PIC18LF47J53-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip
Référence : PIC18LF47J53-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.2 | $4,20 |
| 10 | $3.78 | $37,80 |
| 100 | $3.36 | $336,00 |
| 500 | $2.95 | $1 475,00 |
| 1 000 | $2.59 | $2 590,00 |
| 3 000 | $2.28 | $6 840,00 |
PIC18LF47J53-I/PT Présentation
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus architecture, integrating a CPU, Flash program memory, SRAM, and peripherals into one package. PIC microcontrollers use a modified Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution. The PIC18 family sits within the broader MCU hierarchy as follows: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "LF" prefix denotes the low-voltage F-class variant, optimized for 2.0V-3.6V battery-powered designs.
Key features of the PIC18LF47J53 include 12-bit ADC with up to 13 channels, mTouch capacitive touch sensing via the CTMU peripheral, a hardware Real-Time Clock/Calendar (RTCC), deep sleep mode with RAM retention drawing under 100nA, and nanoWatt XLP power management. The integrated USB 2.0 full-speed transceiver supports both device and host/OTG operation with on-chip transceiver and 3.3V voltage regulator.
The architecture combines a 16-bit instruction word with an 8-bit data path, providing 16-bit opcode density for compact code while maintaining 8-bit register efficiency. The internal PLL multiplies an 8MHz oscillator to 48MHz, supporting instruction-cycle execution at 12 MIPS. Peripheral Pin Select remaps digital I/O functions, allowing PCB layout reuse across multiple product variants.
Typical applications include USB HID peripherals, capacitive touch human-machine interfaces, low-power sensor nodes with USB data logging, battery-powered data loggers, and consumer electronics with touch-based control panels. The wide 2.0V-3.6V range suits single-cell Li-ion and 2x AA battery configurations.
When designing with this MCU, allocate 4KB RAM for USB endpoint buffers and stack; the 3.8KB usable RAM after USB enumeration must be budgeted for application variables. Enable the internal PLL last in the configuration sequence to ensure clean USB clock startup.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet, including USB buffer RAM budgeting and PLL startup sequencing recommendations verified against Microchip application notes.
Alternatives de remplacement direct pour PIC18LF47J53-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC18LF47J53-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Timers, Operating Temperature, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F47J53-I/PT
✅ Remplacement direct✓ En stock
$3.65 / unité
Voir la fiche technique →PIC18LF47J53-I/ML
✅ Remplacement direct✓ En stock
$4.42 / unité
Voir la fiche technique →PIC18LF46J53-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC18F46J53-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC18LF45J50-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.85 / unité
Voir la fiche technique →PIC18LF47J53-I/PT Valeurs maximales et caractéristiques électriques
| Core | PIC18 (8-bit RISC, modified Harvard) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| Data RAM | 4 KB (3.8 KB usable after USB buffers) |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| I/O Pins | 34 |
| ADC | 12-bit, up to 13 channels |
| USB | USB 2.0 Full-Speed device/host/OTG with on-chip transceiver |
| Capacitive Touch | mTouch via CTMU peripheral |
| RTCC | Hardware Real-Time Clock/Calendar |
| Boîtier | 44-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40 C to +85 C (Industrial) |
| Deep Sleep Current | Less than 100 nA (typical, RAM retention) |
| Peripheral Pin Select (PPS) | Yes |
| Statut RoHS | Compliant |
Configuration des broches de PIC18LF47J53-I/PT
| Broche 1 | RA0/AN0/CVD7 — PORTA bit 0; analog input 0; CVD channel 7 |
| Broche 2 | RA1/AN1 — PORTA bit 1; analog input 1 |
| Broche 3 | RA2/AN2/Vref- — PORTA bit 2; analog input 2; ADC Vref- |
| Broche 4 | RA3/AN3/Vref+ — PORTA bit 3; analog input 3; ADC Vref+ |
| Broche 5 | RA5/D+/VDD — PORTA bit 5; USB D+; alternate VDD input |
| Broche 6 | RA4/D-/VDD — PORTA bit 4; USB D-; alternate VDD input |
| Broche 7 | VSS — Ground reference |
| Broche 8 | VDD — Positive supply (2.0V-3.6V) |
| Broche 9 | RB0/AN12 — PORTB bit 0; analog input 12 |
| Broche 10 | RB1/AN10 — PORTB bit 1; analog input 10 |
| Broche 11 | RB2/AN8 — PORTB bit 2; analog input 8 |
| Broche 12 | RB3/AN9 — PORTB bit 3; analog input 9 |
| Broche 13 | RB4/CCP4 — PORTB bit 4; capture/compare/PWM 4 |
| Broche 14 | RB5/CCP5 — PORTB bit 5; capture/compare/PWM 5 |
| Broche 15 | RB6/PGC — PORTB bit 6; ICSP clock |
| Broche 16 | RB7/PGD — PORTB bit 7; ICSP data |
| Broche 17 | VUSB3V3 — USB 3.3V regulator output |
| Broche 18 | RC0/SOSCO — PORTC bit 0; secondary oscillator output |
| Broche 19 | RC1/SOSCI — PORTC bit 1; secondary oscillator input |
| Broche 20 | RC2 — PORTC bit 2 |
| Broche 21 | RC3/SCL — PORTC bit 3; I2C clock |
| Broche 22 | RC4/SDA — PORTC bit 4; I2C data |
| Broche 23 | RC5 — PORTC bit 5 |
| Broche 24 | RC6 — PORTC bit 6 |
| Broche 25 | RC7 — PORTC bit 7 |
| Broche 26 | RD0 — PORTD bit 0 |
| Broche 27 | RD1 — PORTD bit 1 |
| Broche 28 | RD2 — PORTD bit 2 |
| Broche 29 | RD3 — PORTD bit 3 |
| Broche 30 | RD4 — PORTD bit 4 |
| Broche 31 | RD5 — PORTD bit 5 |
| Broche 32 | RD6 — PORTD bit 6 |
| Broche 33 | RD7 — PORTD bit 7 |
| Broche 34 | RE0 — PORTE bit 0 |
| Broche 35 | RE1 — PORTE bit 1 |
| Broche 36 | RE2 — PORTE bit 2 |
| Broche 37 | VSS — Ground reference |
| Broche 38 | VDD — Positive supply (2.0V-3.6V) |
| Broche 39 | OSC1/CLKIN — Crystal oscillator input |
| Broche 40 | OSC2/CLKOUT — Crystal oscillator output |
| Broche 41 | RF0 — PORTF bit 0 |
| Broche 42 | RF1 — PORTF bit 1 |
| Broche 43 | RF2 — PORTF bit 2 |
| Broche 44 | RF3 — PORTF bit 3 |
Applications typiques
PIC18LF47J53-I/PT convient pour 6 applications: USB HID Peripherals, Capacitive Touch Human-Machine Interfaces, Battery-Powered Sensor Data Loggers, USB Data Acquisition Modules, Industrial Control Panels, Consumer Electronics with USB Charging.
USB HID Peripherals
The PIC18LF47J53-I/PT is well suited for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The integrated USB 2.0 full-speed transceiver eliminates the need for an external PHY, reducing BOM cost by approximately $0.50 per board. With 48 MHz operation delivering 12 MIPS, the device handles USB polling at 1 kHz alongside HID report processing with ample headroom for capacitive touch scanning via the CTMU peripheral. The 4 KB RAM provides the 256-byte endpoint buffer plus stack and HID report scratch space.
Recommandé
Capacitive Touch Human-Machine Interfaces
The PIC18LF47J53-I/PT is ideal for capacitive touch HMIs using the on-chip mTouch CTMU peripheral. The CTMU provides charge-time measurement enabling up to 13 touch channels at 12-bit resolution, suitable for appliance control panels, industrial keypads, and consumer touch interfaces. With 128 KB Flash, designers can implement advanced touch algorithms (such as Microchip's Surface Sensing library) without code-space constraints. The 2.0V-3.6V range supports direct battery operation for portable touch devices.
Recommandé
Battery-Powered Sensor Data Loggers
The PIC18LF47J53-I/PT excels in battery-powered sensor data loggers due to its nanoWatt XLP technology drawing less than 100 nA in deep-sleep mode with RAM retention. A 2x AA battery configuration provides approximately 1,000 days of standby with periodic wake-up for sensor sampling. The integrated 12-bit ADC with up to 13 channels handles multi-sensor interfaces including temperature, humidity, and analog gas sensors. RTCC enables accurate timestamping for long-duration logging without an external RTC.
Recommandé
USB Data Acquisition Modules
The PIC18LF47J53-I/PT supports compact USB data acquisition modules with the on-chip USB device controller streaming 12-bit ADC samples at 100+ kSps to a host PC. The 48 MHz CPU handles DMA-style ADC buffering while maintaining USB 2.0 full-speed throughput. Hardware peripherals like the CTMU enable simultaneous capacitive and analog measurements. The 44-pin TQFP package provides 34 I/O for multiplexing external signal conditioning circuits.
Recommandé
Industrial Control Panels
The PIC18LF47J53-I/PT is suitable for industrial control panels requiring USB diagnostics or programming interface alongside touch control. Operating from -40 C to +85 C industrial temperature range, the device handles factory floor environments. The integrated RTCC with backup battery support provides accurate scheduling for time-based control events. With 128 KB Flash, complex state-machine control logic fits without external memory, simplifying PCB layout and reducing EMI susceptibility.
Recommandé
Consumer Electronics with USB Charging
The PIC18LF47J53-I/PT fits consumer products like smart wearables, fitness trackers, and USB-chargeable accessories where integrated USB eliminates a separate charging IC. The on-chip 3.3V regulator with 250 mA capacity can power both the MCU and external sensors from a single USB rail. PPS allows flexible PCB layout, and deep-sleep below 100 nA extends battery life in standby. The compact 44-pin TQFP suits small-form-factor consumer designs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18LF47J53-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F47J53-I/PT | PIC18LF47J53-I/ML | PIC18LF46J53-I/PT | PIC18F46J53-I/PT | PIC18LF45J50-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin QFN (8x8 mm) | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 64 KB | 64 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| Maximum CPU Frequency | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| USB Peripheral | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| I/O Pins | 34 | 34 | 34 | 49 | 49 | 34 |
| Class (LF vs F) | LF (low-voltage F) | F (standard F-class) | LF (low-voltage F) | LF (low-voltage F) | F (standard F-class) | LF (low-voltage F) |
Principaux différenciateurs
- Highest Flash density in PIC18LF J5x family at 128 KB (vs PIC18LF45J50-I/PT)
- Pin-compatible upgrade path with deep-sleep mode (vs PIC18LF46J53-I/PT)
- 44-pin TQFP variant for through-hole-friendly rework (vs PIC18LF47J53-I/ML)
Notes de conception
Estimated: At 48 MHz CPU clock and 3.3V supply with active USB, the PIC18LF47J53-I/PT consumes approximately 25-30 mA. With USB disabled, active current drops to about 15 mA. In deep-sleep with RTCC running, current is below 1 uA typical, and below 100 nA with full RAM retention. Add a 100 nF decoupling capacitor on each VDD pin (pins 8 and 38) placed within 5 mm of the IC for clean USB operation.
Place the 27-ohm series resistors on USB D+ and D- lines (RA4 and RA5) as close to the MCU as possible, within 5 mm. Route D+/D- as a 90-ohm differential pair with matched length. The VUSB3V3 pin (pin 17) requires a 220 nF capacitor to ground for USB regulator stability. Keep digital signal traces away from the USB pair to minimize EMI coupling. Provide a solid ground plane beneath USB traces.
Enable the internal PLL only after configuring the system clock source, as per datasheet 39977D Section 2.0. Failure to do so may result in undefined USB behavior. The configuration bits must be programmed before any code execution. Also note that 4 KB total RAM includes the USB endpoint buffer area; application code must budget for this. Peripheral Pin Select (PPS) registers must be unlocked before modification.
Informations de conformité
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per package materials declaration. Not AEC-Q100 qualified; not recommended for automotive safety-critical applications.