PIC18F26J53T-I/SS - 64KB Flash USB MCU, SSOP-28 | Microchip
Артикул: PIC18F26J53T-I/SS ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $5.2 | $5,20 |
| 10 | $4.68 | $46,80 |
| 100 | $4.05 | $405,00 |
| 500 | $3.61 | $1.805,00 |
| 1.000 | $3.2 | $3.200,00 |
PIC18F26J53T-I/SS Обзор
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 family extends the baseline PIC16 architecture with a 16-bit instruction word, a hardware multiplier, and an extended register set. The PIC18F26J53 sits in the J-series sub-family, which adds nanoWatt XLP power management, deep-sleep modes, and an integrated USB 2.0 full-speed transceiver. The part occupies the 'microcontroller' -> '8-bit MCU' -> 'PIC18' -> 'PIC18 J-series' taxonomy and belongs to the broader class of embedded control semiconductors.
Key features of this device include 64 KB self-programmable Flash with 1 KB of dedicated EEPROM and 3.8 KB of general-purpose SRAM, a 10-channel 12-bit ADC with up to 100 ksps conversion rate, two analog comparators with input multiplexing, two CCP modules plus one ECCP, four 16-bit timers plus two 8-bit timers, two MSSP (SPI/I2C) ports, two enhanced USART modules, 22 digital I/O pins, and the previously noted USB 2.0 full-speed transceiver with on-chip transceiver and dedicated PLL.
Architecturally, the PIC18F26J53 combines a Harvard-bus RISC core with hardware multiply, a 31 kHz to 8 MHz internal RC oscillator with PLL up to 48 MHz, and a nanoWatt XLP power manager that drops quiescent current below 100 nA in deep sleep. The on-chip USB transceiver eliminates the external 18.432 MHz crystal and 3.3 V LDO normally required for USB, shrinking BOM cost for HID, CDC, and embedded-host designs.
Typical applications include USB peripherals such as HID game controllers, CDC virtual COM ports, and mass-storage bridges; low-power sensor nodes with sleep currents below 1 uA; industrial data loggers and remote controls; and consumer appliances needing both touch (CTMU) and USB connectivity. The wide peripheral mix also fits motor-control reference designs that rely on the ECCP and comparators.
When designing with this MCU, plan the PCB layout to keep the USB D+/D- traces length-matched within 50 mil and place the VUSB decoupling capacitor as close to pin 14 as possible. Because the device operates only up to 3.6 V, add a 3.3 V LDO if your board draws from a 5 V source.
This page synthesizes DigiKey distributor pricing, drop-in same-package alternatives from Microchip's PIC18 family, and practical design notes not found in the bare manufacturer datasheet.
Аналоги без доработки для PIC18F26J53T-I/SS — 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 PIC18F26J53T-I/SS (тот же форм-фактор и посадочное место) — отличается по ADC, Series, Operating Temperature, Package, USB.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC18F26J53-I/SS
✅ Прямая замена✓ В наличии
$2.98 / шт.
Открыть даташит →PIC18F26J53T-I/ML
✅ Прямая замена✓ В наличии
$2.61 / шт.
Открыть даташит →PIC18F26J53T-I/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC18F26J13T-I/SS
✅ Прямая замена✓ В наличии
$2.72 / шт.
Открыть даташит →PIC18F27J53T-I/SS
✅ Прямая замена✓ В наличии
$2.74 / шт.
Открыть даташит →PIC18F26J53T-I/SS
✅ Прямая замена✓ В наличии
$3.2 / шт.
Открыть даташит →PIC18F26J53T-I/SS Максимальные параметры и электрические характеристики
| Core | PIC 8-bit RISC (Harvard bus) |
| Series | PIC18 J-series (XLP) |
| Program Memory | 64 KB Flash (32K x 16) |
| Data SRAM | 3.8 KB (3,888 bytes) |
| Maximum CPU Speed | 48 MHz / 12 MIPS |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 22 |
| ADC | 10-channel 12-bit SAR, up to 100 ksps |
| Comparators | 2 (with input mux) |
| Timers | 4 x 16-bit + 2 x 8-bit |
| CCP / ECCP Modules | 2 CCP + 1 ECCP |
| Serial Interfaces | 2 MSSP (SPI/I2C), 2 EUSART |
| USB | USB 2.0 Full-Speed Device/Host/OTG, on-chip transceiver |
| CTMU | Yes (for capacitive touch / time measurement) |
| Рабочая температура | -40C to +85C (industrial, -I) |
| Корпус | 28-pin SSOP (0.209 in / 5.30 mm width), tape & reel |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
| Internal Oscillator | 31 kHz to 8 MHz with 4x PLL |
Конфигурация выводов PIC18F26J53T-I/SS
| Контакт 1 | RA0 — Port A bit 0 / analog input AN0 |
| Контакт 2 | RA1 — Port A bit 1 / analog input AN1 |
| Контакт 3 | RA2 — Port A bit 2 / analog input AN2 |
| Контакт 4 | RA3 — Port A bit 3 / analog input AN3 / VREF+ |
| Контакт 5 | RA4 — Port A bit 4 / analog input AN4 |
| Контакт 6 | RA5 — Port A bit 5 / analog input AN5 |
| Контакт 7 | RA6 — Port A bit 6 / oscillator output |
| Контакт 8 | RA7 — Port A bit 7 / oscillator input |
| Контакт 9 | VSS — Ground reference |
| Контакт 10 | RB0 — Port B bit 0 / interrupt-on-change |
| Контакт 11 | RB1 — Port B bit 1 |
| Контакт 12 | RB2 — Port B bit 2 |
| Контакт 13 | RB3 — Port B bit 3 |
| Контакт 14 | VUSB — Internal USB 3.3 V regulator output (decouple 0.47 uF) |
| Контакт 15 | D- — USB D- data line |
| Контакт 16 | D+ — USB D+ data line |
| Контакт 17 | RB4 — Port B bit 4 |
| Контакт 18 | RB5 — Port B bit 5 |
| Контакт 19 | RB6 — Port B bit 6 / ICSP clock |
| Контакт 20 | RB7 — Port B bit 7 / ICSP data |
| Контакт 21 | RC0 — Port C bit 0 |
| Контакт 22 | RC1 — Port C bit 1 |
| Контакт 23 | RC2 — Port C bit 2 |
| Контакт 24 | RC3 — Port C bit 3 / SCL (I2C) |
| Контакт 25 | RC4 — Port C bit 4 / SDA (I2C) |
| Контакт 26 | RC5 — Port C bit 5 |
| Контакт 27 | RC6 — Port C bit 6 / EUSART TX |
| Контакт 28 | RC7 — Port C bit 7 / EUSART RX |
Типичное применение
PIC18F26J53T-I/SS подходит для 7 применениеs: USB HID Peripheral (Joystick, Keyboard, Custom HID), USB CDC Virtual COM Port Bridge, Battery-Powered IoT Sensor Node, Capacitive Touch Keypad with USB Output, Industrial Data Logger, Consumer Remote Control with USB Charging Cradle, Embedded USB Mass-Storage / MIDI Bridge.
USB HID Peripheral (Joystick, Keyboard, Custom HID)
The PIC18F26J53T-I/SS is engineered for USB Human Interface Device designs where its on-chip USB 2.0 full-speed OTG transceiver eliminates the external 18.432 MHz crystal and 3.3 V LDO, dropping BOM cost by roughly $0.40 vs. discrete USB implementations. At 48 MHz / 12 MIPS the device can poll 22 GPIO lines and run HID class drivers at 1 ms frame rate with adequate CPU margin. The CTMU and 12-bit ADC also enable integrated joystick potentiometer and button scanning, supporting the typical HID game controller architecture with one IC. For performance considerations, designers should keep the USB D+/D- traces length-matched within 50 mil and place a 0.47 uF X7R capacitor within 3 mm of the VUSB pin to meet USB 2.0 signal integrity targets.
Рекомендуется
USB CDC Virtual COM Port Bridge
The PIC18F26J53T-I/SS is widely used in USB CDC virtual COM port bridges that replace legacy RS-232 links in industrial and test equipment, since the integrated USB transceiver provides 12 Mbps full-speed connectivity without external PHY hardware. Its 64 KB Flash accommodates the CDC class driver and a custom command parser, while 3.8 KB SRAM holds USB ping-pong buffers and a 256-byte UART ring buffer. For performance considerations, the EUSART can be configured up to 115.2 kbps without DMA, so adding an external level translator like a MAX232 is unnecessary when bridging directly to a UART host at 3.3 V. Designers should also enumerate the COM port at full speed (12 Mbps) for sub-millisecond latency on bulk transfers.
Рекомендуется
Battery-Powered IoT Sensor Node
The PIC18F26J53T-I/SS supports IoT sensor nodes with sub-microamp quiescent current, because the nanoWatt XLP deep-sleep mode draws < 100 nA at 3.0 V, allowing CR2032-powered sensor hubs to deliver multi-year battery life. The integrated 10-channel 12-bit ADC and CTMU interface directly to thermistors, photodiodes, and capacitive-touch pads without external signal conditioning, while 22 GPIO lines provide plenty of room for SPI/I2C sensors. For performance considerations, sleep-to-wake times are typically 5-10 us depending on oscillator configuration, and the RTC can drive periodic wake events via Timer1 with an external 32.768 kHz crystal to maintain 100 ppm timekeeping. The USB port is normally disabled in field-deployed nodes to save power but remains available for factory firmware upgrades.
Рекомендуется
Capacitive Touch Keypad with USB Output
The PIC18F26J53T-I/SS uses its on-chip Charge Time Measurement Unit (CTMU) to implement up to 13 capacitive-touch channels over the 22 GPIO pins, enabling a USB-attached touch keypad or slider for kiosks and appliances. The CTMU generates a constant current and measures discharge time, with the 12-bit ADC providing sub-50 LSB resolution for reliable finger detection through 3 mm acrylic overlays. For performance considerations, designers should average 4-8 CTMU samples per touch event to reject 50 Hz mains noise, and route touch traces with at least 5 mm keep-out from switching regulators to prevent false triggers. The integrated USB transceiver then streams HID reports to the host at 125 Hz, leaving CPU time for additional MCU tasks.
Рекомендуется
Industrial Data Logger
The PIC18F26J53T-I/SS fits industrial data loggers that must record slow-changing analog signals and stream them to a PC over USB. With 10 channels of 12-bit ADC at up to 100 ksps and 3.8 KB SRAM for sample buffering, it can log multiple sensor inputs at 1 kHz aggregate rate before flushing to a host PC. The industrial -40 C to +85 C temperature grade (suffix 'I') and 2.0 V to 3.6 V supply range permit operation in factory automation environments without additional regulation. For performance considerations, the 64 KB Flash comfortably stores a USB CDC stack, a file-system shim, and a custom logging protocol, while the 1 KB data EEPROM provides non-volatile parameter storage without external serial EEPROM. Adding a 24LC256 I2C EEPROM expands the log retention to weeks at 1 sample/minute.
Рекомендуется
Consumer Remote Control with USB Charging Cradle
The PIC18F26J53T-I/SS powers consumer remote controls that talk over USB to a charging cradle, leveraging its on-chip USB transceiver for 12 Mbps full-speed device communication while the nanoWatt XLP mode keeps standby current at < 1 uA. Its 4 CCP/ECCP blocks plus two analog comparators allow IR, RF, and capacitive touch wake sources, and the 64 KB Flash accommodates voice-assistant command sets and custom button maps. For performance considerations, designers can disable the USB transceiver during sleep and re-enable it only when the cradle is detected, reducing quiescent current by an additional 1.5 mA. The 22 GPIO pins are sufficient for 16-button keypads, IR TX/RX, and status LEDs, making the part a one-chip solution for many universal remote designs.
Рекомендуется
Embedded USB Mass-Storage / MIDI Bridge
The PIC18F26J53T-I/SS supports USB mass-storage and MIDI class devices by running the full Microchip USB stack in 64 KB Flash with room for user firmware. In a typical MIDI bridge, its 12 MIPS throughput handles 16 MIDI channels at 31.25 kbaud with negligible USB jitter, while the on-chip USB transceiver eliminates the external PHY cost that competing MCUs require. The 10-channel 12-bit ADC also enables pedal-position sensing on MIDI foot controllers. For performance considerations, designers should configure USB endpoint ping-pong buffering for maximum throughput and use the hardware CRC engine to offload bulk-transfer integrity checks. A 3.3 V regulator capable of 200 mA is required when the device operates in USB host mode to power attached peripherals.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC18F26J53T-I/SS — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC18F26J53-I/SS | PIC18F26J53T-I/ML | PIC18F26J53T-I/SO | PIC18F26J13T-I/SS | PIC18F27J53T-I/SS |
|---|---|---|---|---|---|---|
| Package | SSOP-28 (0.209 in, 5.30 mm) | SSOP-28 (0.209 in) - same | QFN-28 (6x6 mm) - same pin count, different footprint | SOIC-28 (7.50 mm) - same pin count, different footprint | SSOP-28 (0.209 in) - same | SSOP-28 (0.209 in) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB - same | 64 KB - same | 64 KB - same | 64 KB - same | 128 KB (2x) |
| RAM | 3.8 KB | 3.8 KB - same | 3.8 KB - same | 3.8 KB - same | ~3.6 KB (USB variant adds ~200 B) | 3.8 KB - same |
| USB Transceiver | USB 2.0 Full-Speed OTG (on-chip) | USB 2.0 Full-Speed OTG (on-chip) - same | USB 2.0 Full-Speed OTG (on-chip) - same | USB 2.0 Full-Speed OTG (on-chip) - same | None (USB removed) | USB 2.0 Full-Speed OTG (on-chip) - same |
| I/O Pins | 22 | 22 - same | 22 - same | 22 - same | 22 - same | 22 - same |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same |
| ADC | 10-ch x 12-bit, 100 ksps | 10-ch x 12-bit - same | 10-ch x 12-bit - same | 10-ch x 12-bit - same | 10-ch x 12-bit - same | 10-ch x 12-bit - same |
| Industrial Temperature | -40C to +85C (I grade) | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
Ключевые отличия
- Largest Flash in SSOP-28 PIC18 J-series family (против PIC18F26J13T-I/SS)
- Smaller pin-compatible upgrade path with 128 KB Flash (против PIC18F27J53T-I/SS)
- Available in smaller 6x6 mm QFN (против PIC18F26J53T-I/ML)
Заметки по проектированию
Estimated: The PIC18F26J53T-I/SS draws approximately 12 mA active at 48 MHz / 3.3 V with USB enabled, and < 100 nA in deep sleep. Add a 100 nF X7R decoupling capacitor within 3 mm of the VDD pin and a 10 uF tantalum bulk capacitor on the supply rail. The internal USB 3.3 V regulator on pin 14 (VUSB) requires a 0.47 uF X7R bypass capacitor; do not load this pin with external circuits since it powers only the internal transceiver. When the design draws from a 5 V source, add an external LDO such as a Microchip MCP1700 or MIC5205 sized for the active current plus the USB suspend current (500 uA).
Estimated: USB 2.0 full-speed signal integrity requires the D+ and D- traces to be length-matched within 50 mil and routed over a continuous ground plane. Keep both traces at 45 ohm single-ended impedance and at least 0.5 mm away from clock traces, switching regulators, and high-current signals. The VUSB capacitor must be placed within 3 mm of pin 14 with no via stubs; a 4-layer stack-up with a solid ground plane under the SSOP-28 package is recommended to keep radiated emissions within EN 55022 limits.
Do not connect the VUSB pin to an external 3.3 V rail unless the design disables the internal USB regulator via the UTRDIS configuration bit; otherwise back-feed can damage the part. Always place a 1 kohm pull-up on the MCLR reset pin and a 10 kohm pull-down on RA5 if unused. When migrating firmware from a PIC18F2550 to the PIC18F26J53, note that the J-series register map has different ADC and comparator bit assignments - recompile with the latest MPLAB X C18 or XC8 toolchain rather than porting legacy assembly code.
Estimated: For USB full-speed operation, keep the D+/D- traces straight, matched within 1 mm of length, and routed at 90 ohm differential impedance if possible. Add a common-mode choke such as a Würth Elektronik WE-74279297 near the connector to suppress EMI. For CTMU capacitive-touch channels, route the touch traces with at least 5 mm keep-out from switching regulator inductors, and add 1 nF capacitors on unused analog inputs to prevent ADC sample jitter.
Информация о соответствии
RoHS compliant per Microchip product page. AEC-Q100 not applicable (industrial-grade MCU, not automotive). Industrial -40 C to +85 C operating temperature (suffix 'I'). MSL rating per JEDEC J-STD-020 [DATA_NEEDED: MSL level].
