PIC18F25J11-I/ML - 8-bit 48MHz 32KB Flash MCU | Microchip
MPN: PIC18F25J11-I/ML ✓ فعالPIC18F25J11-I/ML جائزہ
A PIC microcontroller is a programmable embedded processor that combines a CPU core, non-volatile Flash program memory, volatile SRAM data memory, and a wide range of on-chip peripherals (ADC, timers, UART, SPI, I2C, PWM) into a single IC. PIC18 J-series parts specifically add Peripheral Pin Select (PPS), allowing digital peripherals to be remapped to almost any I/O pin, which simplifies PCB routing and enables compact designs in small packages. Within the PIC taxonomy, the PIC18F25J11 sits in the mid-range 8-bit family: PIC -> 8-bit MCU -> PIC18 -> PIC18J -> PIC18F25Jxx sub-family.
Key features include 32 KB self-programmable Flash, 4 KB SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 10 channels, two analog comparators, two CCP/ECCP modules, two MSSP (SPI/I2C) ports, two Enhanced USART ports, two 8-bit and three 16-bit timers, and a 4x PLL allowing the 48 MHz core to run from a low-frequency external crystal. The nanoWatt XLP technology enables deep-sleep currents below 1 uA, and Peripheral Pin Select adds routing flexibility.
Technically, the PIC18F25J11 uses a 16-bit modified-Harvard architecture with a 16-bit instruction word and 8-bit data path, achieving C-compiler-friendly performance for embedded control loops. The wide operating voltage range of 2.0V to 3.6V makes it ideal for battery-powered designs, while PPS, DMA-style peripheral remap, and on-chip capacitive touch support reduce external component count.
Typical applications include low-cost consumer appliances, battery-powered sensor nodes, USB device controllers, white goods and HVAC controls, motor control with back-EMF sensing, lighting controllers, and human-machine interface panels. Engineers also use this part as a low-power MCU in IoT edge nodes and wearable electronics thanks to the deep-sleep mode.
When designing with this part, pay attention to the 2.0V-3.6V Vdd range (not 5V tolerant), place a 100 nF decoupling capacitor on each Vdd pin as close as possible, and ensure the MCLR pull-up is correctly biased. For code development, use MPLAB X IDE with the XC8 compiler.
This page consolidates verified distributor pricing, drop-in alternatives, and engineering design notes that are not readily available on a single manufacturer or distributor page.
کے لیے ڈراپ اِن متبادل PIC18F25J11-I/ML — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC18F25J11-I/ML (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Communication Interfaces, Operating Temperature, I/O Pins, Program Memory (Flash).
PIC18F25J10-I/ML
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F25J11T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF25J11-I/ML
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F25K50-I/ML
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F25J11-I/ML زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC18 8-bit |
| Series | PIC XLP 18J |
| Program Memory Size | 32 KB (16K x 16) Flash |
| RAM Size | 4 KB |
| EEPROM Size | 256 B |
| Maximum CPU Frequency | 48 MHz (12 MIPS) |
| Supply Voltage (Vdd) | 2.0 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial) |
| I/O Pins | 21 |
| ADC | 10-bit, up to 10 channels |
| Comparators | 2 |
| Timers | 2x 8-bit, 3x 16-bit |
| Communication | 2x EUSART, 2x MSSP (SPI/I2C) |
| CCP/ECCP Modules | 2 |
| Peripheral Pin Select (PPS) | Yes |
| پیکیج | 28-QFN 6x6 mm (ML) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
| MSL لیول | 3 |
PIC18F25J11-I/ML پن کنفیگریشن
| پن 1 | RA0/AN0 — Digital I/O / analog input channel 0 |
| پن 2 | RA1/AN1 — Digital I/O / analog input channel 1 |
| پن 3 | RA2/AN2/Vref- — Digital I/O / analog input channel 2 / ADC Vref- |
| پن 4 | RA3/AN3/Vref+ — Digital I/O / analog input channel 3 / ADC Vref+ |
| پن 5 | RA4 — Digital I/O (open-drain) |
| پن 6 | RA5/AN4 — Digital I/O / analog input channel 4 |
| پن 7 | RA6 — Digital I/O |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock input |
| پن 10 | OSC2/CLKO/RA6 — Crystal oscillator output |
| پن 11 | RC0 — Digital I/O (PPS) |
| پن 12 | RC1 — Digital I/O (PPS) |
| پن 13 | RC2 — Digital I/O (PPS) |
| پن 14 | RC3 — Digital I/O (PPS) |
| پن 15 | RC4 — Digital I/O (PPS) |
| پن 16 | RC5 — Digital I/O (PPS) |
| پن 17 | RC6 — Digital I/O (PPS) |
| پن 18 | RC7 — Digital I/O (PPS) |
| پن 19 | VSS — Ground reference (second pin) |
| پن 20 | VDD — Positive supply 2.0V-3.6V |
| پن 21 | RB0 — Digital I/O (PPS) |
| پن 22 | RB1 — Digital I/O (PPS) |
| پن 23 | RB2 — Digital I/O (PPS) |
| پن 24 | RB3 — Digital I/O (PPS) |
| پن 25 | RB4 — Digital I/O (PPS) |
| پن 26 | RB5 — Digital I/O (PPS) |
| پن 27 | RB6/PGC — Digital I/O / ICSP clock |
| پن 28 | RB7/PGD — Digital I/O / ICSP data |
| پن EP | VSS (EP) — Exposed pad - must be soldered to ground |
عام استعمالات
PIC18F25J11-I/ML کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Node, USB HID Peripheral / Consumer Device, Industrial HVAC / White Goods Control Board, LED Lighting Controller, Automotive Body Electronics (Non-Safety), Human-Machine Interface (HMI) Panel.
Battery-Powered IoT Sensor Node
The PIC18F25J11-I/ML's nanoWatt XLP deep-sleep mode drops core current below 1 uA, making it well suited for battery-powered IoT sensor nodes that wake periodically to read a sensor and transmit over UART or SPI. With 32 KB Flash it can hold a small LoRaWAN or BLE HCI command set; with 4 KB RAM it can buffer sensor payloads up to several hundred bytes. Its 2.0V-3.6V Vdd range lets it run directly from a single CR2032 or 2xAA cell with a low-drop regulator. PPS allows remapping UART/SPI to any digital pin, which simplifies PCB routing around an antenna keep-out. Compared with a Cortex-M0 node, this part costs less and consumes less deep-sleep power, but offers lower MIPS so it is best for sub-MHz sensor sampling, not high-rate DSP.
تجویز کردہ
USB HID Peripheral / Consumer Device
With a 48 MHz core and 32 KB Flash, the PIC18F25J11-I/ML can implement low-speed USB device firmware via the on-chip MSSP and a software bit-banged USB stack, or through a dedicated PIC18F25K50 if higher throughput is needed. The 28-QFN package exposes enough pins for USB D+/D-, Vbus detect, and a button matrix. The PIC18J-series PPS makes pin assignment for the USB interrupt and external IRQ sources straightforward, even with the small pin count. Its 12 MIPS performance comfortably handles HID class reports, capacitive-touch key scanning, and LED PWM feedback loops. Compared with a dedicated USB MCU, the F25J11 saves cost when USB is a secondary interface and the design only needs to enumerate as HID or CDC-ACM. Power rails can run directly from the USB 3.3V line, eliminating a regulator.
تجویز کردہ
Industrial HVAC / White Goods Control Board
The PIC18F25J11-I/ML is a strong fit for HVAC control boards and white-goods appliance controllers, thanks to its industrial -40C to +85C temperature grade, 10-bit ADC for reading thermistors and pressure sensors, two CCP/ECCP modules for TRIAC-fired heater control or fan PWM, and 21 I/O for button matrices, segment displays, and relays. Its 32 KB Flash fits full state-machine control firmware plus a small user-interface library, and 4 KB RAM handles display buffer plus protocol queue. The 28-QFN footprint is small enough for a compact PCB next to high-voltage isolation barriers. PPS allows the EUSART to route to either the IR receiver or the service-port connector depending on board layout, simplifying multi-derivative designs. Compared with a 5V PIC18F K-series, the F25J11 trades 5V tolerance for lower power consumption.
تجویز کردہ
LED Lighting Controller
For LED drivers and lighting controllers, the PIC18F25J11-I/ML delivers two CCP/ECCP modules capable of independently driving RGB or dual-channel constant-current LED strings at up to 20 kHz PWM without processor intervention. The 32 KB Flash holds DMX-512, DALI, or 0-10V analog dimming libraries, while the 10-bit ADC reads ambient-light photodiodes for daylight harvesting. The 48 MHz / 12 MIPS performance is sufficient to refresh 16-bit-per-channel PWM resolution at 1 kHz, with cycles to spare for a UART-based DMX receive path. NanoWatt XLP deep-sleep saves energy when the fixture is off. The 28-QFN (ML) 6x6 mm footprint fits inside bulb-base form factors. Compared with a dedicated lighting ASIC, this part offers firmware-reprogrammability for cross-region certification.
تجویز کردہ
Automotive Body Electronics (Non-Safety)
Although the PIC18F25J11-I/ML is industrial-grade (-40C to +85C) rather than AEC-Q100 qualified, it is widely used in non-safety automotive body modules such as ambient lighting controllers, seat heaters, seat-position memory switches, and door-window control units where cost dominates over functional-safety certification. The 32 KB Flash holds state-machine control plus LIN slave protocol firmware, and the 4 KB RAM buffers UART/LIN frames. The 28-QFN footprint enables compact modules inside door-trim or seat-belt anchor areas. PPS allows the LIN UART to be remapped depending on board layout. For safety-critical modules, Microchip recommends AEC-Q100-qualified PIC18F K-series parts like PIC18F25K83T-I/ML instead; the F25J11 is best for cost-sensitive, non-safety body features.
تجویز کردہ
Human-Machine Interface (HMI) Panel
The PIC18F25J11-I/ML supports small-segment LCD or LED-display HMI panels with multiple mechanical buttons thanks to its 21 I/O and 2 EUSART ports for communicating with a host controller. Its 32 KB Flash holds button-debounce, LED-blink, and small-menu state machines, while the 4 KB RAM serves a frame buffer for up to 32 7-segment digits or 16x4 character LCD. The 10-bit ADC reads an analog joystick or rotary encoder. The 28-QFN fits behind a small front-panel display. Compared with an FPGA-driven HMI, this part reduces BOM cost and PCB area; compared with a bare 8051, it offers more peripherals and PPS routing for cleaner layout.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F25J11-I/ML — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F25J10-I/ML | PIC18F25J11T-I/ML | PIC18LF25J11-I/ML | PIC18F25K50-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (ML) 6x6 mm | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB (-50%) |
| CPU Frequency | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS |
| Supply Voltage (Vdd) | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.3V | 1.8V - 5.5V (wider) |
| Peripheral Pin Select (PPS) | Yes | No | Yes | Yes | Yes |
| USB 2.0 FS | No (software bit-bang) | No | No | No | Yes (on-chip) |
| Unit Price (1-pc, USD) | $4.15 | $3.65 (approx, lower - older gen) | $4.15 (same - T&R variant) | $4.25 (approx) | $4.50 (approx, slightly higher) |
اہم امتیازی خصوصیات
- PPS + nanoWatt XLP deep sleep in same 28-QFN package (بمقابلہPIC18F25J10-I/ML)
- Same die, different package code (بمقابلہPIC18F25J11T-I/ML)
- Low-voltage variant optimized for battery (بمقابلہPIC18LF25J11-I/ML)
- On-chip USB 2.0 FS device (بمقابلہPIC18F25K50-I/ML)
ڈیزائن نوٹس
The PIC18F25J11 operates from 2.0V-3.6V; it is NOT 5V tolerant. Place a 100 nF decoupling capacitor on pin 20 (VDD) within 5 mm of the package, plus a bulk 4.7-10 uF ceramic on the same rail. The exposed pad (EP) on the 28-QFN must be soldered to VSS - it is the primary thermal dissipation path. Use nanoWatt XLP deep-sleep mode (DS39964D section 26) for battery-powered designs to drop core current below 1 uA; wake via WDT or external interrupt.
At 48 MHz / 12 MIPS, core current consumption is approximately 10-15 mA at 3.3V, plus peripheral current. The 28-QFN's theta_JA is around 38 C/W, so at 50 mA total and 3.3V (0.165 W dissipation) the junction rises only about 6C above ambient - well within the 125C limit. Estimated: with 100 mA total draw, dissipation rises to 0.33 W and junction rise becomes 13C, still safe. No heatsink required; PCB copper pour under the exposed pad improves thermal performance.
Route the 12 MHz crystal on pins 9-10 with short traces (<5 mm) and a guard ring to VSS to minimize EMI. Place C1/C2 (typically 15-33 pF) close to the crystal. Keep the ICSP PGC/PGD pins (27-28) accessible for programming - add test pads if the board has no header. For PPS-driven designs, leave the digital I/O pins uncommitted in the PCB library so firmware can remap peripherals later.
Do not apply 5V to any I/O pin on PIC18F25J11 - it permanently damages the part. Configure the CONFIG3H register to enable or disable the internal regulator (PIC18 J-series uses an on-chip 2.5V regulator). Forgetting this lock bit can cause the MCU to never start. Use the configuration bits in MPLAB X IDE to ensure brown-out-reset (BOR) and watchdog timer (WDT) are set per your application requirements.
The MSSP modules can run up to 5 MHz SPI or 400 kHz I2C. For long SPI traces (>50 mm) or fast EUSART (>1 Mbaud), use series source termination on clock lines and keep clock traces away from PWM or CCP outputs. The 28-QFN's ground exposed pad provides a low-impedance return path - stitch VSS vias on all inner layers near the package to minimize ground bounce.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Industrial grade -40C to +85C, not AEC-Q100 qualified. For automotive, use AEC-Q100-qualified PIC18F25K83-I/ML instead.
