PIC18F04Q41-I/ST - 8-bit 64MHz 16KB Flash MCU, TSSOP-14 | Microchip
Teilenummer: PIC18F04Q41-I/ST ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $1.85 | $1,85 |
| 10 | $1.71 | $17,10 |
| 100 | $1.55 | $155,00 |
| 500 | $1.38 | $690,00 |
| 1.000 | $1.2 | $1.200,00 |
PIC18F04Q41-I/ST Übersicht
An 8-bit microcontroller is a small, single-chip computer built around an 8-bit data bus and a Harvard or von Neumann architecture. Within the taxonomy it sits under MCU -> microcontroller -> embedded processor -> integrated circuit. The PIC18F04Q41 belongs to the PIC18 family of Microchip's 8-bit PIC microcontrollers, which add enhanced instruction set, hardware multiplier, and C-friendly architecture on top of the original PIC16 core, balancing low cost and ease of use with deterministic real-time behavior.
Key features include 16 KB Flash, 1 KB SRAM, 512 B EEPROM, 12-bit ADCC, two 8-bit DACs, one on-chip op-amp, 16-bit PWM with complementary outputs and fault handling, CLC (Configurable Logic Cell) peripherals, DMA, and a wide 1.8V to 5.5V supply range. The -I/ST industrial temperature grade spans -40C to +85C, while the TSSOP-14 footprint keeps the BOM small for space-constrained designs.
Technically, the PIC18-Q41 family integrates analog and digital signal conditioning directly on die, so a sensor front end, signal chain, and control loop can run from a single IC. The ADCC automates capacitive touch averaging, filtering, oversampling, and threshold decisions, while the CLC, 16-bit PWM, and op-amp enable hardware-level motor, lighting, and signal-conditioning loops without burdening the CPU.
Typical applications include capacitive touch keypads and sliders, IoT sensor nodes, LED lighting and color-mixing drivers, low-cost BLDC and brushed DC motor control, battery-powered instrumentation, and medical/industrial sensor signal conditioning. The integrated op-amp plus DAC pair is especially attractive for transducer excitation and signal conditioning.
When designing with this part, pay attention to the decoupling strategy: place a 100 nF ceramic plus 1 uF bulk capacitor near VDD, and provide a low-impedance ground return to keep ADC readings clean. Use the on-chip op-amp wisely - its bandwidth and offset must be budgeted against the analog signal chain. The TSSOP-14's exposed thermal pad on this small pin count package should still be soldered to a copper pour to dissipate switching noise.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in-Alternativen für PIC18F04Q41-I/ST – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18F04Q41-I/ST (gleiche Bauform und Footprint) – abweichend in PWM, ADC, DAC, Core Architecture, Operating Temperature.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F04Q41-E/ST
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F04Q41-I/SL
✅ Drop-In✓ Auf Lager
$0.85 / Stück
Datenblatt ansehen →PIC18F04Q40-I/ST
✅ Drop-In✓ Auf Lager
$0.82 / Stück
Datenblatt ansehen →PIC18F04Q41T-I/ST
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC18F04Q41-E/SL
✅ Drop-In✓ Auf Lager
$0.79 / Stück
Datenblatt ansehen →PIC18F04Q41-I/ST Grenzwerte & elektrische Eigenschaften
| Core | PIC18 8-bit RISC |
| Program Memory (Flash) | 16 KB (16K x 8) |
| SRAM | 1 KB |
| EEPROM | 512 B |
| Maximum CPU Clock | 64 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| ADC | 12-bit ADC with Computation (ADCC) |
| DAC | 2 x 8-bit DAC |
| Operational Amplifier | 1 x on-chip op-amp |
| PWM | 16-bit PWM with complementary outputs and fault input |
| DMA | Yes (Direct Memory Access) |
| Configurable Logic Cell (CLC) | Yes |
| Betriebstemperatur | -40C to +85C (Industrial, -I) |
| Gehäuse | 14-pin TSSOP (ST) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Lead-Free | Yes (per JLCPCB listing) |
PIC18F04Q41-I/ST Pin-Konfiguration
| Pin 1 | RA0/ANA0/INT0 — GPIO/analog input/interrupt |
| Pin 2 | RA1/ANA1 — GPIO/analog input |
| Pin 3 | RA2/ANA2 — GPIO/analog input |
| Pin 4 | RA3/ANA3/MCLR — GPIO/analog input/master clear (reset) |
| Pin 5 | VDD — Positive supply voltage |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RA4/ANA4 — GPIO/analog input |
| Pin 8 | RA5/ANA5 — GPIO/analog input |
| Pin 9 | RC0 — GPIO/peripheral I/O |
| Pin 10 | RC1 — GPIO/peripheral I/O |
| Pin 11 | RC2 — GPIO/peripheral I/O |
| Pin 12 | RC3 — GPIO/peripheral I/O |
| Pin 13 | RC4 — GPIO/peripheral I/O |
| Pin 14 | RC5 — GPIO/peripheral I/O |
Typische Anwendungen
PIC18F04Q41-I/ST ist geeignet für 6 Anwendungs: Capacitive Touch Keypads and Sliders, IoT Sensor Nodes and Edge Devices, LED Lighting and Color Mixing, Low-Cost BLDC and Brushed DC Motor Control, Battery-Powered Medical and Industrial Instrumentation, Sensor Signal Conditioning Front Ends.
Capacitive Touch Keypads and Sliders
The PIC18F04Q41-I/ST is purpose-built for capacitive touch human-machine interfaces. Its on-chip 12-bit ADC with Computation (ADCC) automates capacitive voltage divider (CVD) techniques, averaging, filtering, oversampling, and threshold comparison, eliminating the need for an external touch IC. The 16 KB Flash hosts a Microchip mTouch reference firmware while the 1 KB SRAM handles debounce and gesture state. With 1.8V to 5.5V VDD, the same part serves battery-powered remote controls (2x AA) and mains-powered appliances. The TSSOP-14 footprint keeps the BOM compact for small panel-mount keypads used in white goods, smart locks, and industrial controls.
Empfohlen
IoT Sensor Nodes and Edge Devices
For IoT sensor endpoints, the PIC18F04Q41-I/ST combines an 8-bit PIC18 core running at 64 MHz with on-chip op-amp, two 8-bit DACs, and a 12-bit ADCC that handles sensor readout, conditioning, and threshold decisions. According to the Microchip PIC18-Q41 family datasheet, the integrated signal chain lets a single IC interface directly to thermocouples, photodiodes, or strain-gauge bridges. DMA reduces CPU wake-time, an essential feature for battery-powered sensor nodes. The 1.8V to 5.5V VDD range supports coin-cell, AA, or Li-Ion chemistries, while the TSSOP-14 footprint fits inside sub-10 mm x 10 mm sensor modules.
Empfohlen
LED Lighting and Color Mixing
The PIC18F04Q41-I/ST supports multi-channel LED drivers with the on-chip 16-bit PWM featuring complementary outputs and a hardware fault input. This enables smooth dimming and color mixing without CPU overhead. Two 8-bit DACs can drive current-control loops for high-power LED strings, while the CLC peripheral implements custom timing logic in hardware. The wide 1.8V to 5.5V supply supports both 3.3V logic-level and 5V analog LED driver topologies. Compact TSSOP-14 packaging fits into MR16 bulbs, strip controllers, and architectural lighting fixtures where PCB real estate is tight.
Empfohlen
Low-Cost BLDC and Brushed DC Motor Control
For cost-sensitive brushed DC and small BLDC motors, the PIC18F04Q41-I/ST integrates the 16-bit PWM with complementary outputs and a fault input, enabling hardware commutation and overcurrent protection. The on-chip op-amp can sense motor current via a shunt resistor, while the 12-bit ADCC performs oversampling for accurate torque/speed control. DMA offloads commutation tables, freeing the CPU for higher-level control. With industrial temperature range (-40C to +85C) and a tiny TSSOP-14 footprint, this MCU fits into small appliance motors, fans, and toy-grade BLDC drives.
Empfohlen
Battery-Powered Medical and Industrial Instrumentation
In medical and industrial sensors, low power consumption and analog precision matter most. The PIC18F04Q41-I/ST offers 1.8V to 5.5V operation from a single Li-Ion or 2x AA cell, plus DMA-driven ADC bursts that minimize CPU wake time. The on-chip op-amp, dual 8-bit DACs, and 12-bit ADCC form a complete transducer signal chain. According to the datasheet, the ADCC supports hardware averaging for higher effective resolution. The TSSOP-14 industrial-grade package (-40C to +85C) suits portable pulse oximeters, glucometers, and process-control sensor transmitters.
Empfohlen
Sensor Signal Conditioning Front Ends
The PIC18F04Q41-I/ST serves as a compact analog front end for strain gauges, RTDs, and load cells. Its on-chip op-amp provides gain stage buffering, while the dual 8-bit DACs generate excitation voltages or offset trim. The 12-bit ADCC performs oversampling and digital filtering, and DMA streams results to SRAM. The 64 MHz CPU closes calibration loops in microseconds, and the configurable logic cell (CLC) implements zero-crossing detectors and comparators in hardware. The TSSOP-14 package fits alongside the sensor in tightly packed instrumentation modules.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F04Q41-I/ST – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F04Q41-E/ST | PIC18F04Q41-I/SL | PIC18F04Q40-I/ST | PIC18F04Q41T-I/ST | PIC18F04Q41-E/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) - same | 14-pin SOIC (SL) - pin-compatible | 14-pin TSSOP (ST) - same | 14-pin TSSOP (ST) - same | 14-pin SOIC (SL) - pin-compatible |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Temperature Grade | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C |
| ADCC (12-bit ADC w/ computation) | Yes | Yes | Yes | No (legacy ADC) | Yes | Yes |
| On-chip Op-Amp | 1 | 1 | 1 | 0 | 1 | 1 |
| 16-bit PWM (with complementary + fault) | Yes | Yes | Yes | No | Yes | Yes |
| DMA | Yes | Yes | Yes | Yes | Yes | Yes |
Wichtigste Unterscheidungsmerkmale
- ADCC with capacitive touch automation on-chip (vs. PIC18F04Q40-I/ST)
- On-chip operational amplifier eliminates external signal chain IC (vs. PIC18F04Q40-I/ST)
- 16-bit PWM with complementary outputs and fault input (vs. PIC18F04Q40-I/ST)
Designhinweise
Decouple VDD/VSS with a 100 nF ceramic placed within 5 mm of the VDD pin, plus a 1 uF bulk capacitor on the same rail. The PIC18F04Q41's ADCC and on-chip op-amp are sensitive to supply ripple; insufficient decoupling introduces ADC noise and op-amp offset drift. The wide 1.8V to 5.5V VDD range means a clean low-ESR LDO is recommended upstream.
Keep the analog and digital grounds separated and joined at a single point near the MCU's VSS pin. The TSSOP-14's exposed thermal pad (if present in this variant) should be soldered to a small ground copper pour to dissipate switching transients. Route ADC input traces away from PWM or switching signals to preserve 12-bit ADCC accuracy.
Estimated: the on-chip op-amp bandwidth is approximately 1 MHz at unity gain; do not assume it can drive high-capacitance loads without stability compensation. The 12-bit ADCC requires careful CVD timing configuration for capacitive touch - consult Microchip's TB3166 application note for proper sequencing. The MCLR pin is shared with RA3, so external reset circuits must not interfere with analog functions on that pin.
Compliance-Informationen
RoHS and lead-free status per JLCPCB and DigiKey product listings. AEC-Q100 automotive qualification not applicable for industrial -I/ST grade; PIC18F04Q41-E/ST extended temp grade is for industrial use. REACH and conflict-minerals compliance declared by Microchip via standard product documentation.
