PIC18F06Q41T-I/SL - 8-bit 64MHz MCU 64KB Flash 14-SOIC | Microchip
MPN: PIC18F06Q41T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.95 | $0.95 |
| 10 | $0.86 | $8.60 |
| 100 | $0.74 | $74.00 |
| 500 | $0.62 | $310.00 |
| 1,000 | $0.5186 | $518.60 |
PIC18F06Q41T-I/SL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of peripherals such as timers, ADC, DAC, communication interfaces and CIPs. PIC18F devices sit at the top of Microchip's 8-bit portfolio with an enhanced instruction set, 16-bit-wide instruction path and vectored interrupt architecture, while the Q41 sub-family layers analog-rich peripherals on top of this core.
Key features of the PIC18F06Q41T-I/SL include a 12-bit ADC with Computation (ADCC), two 8-bit DACs, a 16-bit PWM module, an on-chip operational amplifier, zero-cross detection, a hardware limit timer and Configurable Logic Cell (CLC) blocks. CIPs allow AD conversion, threshold comparison and signal generation without CPU intervention, easing deterministic firmware in motor, lighting and sensor-interface products.
The part operates from 1.8 V to 5.5 V VDD, supports up to 64 MHz internal or external clocking, and offers multiple low-power modes (Doze, Idle and Sleep with <100 nA typical). Integrated DMA and vectored interrupts keep latency predictable when the analog front-end and PWM are active simultaneously, which is critical for tight-loop control.
Typical applications include LED lighting drivers, BLDC/PMSM motor control, sensor signal conditioning, industrial control loops, medical wearables, IoT end-nodes, and battery-powered instrumentation. The 14-SOIC footprint makes it attractive where PCB area is constrained but analog performance is non-negotiable.
When designing with this device, mind the 14-pin pinout: only one dedicated I/O port is available, so prioritizing which peripherals map to which pins is essential during schematic capture. Always refer to the Microchip PIC18F06/16Q41 datasheet for pin muxing, IDDx limits and programming/debug interface requirements.
This page synthesizes distributor pricing, drop-in alternatives and engineering notes that go beyond the manufacturer datasheet, helping procurement and design engineers converge on the right 8-bit MCU faster.
Drop-in alternatives for PIC18F06Q41T-I/SL — 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 PIC18F06Q41T-I/SL (same form factor and footprint) — differing in Operating Temperature, Package, DAC, Program Memory (Flash), EEPROM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F06Q41T-I/ST
✅ Drop-In✓ In Stock
$0.84 / Unit
View Datasheet →PIC18F06Q41T-I/SLVAO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC18F05Q41T-I/SL
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC18F06Q40T-I/SL
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC18F06Q41T-I/SL Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC18FxxQ41 |
| Core | PIC18 (8-bit, enhanced instruction set) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 4 KB |
| EEPROM | 512 bytes |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| ADC | 12-bit ADC2 with Computation |
| DAC | 2 x 8-bit DAC |
| PWM | 16-bit PWM |
| On-chip Operational Amplifier | Yes |
| CIPs | CLC, ZCD, hardware limit timer, DMA |
| Operating Temperature | -40C to +85C (Industrial, I-suffix) |
| Package | 14-SOIC (NSOIC-14, 3.9 mm body) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Packaging | Tape & Reel (T-suffix) |
| Programming/Debug | ICSP (ICD) |
PIC18F06Q41T-I/SL Pin Configuration
| Pin 1 | RA0/ICSPDAT — Bidirectional I/O / ICSP data |
| Pin 2 | RA1/ICSPCLK — Bidirectional I/O / ICSP clock |
| Pin 3 | RA2 — Bidirectional I/O / analog input |
| Pin 4 | RA3 — Bidirectional I/O / MCLR shared |
| Pin 5 | RA4 — Bidirectional I/O / analog input |
| Pin 6 | VDD — Positive supply |
| Pin 7 | VSS — Ground |
| Pin 8 | RA5 — Bidirectional I/O / analog input |
| Pin 9 | RC0 — Bidirectional I/O |
| Pin 10 | RC1 — Bidirectional I/O |
| Pin 11 | RC2 — Bidirectional I/O / analog input |
| Pin 12 | RC3 — Bidirectional I/O / analog input |
| Pin 13 | RC4 — Bidirectional I/O |
| Pin 14 | RC5 — Bidirectional I/O |
Typical Applications
PIC18F06Q41T-I/SL is suitable for 6 applications: LED Lighting Drivers, BLDC / PMSM Motor Control, Industrial Sensor Signal Conditioning, IoT Edge Sensor Nodes, Medical Wearable Monitoring, Battery-Powered Instrumentation.
LED Lighting Drivers
The PIC18F06Q41T-I/SL fits LED lighting driver designs because its 16-bit PWM provides fine dimming resolution at up to 64 MHz CPU clock, while the 12-bit ADC with Computation samples feedback current accurately. The two 8-bit DACs generate reference levels for constant-current loops without external components. CLC blocks combine PWM and comparator outputs into hardware-driven fault response within nanoseconds, eliminating CPU jitter. Low-power Sleep under 100 nA enables standby for energy-starved fixtures.
Recommended
BLDC / PMSM Motor Control
Sensor-driven motor control benefits from the PIC18F06Q41T-I/SL's 16-bit PWM, zero-cross detect and hardware limit timer, which together deliver field-oriented control loops without software overhead. The 64 MHz CPU gives 16 MIPS to compute Park/Clarke transforms while CIPs sample phase currents at zero software latency. Configurable Logic Cells synthesize dead-time insertion in hardware. The 14-SOIC package fits compact 1 cm^2 sensorless fan or pump boards.
Recommended
Industrial Sensor Signal Conditioning
The PIC18F06Q41T-I/SL integrates an on-chip operational amplifier, 12-bit ADCC and 8-bit DAC, eliminating the external analog front-end that bridges and load-cell interfaces normally require. The op-amp gain stage feeds the ADCC with hardware averaging, while CLC triggers threshold alerts without waking the CPU. From 1.8 V to 5.5 V VDD, the device operates from 2-cell battery or industrial 24 V buck rails, making it a versatile low-side analog processor.
Recommended
IoT Edge Sensor Nodes
Battery-powered IoT nodes benefit from the PIC18F06Q41T-I/SL's <100 nA Sleep, DMA-driven wake-and-sample CIPs, and 1.8 V minimum VDD that lets it run from a single lithium coin cell. The Q41's ADCC with averaging and threshold detection wakes the CPU only when a meaningful event occurs, extending battery life to years in duty-cycled sensing applications. UART/SPI/I2C peripherals connect to radios and sensors.
Recommended
Medical Wearable Monitoring
Wearable medical devices such as pulse oximeters, heart-rate straps and continuous glucose monitors rely on the PIC18F06Q41T-I/SL's low-power analog chain - the on-chip op-amp and 12-bit ADCC provide photodiode signal conditioning without external amplifiers. DMA keeps the CPU asleep while ADCC oversamples and averages at low data rates. Industrial-grade temperature range supports body-area applications, and the small 14-SOIC footprint fits wristband form factors.
Recommended
Battery-Powered Instrumentation
Handheld test equipment and field instruments use the PIC18F06Q41T-I/SL because the 12-bit ADCC, on-chip op-amp and dual DAC create a complete mixed-signal front-end in one 14-pin SOIC. 1.8 V minimum operation allows direct connection to a single Li-ion cell, and Sleep below 100 nA preserves shelf life. The 64 KB Flash accommodates calibration tables and small USB-CDC firmware stacks for tethered diagnostics.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F06Q41T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F06Q41T-I/ST | PIC18F06Q41T-I/SLVAO | PIC18F05Q41T-I/SL | PIC18F06Q40T-I/SL |
|---|---|---|---|---|---|
| Package | 14-SOIC (NSOIC-14) | 14-TSSOP - same die | 14-SOIC - automotive | 14-SOIC - same | 14-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB |
| On-chip Op-Amp | Yes | Yes | Yes | Yes | No |
| 8-bit DACs | 2 | 2 | 2 | 2 | 0 |
| Maximum Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| AEC-Q100 | No (Industrial) | No (Industrial) | Yes | No (Industrial) | No (Industrial) |
Key Differentiators
- Integrated analog chain eliminates external op-amp and dual DAC (vs PIC18F06Q40T-I/SL)
- 16 KB more Flash than F05 sibling (vs PIC18F05Q41T-I/SL)
- Industrial temperature range with full analog performance (vs Generic PIC18F06Q41-E/SL)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to VDD (pin 6) with a short trace to VSS (pin 7). For 64 MHz operation, add a bulk 1 uF to 10 uF ceramic nearby to suppress transients when ADC and PWM operate concurrently. Keep analog traces (RA2/RA4/RA5/RC2/RC3) short and guarded from PWM-switching signals to preserve ADCC accuracy.
Estimated: at 64 MHz with all peripherals active, VDD = 3.3 V and IO load near zero, IDD is approximately 8 mA to 10 mA typical; in Sleep mode current drops below 100 nA. Design battery budgets accordingly and verify against Microchip IDDx curves in the datasheet DC Characteristics section before locking the power tree.
Pin 4 (RA3/MCLR) is the only MCLR-capable pin on the 14-SOIC variant. If the design relies on the internal MCLR disabled mode, ensure the ICSP programming sequence still works (RA3 must be pulled low externally or the device is bricked). Also note that RA1/RA0 default to ICSP clock/data, so ascribe peripheral functions only after disabling ICD.
Route ICSPCLK and ICSPDAT to a 6-pin header that is accessible after PCB assembly for in-field firmware updates. Place the debug header on the board edge or test pad pattern; otherwise, expensive rework tooling is required to re-flash production units. Maintain 50 ohm single-ended impedance on these signals if traces exceed 25 mm.
Compliance Information
Industrial temperature grade only; use VAO suffix variant for AEC-Q100. RoHS/REACH compliance confirmed on Microchip product page.
