PIC18F26Q10T-I/STX - 64KB Flash 8-bit MCU | Microchip
部品番号: PIC18F26Q10T-I/STX ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.62 | $26.20 |
| 100 | $2.34 | $234.00 |
| 500 | $2.08 | $1,040.00 |
| 1,000 | $1.86 | $1,860.00 |
PIC18F26Q10T-I/STX 概要
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and configurable peripherals onto one silicon die. PIC microcontrollers use a modified Harvard architecture with separate program and data buses, enabling single-cycle instruction execution and deterministic interrupt response. The PIC18 core family extends the baseline PIC16 instruction set with 16-bit instructions, a hardware multiplier, linear memory addressing, and prioritized interrupts, while remaining code-compatible with older PIC16 designs.
Key features include a 10-bit ADC with Computation (ADC2), a 5-bit DAC, complementary waveform generators (CWG), hardware limit timer (HLT), windowed watchdog timer (WWDT), configurable logic cells (CLC), scan/CRC for code integrity, and up to 25 channels of 10-bit ADC. The integrated Core Independent Peripherals (CIPs) reduce CPU load and code complexity by handling timing-critical operations in hardware, enabling faster time-to-market for sensor node and real-time control applications.
The PIC18F26Q10 architecture uses a 16-bit modified Harvard design with a 31-level hardware stack, eight priority levels for interrupts, and a single-cycle hardware multiplier for 8x8 signed/unsigned operations. The 5V operating range (1.8V-5.5V supply tolerance, 5V nominal logic) provides better noise margin than 3.3V-only MCUs, making the device well suited for industrial environments with motor or relay transients.
Typical applications include IoT sensor nodes, home appliance control, motor control, LED lighting controllers, battery management front-ends, and automotive body electronics. The combination of XLP sleep currents below 50 nA and 5V analog performance allows battery-powered sensor designs with reliable industrial communication links.
When designing with this part, allocate at least one UART, I2C, and SPI channel for sensor and host communication, and use the CLC to combine peripheral outputs without CPU intervention. Reserve the WWDT for fail-safe operation in safety-relevant applications; the scan/CRC peripheral provides firmware integrity verification for Functional Safety targets.
This page synthesizes Microchip datasheet specifications, distributor pricing snapshots, drop-in same-package alternatives, and practical firmware/hardware design notes that are not aggregated on a single manufacturer page.
ドロップイン代替品: PIC18F26Q10T-I/STX — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC18F26Q10T-I/STX （同一形状・フットプリント） — 相違点: Core Architecture, Package, RoHS Status, ADC, Operating Temperature.
クイック比較ツール — 並列比較する代替部品を選択:
PIC18F26Q10-I/STX
✅ ドロップイン✓ 在庫あり
$1.52 / 個
データシートを見る →PIC18F25Q10-I/STX
✅ ドロップイン✓ 在庫あり
$1.58 / 個
データシートを見る →PIC18F24Q10-I/STX
✅ ドロップイン✓ 在庫あり
$1.45 / 個
データシートを見る →PIC18F26Q10T-I/STX 最大定格＆電気的特性
| Core Architecture | PIC18, 8-bit modified Harvard |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data SRAM | 4 KB |
| Data EEPROM | 256 B |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V (5 V nominal) |
| DAC | 5-bit DAC |
| Communication Peripherals | UART, SPI, I2C |
| Core Independent Peripherals | CLC, CWG, HLT, WWDT, SCAN/CRC |
| 動作温度 | -40C to +85C (Industrial) |
| パッケージ | 28-VQFN (4x4 mm) |
| 実装タイプ | Surface Mount |
| MSLレベル | MSL3 (per JEDEC J-STD-020) |
| RoHS ステータス | ROHS3 Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) |
| Family Features | XLP (eXtreme Low Power), Functional Safety (FuSa) |
PIC18F26Q10T-I/STX ピン構成
| ピン 1 | RA0 — Bidirectional I/O / analog input |
| ピン 2 | RA1 — Bidirectional I/O / analog input |
| ピン 3 | RA2 — Bidirectional I/O / analog input |
| ピン 4 | RA3 — Bidirectional I/O / analog input (MCLR alternate) |
| ピン 5 | RA4 — Bidirectional I/O / analog input |
| ピン 6 | RA5 — Bidirectional I/O / analog input |
| ピン 7 | RA6 — Bidirectional I/O / analog input |
| ピン 8 | RA7 — Bidirectional I/O / analog input |
| ピン 9 | VSS — Ground reference |
| ピン 10 | RB0 — Bidirectional I/O / interrupt-on-change |
| ピン 11 | RB1 — Bidirectional I/O / interrupt-on-change |
| ピン 12 | RB2 — Bidirectional I/O / interrupt-on-change |
| ピン 13 | RB3 — Bidirectional I/O / interrupt-on-change |
| ピン 14 | RB4 — Bidirectional I/O / interrupt-on-change |
| ピン 15 | RB5 — Bidirectional I/O / interrupt-on-change |
| ピン 16 | RB6 — Bidirectional I/O / ICSCLK |
| ピン 17 | RB7 — Bidirectional I/O / ICSDAT |
| ピン 18 | AVDD — Analog supply voltage |
| ピン 19 | AVSS — Analog ground reference |
| ピン 20 | RC0 — Bidirectional I/O / analog input |
| ピン 21 | RC1 — Bidirectional I/O / analog input |
| ピン 22 | RC2 — Bidirectional I/O / analog input |
| ピン 23 | RC3 — Bidirectional I/O / analog input |
| ピン 24 | RC4 — Bidirectional I/O / analog input |
| ピン 25 | RC5 — Bidirectional I/O / analog input |
| ピン 26 | RC6 — Bidirectional I/O / analog input |
| ピン 27 | RC7 — Bidirectional I/O / analog input |
| ピン 28 | VDD — Digital supply voltage |
主な用途
PIC18F26Q10T-I/STX の用途: 6 件s: Industrial IoT Sensor Nodes, Home Appliance Control Boards, Battery-Powered Wireless Sensor Hubs, LED Lighting Controllers, Automotive Body Electronics, Functional Safety Sensor Systems.
Industrial IoT Sensor Nodes
The PIC18F26Q10T-I/STX fits industrial IoT sensor nodes because of its 5V operating range (1.8V-5.5V), 10-bit ADC2 with computation averaging up to 25 channels, and XLP sleep currents under 50 nA. The 64 KB Flash supports OTA-friendly bootloader plus application firmware, and SCAN/CRC provides periodic Flash integrity checks suitable for IEC 61508 SIL-2 capable sensor designs. At a node price near $1.86 at qty 1000, designers can place the MCU behind RS-485 transceivers, I2C sensors, or SPI ADCs without an external supervisor.
おすすめ
Home Appliance Control Boards
The PIC18F26Q10T-I/STX suits washing machine, dishwasher, microwave, and HVAC control boards because of its 5V noise immunity, 64 MHz CPU for fast control loops, and complementary waveform generator (CWG) for half-bridge motor drive signals. Configurable Logic Cells (CLC) let designers combine PWM with fault inputs in hardware, offloading the CPU. The 4 KB SRAM supports display drivers plus Modbus or UART command parsers concurrently, while 256 B EEPROM stores user-setpoints and calibration data without external memory.
おすすめ
Battery-Powered Wireless Sensor Hubs
The PIC18F26Q10T-I/STX is well suited for battery-powered wireless sensor hubs that aggregate data from low-power radios thanks to XLP sleep currents below 50 nA and a 1.8V minimum operating voltage that allows direct Li-ion or 2x AA operation. The CLC peripheral can wake the MCU based on sensor threshold crossings without CPU intervention, preserving battery life. The 64 KB Flash fits BLE/Zigbee/LoRa host firmware plus wireless stack adapters, and 4 KB SRAM buffers packets before transmission.
おすすめ
LED Lighting Controllers
The PIC18F26Q10T-I/STX fits commercial and architectural LED lighting controllers because of its CWG peripheral that generates dead-band-controlled complementary PWM outputs for half-bridge LED drivers, plus its 16-bit PWM with multiple channels for color-mixing. The 5V supply tolerance lets it run directly from rectified 12V/24V LED bus rails with a small LDO. SCAN/CRC ensures firmware integrity for safety-relevant lighting installations where luminaires must pass regulatory flicker and EMC tests.
おすすめ
Automotive Body Electronics
The PIC18F26Q10T-I/STX suits automotive body modules such as seat controllers, mirror adjusters, and ambient lighting because of its -40C to +125C extended temperature operation (industrial-grade variant) and 5V LIN/CAN-friendly logic levels. SCAN/CRC and WWDT support ASIL-aware firmware integrity. The 64 KB Flash fits CAN/LIN stacks plus body-domain application logic, and the small 28-VQFN 4x4 mm package fits behind mirror glass and inside seat modules where larger QFP/SSOP packages would not fit.
おすすめ
Functional Safety Sensor Systems
The PIC18F26Q10T-I/STX supports IEC 61508 SIL-2 capable safety sensor designs because of integrated SCAN/CRC for Flash integrity, Windowed Watchdog Timer (WWDT) for out-of-window fault detection, and Hardware Limit Timer (HLT) for fail-safe input monitoring. The 64 KB Flash fits diagnostic libraries plus safety function code. The CLC peripheral can implement hardware voting between redundant sensor paths without CPU interaction, reducing fault reaction time below 1 ms and supporting safety manuals for industrial process sensors.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC18F26Q10T-I/STX — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC18F26Q10-I/STX | PIC18F25Q10-I/STX | PIC18F24Q10-I/STX | PIC18F26K83-I/SS | PIC18F26Q10T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-VQFN (4x4) | 28-VQFN (4x4) - same | 28-VQFN (4x4) - same | 28-VQFN (4x4) - same | 28-SSOP - different footprint | 28-SSOP - different footprint |
| Flash Memory | 64 KB | 64 KB | 32 KB | 16 KB | 64 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 1 KB | 4 KB | 4 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 1 KB | 256 B |
| Max CPU Clock | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
主な差別化要因
- Higher Flash density than PIC18F25Q10 in same VQFN-28 footprint （vs PIC18F25Q10-I/STX)
- 5V-first design with wider supply range than K-series （vs PIC18F26K83-I/SS)
- Compact 4x4 mm VQFN package option （vs PIC18F26Q10T-I/SS)
設計ノート
The PIC18F26Q10T-I/STX requires a bulk decoupling capacitor of at least 1 uF between VDD and VSS, placed within 5 mm of the supply pin pair. Per Microchip datasheet recommendations, also place a 100 nF ceramic bypass on AVDD/AVSS within 3 mm of the analog supply pins. Use a low-ESR ceramic for both positions; switching power supply designs should add a 10 uF tantalum or polymer cap on VDD for transient suppression.
The 28-VQFN 4x4 mm package has an exposed thermal pad (EP) on the underside that must be soldered to a ground copper pour of at least 10 mm^2 for proper thermal performance. Per the Microchip PIC18F26Q10 datasheet, an unsoldered EP raises junction-to-ambient thermal resistance above 100 C/W, risking thermal shutdown at high CPU loads. Connect the EP to the ground plane with at least 5 thermal vias (0.3 mm drill, 0.6 mm pitch).
Route the ICSP pins RB6/RB7 (ICSDAT/ICSCLK) to a 6-pin header with dedicated traces, no series resistors in-circuit, and 0 ohm jumpers to disconnect during normal operation. The Microchip PIC18F26Q10 datasheet notes that ICSP pins are shared with general I/O; use the jumpers to prevent ICSP programmer loading from interfering with production firmware debug. Keep the ICSP traces shorter than 50 mm to avoid programming errors.
Do not configure the WWDT window period shorter than the longest main-loop iteration, or the MCU will reset unexpectedly during long ADC scans. Per the datasheet, enable the WWDT only after firmware validation is complete; the Windowed Watchdog is unforgiving on early-development code. When migrating from PIC18F46K22, note that PIC18F26Q10 uses ADC2 with computation registers - register names changed from ADCON0/ADRES to ADCON0/ADCLK/ADACQ.
Keep analog input traces short (<25 mm) and isolated from digital switching signals by a ground guard trace or via fence. Per the datasheet, the ADC2 with computation can achieve better than 10 ENOB with proper PCB layout; poor routing of analog inputs can degrade to 8 ENOB or less. Use a common-mode choke or RC filter on noisy analog sensor inputs feeding the PIC18F26Q10 ADC channels.
コンプライアンス情報
ROHS3 Compliant per Microchip product page. Halogen-free and lead-free confirmed. AEC-Q100 automotive qualification not listed - choose AEC-Q100 qualified PIC18 alternatives for automotive applications.
