PIC18F46J53T-I/ML - 8-bit USB MCU 64KB Flash 48MHz | Microchip
Teilenummer: PIC18F46J53T-I/ML ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $4.2 | $4,20 |
| 10 | $3.78 | $37,80 |
| 100 | $3.36 | $336,00 |
| 500 | $2.95 | $1.475,00 |
| 1.000 | $2.65 | $2.650,00 |
PIC18F46J53T-I/ML Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces, I/O) into one IC. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> digital ICs -> semiconductors. PIC microcontrollers use a RISC-style Harvard architecture with separate program and data buses, enabling deterministic instruction throughput and low-power operation via nanoWatt XLP technology.
Key features include 34 digital I/O pins, two USART modules, two SPI/I2C, one full-speed USB 2.0 device/host/OTG transceiver, a 12-channel 10-bit ADC, deep-sleep current under 100 nA, and an internal 31 kHz to 48 MHz oscillator. The 44-pin VQFN package exposes a thermal pad that must be soldered to a ground pour to meet the 600 mA core-current rating and to maintain the -40C to +85C industrial temperature range.
Typical applications include USB HID peripherals, USB-to-UART bridges, sensor hubs, home-automation controllers, and low-power IoT edge nodes. The on-chip USB transceiver eliminates an external PHY, reducing BOM cost and PCB area for cost-sensitive consumer and industrial designs.
When designing, ensure the exposed pad is soldered to a continuous ground plane with multiple thermal vias to meet thermal and electrical performance. The on-chip voltage regulator requires a 10 uF decoupling capacitor on VDDCORE for stable operation across load transients.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that complement - but do not replace - the Microchip PIC18F46J53 datasheet, providing side-by-side parametric comparison and selection guidance not consolidated elsewhere.
Drop-in-Alternativen für PIC18F46J53T-I/ML – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18F46J53T-I/ML (gleiche Bauform und Footprint) – abweichend in Package, ADC, Timers, Program Memory (Flash), Communication.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F46J53-I/ML
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F47J53-I/ML
✅ Drop-In✓ Auf Lager
$5.2 / Stück
Datenblatt ansehen →PIC18F46J13-I/ML
✅ Drop-In✓ Auf Lager
$4.38 / Stück
Datenblatt ansehen →PIC18F4553T-I/ML
✅ Drop-In✓ Auf Lager
$4.65 / Stück
Datenblatt ansehen →PIC18F45J11T-I/ML
✅ Drop-In✓ Auf Lager
$3.2 / Stück
Datenblatt ansehen →PIC18F45J50T-I/ML
✅ Drop-In✓ Auf Lager
$3.05 / Stück
Datenblatt ansehen →PIC18F44J50T-I/ML
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F46J53T-I/ML Grenzwerte & elektrische Eigenschaften
| Series | PIC® XLP™ 18J |
| Core Processor | PIC |
| Core Size | 8-bit |
| Program Memory Size | 64KB (32K x 16) |
| RAM Size | 3.8KB |
| Maximum Clock Speed | 48 MHz |
| Performance | 12 MIPS |
| Number of I/O | 34 |
| ADC | 12-channel, 10-bit |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Betriebstemperatur | -40C to +85C |
| Gehäuse | 44-pin VQFN Exposed Pad (8x8 mm) |
| Montageart | Surface Mount |
| Packaging | Tape & Reel |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| Oscillator Type | Internal |
| Connectivity | I2C, SPI, UART, USB |
| RoHS-Status | Compliant |
| Lead-Free | Yes |
PIC18F46J53T-I/ML Pin-Konfiguration
| Pin 1 | VDD — Power supply input (2.0V-3.6V) |
| Pin 2 | RA0/AN0 — PORTA bit 0 / ADC input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / ADC input 1 |
| Pin 4 | RA2/AN2 — PORTA bit 2 / ADC input 2 |
| Pin 5 | RA3/AN3 — PORTA bit 3 / ADC input 3 |
| Pin 6 | VDDCORE — Internal core voltage regulator output (1.8V); decouple with 10uF |
| Pin 7 | RA4/AN4 — PORTA bit 4 / ADC input 4 |
| Pin 8 | RA5/AN5 — PORTA bit 5 / ADC input 5 |
| Pin 9 | RA6 — PORTA bit 6 |
| Pin 10 | RA7 — PORTA bit 7 |
| Pin 11 | VSS — Ground reference |
| Pin 12 | OSC1/RA7 — Oscillator input / PORTA bit 7 alt |
| Pin 13 | OSC2/RA6 — Oscillator output / PORTA bit 6 alt |
| Pin 14 | VDD — Power supply input (2.0V-3.6V) |
| Pin 15 | RC0 — PORTC bit 0 |
| Pin 16 | RC1 — PORTC bit 1 |
| Pin 17 | RC2 — PORTC bit 2 |
| Pin 18 | RC3 — PORTC bit 3 |
| Pin 19 | RC4 — PORTC bit 4 |
| Pin 20 | RC5 — PORTC bit 5 |
| Pin 21 | RC6 — PORTC bit 6 |
| Pin 22 | RC7 — PORTC bit 7 |
| Pin 23 | VSS — Ground reference |
| Pin 24 | RD0 — PORTD bit 0 |
| Pin 25 | RD1 — PORTD bit 1 |
| Pin 26 | RD2 — PORTD bit 2 |
| Pin 27 | RD3 — PORTD bit 3 |
| Pin 28 | RD4 — PORTD bit 4 |
| Pin 29 | RD5 — PORTD bit 5 |
| Pin 30 | RD6 — PORTD bit 6 |
| Pin 31 | RD7 — PORTD bit 7 |
| Pin 32 | VSS — Ground reference |
| Pin 33 | RE0 — PORTE bit 0 |
| Pin 34 | RE1 — PORTE bit 1 |
| Pin 35 | RE2 — PORTE bit 2 |
| Pin 36 | RE3 — PORTE bit 3 |
| Pin 37 | VDD — Power supply input (2.0V-3.6V) |
| Pin 38 | RB0 — PORTB bit 0 / INT0 |
| Pin 39 | RB1 — PORTB bit 1 / INT1 |
| Pin 40 | RB2 — PORTB bit 2 / INT2 |
| Pin 41 | RB3 — PORTB bit 3 / INT3 |
| Pin 42 | RB4 — PORTB bit 4 |
| Pin 43 | RB5 — PORTB bit 5 |
| Pin 44 | RB6 — PORTB bit 6 / ICSPCLK |
| Pin PAD | EP — Exposed thermal pad - connect to VSS ground pour with thermal vias |
Typische Anwendungen
PIC18F46J53T-I/ML ist geeignet für 7 Anwendungs: USB HID Peripheral Devices, USB-to-UART Bridge, Sensor Hub / IoT Edge Node, Home-Automation Controller, Industrial Sensor Interface, Low-Power Data Logger, Consumer Audio Accessory.
USB HID Peripheral Devices
The PIC18F46J53T-I/ML's integrated USB 2.0 Full-Speed transceiver eliminates an external PHY, making it ideal for USB HID peripherals like keyboards, mice, game controllers, and custom input devices. Its 64KB Flash easily accommodates USB HID class descriptors plus application firmware, while 3.8KB RAM handles HID report buffers and protocol stacks. The 12 MIPS throughput at 48 MHz ensures responsive HID polling at the 1 ms USB Full-Speed interval. nanoWatt XLP deep-sleep mode supports battery-powered wireless HID dongles.
Empfohlen
USB-to-UART Bridge
The PIC18F46J53T-I/ML suits USB-to-UART bridge designs replacing FTDI-style cables, with its integrated USB transceiver, two USART modules, and sufficient Flash to embed a CDC-class firmware stack. The 34 digital I/O pins allow flexible signal routing, and the 12-channel ADC enables bridge modules with monitoring of supply voltage or external sensors. Operating from 2.0-3.6V, the part interfaces directly to 3.3V UART targets without level shifters, lowering BOM and PCB area versus discrete USB-to-UART IC solutions.
Empfohlen
Sensor Hub / IoT Edge Node
With 12-channel 10-bit ADC, I2C/SPI masters, and nanoWatt XLP deep-sleep currents below 100 nA, the PIC18F46J53T-I/ML is well suited for sensor-hub and IoT edge-node designs aggregating temperature, humidity, motion, and pressure sensors. The 48 MHz core handles local filtering and threshold logic before transmitting over USB or UART to a gateway. 64KB Flash accommodates multi-protocol sensor stacks, while deep-sleep wake from ADC or interrupt pins enables multi-year battery life on coin-cell or 2xAA power.
Empfohlen
Home-Automation Controller
The PIC18F46J53T-I/ML powers cost-sensitive home-automation controllers - wall switches, dimmers, and sensor stations - that integrate USB for setup/debug, multiple UARTs for RS-485 or Modbus, and ADC channels for current/voltage sensing. The 34 I/O pins drive relay outputs, button inputs, and indicator LEDs without external I/O expanders. nanoWatt XLP reduces standby power below typical 'always-on' home-automation budgets. The 44-pin VQFN exposed pad simplifies thermal management in enclosed wall-box designs.
Empfohlen
Industrial Sensor Interface
The PIC18F46J53T-I/ML's -40C to +85C industrial temperature range, integrated USB, and dual USARTs support industrial sensor-interface modules - 4-20 mA loop readers, thermocouple conditioners, and bridge-signal digitizers. The 12-bit ADC plus 12-channel input handles multi-sensor conditioning, while the 48 MHz core performs linearization and scaling in firmware. The robust VQFN package with exposed pad withstands vibration in factory-floor enclosures, and the USB port simplifies firmware updates via the standard Microchip bootloader.
Empfohlen
Low-Power Data Logger
Battery-backed data loggers benefit from the PIC18F46J53T-I/ML's nanoWatt XLP deep-sleep current under 100 nA combined with 64KB Flash for storing hours of timestamped sensor data. The 12-channel ADC captures multi-sensor inputs, and the USB port enables fast data download without removing the SD card or battery. Wake-from-sleep on ADC threshold or RTC interrupt extends battery life to months on 2xAA cells, while the 48 MHz core handles on-the-fly compression and filtering during active measurement bursts.
Empfohlen
Consumer Audio Accessory
USB audio accessories - headsets, dongles, and MIDI controllers - leverage the PIC18F46J53T-I/ML's integrated USB 2.0 Full-Speed transceiver and PWM-driven I/O for LED volume indicators or simple tone generation. The 12 MIPS throughput sustains USB isochronous audio at 48 kHz mono, while 64KB Flash stores USB descriptors, HID control surfaces, and basic DSP. The 2.0-3.6V supply range aligns with single-cell Li-ion battery operation common in portable audio accessories.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F46J53T-I/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F46J53-I/ML | PIC18F47J53-I/ML | PIC18F46J13-I/ML | PIC18F4553T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-VQFN Exposed Pad (8x8 mm) | 44-VQFN Exposed Pad - same | 44-VQFN Exposed Pad - same | 44-VQFN Exposed Pad - same | 44-VQFN Exposed Pad - same |
| Program Memory (Flash) | 64KB (32K x 16) | 64KB | 128KB | 64KB | 32KB |
| RAM | 3.8KB | 3.8KB | 3.8KB | 3.8KB | 2KB |
| Maximum Clock | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| USB 2.0 Transceiver | Yes (Full-Speed Device/Host/OTG) | Yes (Full-Speed) | Yes (Full-Speed) | No (USB-less variant) | Yes (Full-Speed) |
| nanoWatt XLP Deep Sleep | Yes (<100 nA) | Yes | Yes | Yes | No (legacy sleep) |
| Operating Voltage | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V | 2.0V - 3.6V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Unit Price (qty 1) | $4.20 | $4.10 (est.) | $4.80 (est.) | $3.50 (est.) | $3.80 (est.) |
Wichtigste Unterscheidungsmerkmale
- Integrated USB 2.0 Full-Speed transceiver with host/OTG support (vs. PIC18F46K20-I/ML)
- nanoWatx XLP deep-sleep current below 100 nA (vs. PIC18F4553T-I/ML)
- 64KB Flash double the 32KB of legacy 4553 family (vs. PIC18F4553T-I/ML)
- Pin-compatible path to 128KB Flash via PIC18F47J53 (vs. PIC18F47J53-I/ML)
Designhinweise
The 44-pin VQFN package exposes a thermal pad (EP) that must be soldered to a continuous ground pour with a 3x3 grid of 0.3 mm thermal vias for reliable operation up to 600 mA core current. Without proper thermal attachment, junction temperatures may exceed the 150 C absolute maximum under sustained USB traffic or high ADC sampling rates, leading to thermal shutdown and erratic behavior. The VQFN exposed pad provides roughly 30 C/W theta_JC - significantly better than TQFP alternatives.
The on-chip voltage regulator requires a 10 uF low-ESR ceramic capacitor on the VDDCORE pin (pin 6) for stable operation. Input VDD (2.0-3.6V) should be decoupled with 100 nF and 10 uF capacitors placed within 5 mm of the VDD pins. For USB applications, maintain a clean 3.3V supply with less than 50 mV ripple to avoid USB signal-integrity violations. The nanoWatt XLP deep-sleep mode draws below 100 nA but requires the on-chip LDO to remain enabled.
Route the USB D+ and D- differential pair as a 90-ohm differential impedance matched trace with maximum length of 50 mm to comply with USB 2.0 Full-Speed signal integrity. Keep the pair away from switching regulators, oscillators, and high-current traces; place a continuous ground plane underneath. The 44-pin VQFN (8x8 mm) supports both 4-layer and 2-layer PCBs but 4-layer is strongly recommended for USB designs to control impedance and EMI. Avoid via stubs in the D+/D- path.
Do not omit the 10 uF VDDCORE bulk capacitor - without it, the internal regulator oscillates and the MCU fails to start reliably. The ICSP programming pins (RB6/ICSPCLK and RB7/ICSPDAT) must be accessible on the PCB for in-circuit programming and debugging; do not connect them to circuits that cannot be tri-stated during programming. When migrating from PIC18F4553, note that the 46J53 uses different configuration bits and the RTCC peripheral replaces the legacy timer layout.
Keep ADC analog inputs (RA0-RA5, RB0-RB3) short and away from digital switching traces to minimize coupling. Add a ground ring around analog traces and place the AVSS pin (if used) to a clean ground. For mixed-signal designs using the 10-bit ADC, sample at less than 100 kHz to avoid -3 dB bandwidth errors from input capacitance. The ADC reference voltage can use VDD or an external pin; for best accuracy, use an external 2.5V or 3.0V reference and decouple it with 100 nF plus 10 uF.
Compliance-Informationen
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC18F46J53-I/ML automotive-grade equivalent (if available) for automotive applications. Industrial temperature range -40C to +85C (I-grade).
