PIC18LF47J53-I/ML - 8-Bit 48MHz 128KB Flash XLP MCU | Microchip
MPN: PIC18LF47J53-I/ML ✓ פעילPIC18LF47J53-I/ML סקירה
What is a PIC microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and peripherals (ADC, timers, communication interfaces) onto one die. PIC microcontrollers use a modified Harvard RISC architecture and are widely adopted for embedded control due to their deterministic instruction execution, mature toolchain, and broad peripheral selection. The PIC18F/LF family sits in the high-performance tier of Microchip's 8-bit portfolio, supporting C-compiled firmware and USB, CAN, and Ethernet peripherals.
Key features include an integrated 12-bit A/D converter with up to 13 input channels, multiple 16-bit timers, two USART, SPI, I2C interfaces, a full-speed USB 2.0 device/host/OTG controller, and 34 general-purpose digital I/O pins. The LF (low-power) suffix denotes the 2.0 V to 3.6 V operating range with XLP nanoWatt technology, achieving standby currents down to the nanoamp range.
The device uses a 16-bit modified Harvard instruction set with 8-bit data path, providing 12 MIPS throughput at 48 MHz. On-chip peripherals include the USB module with internal transceiver, comparators, CTMU for capacitive touch sensing, and an RTCC with calendar mode. The 44-QFN exposed-pad package enables efficient thermal dissipation in compact designs.
Typical applications include USB peripherals (HID, CDC, mass storage), battery-powered sensor nodes, capacitive touch user interfaces, home automation controllers, and low-power IoT edge nodes. The integrated USB and large Flash make it especially suitable for designs that need firmware upgradeability over USB.
When designing with this part, ensure the exposed pad is soldered to a sufficient copper pour for thermal relief and that decoupling capacitors (100 nF + 1 µF) are placed within 5 mm of each supply pin. For battery applications, leverage the nanoWatt sleep modes and the RTCC calendar mode to keep average current below 1 µA.
חלופות תחליף ישיר עבור PIC18LF47J53-I/ML — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC18LF47J53-I/ML (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Package, Core, USB, Communication.
PIC18F47J53-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18LF46J53-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18LF47J13-I/ML
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18LF45K40-I/ML
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18LF45J50-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18LF47J53-I/ML דירוגים מרביים ומאפיינים חשמליים
| Core | PIC18 (8-bit modified Harvard RISC) |
| Family | PIC® XLP™ 18J |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 3.8 KB |
| Operating Voltage (Vdd) | 2.0 V to 3.6 V |
| I/O Pins | 34 |
| ADC | 13-channel x 10/12-bit |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| Timers | Multiple 16-bit |
| Communication Interfaces | 2x USART, SPI, I2C |
| מארז | 44-QFN (8x8 mm) with exposed pad |
| סוג הרכבה | Surface Mount |
| טמפרטורת פעולה | -40C to +85C (industrial) |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC18LF47J53-I/ML
| פין 1 | RB5 — I/O port B bit 5 / PGM |
| פין 2 | RB4 — I/O port B bit 4 |
| פין 3 | RB3 — I/O port B bit 3 |
| פין 4 | RB2 — I/O port B bit 2 |
| פין 5 | RB1 — I/O port B bit 1 |
| פין 6 | RB0 — I/O port B bit 0 / INT0 |
| פין 7 | Vdd — Positive supply voltage (2.0-3.6V) |
| פין 8 | Vss — Ground reference |
| פין 9 | RC7 — I/O port C bit 7 / RX |
| פין 10 | RC6 — I/O port C bit 6 / TX |
| פין 11 | RC5 — I/O port C bit 5 / D+ |
| פין 12 | RC4 — I/O port C bit 4 / D- |
| פין 13 | D+ — USB data plus |
| פין 14 | D- — USB data minus |
| פין 15 | Vbus — USB Vbus sense input |
| פין 16 | RA3 — I/O port A bit 3 |
| פין 17 | RA2 — I/O port A bit 2 |
| פין 18 | RA1 — I/O port A bit 1 |
| פין 19 | RA0 — I/O port A bit 0 |
| פין 20 | Vss — Ground reference |
| פין 21 | RA5 — I/O port A bit 5 |
| פין 22 | RA4 — I/O port A bit 4 |
| פין 23 | RC2 — I/O port C bit 2 |
| פין 24 | RC1 — I/O port C bit 1 |
| פין 25 | RC0 — I/O port C bit 0 |
| פין 26 | RD0 — I/O port D bit 0 |
| פין 27 | RD1 — I/O port D bit 1 |
| פין 28 | RD2 — I/O port D bit 2 |
| פין 29 | RD3 — I/O port D bit 3 |
| פין 30 | RD4 — I/O port D bit 4 |
| פין 31 | RD5 — I/O port D bit 5 |
| פין 32 | RD6 — I/O port D bit 6 |
| פין 33 | RD7 — I/O port D bit 7 |
| פין 34 | Vss — Ground reference |
| פין 35 | RE0 — I/O port E bit 0 |
| פין 36 | RE1 — I/O port E bit 1 |
| פין 37 | RE2 — I/O port E bit 2 |
| פין 38 | AVdd — Analog positive supply |
| פין 39 | AVss — Analog ground |
| פין 40 | RA7 — I/O port A bit 7 / OSC1 |
| פין 41 | RA6 — I/O port A bit 6 / OSC2 |
| פין 42 | MCLR — Master clear / reset input |
| פין 43 | RB7 — I/O port B bit 7 |
| פין 44 | RB6 — I/O port B bit 6 / PGC |
| פין EP | EP — Exposed thermal pad - connect to Vss/ground plane |
יישומים טיפוסיים
PIC18LF47J53-I/ML מתאים עבור 6 יישוםs: USB HID Peripherals, Battery-Powered Sensor Nodes, Capacitive Touch User Interfaces, Home Automation Controllers, Medical Monitoring Devices, Industrial Control Interfaces.
USB HID Peripherals
The PIC18LF47J53-I/ML is engineered for USB Human Interface Devices thanks to its integrated USB 2.0 Full-Speed controller with on-chip transceiver, eliminating external PHY components. The 128 KB Flash easily accommodates USB stacks (Microchip's USB Framework) plus HID report descriptors and application firmware. Its 48 MHz core handles enumeration and polling at 1 ms intervals without CPU loading issues, while the nanoWatt sleep modes enable bus-powered designs drawing <100 µA suspend current.
מומלץ
Battery-Powered Sensor Nodes
For wireless and wired sensor nodes running from a CR2032 or 2xAA battery, the PIC18LF47J53-I/ML's XLP nanoWatt technology is critical. Standby currents below 1 µA extend coin-cell battery life to multiple years. The 13-channel 12-bit ADC provides sufficient resolution for temperature, humidity, and analog sensor interfaces, while the integrated RTCC with calendar mode timestamps measurements during sleep. The 2.0 V minimum Vdd supports direct CR2032 operation without boost circuitry.
מומלץ
Capacitive Touch User Interfaces
The PIC18LF47J53-I/ML integrates the CTMU (Charge Time Measurement Unit) peripheral, enabling robust capacitive touch sensing on up to 34 I/O pins without external components. This makes it ideal for control panels, appliance interfaces, and replacement of mechanical buttons with touch sliders. The 128 KB Flash accommodates Microchip's mTouch library plus application firmware, while the 44-QFN 8x8 mm footprint fits behind compact glass overlays with <2 mm border width.
מומלץ
Home Automation Controllers
For Zigbee/Z-Wave/WiFi gateway appliances and smart-home control hubs, the PIC18LF47J53-I/ML provides USB for host-mode connectivity to WiFi modules, plus UART/SPI/I2C for peripheral networking. Its 48 MHz CPU processes communication stacks and user-interface logic simultaneously. The wide 2.0-3.6 V range supports direct 3.3V operation from switching regulators common in home automation backplanes, while nanoWatt sleep maintains <1 mA standby in always-listening devices.
מומלץ
Medical Monitoring Devices
Portable medical devices such as pulse oximeters, glucometers, and wearable health monitors benefit from the PIC18LF47J53-I/ML's low-power operation and integrated USB for charging/PC data transfer. The 12-bit ADC captures precision analog signals from biosensors, while the RTCC timestamps patient measurements. Its 44-QFN exposed pad enables compact PCB designs that fit wrist-worn form factors, and the industrial -40C to +85C range supports typical healthcare environments.
מומלץ
Industrial Control Interfaces
Industrial HMIs, panel meters, and process controllers use the PIC18LF47J53-I/ML for its USB configuration port, multi-interface connectivity (2x USART, SPI, I2C), and 13 ADC channels. Industrial-grade -40C to +85C operating temperature ensures reliable operation in factory environments, while the 44-QFN package withstands typical vibration profiles. The 12 MIPS throughput handles Modbus RTU ASCII parsing, display updates, and sensor acquisition concurrently.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18LF47J53-I/ML — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC18F47J53-I/ML | PIC18LF46J53-I/ML | PIC18LF47J13-I/ML | PIC18LF45K40-I/ML | PIC18LF45J50-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-TQFP - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 64 KB | 128 KB | 32 KB | 32 KB |
| RAM | 3.8 KB | 3.8 KB | 3.8 KB | 3.8 KB | 2 KB | 2 KB |
| CPU Speed | 48 MHz (12 MIPS) | 48 MHz | 48 MHz | 48 MHz | 64 MHz | 48 MHz |
| Operating Voltage | 2.0 V to 3.6 V | 2.15 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 3.6 V |
| USB Peripheral | USB 2.0 FS Device/Host/OTG | USB 2.0 FS | USB 2.0 FS | No USB | No USB | USB 2.0 FS |
| ADC | 13 ch x 12-bit | 13 ch x 12-bit | 13 ch x 12-bit | 13 ch x 12-bit | 35 ch x 10-bit | 13 ch x 10-bit |
| I/O Pins | 34 | 34 | 34 | 34 | 34 | 34 |
מבדילים עיקריים
- Integrated USB 2.0 Full-Speed with on-chip transceiver (לעומתPIC18LF47J13-I/ML)
- 128 KB Flash versus 64 KB on lower-density variant (לעומתPIC18LF46J53-I/ML)
- Lower 2.0 V minimum Vdd versus 2.15 V on F variant (לעומתPIC18F47J53-I/ML)
הערות תכנון
The 44-QFN package requires the exposed pad (EP) to be soldered directly to a ground-plane copper pour on the top or inner PCB layer. Per Microchip layout guidelines, the EP should have a minimum of 9 thermal vias (0.3 mm drill, 0.6 mm pad) connecting to the internal ground plane for thermal dissipation and electrical grounding. Failing to solder the EP can cause thermal stress, electrical instability, and reduced operating temperature margin.
Place 100 nF ceramic decoupling capacitors within 5 mm of each Vdd pin and a single 10 µF bulk capacitor near the MCU. For USB applications, add 0.1 µF + 4.7 µF capacitors on the Vbus pin to handle inrush current when the device is bus-powered. The LF variant's 2.0 V minimum Vdd supports direct CR2032 battery operation without boost converter, simplifying battery-powered designs significantly.
When migrating from PIC18F to PIC18LF variants, verify the operating voltage does not drop below 2.0 V during battery end-of-life - the LF variant will brown-out while the F variant would continue operating. The 44-QFN is not pin-compatible with the 44-TQFP package used on related PIC18LF45J50, despite identical pin counts; PCB footprints must not be shared between these packages.
מידע על תאימות
RoHS and REACH compliance confirmed via Microchip product page and distributor listings. Standard Microchip conflict-minerals declaration applies. Not AEC-Q100 qualified; for automotive applications consult Microchip's AEC-Q100 catalog.
