is approximately 95 C/W, so the junction rises only about 8 C above ambient - well within the 125 C operating junction limit. No heatsink is required for typical designs, but in enclosed IP65 housings, verify case temperature stays below 85 C ambient.
Informations de conformité
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the standard 'I' grade is industrial (-40 to +85 C). For AEC-Q100 automotive, check the PIC18F25K83-E (extended) variants. Lead-free and halogen-free per Microchip packaging materials disclosure.
