PIC18F26Q10T-I/SS - 8-Bit 64MHz 64KB Flash MCU 28-SSOP | Microchip
MPN: PIC18F26Q10T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.95 | $1.95 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.35 | $675.00 |
| 1,000 | $1.18 | $1,180.00 |
| 3,000 | $1.05 | $3,150.00 |
PIC18F26Q10T-I/SS Overview
An 8-bit microcontroller (MCU) is a programmable semiconductor that integrates a CPU, memory, and peripheral interfaces onto a single chip, executing instructions one byte at a time and serving as the embedded control brain for countless consumer, industrial, and automotive products. The PIC18 family sits within Microchip's broader 8-bit MCU hierarchy (PIC10/12/16/18), which itself belongs to the microcontroller category under microcontrollers and digital ICs.
Key features of the PIC18F26Q10 include 5V operation for increased noise immunity, integrated intelligent analog peripherals (10-bit ADC with computation, 5-bit DAC, comparators), configurable logic cells (CLCs), peripheral pin select (PPS) for flexible signal routing, and Core Independent Peripherals (CIPs) including CWG, HLT, WWDT, SCAN and CRC. The PIC18-Q10 family is optimized for real-time control and sensor node applications with functional safety (FuSa) features and XLP (eXtreme Low Power) technology.
Architecturally, the device uses Microchip's enhanced PIC18 CPU core with hardware multiplier, support for both C and assembly programming via MPLAB X IDE, and a modified Harvard architecture enabling simultaneous instruction fetch and data access. The PIC18F26Q10 also provides up to 25 I/O pins, multiple communication peripherals (I2C, SPI, UART with LIN support), and PWM/SCCP modules for motor and power control.
Typical applications include industrial sensor nodes, home appliance control, motor control loops, automotive body electronics, IoT edge devices, and battery-powered products requiring low standby current. The 5V capability makes this MCU especially suited to noise-tolerant environments like HVAC controls, white goods, and automotive subsystems where signal integrity over long harnesses is critical.
When designing with the PIC18F26Q10, ensure the integrated high-performance signal routing (PPS) is configured early in the firmware to remap peripherals to the chosen pins. For low-power designs, leverage the XLP modes combined with the Windowed Watchdog Timer (WWDT) and Hardware Limit Timer (HLT) for autonomous safety behavior independent of CPU execution.
This page synthesizes distributor pricing tiers, drop-in same-package alternatives drawn from the PIC18 family, practical MPLAB-based design notes, and parametric comparison data not assembled in any single manufacturer document.
Drop-in alternatives for PIC18F26Q10T-I/SS — 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 PIC18F26Q10T-I/SS (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Core, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26Q10-I/SS
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC18F26K83-I/SS
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC18F26K42-I/SS
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC18F26K40-I/SS
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC18F25K83T-I/MX
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.82 / Unit
View Datasheet →PIC18F26Q10T-I/SS Maximum Ratings & Electrical Characteristics
| Core | PIC18 |
| Operating Frequency | 64 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM Size | 4 KB |
| EEPROM Size | 256 B |
| Data Bus Width | 8-bit |
| I/O Pins | 25 |
| Package | 28-SSOP (5.30 mm width) |
| Supply Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +85 C |
| ADC | 10-bit with computation |
| DAC | 5-bit |
| Connectivity | I2C, SPI, UART (LIN-capable) |
| PWM Channels | Multiple (CCP/SCCP) |
| Special Features | CLC, PPS, CWG, HLT, WWDT, SCAN, CRC, XLP, CIPs |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC18F26Q10T-I/SS Pin Configuration
| Pin 1 | RA0/AN0/C1IN0-/C2IN0-/DAC1LIN0/CLCIN0 — PORTA bit 0, analog input, comparator input, DAC input |
| Pin 2 | RA1/AN1/C1IN1-/C2IN1-/DAC1LVIN0-/CLCIN1 — PORTA bit 1, analog input, comparator input |
| Pin 3 | RA2/AN2/DAC1OUT1/CLCIN2 — PORTA bit 2, analog input, DAC output, CLC input |
| Pin 4 | RA3/AN3/VREF-/C1IN1+ — PORTA bit 3, analog input, VREF-, comparator input |
| Pin 5 | RA4/T0CKI/CLCIN3 — PORTA bit 4, Timer0 clock, CLC input |
| Pin 6 | RA5/AN4/C1IN2-/C2IN2-/HLT_PPS — PORTA bit 5, analog input, HLT PPS output |
| Pin 7 | RA6/CLKOUT/OSC2 — PORTA bit 6, clock out, oscillator output |
| Pin 8 | RA7/CLKIN/OSC1 — PORTA bit 7, clock in, oscillator input |
| Pin 9 | RB0/INT0/CCP4 — PORTB bit 0, external interrupt, CCP4 |
| Pin 10 | RB1/INT1/C1INC — PORTB bit 1, external interrupt, comparator output |
| Pin 11 | RB2/INT2/CAN-TX — PORTB bit 2, external interrupt |
| Pin 12 | RB3/INT3/CAN-RX — PORTB bit 3, external interrupt, I2C SDA |
| Pin 13 | RB4/IOC — PORTB bit 4, interrupt-on-change |
| Pin 14 | RB5/IOC — PORTB bit 5, interrupt-on-change |
| Pin 15 | RB6/IOC — PORTB bit 6, interrupt-on-change, ICP |
| Pin 16 | RB7/IOC — PORTB bit 7, interrupt-on-change |
| Pin 17 | VSS — Ground |
| Pin 18 | VDD — Positive power supply (1.8V-5.5V) |
| Pin 19 | RC0/PWM1 — PORTC bit 0, PWM output |
| Pin 20 | RC1/PWM2 — PORTC bit 1, PWM output |
| Pin 21 | RC2/PWM3 — PORTC bit 2, PWM output |
| Pin 22 | RC3/SCL1 — PORTC bit 3, I2C clock |
| Pin 23 | RC4/SDA1 — PORTC bit 4, I2C data |
| Pin 24 | RC5 — PORTC bit 5, GPIO |
| Pin 25 | RC6/TX/CK — PORTC bit 6, UART TX, clock output |
| Pin 26 | RC7/RX/DT — PORTC bit 7, UART RX, data output |
| Pin 27 | RE3/MCLR — PORTE bit 3, master clear reset |
| Pin 28 | VSS — Ground reference |
Typical Applications
PIC18F26Q10T-I/SS is suitable for 7 applications: Industrial Sensor Nodes, Home Appliance Control, BLDC Motor Control, Automotive Body Electronics, IoT Edge Devices and Wearables, White Goods and HVAC, Battery-Operated Remote Controls.
Industrial Sensor Nodes
The PIC18F26Q10T-I/SS fits industrial sensor nodes because its 1.8V to 5.5V supply and 5V I/O tolerance let it connect directly to 24V/5V sensor pre-conditioning without level shifters, while the integrated 10-bit ADC-with-computation ADC2 enables autonomous threshold detection. The 64KB Flash and 4KB RAM allow on-chip averaging filtering and protocol stacks, and the XLP mode reduces standby current. Use with a CWG for sensor excitation drive and CIPs to wake on threshold crossings.
Recommended
Home Appliance Control
The PIC18F26Q10T-I/SS is ideal for home appliance controllers such as washing machines, dishwashers, and HVAC thermostats due to its 5V operation for noise immunity on long wiring harnesses and rich peripheral set including CCP/PWM, I2C, SPI, and UART. Its configurable logic cells (CLCs) enable capacitive touch and zero-cross detection without external logic, reducing BOM cost. The 64KB Flash supports full-feature UI libraries. Pair with HLW8012 for energy metering.
Recommended
BLDC Motor Control
For 3-phase BLDC and PMSM motor control in tools, fans, and small appliances, the PIC18F26Q10T-I/SS supplies Complementary Waveform Generator (CWG) for synchronous MOSFET driving with hardware dead-band, plus CCP/SCCP modules for back-EMF sampling and PID loop PWM. While benchmark DSP-style MCUs are alternatives for advanced FOC, this 8-bit device excels at sensored BLDC trapezoidal control at moderate speeds. Combine with TC4427 gate drivers.
Recommended
Automotive Body Electronics
The PIC18F26Q10T-I/SS is well-suited for non-safety automotive body modules such as lighting controllers, mirror adjusters, and HVAC flaps because the 5V I/O tolerance over -40C to +85C handles under-hood thermal stress, and the LIN-capable UART supports LIN bus sub-modules. While the standard Q10 is not AEC-Q100 qualified, the pin-compatible AEC-Q100 screened variants exist in the same 28-SSOP. Validate EMI/ESD against ISO 7637 design rules.
Recommended
IoT Edge Devices and Wearables
Battery-powered IoT edge devices and wearables benefit from the PIC18F26Q10T-I/SS XLP (eXtreme Low Power) deep-sleep current under 1 microamp, configurable hardware peripherals that run without waking the CPU, and 64KB Flash for on-board sensor fusion routines. Integrate with a low-power sub-GHz or Bluetooth LE transceiver via SPI for tethered connectivity. The CLC and PPS let designers route peripherals without rewiring the PCB.
Recommended
White Goods and HVAC
The PIC18F26Q10T-I/SS is a strong choice for white goods (refrigerators, ovens) and HVAC damper controllers because of 5V operation for noisy mains-coupled environments, configurable logic for triac zero-cross firing, and Windowed Watchdog Timer (WWDT) for IEC 60730 class-B functional safety compliance. The 64MHz core plus 4KB RAM holds control and safety code in a single chip. Pair with a triac driver and insulated mains-voltage sensing resistor network.
Recommended
Battery-Operated Remote Controls
For handheld remote controls and wireless wall switches, the PIC18F26Q10T-I/SS XLP modes enable multi-year coin-cell battery life, hardware limit timers free up the CPU, and 5V I/O tolerance simplifies interface to capacitive-touch or keypad front-ends. The 28-SSOP small footprint fits inside narrow enclosures. Combine with a small SPI-driven RF IC for low-power one-way communication.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F26Q10T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26Q10-I/SS | PIC18F26K83-I/SS | PIC18F26K42-I/SS | PIC18F26K40-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC18 (8-bit) | PIC18 (8-bit) | PIC18 (8-bit) | PIC18 (8-bit) | PIC18 (8-bit) |
| Max CPU Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 1024 B |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Pins | 25 | 25 | 25 | 25 | 25 |
| Industrial Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Same 28-SSOP pinout as the rest of the K83/K42/K40 family for true drop-in reuse (vs PIC18F26K83-I/SS)
- Functional Safety (FuSa) feature set (vs PIC18F26K40-I/SS)
- 5V operation over the entire 1.8V to 5.5V range (vs PIC18F26K83-I/SS (2.3V minimum))
- Industrial 'I' temperature grade standard (vs PIC18F26K40T-I/SS (extended temperature option))
Design Notes
Estimated: Decouple VDD (pin 20) with a 100nF X7R ceramic capacitor as close as possible to the pin (less than 3mm trace length), plus a bulk 10uF tantalum or aluminum-polymer on the supply rail. Add a ferrite bead if the supply shares a switching regulator. Use a clean analog AVSS/AVDD pair if available; the PIC18-Q10 datasheet recommends tying unused analog pins to AVSS to minimize leakage.
Keep the SSOP-28 footprint within the standard 28-SSOP land pattern (1.0 mm pitch, 0.42 mm pad width per JEDEC JEP95). Match the layout of pins 17, 18, and 28 (VSS/VDD) to the K83/K42/K40 alternative so any drop-in replacement requires no rework. Route the 25 I/O lines to accessible header pins for development; place the ICSP PGECx/PGEDx program/debug pins on a 6-pin 0.1 inch header so the MPLAB ICD 4 can be connected in-circuit.
Do not exceed VDD max of 5.5V or the part will latch-up. ICSP programming requires the PICKIT/ICD to drive MCLR through a resistor (typically 10k) without disturbing the user's reset circuit. The PPS (peripheral pin select) assignments MUST be committed before enabling peripherals - configuring PPS at runtime without unlocking the IOLOCK bit leads to lockouts. Watch for HAL drivers that fail silently when Fosc/4 instruction cycles exceed 64MHz.
For mixed-signal designs, segregate the analog port A pins from switching digital lines and clock traces to avoid coupling noise into the 10-bit ADC. Place a ground pour under the IC and stitch with vias every 5-7 mm to provide a low-impedance return path for the 64MHz core switching currents. If using the 5-bit DAC, route the DAC1 output trace away from digital clocks and add a 100nF filter cap if the downstream stage has high impedance.
The UART/CCP/PWM outputs can drive both 3.3V and 5V loads without configuration, but the I2C SCL/SDA lines require external 4.7k pull-ups to VDD (not 3.3V) when operating in 5V mode per the Microchip PIC18-Q10 family datasheet. For long I2C traces above 50mm, place a series resistor (22-100 ohm) at the master output to dampen overshoot.
Compliance Information
Standard industrial-grade ('I') variant is not AEC-Q100 qualified; AEC-Q100 screened variants are ordered separately per Microchip product tree. RoHS/REACH compliance confirmed via manufacturer product page; lead-free and halogen-free per Microchip PIC18 family datasheet. No conflict-mineral violations disclosed per industry standard reports.
