PIC18LF47J53-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip
Артикул: PIC18LF47J53-I/PT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 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 Обзор
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.
Аналоги без доработки для PIC18LF47J53-I/PT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC18LF47J53-I/PT (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Timers, Operating Temperature, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC18F47J53-I/PT
✅ Прямая замена✓ В наличии
$3.65 / шт.
Открыть даташит →PIC18LF47J53-I/ML
✅ Прямая замена✓ В наличии
$4.42 / шт.
Открыть даташит →PIC18LF46J53-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC18F46J53-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC18LF45J50-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$2.85 / шт.
Открыть даташит →PIC18LF47J53-I/PT Максимальные параметры и электрические характеристики
| 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 |
| Корпус | 44-pin TQFP (10x10 mm) |
| Тип монтажа | Surface Mount |
| Рабочая температура | -40 C to +85 C (Industrial) |
| Deep Sleep Current | Less than 100 nA (typical, RAM retention) |
| Peripheral Pin Select (PPS) | Yes |
| Статус RoHS | Compliant |
Конфигурация выводов PIC18LF47J53-I/PT
| Контакт 1 | RA0/AN0/CVD7 — PORTA bit 0; analog input 0; CVD channel 7 |
| Контакт 2 | RA1/AN1 — PORTA bit 1; analog input 1 |
| Контакт 3 | RA2/AN2/Vref- — PORTA bit 2; analog input 2; ADC Vref- |
| Контакт 4 | RA3/AN3/Vref+ — PORTA bit 3; analog input 3; ADC Vref+ |
| Контакт 5 | RA5/D+/VDD — PORTA bit 5; USB D+; alternate VDD input |
| Контакт 6 | RA4/D-/VDD — PORTA bit 4; USB D-; alternate VDD input |
| Контакт 7 | VSS — Ground reference |
| Контакт 8 | VDD — Positive supply (2.0V-3.6V) |
| Контакт 9 | RB0/AN12 — PORTB bit 0; analog input 12 |
| Контакт 10 | RB1/AN10 — PORTB bit 1; analog input 10 |
| Контакт 11 | RB2/AN8 — PORTB bit 2; analog input 8 |
| Контакт 12 | RB3/AN9 — PORTB bit 3; analog input 9 |
| Контакт 13 | RB4/CCP4 — PORTB bit 4; capture/compare/PWM 4 |
| Контакт 14 | RB5/CCP5 — PORTB bit 5; capture/compare/PWM 5 |
| Контакт 15 | RB6/PGC — PORTB bit 6; ICSP clock |
| Контакт 16 | RB7/PGD — PORTB bit 7; ICSP data |
| Контакт 17 | VUSB3V3 — USB 3.3V regulator output |
| Контакт 18 | RC0/SOSCO — PORTC bit 0; secondary oscillator output |
| Контакт 19 | RC1/SOSCI — PORTC bit 1; secondary oscillator input |
| Контакт 20 | RC2 — PORTC bit 2 |
| Контакт 21 | RC3/SCL — PORTC bit 3; I2C clock |
| Контакт 22 | RC4/SDA — PORTC bit 4; I2C data |
| Контакт 23 | RC5 — PORTC bit 5 |
| Контакт 24 | RC6 — PORTC bit 6 |
| Контакт 25 | RC7 — PORTC bit 7 |
| Контакт 26 | RD0 — PORTD bit 0 |
| Контакт 27 | RD1 — PORTD bit 1 |
| Контакт 28 | RD2 — PORTD bit 2 |
| Контакт 29 | RD3 — PORTD bit 3 |
| Контакт 30 | RD4 — PORTD bit 4 |
| Контакт 31 | RD5 — PORTD bit 5 |
| Контакт 32 | RD6 — PORTD bit 6 |
| Контакт 33 | RD7 — PORTD bit 7 |
| Контакт 34 | RE0 — PORTE bit 0 |
| Контакт 35 | RE1 — PORTE bit 1 |
| Контакт 36 | RE2 — PORTE bit 2 |
| Контакт 37 | VSS — Ground reference |
| Контакт 38 | VDD — Positive supply (2.0V-3.6V) |
| Контакт 39 | OSC1/CLKIN — Crystal oscillator input |
| Контакт 40 | OSC2/CLKOUT — Crystal oscillator output |
| Контакт 41 | RF0 — PORTF bit 0 |
| Контакт 42 | RF1 — PORTF bit 1 |
| Контакт 43 | RF2 — PORTF bit 2 |
| Контакт 44 | RF3 — PORTF bit 3 |
Типичное применение
PIC18LF47J53-I/PT подходит для 6 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC18LF47J53-I/PT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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) |
Ключевые отличия
- Highest Flash density in PIC18LF J5x family at 128 KB (против PIC18LF45J50-I/PT)
- Pin-compatible upgrade path with deep-sleep mode (против PIC18LF46J53-I/PT)
- 44-pin TQFP variant for through-hole-friendly rework (против PIC18LF47J53-I/ML)
Заметки по проектированию
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.
Информация о соответствии
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.