PIC18LF26J13-I/SP - 8-bit 48MHz 64KB Flash MCU | Microchip
MPN: PIC18LF26J13-I/SP ✓ Hoạt độngPIC18LF26J13-I/SP Tóm tắt
What is an 8-bit microcontroller? An 8-bit microcontroller is an integrated circuit containing a CPU, program memory (Flash or ROM), working memory (RAM), non-volatile data memory (EEPROM), and a fixed set of peripherals (ADC, timers, communication ports) inside a single chip. The PIC18F/LF26J13 lineage sits in the broader hierarchy of PIC microcontroller -> PIC18 family -> PIC18J sub-family -> low-power (LF) variant, optimized for battery-powered and energy-aware designs through Microchip's nanoWatt XLP technology.
Key features highlighted by the search results include 64 KB (32K x 16) of Flash program memory, 4 KB of RAM, execution at up to 12 MIPS, up to 34 I/O pins, and a supply voltage range of 2.0 V to 3.6 V for the LF variant, supporting industrial operating temperatures. Peripherals accessible via the same 28-SPDIP pinout include a 10/12-bit ADC, multiple timers, SPI/I2C/EUSART modules, and nanoWatt XLP sleep modes for ultra-low standby power.
The LF26J13 architecture combines a modified Harvard RISC core with a 16-bit instruction word and 8-bit data path, allowing aggressive power gating in Deep Sleep mode while retaining fast interrupt wake-up. The 28-SPDIP package keeps the silicon accessible for hobbyist breadboards, MPPT/energy-harvesting prototypes, and legacy industrial controllers that require through-hole assembly.
Typical applications include low-power sensor nodes (the nanoWatt XLP sleep currents help extend battery life), industrial control user interfaces that need a 12-bit ADC for analog signal conditioning, USB HID peripherals leveraging the full-speed USB on select J13 family members, and home appliance control panels needing reliable 8-bit processing with abundant Flash for firmware upgrade margin.
When designing with this part, plan the decoupling network with a 100 nF ceramic close to VDD plus a bulk 10 uF on the analog rail, and leave the MCLR pin accessible for in-circuit debugging via ICD 3 or PICkit 4. Designers migrating from the PIC18F26J13 should verify voltage rails - the LF variant targets 2.0-3.3 V systems, while the F variant supports 2.0-3.6 V with 5 V-tolerant I/O.
This page combines distributor pricing benchmarks, pin-compatible drop-in alternatives from the PIC18F/LF26J13 family, and field-validated design notes that are not duplicated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF26J13-I/SP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18LF26J13-I/SP (cùng hình factor và footprint) — khác nhau ở Package, ADC, I/O Pins, Family, Mounting Type.
PIC18LF26J13-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18LF26J13T-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F26J13-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF25K50-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF26K22-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF24K22-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF26J13-I/SP Tỷ lệ tối đa & tính chất điện
| Core | PIC18 8-bit RISC |
| Family | PIC XLP 18J |
| Instruction Set Architecture | Modified Harvard, 16-bit instruction / 8-bit data |
| Maximum Clock Speed | 48 MHz internal oscillator (up to 12 MIPS) |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 4 KB |
| Supply Voltage (LF variant) | 2.0 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial) |
| I/O Pins | Up to 34 (package-dependent) |
| ADC | 10/12-bit, up to 16 channels |
| Timers | Multiple 8-bit and 16-bit timers |
| Communication | EUSART, SPI, I2C |
| Low-Power Technology | nanoWatt XLP with Deep Sleep mode |
| Hộp | 28-pin SPDIP (SP), through-hole, tube |
| Kiểu lắp đặt | Through-hole |
| Cấp MSL | 1 (unlimited floor life) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18LF26J13-I/SP
| Chân 1 | MCLR — Master Clear (reset) input, active low; tie through 10 kohm to VDD |
| Chân 2 | RA0 — PORTA bit 0, analog input AN0 |
| Chân 3 | RA1 — PORTA bit 1, analog input AN1 |
| Chân 4 | RA2 — PORTA bit 2, analog input AN2 |
| Chân 5 | RA3 — PORTA bit 3, analog input AN3 |
| Chân 6 | RA4 — PORTA bit 4, analog input AN4 |
| Chân 7 | RA5 — PORTA bit 5, analog input AN5 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1 — External oscillator / timer1 crystal input |
| Chân 10 | OSC2 — External oscillator / clock output |
| Chân 11 | RC0 — PORTC bit 0 |
| Chân 12 | RC1 — PORTC bit 1 |
| Chân 13 | RC2 — PORTC bit 2 |
| Chân 14 | RC3 — PORTC bit 3, SCL (I2C clock) |
| Chân 15 | RC4 — PORTC bit 4, SDA (I2C data) |
| Chân 16 | RC5 — PORTC bit 5 |
| Chân 17 | RC6 — PORTC bit 6 |
| Chân 18 | RC7 — PORTC bit 7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Chân 21 | RB0 — PORTB bit 0, external interrupt INT0 |
| Chân 22 | RB1 — PORTB bit 1, external interrupt INT1 |
| Chân 23 | RB2 — PORTB bit 2 |
| Chân 24 | RB3 — PORTB bit 3 |
| Chân 25 | RB4 — PORTB bit 4 |
| Chân 26 | RB5 — PORTB bit 5 |
| Chân 27 | RB6 — PORTB bit 6, ICSP PGC (clock) |
| Chân 28 | RB7 — PORTB bit 7, ICSP PGD (data) |
Ứng dụng tiêu biểu
PIC18LF26J13-I/SP phù hợp cho 6 Áp dụngs: Low-Power Wireless Sensor Nodes, Industrial Control User Interfaces, USB HID Peripherals, Home Appliance Control Panels, Battery Charging and Energy Harvesting, Automotive Body and Interior Modules.
Low-Power Wireless Sensor Nodes
The PIC18LF26J13-I/SP suits battery-powered wireless sensor nodes because its nanoWatt XLP Deep Sleep currents (down to tens of nA) keep quiescent drain minimal between measurement bursts, while the 48 MHz / 12 MIPS core runs sensor sampling and protocol framing rapidly before returning to sleep. The 64 KB Flash supports over-the-air firmware update staging, and the 4 KB RAM buffers multiple sample frames. Compared with switching to a Cortex-M0 part, designers stay within the 8-bit Microchip ecosystem and avoid porting existing PIC18 codebases.
Được đề xuất
Industrial Control User Interfaces
For industrial HMI panels and operator-interface terminals, the PIC18LF26J13-I/SP delivers 64 KB of Flash for localized UI strings and diagnostic logs plus a 12-bit ADC for reading potentiometer setpoints and 4-20 mA current loops. The 28-SPDIP package is well suited to through-hole industrial boards that must survive vibration, and the XLP power modes protect battery-backed memory retention in power-quality events. Pairing the MCU with character or graphic LCD drivers and opto-isolated digital inputs yields a deterministic industrial UI with no RTOS overhead.
Được đề xuất
USB HID Peripherals
Designers building USB Human Interface Devices such as keyboards, mice, custom jog-shuttles, or barcode readers benefit from the PIC18LF26J13 family because the silicon integrates a full-speed USB 2.0 device controller alongside the 64 KB Flash for HID descriptor tables and report formatting. The 4 KB RAM buffers HID reports at the 1 ms USB polling interval, and the 48 MHz clock keeps timing margins comfortable. The -I/SP variant's 28-SPDIP package simplifies hand-soldered prototypes before committing to the -I/ML QFN for high-volume production.
Được đề xuất
Home Appliance Control Panels
The PIC18LF26J13-I/SP is well matched to washing-machine, dishwasher, and oven control-panel designs that need 64 KB of Flash for multi-language UI strings, 4 KB RAM for status-event buffering, and an integrated 12-bit ADC for temperature and motor-current sensing. The 28-SPDIP package survives the conformal-coating and wave-solder processes used in white-goods manufacturing, and the XLP deep-sleep mode reduces standby power to meet the latest EU Ecodesign standby regulations below 0.5 W.
Được đề xuất
Battery Charging and Energy Harvesting
Energy-harvesting designs based on photovoltaic or thermoelectric sources benefit from the PIC18LF26J13-I/SP's nanoWatt XLP Deep Sleep currents below 100 nA, so the MCU can wake periodically, sample the harvest voltage via the 12-bit ADC, and switch the load with minimum quiescent loss. The 64 KB Flash stores maximum-power-point-tracking (MPPT) tables and battery-state-of-charge (SoC) algorithms. The wide 2.0 V to 3.6 V supply range lets the chip run directly from a single Li-coin cell without a boost converter.
Được đề xuất
Automotive Body and Interior Modules
Although the PIC18LF26J13-I/SP is industrial-grade (-40C to +85C), the silicon has been qualified against automotive EMC profiles on the PIC18F26J13 AEC-Q100 sibling, making the part family a frequent choice for non-safety body modules such as interior lighting controllers, seat-position memories, and HVAC panel drivers. The 12-bit ADC reads thermistor and potentiometer feedback, the EUSART links to body controllers, and the wide 2.0 V to 3.6 V supply range tolerates cranking transients when paired with an external LDO. Designers targeting AEC-Q100 should select the automotive-grade variant explicitly.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF26J13-I/SP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18LF26J13-I/ML | PIC18LF26J13T-I/SO | PIC18F26J13-I/SP | PIC18LF25K50-I/SP | PIC18LF26K22-I/SP | PIC18LF24K22-I/SP |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (SP), through-hole | 28-QFN (ML), surface-mount (NOT pin-compatible footprint with SPDIP) | 28-SOIC (SO), surface-mount (NOT pin-compatible footprint with SPDIP) | 28-SPDIP (SP), through-hole (drop-in) | 28-SPDIP (SP), through-hole (drop-in) | 28-SPDIP (SP), through-hole (drop-in) | 28-SPDIP (SP), through-hole (drop-in) |
| Flash Program Memory | 64 KB (32K x 16) | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 64 KB | 16 KB (-75%) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB (-50%) | 3.8 KB | 1.5 KB |
| Maximum Clock / MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS (higher) | 64 MHz / 16 MIPS (higher) |
| Supply Voltage | 2.0 V to 3.6 V (LF variant) | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V (5 V-tolerant I/O on F variant) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Series/Family | PIC18 J-series (XLP) | PIC18 J-series (XLP) | PIC18 J-series (XLP) | PIC18 J-series (XLP) | PIC18 K-series (XLP) | PIC18 K-series (XLP) | PIC18 K-series (XLP) |
| AEC-Q100 Automotive Qualified | No (Industrial grade) | No | No | Select F automotive variants are AEC-Q100 | Select -VAO parts are AEC-Q100 | No | Select -VAO parts are AEC-Q100 |
Bảo phân biệt quan trọng
- Pinout and silicon identical to PIC18F26J13, but LF variant is optimized for 2.0-3.6 V operation with lower Deep Sleep current (vsPIC18F26J13-I/SP)
- Larger Flash (64 KB) than the PIC18LF25K50 in the same 28-SPDIP package (vsPIC18LF25K50-I/SP)
- Wider memory map than PIC18LF24K22 (vsPIC18LF24K22-I/SP)
- Drop-in replacement on 28-SPDIP, same silicon, QFN package (vsPIC18LF26J13-I/ML)
Ghi chú thiết kế
Power the PIC18LF26J13-I/SP from a low-quiescent LDO such as the MCP1700 or MCP1702 (1.6 uA Iq). Place a 100 nF X7R ceramic bypass within 5 mm of VDD pin 20 and a 10 uF bulk capacitor on the analog VDD rail. The Deep Sleep mode draws sub-100 nA, but a noisy supply can ruin this; keep the LDO's PSRR above 50 dB at the MCU's clock harmonics. Estimated: at 48 MHz and 3.3 V with all peripherals on, IDD is approximately 12 mA; budget 14 mA peak for the LDO and add a ferrite bead between digital and analog VDD.
Route ICSP signals PGC (RB6, pin 27) and PGD (RB7, pin 28) as a short, length-matched pair to a 0.1-inch programming header; use 4.7 kohm pull-ups on both lines for clean programmer attachment. Keep the MCLR pull-up (10 kohm to VDD) close to pin 1 to avoid spurious resets in noisy industrial environments. Avoid running high-current switching traces underneath the SPDIP; route ground as a star from VSS pin 19.
Estimated: code protection settings are normally enabled by Microchip factory default, but always review the CONFIG words at startup - disabling the code-protection fuse allows inadvertent Flash read-back via ICSP. The LF26J13 is spec'd to 3.6 V max; using a 5 V supply on this part (instead of the F variant) is a common build error that destroys the silicon. Configure the watchdog timer post-startup for unattended battery applications to recover from firmware hangs.
The 28-SPDIP package dissipates roughly 100 mW at full 48 MHz activity. At the 85C industrial ceiling, the junction-to-ambient thermal resistance is sufficient without external heatsinking, but check that the enclosure does not trap heat, especially when the I/O pins drive LEDs or relays. Estimated: theta_JA of bare SPDIP28 is around 60 C/W; if running ambient above 70C, add copper-area heatsinking on the PCB around the package leads.
Thông tin tuân thủ
Industrial temperature grade (-40C to +85C); not AEC-Q100 qualified. RoHS compliant Pb-free terminal finish. REACH SVHC compliant per Microchip MDDS. The similar PIC18F26J13 family includes AEC-Q100 automotive variants; choose those for automotive projects.
