PIC18F47J53T-I/PT - 8-bit 48MHz USB MCU 128KB Flash | Microchip
MPN: PIC18F47J53T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.8 | $6.80 |
| 10 | $6.1 | $61.00 |
| 100 | $5.4 | $540.00 |
| 500 | $4.85 | $2,425.00 |
| 1,000 | $4.3 | $4,300.00 |
PIC18F47J53T-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. The PIC18F47J53 belongs to the PIC18J sub-family, which emphasizes low power, high memory density, and integrated USB. Within the broader taxonomy, an 8-bit MCU sits under the wider class of microcontrollers, which are themselves a category of embedded processors and a foundational type of semiconductor device used in nearly every electronic system.
Key features include the Peripheral Pin Select (PPS) system that allows digital peripherals to be remapped to any I/O pin, an RTCC module for real-time-clock applications, full-speed USB 2.0 with on-chip transceiver, 256 bytes of EEPROM, and a hardware RTCC with timestamp capability. The CTMU peripheral supports mTouch capacitive touch and general-purpose current sources. The device is pin-compatible with several PIC18 families (PIC18F4550, PIC18F2450, PIC18F46J50) which simplifies migration paths and design reuse.
Typical applications include USB peripherals (HID, CDC, MSD), capacitive touch user interfaces, low-power battery-powered sensor hubs, automotive AEC-Q100 systems (where the automotive-grade variant is qualified), and industrial control panels. The wide input voltage range and deep-sleep current in the nanoampere range suit long-life, energy-harvesting, and portable designs.
When designing with this MCU, configure PPS only after confirming the desired mapping in the device datasheet, place the VUSB decoupling network (typically 10uF and 0.1uF) close to the VUSB pin, and ensure the 48MHz oscillator is configured for the correct PLL mode. The deep-sleep mode can drop quiescent current below typical USB-suspend requirements.
This page synthesizes distributor pricing, pin-compatible PIC18 drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC18F47J53T-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18F47J53T-I/PT (same form factor and footprint) — differing in I/O Pins, Operating Temperature, Package, ADC, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F47J53-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F46J53T-I/PT
✅ Drop-In✓ In Stock
$2.78 / Unit
View Datasheet →PIC18F46J50T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F4550T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F2450T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F47J53T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC18 8-bit RISC |
| Series | PIC18F XLP 18J |
| Program Memory | 128 KB (64K x 16) Flash |
| RAM | 4 KB |
| EEPROM | 256 bytes (per family datasheet) |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (industrial grade) |
| USB | USB 2.0 Full-Speed (12 Mbps), on-chip transceiver |
| ADC | 12-bit, up to 13 channels |
| Comparators | 2 |
| PWM (ECCP) | 2 ECCP modules |
| Peripheral Pin Select (PPS) | Yes |
| RTCC | Yes, hardware real-time clock calendar |
| CTMU / mTouch | Yes |
| I/O Pins | 34 (approx., per datasheet pinout) |
| Package | 44-pin TQFP (10x10 mm), Tape & Reel |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Automotive Grade | AEC-Q100 (per Arrow listing) |
| Pin-Compatible Family | PIC18F4550, PIC18F2450, PIC18F46J50 |
PIC18F47J53T-I/PT Pin Configuration
| Pin 1 | RP3/RB3 — I/O port B bit 3 / remappable peripheral |
| Pin 2 | RP4/RB4 — I/O port B bit 4 / remappable peripheral |
| Pin 3 | RP5/RB5 — I/O port B bit 5 / remappable peripheral |
| Pin 4 | RP6/RB6 — I/O port B bit 6 / remappable peripheral |
| Pin 5 | RP7/RB7 — I/O port B bit 7 / remappable peripheral |
| Pin 6 | VDD — Positive supply (2.0V-3.6V) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| Pin 9 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| Pin 10 | RA2/AN2 — I/O port A bit 2 / analog input 2 |
| Pin 11 | RA3/AN3 — I/O port A bit 3 / analog input 3 |
| Pin 12 | RA4/AN4 — I/O port A bit 4 / analog input 4 |
| Pin 13 | RA5/AN5 — I/O port A bit 5 / analog input 5 |
| Pin 14 | RA6/OSC2 — I/O port A bit 6 / oscillator output |
| Pin 15 | RA7/OSC1 — I/O port A bit 7 / oscillator input |
| Pin 16 | VSS — Ground reference |
| Pin 17 | VDD — Positive supply (2.0V-3.6V) |
| Pin 18 | RC0 — I/O port C bit 0 |
| Pin 19 | RC1 — I/O port C bit 1 |
| Pin 20 | RC2 — I/O port C bit 2 |
| Pin 21 | RC3 — I/O port C bit 3 |
| Pin 22 | RC4 — I/O port C bit 4 |
| Pin 23 | RC5 — I/O port C bit 5 |
| Pin 24 | RC6 — I/O port C bit 6 |
| Pin 25 | RC7 — I/O port C bit 7 |
| Pin 26 | VUSB — USB 3.3V transceiver supply |
| Pin 27 | D+ — USB data plus |
| Pin 28 | D- — USB data minus |
| Pin 29 | RD0 — I/O port D bit 0 |
| Pin 30 | RD1 — I/O port D bit 1 |
| Pin 31 | RD2 — I/O port D bit 2 |
| Pin 32 | RD3 — I/O port D bit 3 |
| Pin 33 | RD4 — I/O port D bit 4 |
| Pin 34 | RD5 — I/O port D bit 5 |
| Pin 35 | RD6 — I/O port D bit 6 |
| Pin 36 | RD7 — I/O port D bit 7 |
| Pin 37 | RE0 — I/O port E bit 0 |
| Pin 38 | RE1 — I/O port E bit 1 |
| Pin 39 | RE2 — I/O port E bit 2 |
| Pin 40 | RE3 — I/O port E bit 3 |
| Pin 41 | VSS — Ground reference |
| Pin 42 | VDDCORE — Core voltage decoupling |
| Pin 43 | RB0 — I/O port B bit 0 |
| Pin 44 | RB1 — I/O port B bit 1 |
Typical Applications
PIC18F47J53T-I/PT is suitable for 6 applications: USB HID / CDC Peripherals, Capacitive Touch User Interfaces, Low-Power Battery-Powered Sensor Hubs, Automotive AEC-Q100 Body Modules, Industrial Control Panels and HMIs, USB Firmware Bootloaders and Field-Updatable Devices.
USB HID / CDC Peripherals
The PIC18F47J53T-I/PT integrates a USB 2.0 full-speed transceiver with on-chip PHY, making it ideal for USB HID peripherals such as keyboards, mice, game controllers, and CDC virtual COM port devices. With 128 KB Flash the device holds full HID report descriptors, USB stacks, and application firmware, while 4 KB RAM supports USB endpoint buffers and protocol stacks. Its 48 MHz CPU at 12 MIPS handles USB polling at 1 ms intervals without bus jitter. Designers can use the Microchip USB Framework to drop in HID or CDC class drivers and reduce firmware development time. The integrated transceiver also eliminates an external USB PHY, lowering BOM cost.
Recommended
Capacitive Touch User Interfaces
The PIC18F47J53T-I/PT integrates the CTMU (Charge Time Measurement Unit) peripheral that pairs with the 12-bit ADC to implement mTouch capacitive touch buttons, sliders, and proximity sensors. Its 128 KB Flash accommodates Microchip's mTouch library and application GUI logic, while the 4 KB RAM buffers touch scans and debounce state. Designers can build waterproof touch panels for kitchen appliances, automotive HVAC, and industrial controls using the CTMU's constant-current source. PPS remaps the touch channels to any I/O pin, simplifying PCB layout. The deep-sleep nanoWatt XLP mode wakes the MCU on touch for battery-powered interfaces.
Recommended
Low-Power Battery-Powered Sensor Hubs
The PIC18F47J53T-I/PT's nanoWatt XLP technology with deep-sleep mode drops quiescent current to the nanoampere range, enabling multi-year battery life on portable sensor hubs. Its 2.0V to 3.6V supply range supports direct Li-ion / coin-cell operation, and the 12-bit ADC with up to 13 channels monitors multiple sensors with hardware averaging. The RTCC module timestamps measurements for sleep duty cycling. With 128 KB Flash, designers implement BLE-friendly pre-processing, ADPCM audio compression, and event logging. The PIC18J family is widely deployed in medical patch sensors, environmental loggers, and remote controls.
Recommended
Automotive AEC-Q100 Body Modules
The PIC18F47J53T-I/PT is AEC-Q100 qualified (per Arrow listing) for automotive body electronics such as door modules, HVAC controls, ambient lighting controllers, and seat-position memory units. Its 44-pin TQFP footprint tolerates the thermal cycling of under-dash installations, while the integrated USB supports diagnostic interfaces and firmware update via OBD-II. The PPS peripheral remapping lets one PCB design serve left-hand-drive and right-hand-drive variants. With 128 KB Flash the device stores CAN-friendly firmware, fault logs, and calibration tables. The PIC18F47J53T-I/PT is a cost-effective alternative to 32-bit MCUs for non-safety body ECUs.
Recommended
Industrial Control Panels and HMIs
The PIC18F47J53T-I/PT powers industrial HMI panels combining capacitive touch, USB diagnostics, and RTCC-scheduled control logic on a single chip. Its 12-bit ADC reads potentiometers and 4-20 mA transducers, while two ECCP modules generate PWM for motor or LED control. The 128 KB Flash holds graphical menus, alarm logs, and Modbus-style protocols for PLC integration. PPS flexibility lets the same firmware drive different PCB layouts across product families. Designers use the RTCC to time-shift HVAC setpoints, irrigation cycles, and pump sequencing without an external RTC. Industrial-grade temperature range (-40C to +85C) supports factory floor deployment.
Recommended
USB Firmware Bootloaders and Field-Updatable Devices
The PIC18F47J53T-I/PT's 128 KB Flash easily accommodates a USB bootloader in the upper memory region plus a generous application region, enabling field firmware updates through the USB port without an external programmer. Designers can implement a CDC-based bootloader at 115200 baud or full-speed USB HID bootloader, leveraging the integrated USB transceiver and on-chip 3.3V regulator. ICSP (In-Circuit Serial Programming) further supports end-of-line programming. The PIC18F47J53T-I/PT's PPS remapping ensures bootloader-driven GPIO does not conflict with field-deployed pin assignments. This makes the part well suited to instrumentation, medical peripherals, and industrial sensors requiring field serviceability.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F47J53T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F47J53-I/PT | PIC18F46J53T-I/PT | PIC18F46J50T-I/PT | PIC18F4550T-I/PT | PIC18F2450T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Program Memory (Flash) | 128 KB | 128 KB | 64 KB | 64 KB | 32 KB | 24 KB |
| RAM | 4 KB | 4 KB | 3.8 KB | 3.8 KB | 2 KB | 1.5 KB |
| Maximum CPU Speed | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) |
| USB Module | USB 2.0 Full-Speed (12 Mbps) | 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 |
| Supply 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 | 4.2 V to 5.5 V (legacy) | 2.0 V to 5.5 V |
| nanoWatt XLP Deep Sleep | Yes | Yes | Yes | Yes | No | Limited |
| AEC-Q100 Automotive | Qualified (per Arrow listing) | Qualified | Qualified | Qualified | Not qualified | Not qualified |
Key Differentiators
- Highest Flash density in the PIC18J 44-TQFP family at 128 KB (vs PIC18F46J53T-I/PT)
- nanoWatt XLP deep-sleep enables multi-year battery operation (vs PIC18F4550T-I/PT)
- AEC-Q100 automotive qualification available in the same package (vs PIC18F2450T-I/PT)
Design Notes
The PIC18F47J53T-I/PT operates from 2.0V to 3.6V; when using the integrated USB 2.0 transceiver, supply VUSB with 3.0V to 3.6V from an internal 3.3V LDO. Decouple VDD with a 10uF tantalum or ceramic plus a 0.1uF ceramic placed within 5 mm of the supply pins; decouple VUSB with 10uF and 0.1uF as recommended by the datasheet to suppress USB inrush transients. Place the bulk cap on the same node as the VUSB pin return to VSS.
Do not enable PPS remapping to a pin that is also being used as an analog input without first disabling the ADC channel; conflicts can prevent the ADC from converting correctly. Always unlock the PPS sequence (PPSLOCKED = 0) before writing to a peripheral mapping register, and re-lock after configuration to prevent runaway writes. Configure the comparator output and PWM outputs only after PPS is locked to avoid glitchy signals during boot.
Estimated: at 48 MHz active and 3.3V supply, core current consumption is roughly 15-20 mA, yielding approximately 50-65 mW dissipation in the 44-TQFP. Thermal resistance theta_JA for the 44-TQFP (10x10 mm) is roughly 40-50 C/W on a 1 oz 4-layer PCB, so junction temperature rise above ambient is approximately 3-4 C at full activity. The nanoWatt XLP deep-sleep mode drops quiescent to nanoampere range for battery applications.
Route the USB D+ and D- traces as a 90-ohm differential pair from the on-chip transceiver pads to the USB connector, keeping matched lengths within 150 mil and avoiding stubs. Place the VUSB decoupling caps within 5 mm of the VUSB pin. Keep the 48 MHz oscillator traces short and shield them from analog ADC inputs to avoid coupling into CTMU touch measurements. Provide a solid ground pour under the entire TQFP footprint for thermal dissipation.
Compliance Information
RoHS and REACH compliance per Microchip product page. AEC-Q100 automotive qualification indicated in Arrow.com listing. Halogen-free status not explicitly stated in the verified data.
