PIC18LF24K22-I/MV - 8-bit XLP MCU 16KB Flash 28-UQFN | Microchip
MPN: PIC18LF24K22-I/MV ✓ فعالPIC18LF24K22-I/MV نمای کلی
A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash), data memory (RAM), and programmable peripherals. The PIC18 family sits in Microchip's 8-bit hierarchy: PIC10/12/16/18 -> 8-bit MCU -> microcontroller -> embedded computing IC -> semiconductor. The 'LF' subfamily specifically targets ultra-low-power applications through nanoWatt XLP technology, enabling sleep currents in the nanoamp range.
Key features include 16KB Flash self-programmable memory, 256 bytes of EEPROM, 10-bit ADC up to 17 channels, multiple PWM modules, EUSART, MSSP (SPI/I2C), and ultra-low-power sleep modes. The integrated 16MHz internal oscillator eliminates external crystals in many designs, while the 28-pin UQFN package provides compact 4x4 mm footprint with exposed thermal pad suitable for space-constrained applications. CIP (Core Independent Peripherals) reduce CPU overhead by handling tasks autonomously in hardware.
The PIC18LF24K22 architecture uses an enhanced Harvard RISC core with 49 instructions and hardware multiplier, executing most instructions in a single cycle for predictable deterministic performance. CIP features like CLC, PPS, and NCO enable complex signal routing without CPU intervention, making it suitable for real-time sensor processing and motor control loops.
Typical applications include low-power IoT sensor nodes, battery-powered medical devices, industrial control modules, consumer electronics HMI, USB peripherals, and automotive body electronics. The wide peripheral set and low-power modes also suit remote controls, smart metering, and wearable health monitoring. The industrial -40C to +85C temperature range supports harsh environment deployment.
When designing with this device, configure the PPS (Peripheral Pin Select) module early to avoid pin conflicts. Use the internal 16MHz HFINTOSC to save BOM cost and board space, but verify timing margins against your application. Review the PIC18(L)F24K22 datasheet for current consumption tables under different clock and sleep configurations before finalizing power budgets.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. The 28-UQFN (4x4) footprint is shared with the standard PIC18F24K22-I/MV and the tape-and-reel variant PIC18LF24K22T-I/MV, enabling layout reuse across the LF/F families.
جایگزین‌های drop-in برای PIC18LF24K22-I/MV — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC18LF24K22-I/MV (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, Timers, Core Architecture, ADC.
PIC18F24K22-I/MV
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF24K22T-I/MV
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF24K22-I/SSVAO
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18LF24K22-I/MV حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | PIC18 8-bit RISC |
| CPU Speed | 64MHz max (16 MIPS) |
| Program Memory (Flash) | 16KB (8K x 16) |
| RAM | 768 bytes |
| EEPROM | 256 bytes |
| Operating Voltage Range | 1.8V to 3.6V |
| I/O Pins | 24 |
| ADC | 10-bit, up to 17 channels |
| PWM Modules | Multiple (CCP/ECCP) |
| Communication | EUSART, MSSP (SPI/I2C) |
| Low-Power Technology | nanoWatt XLP |
| بسته‌بندی | 28-pin UQFN (4x4 mm) with EP |
| دمای کاری | -40C to +85C (Industrial) |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant |
پیکربندی پین PIC18LF24K22-I/MV
| پین 1 | RA0/AN0/C1IN+/C2IN+/RP0 — Digital I/O / Analog input / Comparator input / Remappable peripheral |
| پین 2 | RA1/AN1/C1IN-/C2IN-/RP1 — Digital I/O / Analog input / Comparator input / Remappable |
| پین 3 | RA2/AN2/VREF-/C2IN+/RP2 — Digital I/O / Analog input / Voltage reference / Remappable |
| پین 4 | RA3/AN3/VREF+/RP3 — Digital I/O / Analog input / Voltage reference+ / Remappable |
| پین 5 | RA4/T0CKI/C1OUT/RP4 — Digital I/O / Timer0 clock / Comparator output / Remappable |
| پین 6 | RA5/AN4/C2IN-/SS1/RP5 — Digital I/O / Analog input / SPI slave select |
| پین 7 | RA6/OSC2/CLKO — Digital I/O / Oscillator output |
| پین 8 | VSS — Ground |
| پین 9 | RA7/OSC1/CLKI — Digital I/O / Oscillator input / Clock input |
| پین 10 | RC0/SOSCO/T1CKI — Digital I/O / Secondary oscillator / Timer1 clock |
| پین 11 | RC1/SOSCI/CCP2 — Digital I/O / Secondary oscillator / CCP2 PWM |
| پین 12 | RC2/AN14/CCP1 — Digital I/O / Analog input / CCP1 PWM |
| پین 13 | RC3/AN15/SEG15 — Digital I/O / Analog input / LCD segment |
| پین 14 | RC4/AN16/SDA1 — Digital I/O / Analog input / I2C data |
| پین 15 | RC5/AN17/SCL1 — Digital I/O / Analog input / I2C clock |
| پین 16 | RC6/AN18/TX1/CK1 — Digital I/O / Analog input / EUSART TX |
| پین 17 | RC7/AN19/RX1/DT1 — Digital I/O / Analog input / EUSART RX |
| پین 18 | RB0/AN12/INT0/RP8 — Digital I/O / Analog input / External interrupt |
| پین 19 | RB1/AN10/RP9 — Digital I/O / Analog input / Remappable |
| پین 20 | RB2/AN8/RP10 — Digital I/O / Analog input / Remappable |
| پین 21 | RB3/AN9/CPP1/RP11 — Digital I/O / Analog input / Remappable |
| پین 22 | RB4/AN11/RP12 — Digital I/O / Analog input / Remappable |
| پین 23 | RB5/AN13/RP13 — Digital I/O / Analog input / Remappable |
| پین 24 | RB6/PGC — Digital I/O / ICSP clock |
| پین 25 | RB7/PGD — Digital I/O / ICSP data |
| پین 26 | VDD — Positive supply |
| پین 27 | RE3/MCLR/VPP — Master clear reset / Programming voltage |
| پین 28 | RA5/AN4 — Digital I/O / Analog input (alternate pin) |
کاربردهای معمول
PIC18LF24K22-I/MV مناسب است برای 6 کاربردs: Low-Power IoT Sensor Nodes, Battery-Powered Medical Devices, Industrial Control Modules, Consumer Electronics HMI, Automotive Body Electronics, Smart Metering and Utility Monitoring.
Low-Power IoT Sensor Nodes
The PIC18LF24K22-I/MV fits low-power IoT sensor nodes because its nanoWatt XLP sleep current is below 100 nA, allowing battery life of multiple years. Per Microchip datasheet, the 64MHz core wakes quickly from sleep and executes sensor acquisition in microseconds, while the 10-bit ADC up to 17 channels handles multiple analog sensors without external multiplexing.
پیشنهادی
Battery-Powered Medical Devices
The PIC18LF24K22-I/MV suits battery-powered medical devices needing long runtime and deterministic performance. Per Microchip datasheet, the 1.8V-3.6V supply range supports two alkaline or one lithium cell directly, while XLP sleep modes reduce quiescent drain to nanoamps between measurement cycles. The 16KB Flash handles application logic with room for bootloader updates.
پیشنهادی
Industrial Control Modules
The PIC18LF24K22-I/MV serves industrial control modules where its -40C to +85C industrial temperature range and 24 I/O pins provide robust interfacing. Per Microchip datasheet, the CIP peripherals (CLC, NCO, PPS) handle signal routing in hardware without CPU load, while EUSART and MSSP support industrial protocols like Modbus RTU and I2C sensor chains.
پیشنهادی
Consumer Electronics HMI
The PIC18LF24K22-I/MV is well-suited for consumer HMI applications such as small appliances, remote controls, and user-interface panels. Per Microchip datasheet, the PWM modules drive LEDs and buzzers directly, the 10-bit ADC reads potentiometers and touch sliders, and the 28-UQFN 4x4 mm footprint fits inside compact enclosures while leaving room for a small PCB antenna.
پیشنهادی
Automotive Body Electronics
The PIC18LF24K22-I/MV can be used for non-safety automotive body electronics such as interior lighting controllers, seat control modules, and ambient sensor interfaces. Per Microchip datasheet, the EUSART and MSSP peripherals handle LIN and CAN transceivers, while the 64MHz core executes body-control algorithms with deterministic timing. For AEC-Q100 qualification, consider the PIC18LF24K22-I/SSVAO variant.
پیشنهادی
Smart Metering and Utility Monitoring
The PIC18LF24K22-I/MV supports smart metering endpoints where its XLP nanoWatt sleep modes extend battery life to 10+ years. Per Microchip datasheet, the 17 ADC channels read multiple utility sensors (flow, temperature, leak detection), while the hardware multiplier accelerates metering calculations. The 1.8V minimum supply supports single-cell lithium thionyl chloride chemistries common in metering.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC18LF24K22-I/MV — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC18F24K22-I/MV | PIC18LF24K22T-I/MV | PIC18LF24K22-I/SSVAO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-UQFN (4x4) | 28-UQFN (4x4) - same | 28-UQFN (4x4) - same | 28-SSOP - different |
| Operating Voltage | 1.8V to 3.6V | 2.3V to 5.5V | 1.8V to 3.6V | 1.8V to 3.6V |
| Flash Memory | 16KB | 16KB | 16KB | 16KB |
| RAM | 768 bytes | 768 bytes | 768 bytes | 768 bytes |
| CPU Speed | 64MHz (16 MIPS) | 64MHz (16 MIPS) | 64MHz (16 MIPS) | 64MHz (16 MIPS) |
| Packaging | Tube | Tube | Tape & Reel | Tube (automotive) |
| Automotive Grade | No | No | No | Yes (AEC-Q100) |
تفاوت‌های کلیدی
- Lowest voltage range in K22 family (در مقابلPIC18F24K22-I/MV)
- Tube packaging format (در مقابلPIC18LF24K22T-I/MV)
- 28-UQFN 4x4 mm footprint saves PCB area (در مقابلPIC18LF24K22-I/SSVAO)
یادداشت‌های طراحی
Estimated: at 3.3V VDD with CPU active at 64MHz, core current is approximately 8-12 mA per Microchip datasheet typical curves; at 16MHz HFINTOSC this drops to ~2 mA. Sleep current with RTC enabled is ~1 uA, and deep sleep (all off) is below 100 nA. Use the internal HFINTOSC and disable unused peripherals in firmware to maximize battery life.
The 28-UQFN package has an exposed thermal pad that must be soldered to a copper pad on the PCB for thermal and mechanical reliability. Per Microchip package specification, the EP pad should connect to a ground plane with at least 4 thermal vias (0.3 mm diameter) for heat dissipation. Place decoupling 100nF + 10uF capacitors as close as possible to VDD pin 26 and VSS pin 8.
Configure PPS (Peripheral Pin Select) early in firmware to avoid pin conflicts: many peripherals are remappable to multiple pins. Per datasheet, the RPx pins must be unlocked via IOLOCK before reconfiguration, and unlocking requires a specific unlock sequence in software. Failure to do so leaves peripherals on default pins and wastes board space.
For high-speed SPI/I2C communication beyond 1 MHz, place 4.7k-10k pull-ups on I2C lines and use series resistors (22-33 ohm) on SPI clock/data traces. Per Microchip MSSP section, MSSP timing margins shrink above 8 MHz; verify signal integrity with an oscilloscope and respect the 4x VDD trace width rule.
اطلاعات انطباق
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; choose PIC18LF24K22-I/SSVAO for automotive.
