PIC18LF26J53-I/SO - 8-bit 48MHz 64KB Flash USB MCU | Microchip
부품 번호: PIC18LF26J53-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.55 | $35.50 |
| 100 | $3.12 | $312.00 |
| 500 | $2.74 | $1,370.00 |
| 1,000 | $2.41 | $2,410.00 |
PIC18LF26J53-I/SO 개요
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and peripherals on one silicon die. The PIC18 family is Microchip's enhanced 8-bit architecture sitting between baseline PIC10/12/16 and the 16-bit PIC24/dsPIC families. The 'LF' prefix denotes a wide-voltage low-power variant, the 'J' suffix indicates the J-series family with integrated USB, and '53' identifies the specific die with 64KB Flash. The PIC18LF26J53 belongs to the power management hierarchy of low-power MCUs used in battery-operated and USB-connected products.
Key features include 64KB (32K x 16) Flash program memory, 4KB RAM, 22-channel 10-bit ADC, two analog comparators, enhanced CCP modules, four timers, two I2C, two SPI, and a full-speed USB 2.0 device/host/OTG transceiver. The device integrates a 3.3V voltage regulator for USB operation and supports deep sleep current below 100nA via nanoWatt XLP technology.
The PIC18LF26J53 uses an enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path. The 48MHz internal oscillator with 4x PLL eliminates external crystals in most designs, and the integrated USB transceiver eliminates external USB PHY chips. The wide 2.0V-3.6V supply range with internal 3.3V regulation supports single-cell Li-ion or two-AA battery designs.
Typical applications include USB peripherals, sensor hubs, low-power wireless sensor nodes, industrial data loggers, HID-class USB devices, and consumer electronics with USB connectivity. The combination of integrated USB, deep-sleep nanoWatt XLP modes, and rich peripherals makes it well-suited for cost-sensitive USB-aware embedded products.
When designing with this device, note that the 28-SOIC package is the most common variant; for USB designs with dedicated D+/D- pins routing, follow the datasheet's PCB layout recommendations for the integrated 3.3V regulator. Designers should also verify the 'LF' supply voltage window (2.0V-3.6V) versus the non-LF 'F' variant (down to 2.0V) when selecting parts for 5V-tolerant applications.
This page synthesizes distributor pricing across nine sources, drop-in same-family alternatives, and practical USB design notes not consolidated on the manufacturer product page.
드롭인 대체품: PIC18LF26J53-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18LF26J53-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Core Architecture, Program Memory (Flash), Communication Interfaces.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18LF27J53-I/SO
✅ 드롭인✓ 재고 있음
$4.52 / 개
데이터시트 보기 →PIC18LF26J53T-I/SO
✅ 드롭인✓ 재고 있음
$2.78 / 개
데이터시트 보기 →PIC18F26J53-I/SO
✅ 드롭인✓ 재고 있음
$2.85 / 개
데이터시트 보기 →PIC18LF25K22-I/SO
✅ 드롭인✓ 재고 있음
$2.18 / 개
데이터시트 보기 →PIC18LF26J53-I/SO 최대 정격 & 전기적 특성
| Family | PIC18 J-series |
| Core | PIC18 8-bit RISC |
| Program Memory | 64 KB Flash (32K x 16) |
| RAM | 4 KB (3.8K x 8) |
| Maximum Clock Speed | 48 MHz |
| Performance | 12 MIPS |
| Supply Voltage (Vdd) | 2.0 V to 3.6 V |
| 동작 온도 | -40 C to +85 C (Industrial) |
| I/O Pins | 22 |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| Communication Interfaces | 2x I2C, 2x SPI, UART, USB |
| 패키지 | 28-SOIC (SO, 0.3 inch width) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| Low-Power Mode | nanoWatt XLP, Deep Sleep < 100 nA |
| Internal Regulator | 3.3V LDO for USB transceiver |
| Lead-Free | Yes |
PIC18LF26J53-I/SO 핀 구성
| 핀 1 | RE3/MCLR — Digital I/O / Master Clear (reset) input |
| 핀 2 | RA0/AN0 — Digital I/O / Analog input 0 |
| 핀 3 | RA1/AN1 — Digital I/O / Analog input 1 |
| 핀 4 | RA2/AN2/Vref- — Digital I/O / Analog input 2 / ADC negative reference |
| 핀 5 | RA3/AN3/Vref+ — Digital I/O / Analog input 3 / ADC positive reference |
| 핀 6 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| 핀 7 | RA5/AN4/SS — Digital I/O / Analog input 4 / SPI slave select |
| 핀 8 | Vss — Ground reference |
| 핀 9 | RA7/OSC1 — Digital I/O / Oscillator input 1 |
| 핀 10 | RA6/OSC2 — Digital I/O / Oscillator output 2 |
| 핀 11 | VDD — Positive supply voltage |
| 핀 12 | VSS — Ground reference |
| 핀 13 | RB0/AN12 — Digital I/O / Analog input 12 / interrupt-on-change |
| 핀 14 | RB1/AN10 — Digital I/O / Analog input 10 |
| 핀 15 | RB2/AN8 — Digital I/O / Analog input 8 |
| 핀 16 | RB3/AN9 — Digital I/O / Analog input 9 |
| 핀 17 | RB4/AN11 — Digital I/O / Analog input 11 |
| 핀 18 | VUSB — Internal USB 3.3V regulator output |
| 핀 19 | RB5/CCP5 — Digital I/O / Capture/Compare/PWM 5 |
| 핀 20 | RB6/PGC — Digital I/O / In-Circuit Debugger clock |
| 핀 21 | RB7/PGD — Digital I/O / In-Circuit Debugger data |
| 핀 22 | RC0 — Digital I/O |
| 핀 23 | RC1 — Digital I/O |
| 핀 24 | RC2 — Digital I/O |
| 핀 25 | RC6 — Digital I/O / UART TX |
| 핀 26 | RC7 — Digital I/O / UART RX |
| 핀 27 | RC4/D- — Digital I/O / USB D- data line |
| 핀 28 | RC5/D+ — Digital I/O / USB D+ data line |
일반적인 애플리케이션
PIC18LF26J53-I/SO 적합 용도: 6 애플리케이션s: USB HID Peripherals (Keyboards, Mice, Custom Input Devices), Low-Power Sensor Hubs and IoT Edge Nodes, Industrial Data Loggers with USB Connectivity, USB Barcode Scanners and POS Terminals, Consumer Electronics with USB Charging and Data Sync, Educational and Maker USB Development Boards.
USB HID Peripherals (Keyboards, Mice, Custom Input Devices)
The PIC18LF26J53-I/SO's integrated USB 2.0 full-speed transceiver and on-chip 3.3V regulator make it ideal for USB HID-class peripherals where BOM cost is critical. Its 48MHz/12 MIPS performance handles USB protocol stacks and HID report generation without an external PHY, while the 64KB Flash accommodates USB stacks plus application code. In a wired USB keyboard design, the MCU sits directly on the USB bus, presenting itself as a HID device; the integrated regulator powers the USB transceiver from VBUS, reducing external components versus competing MCUs that need an external 3.3V LDO. The 28-SOIC package fits standard through-hole-friendly footprints for human-interface devices.
추천
Low-Power Sensor Hubs and IoT Edge Nodes
The PIC18LF26J53-I/SO's nanoWatt XLP deep-sleep mode (below 100nA) and 2.0V-3.6V supply range support battery-powered sensor hubs running from a CR2032 coin cell or two-AA cells. The 10-bit ADC handles analog sensor reads, while the integrated timers and I2C/SPI connect to digital sensors. In a wireless sensor node, the MCU wakes from deep sleep, takes ADC/I2C readings, transmits over a companion radio, then returns to deep sleep. Compared to ARM Cortex-M0 alternatives, this part's sub-100nA sleep current extends battery life by 2-3x, critical for multi-year deployment IoT products.
추천
Industrial Data Loggers with USB Connectivity
The PIC18LF26J53-I/SO's industrial -40C to +85C temperature range, 64KB Flash for buffering, and integrated USB for data export make it a strong fit for industrial data loggers that record measurements and download them to a host PC. The 10-bit ADC captures analog process variables, while the timers schedule periodic sampling. In a temperature/humidity data logger design, the MCU buffers samples to internal RAM, then exports to a USB flash drive or host PC over the integrated USB when docked. The wide operating temperature supports factory-floor, outdoor cabinet, and refrigerated-chain deployments without thermal derating.
추천
USB Barcode Scanners and POS Terminals
The PIC18LF26J53-I/SO's integrated USB and 48MHz processing support handheld barcode scanner and POS terminal applications that need USB HID keyboard emulation or USB CDC virtual COM port output. The 4KB RAM handles scanner buffer and USB protocol stack, while the 22 I/O pins interface to scan engine modules, buzzers, and trigger buttons. In a USB barcode scanner, the MCU reads the scan engine, formats the data, and transmits it via USB HID keyboard mode; integrated USB eliminates the need for external PHY ICs versus competing MCUs, reducing PCB area by 30-40%.
추천
Consumer Electronics with USB Charging and Data Sync
The PIC18LF26J53-I/SO's USB device capability plus low-power operation makes it suitable for consumer devices that charge over USB and exchange data with a host PC or charger. The MCU can act as a USB device that negotiates charging profiles while presenting a data interface. In a smart wearable or fitness tracker charging cradle, the MCU identifies itself to USB hosts, performs data sync over USB CDC, and monitors charging status. The integrated 3.3V regulator simplifies the power tree versus designs that require an external LDO for the USB transceiver.
추천
Educational and Maker USB Development Boards
The PIC18LF26J53-I/SO's mature MPLAB X toolchain support, integrated USB, and 28-SOIC hand-solderable package make it popular in educational curricula and maker/hobby projects where students learn USB protocol implementation on an 8-bit platform. The 64KB Flash holds MPLAB X compiled code with USB stack libraries, while the SO package allows through-hole-friendly soldering on perfboard or breakout PCBs. In a maker USB MIDI controller project, the MCU reads buttons/encoders, transmits MIDI messages over USB, and the SOIC package simplifies hand-assembly versus QFN alternatives that need hot-air rework.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC18LF26J53-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18LF27J53-I/SO | PIC18LF26J53T-I/SO | PIC18F26J53-I/SO | PIC18LF25K22-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (SO, 0.3 inch) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 128 KB | 64 KB (identical die) | 64 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 1.5 KB |
| USB Transceiver | Integrated USB 2.0 FS | Integrated USB 2.0 FS | Integrated USB 2.0 FS | Integrated USB 2.0 FS | None (no USB) |
| Supply Voltage | 2.0 V to 3.6 V (LF) | 2.0 V to 3.6 V (LF) | 2.0 V to 3.6 V (LF) | 2.0 V to 3.6 V (F) | 1.8 V to 3.6 V (LF) |
| Max Clock Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 64 MHz |
| Low-Power Mode | nanoWatt XLP, <100 nA deep sleep | nanoWatt XLP, <100 nA deep sleep | nanoWatt XLP, <100 nA deep sleep | nanoWatt XLP, <100 nA deep sleep | nanoWatt XLP, <50 nA deep sleep |
| Automotive Grade | No (Industrial -40 to +85 C) | No (Industrial -40 to +85 C) | No (Industrial -40 to +85 C) | No (Industrial -40 to +85 C) | No (Industrial -40 to +85 C) |
주요 차별점
- Integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator (vs PIC18LF25K22-I/SO)
- Higher 64KB Flash memory (vs PIC18LF25K22-I/SO)
- Same-package drop-in upgrade path to 128KB Flash (vs PIC18LF26J53T-I/SO)
- nanoWatt XLP deep sleep current below 100nA (vs PIC18F26J53-I/SO)
설계 노트
The PIC18LF26J53-I/SO integrates a 3.3V LDO that powers the internal USB transceiver from the VBUS rail. For self-powered USB designs (where the device draws <100mA from VBUS), connect VUSB through a decoupling capacitor to ground as specified in the datasheet. For bus-powered designs, the internal regulator typically suffices, but adding a 4.7uF ceramic bypass on VUSB is recommended to suppress USB inrush transients. The MCU core runs from VDD (2.0-3.6V), separate from VUSB; this isolation allows the core to run at lower voltages while USB maintains regulation.
PCB layout for the 28-SOIC USB variant must follow Microchip's recommendations: keep the D+ (pin 28) and D- (pin 27) traces as a 90-ohm differential pair, length-matched within 2mm, and routed directly to the USB connector with no stubs. Place the VUSB decoupling capacitor (typically 4.7uF ceramic X7R) within 2mm of the VUSB pin. Avoid routing digital signals across the D+/D- pair to minimize crosstalk. The exposed SOIC pad is not present on this 28-SOIC variant, simplifying thermal dissipation versus QFN packages.
Common pitfalls include: (1) Confusing LF and F variants - the LF operates from 2.0V-3.6V (low voltage) while the F variant operates from 2.0V-3.6V but is specified for higher ambient temperatures and may have slightly different ADC reference behavior. (2) Forgetting to enable the internal USB regulator via configuration bits - without this, VUSB floats and USB enumeration fails. (3) Not configuring the PLLEN bit to enable the 4x PLL when using the internal 48MHz oscillator. (4) Using the wrong ICSP clock rate that exceeds the PIC18 debug module capability - stay below the datasheet's maximum PGC frequency.
Place a 0.1uF ceramic decoupling capacitor on VDD (pin 11) within 2mm, plus a bulk 10uF aluminum-polymer or tantalum capacitor on the same supply rail. The ICSP pins RB6/PGC (pin 20) and RB7/PGD (pin 21) must be brought out to a header for in-circuit debugging; adding a 4.7k pull-up on MCLR (pin 1) is standard. For USB self-powered devices, add a 10k pull-down on D+ to ensure a defined idle state when the host is disconnected.
규정 준수 정보
RoHS compliant per Microchip product page; PIC18LF26J53 family is industrial-grade -40C to +85C, not AEC-Q100 automotive qualified. No automotive-grade variant in the J53 family.
