PIC18LF47J53T-I/PT - 8-bit USB MCU, 128KB Flash, 48MHz | Microchip
부품 번호: PIC18LF47J53T-I/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.87 | $48.70 |
| 100 | $4.15 | $415.00 |
| 500 | $3.62 | $1,810.00 |
| 1,000 | $3.18 | $3,180.00 |
PIC18LF47J53T-I/PT 개요
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, Flash program memory, SRAM, peripherals, and I/O. Within the broader taxonomy, PIC18 MCUs sit between baseline PIC10/12/16 devices and the 16-bit PIC24/dsPIC families, and they belong to the microcontroller -> embedded processor -> semiconductor hierarchy. The XLP (eXtra Low Power) designation indicates Microchip's nanoWatt technology for sleep currents in the nanoamp range.
Key features include 128KB self-programmable Flash, 34 I/O pins, a 12-bit ADC with up to 13 channels, full-speed USB 2.0 device/host/OTG, mTouch capacitive touch sensing via the CTMU module, Real-Time Clock/Calendar (RTCC) with deep sleep mode, Peripheral Pin Select (PPS) for flexible I/O mapping, and an internal 48MHz oscillator. The 128KB Flash is organized as 64K x 16, while the 3.8KB RAM supports data buffering for USB endpoints and application stacks.
The architecture uses an enhanced Harvard design with a 16-bit instruction word and 8-bit data path, achieving up to 12 MIPS at 48MHz. The 12-bit ADC and the CTMU enable capacitive touch sensing without external components, while the USB SIE handles low-level protocol so that the CPU can focus on application code.
Typical applications include USB peripherals (HID, CDC, MSD), capacitive touch user interfaces, low-power sensor nodes, consumer electronics with battery charging, and industrial control panels. The combination of integrated USB and XLP nanoWatt deep sleep eliminates external peripheral ICs and reduces BOM cost.
When designing, evaluate the 2.0V to 3.6V supply range carefully because the LF variant cannot operate above 3.6V; for 5V-tolerant designs use the F variant PIC18F47J53. Also, plan PPS mapping early because once firmware is built around a pin assignment, mid-project changes require re-compiling with a new PPS configuration.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
드롭인 대체품: PIC18LF47J53T-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18LF47J53T-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Operating Temperature, Package, USB, I/O Pins, Comparators.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18LF47J53-I/PT
✅ 드롭인✓ 재고 있음
$2.28 / 개
데이터시트 보기 →PIC18F47J53-I/PT
✅ 드롭인✓ 재고 있음
$3.65 / 개
데이터시트 보기 →PIC18F47J53T-I/PT
✅ 드롭인✓ 재고 있음
$4.3 / 개
데이터시트 보기 →PIC18LF46J53T-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18F46J53-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC18LF47J53T-I/PT 최대 정격 & 전기적 특성
| Core Architecture | PIC 8-bit enhanced Harvard |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM Size | 3.8 KB (3.8K x 8) |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Operating Voltage (Vdd) | 2.0 V to 3.6 V |
| Number of I/O Pins | 34 |
| 패키지 | 44-TQFP (PT) 10x10 mm |
| USB | USB 2.0 Full-Speed device/host/OTG |
| Internal Oscillator | Yes, 48 MHz |
| 동작 온도 | -40C to +85C (industrial) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| Family | PIC18 XLP 18J |
| Peripheral Pin Select (PPS) | Yes |
| RTCC Module | Yes (with deep sleep) |
PIC18LF47J53T-I/PT 핀 구성
| 핀 1 | RA0/AN0/C1INA/ULPWU — Port A bit 0; analog input 0; comparator 1 input A; ultra-low-power wake-up |
| 핀 2 | RA1/AN1/C1INB/CTCMP — Port A bit 1; analog input 1; comparator 1 input B; CTMU comparator |
| 핀 3 | RA2/AN2/Vref-/CVref — Port A bit 2; analog input 2; ADC negative reference; comparator voltage reference |
| 핀 4 | RA3/AN3/Vref+/C1IND — Port A bit 3; analog input 3; ADC positive reference; comparator 1 input D |
| 핀 5 | RA4/AN4/C1INC — Port A bit 4; analog input 4; comparator 1 input C |
| 핀 6 | RA5/AN5 — Port A bit 5; analog input 5 |
| 핀 7 | RA6/OSC2/CLKO — Port A bit 6; crystal oscillator output; clock output |
| 핀 8 | RA7/OSC1/CLKI — Port A bit 7; crystal oscillator input; clock input |
| 핀 9 | Vss — Ground reference |
| 핀 10 | RC0/SOSCO — Port C bit 0; secondary oscillator output (RTCC) |
| 핀 11 | Vdd — Positive supply voltage (2.0V to 3.6V) |
| 핀 12 | RC1/SOSCI — Port C bit 1; secondary oscillator input (RTCC) |
| 핀 13 | RC2/AN6/D-/VMO — Port C bit 2; analog input 6; USB D-; LCD segment V0 monitor output |
| 핀 14 | RC3/AN7/D+/VPO — Port C bit 3; analog input 7; USB D+; LCD segment V+ output |
| 핀 15 | RC4/AN8 — Port C bit 4; analog input 8 |
| 핀 16 | RC5/AN9 — Port C bit 5; analog input 9 |
| 핀 17 | RC6/AN10 — Port C bit 6; analog input 10 |
| 핀 18 | RC7/AN11 — Port C bit 7; analog input 11 |
| 핀 19 | Vss — Ground reference |
| 핀 20 | Vdd — Positive supply voltage (2.0V to 3.6V) |
| 핀 21 | RB0/AN12/FLT0/SDI — Port B bit 0; analog input 12; PWM fault input; SPI data in |
| 핀 22 | RB1/AN10/SDO — Port B bit 1; analog input 10; SPI data out |
| 핀 23 | RB2/AN8/SDI — Port B bit 2; analog input 8; SPI data in (alternate) |
| 핀 24 | RB3/AN9/SCK — Port B bit 3; analog input 9; SPI clock |
| 핀 25 | RB4/AN11/SCL — Port B bit 4; analog input 11; I2C clock |
| 핀 26 | RB5/AN13/SDA — Port B bit 5; analog input 13; I2C data |
| 핀 27 | RB6/PGC — Port B bit 6; ICSP clock |
| 핀 28 | RB7/PGD — Port B bit 7; ICSP data |
| 핀 29 | RE0/P2D — Port E bit 0; enhanced PWM output |
| 핀 30 | RE1/P2C — Port E bit 1; enhanced PWM output |
| 핀 31 | RE2/P2B — Port E bit 2; enhanced PWM output |
| 핀 32 | RE3/P2A — Port E bit 3; enhanced PWM output |
| 핀 33 | MCLR/RE4 — Master clear (reset) input; Port E bit 4 |
| 핀 34 | RD0 — Port D bit 0 |
| 핀 35 | RD1 — Port D bit 1 |
| 핀 36 | RD2 — Port D bit 2 |
| 핀 37 | RD3 — Port D bit 3 |
| 핀 38 | RD4 — Port D bit 4 |
| 핀 39 | RD5 — Port D bit 5 |
| 핀 40 | RD6 — Port D bit 6 |
| 핀 41 | RD7 — Port D bit 7 |
| 핀 42 | Vss — Ground reference |
| 핀 43 | Vdd — Positive supply voltage (2.0V to 3.6V) |
| 핀 44 | NC — Not connected (per datasheet) |
일반적인 애플리케이션
PIC18LF47J53T-I/PT 적합 용도: 6 애플리케이션s: USB HID Peripherals, Capacitive Touch User Interfaces, Low-Power Sensor Nodes, Industrial Control Panels, Consumer USB Chargers and Dongles, Battery-Powered Medical Devices.
USB HID Peripherals
The PIC18LF47J53T-I/PT is purpose-built for USB Human Interface Devices such as keyboards, mice, game controllers, and custom input peripherals. Its integrated USB 2.0 full-speed transceiver and Serial Interface Engine handle low-level protocol framing, freeing the 48MHz core to manage HID report generation and button debouncing. The 128KB Flash accommodates USB stack plus HID class drivers and application code without external memory, while 3.8KB RAM buffers HID reports and endpoint transactions. The 2.0V to 3.6V Vdd range suits Li-ion or alkaline battery-powered peripherals, and XLP nanoWatt deep sleep drops the suspend current below 1 microamp so battery life targets of 6 to 12 months on a pair of AA cells are achievable.
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Capacitive Touch User Interfaces
The PIC18LF47J53T-I/PT's integrated CTMU (Charge Time Measurement Unit) module enables capacitive touch sensing on up to 13 channels using standard PCB copper pads - no external touch IC required. The 12-bit ADC plus CTMU deliver sub-pF resolution for reliable touch detection through 3mm glass or 5mm plastic overlays, while the 48MHz core runs the Microchip mTouch library for slider, wheel, and matrix touch patterns. The 128KB Flash hosts the touch algorithm alongside application code, and the 34 I/O pins support matrix touch key arrays up to 5x5. XLP deep sleep keeps idle current below 5 microamps, making battery-powered touch remote controls practical.
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Low-Power Sensor Nodes
The PIC18LF47J53T-I/PT's XLP nanoWatt technology delivers sleep currents under 1 microamp, and the RTCC module with deep sleep mode keeps a calendar running on a single coin cell for over 10 years. The 12-bit ADC captures sensor data from thermistors, photodiodes, or battery monitors, while the 48MHz core wakes on interrupt to transmit readings via USB or UART before returning to sleep. The 2.0V to 3.6V Vdd supports direct Li-MnO2 primary cell operation down to 2.0V where the F variant would brown-out, and the 128KB Flash stores calibration tables and wireless protocol stacks for Sub-GHz radio daughter boards.
추천
Industrial Control Panels
The PIC18LF47J53T-I/PT's industrial -40C to +85C operating range, 34 I/O pins, and 12-bit ADC suit factory-floor control panels with analog sensor inputs and discrete outputs. The Peripheral Pin Select (PPS) module allows UART, SPI, and I2C peripherals to be remapped to any GPIO, simplifying PCB routing when mechanical layout forces specific pin assignments. The 128KB Flash hosts real-time control loops, Modbus RTU slave firmware, and HMI drivers for character LCDs or OLEDs, while the 3.8KB RAM supports Modbus buffers and command queues. The USB port enables field firmware upgrades via standard USB flash drives or host PCs.
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Consumer USB Chargers and Dongles
The PIC18LF47J53T-I/PT fits USB charging dongles, security tokens, and consumer peripherals that must enumerate as USB devices while remaining inexpensive. The integrated USB SIE eliminates the need for an external USB controller IC, and the 128KB Flash hosts USB class firmware plus authentication or proprietary protocols. The 2.0V to 3.6V Vdd suits direct Li-ion or LiPo operation, while XLP sleep modes keep standby power below USB suspend limits. The 34 I/O drive status LEDs, button inputs, and I2C peripherals for accessory communication, and the 44-TQFP package is JEDEC-standard for cost-effective SMT assembly.
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Battery-Powered Medical Devices
The PIC18LF47J53T-I/PT's combination of low-voltage 2.0V to 3.6V operation, XLP deep sleep, USB connectivity, and 12-bit ADC serves portable medical devices such as glucose meters, pulse oximeters, and pill reminders. The 128KB Flash stores FDA-traceable firmware with revision history, while the 3.8KB RAM supports measurement buffers and BLE/WiFi co-processor interfaces over UART/SPI. The CTMU module enables capacitive electrode sensing for medical-grade touch interfaces, and the RTCC schedules medication reminders with year-long battery life. The industrial temperature range accommodates refrigerated and tropical distribution environments.
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추천 제품 요약
엔지니어링 참조 데이터: PIC18LF47J53T-I/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18LF47J53-I/PT | PIC18F47J53-I/PT | PIC18F47J53T-I/PT | PIC18LF46J53T-I/PT | PIC18F46J53-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (PT) 10x10 mm | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same |
| Program Memory (Flash) | 128 KB | 128 KB (same) | 128 KB (same) | 128 KB (same) | 64 KB (-50%) | 64 KB (-50%) |
| RAM Size | 3.8 KB | 3.8 KB (same) | 3.8 KB (same) | 3.8 KB (same) | 3.8 KB (same) | 3.8 KB (same) |
| Operating Voltage (Vdd) | 2.0 V to 3.6 V | 2.0 V to 3.6 V (same) | 2.15 V to 3.6 V | 2.15 V to 3.6 V | 2.0 V to 3.6 V (same) | 2.15 V to 3.6 V |
| Maximum CPU Speed | 48 MHz | 48 MHz (same) | 48 MHz (same) | 48 MHz (same) | 48 MHz (same) | 48 MHz (same) |
| USB 2.0 Support | Yes (Full-Speed) | Yes (same) | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
| CTMU Capacitive Touch | Yes | Yes (same) | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
| Voltage Variant | LF (low-voltage, 2.0V min) | LF (same) | F (standard, 2.15V min) | F (standard, 2.15V min) | LF (same) | F (standard, 2.15V min) |
| Carrier Packaging | Tape & Reel | Tray | Tray | Tape & Reel (same) | Tape & Reel (same) | Tray |
주요 차별점
- Wider low-voltage operating range (2.0V to 3.6V) versus standard F variant (2.15V to 3.6V) (vs PIC18F47J53-I/PT)
- 128KB Flash versus 64KB Flash on 46J53 sibling (vs PIC18LF46J53T-I/PT)
- Industrial -40C to +85C operating range (vs Consumer-grade PIC16 alternatives)
설계 노트
The PIC18LF47J53T-I/PT operates from 2.0V to 3.6V. Decouple Vdd with a 100nF ceramic capacitor placed within 5mm of pins 11, 20, and 43, plus a bulk 4.7uF or 10uF tantalum or ceramic on the same Vdd node. Multiple Vdd pins must each be decoupled; do not tie one Vdd pin to a different supply rail or omit a pin's bypass cap. For USB bus-powered designs, ensure Vdd stays above 3.0V during USB enumeration by adding a 22uF bulk cap on Vdd to handle the inrush transient.
The MCLR pin (33) requires a 10k pull-up to Vdd for normal operation. Leaving MCLR floating or tying it directly to Vdd without the pull-up can cause spurious resets during power-up or noise transients. Also note that pin 33 doubles as RE4 GPIO; if MCLR is disabled in the configuration bits, RE4 becomes a regular GPIO but the pin must still be terminated to avoid floating-input leakage. The PIC18LF47J53T-I/PT requires configuration bits set via ICSP before code execution - leaving CONFIG1 or CONFIG2 at default (erased) values will result in unexpected oscillator and watchdog behavior.
For USB designs, the D+ (pin 14) and D- (pin 13) traces must be routed as a 90-ohm differential pair with matched lengths within 2mm, and the Vdd core supply must be clean within USB suspend current limits (<2.5mA when not active). Place the USB ferrite bead or common-mode choke close to the USB connector shield to suppress EMI. The internal 48MHz oscillator with 8x PLL drives the USB SIE; for crystal-accurate USB, use an external 48MHz crystal on OSC1/OSC2 (pins 8 and 7) rather than the internal oscillator to meet USB timing skew requirements.
규정 준수 정보
RoHS compliant per Microchip product page. AEC-Q100 not qualified - this is an industrial-grade part, not automotive. For automotive applications use AEC-Q100-qualified PIC18F variants from the same family.