PIC24F16KL401T-I/MQ - 16KB Flash 32MHz 16-bit MCU | Microchip
N.º da peça: PIC24F16KL401T-I/MQ ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.41 | $2,41 |
| 10 | $2.18 | $21,80 |
| 100 | $1.84 | $184,00 |
| 500 | $1.62 | $810,00 |
| 1.000 | $1.45 | $1.450,00 |
PIC24F16KL401T-I/MQ Visão geral
What is a 16-bit microcontroller? A 16-bit MCU is a single-chip processor with a 16-bit data path, sitting between 8-bit microcontrollers and 32-bit Cortex-M parts. It is widely used for cost-sensitive mixed-signal applications that need more performance, larger memory and richer peripherals than 8-bit parts but do not justify the BOM cost and power of a Cortex-M0/M4. PIC24F belongs to the Microchip PIC24 family -> 16-bit MCU -> microcontroller -> embedded processing hierarchy.
Key features include 16KB (5.5K x 24) Flash program memory, 1KB SRAM, 512B EEPROM-like data flash, 10-bit ADC with up to 9 or 12 channels (variant dependent), 5 CCP/ECCP channels, UART/I2C/SPI peripherals, and nanoWatt XLP sleep currents suitable for battery-powered designs. Operating voltage spans 1.8V to 3.6V.
Architecturally, the PIC24F16KL401T-I/MQ combines a 16-bit modified RISC core, an 8-channel hardware multiplier, a 16-bit wide instruction fetch path and dual oscillator options (internal FRC + external crystal/clock). The 'KL' family emphasizes low pin count (14, 20, 28 pin) with the PIC18 peripheral set migrated upward for code-reuse and easy migration from PIC18 designs.
Typical applications include portable consumer devices, electronic toys, low-cost medical disposables, safety/security peripherals, sensor interfaces, and battery-powered IoT nodes. The compact 5x5mm VQFN package suits space-constrained PCB layouts.
Design tip: Place a 0.1uF decoupling capacitor within 5mm of each VDD pin and a bulk 1uF to 10uF capacitor on the main rail. Use the internal FRC for BOM-cost sensitive designs; switch to an external oscillator only when precise UART baud rates are required. The 'T' suffix denotes tape-and-reel packaging for production.
This page synthesizes distributor pricing, drop-in 20-VQFN alternatives, and practical design notes not aggregated on a single datasheet page.
Alternativas drop-in para PIC24F16KL401T-I/MQ — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24F16KL401T-I/MQ (mesmo formato e footprint) — diferindo em Package, ADC, I/O Pins, Operating Temperature, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24F16KL401-I/MQ
✅ Drop-In✓ Em estoque
$1.91 / unidade
Ver ficha técnica →PIC24F16KL401T-E/MQ
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24F08KL201T-I/MQ
✅ Drop-In✓ Em estoque
$1.78 / unidade
Ver ficha técnica →PIC24F16KA101-I/MQ
✅ Drop-In✓ Em estoque
$1.65 / unidade
Ver ficha técnica →PIC24F04KL101T-I/MQ
✅ Drop-In✓ Em estoque
$0.93 / unidade
Ver ficha técnica →PIC24F16KL401T-I/MQ Classificações máximas e características elétricas
| Core Architecture | PIC24F 16-bit RISC |
| CPU Core | PIC24F (nanoWatt XLP) |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| SRAM | 1 KB |
| Data EEPROM/Flash | 512 B |
| ADC | 10-bit |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Encapsulamento | 20-VQFN (MQ) 5x5 mm with exposed pad |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40 C to +85 C (industrial, -I) |
| Communication Peripherals | UART, I2C, SPI (MSSP) |
| PWM / CCP | CCP/ECCP, 5 channels per datasheet family |
| Timers | Timer1 (16-bit), Timer2/3 (16-bit), 8-bit option per datasheet |
| Packaging Suffix | T = Tape & Reel |
| Status RoHS | Compliant |
Configuração de pinos do PIC24F16KL401T-I/MQ
| Pino 1 | RA0 — Port A bit 0 / analog input |
| Pino 2 | RA1 — Port A bit 1 / analog input |
| Pino 3 | RA2 — Port A bit 2 / analog input / reference |
| Pino 4 | RA3 — Port A bit 3 / analog input |
| Pino 5 | RA4 — Port A bit 4 |
| Pino 6 | VDD — Positive supply (1.8V-3.6V) |
| Pino 7 | VSS — Ground reference |
| Pino 8 | OSCI — Crystal oscillator input / external clock |
| Pino 9 | OSCO — Crystal oscillator output |
| Pino 10 | RB0 — Port B bit 0 |
| Pino 11 | RB1 — Port B bit 1 |
| Pino 12 | RB2 — Port B bit 2 |
| Pino 13 | RB3 — Port B bit 3 |
| Pino 14 | RB4 — Port B bit 4 |
| Pino 15 | RB5 — Port B bit 5 |
| Pino 16 | RB6 — Port B bit 6 / programming clock |
| Pino 17 | RB7 — Port B bit 7 / programming data |
| Pino 18 | RC0 — Port C bit 0 |
| Pino 19 | RC1 — Port C bit 1 |
| Pino 20 | MCLR — Master clear reset (active-low) |
Aplicações típicas
PIC24F16KL401T-I/MQ é adequado para 6 aplicaçãos: Portable Consumer Electronics, Low-Cost Medical Disposables, Battery-Powered IoT Sensor Nodes, Safety and Security Peripherals, Industrial Control Modules, Hobby and Educational Development Boards.
Portable Consumer Electronics
The PIC24F16KL401T-I/MQ fits portable consumer electronics because its nanoWatt XLP architecture delivers microamp-range sleep currents, extending battery life in devices such as media players, GPS accessories and electronic toys. The 16-bit PIC24F core at 32 MHz (16 MIPS) handles UI rendering, button-debounce logic and simple audio cue playback without offloading to a host processor. Operating from 1.8V to 3.6V, the MCU runs directly from a single Li-ion or 2xAA cell. The 20-VQFN 5x5 mm footprint is small enough for wearable and pocketable form factors, and the integrated 10-bit ADC simplifies battery-voltage monitoring and analog sensor reads without an external ADC.
Recomendado
Low-Cost Medical Disposables
The PIC24F16KL401T-I/MQ suits low-cost medical disposables (e.g., single-use testers, dispensers, inhalers) because it offers enough MIPS for measurement algorithms while consuming minimal current between sample events. The 10-bit ADC digitizes sensor bridge outputs, thermistor readings or simple colorimetric detectors with adequate resolution for screening applications. Industrial -40 C to +85 C operation covers clinical and home-use temperature ranges. The 20-VQFN package's small footprint allows integration into slim pen-style enclosures, while the 1.8V to 3.6V range supports coin-cell and primary Li-MnO2 chemistries used in disposable devices.
Recomendado
Battery-Powered IoT Sensor Nodes
The PIC24F16KL401T-I/MQ fits battery-powered IoT sensor nodes because the nanoWatt XLP sleep mode plus 32 MHz active performance balance wake-and-transmit bursts with year-long battery life. The integrated 10-bit ADC supports analog environmental sensors (temperature, humidity, gas), and the MSSP drives I2C/SPI digital sensors without external glue logic. UART connectivity pairs with low-power RF modules (LoRa, sub-GHz transceivers) for wake-on-event architectures. The 20-VQFN's exposed thermal pad aids continuous-operation reliability in enclosed sensor housings, while the 1.8V minimum VDD allows operation from a single-cell alkaline or LiFePO4 battery.
Recomendado
Safety and Security Peripherals
The PIC24F16KL401T-I/MQ fits safety and security peripherals (e.g., smoke detectors, glass-break sensors, PIR motion detectors, smart locks) because it combines low-power sleep with sufficient MIPS to run signal-conditioning and event-classification algorithms locally. The 10-bit ADC samples low-level analog signals from PIR, microwave-Doppler or acoustic transducers without external amplification for many designs. CCP/ECCP channels drive piezo buzzers or LED strobes for alarm annunciation. Industrial -40 C to +85 C operation supports garage, outdoor and unheated-attic installations. The 20-VQFN 5x5 mm package mounts on compact circular PCBs used in detector heads.
Recomendado
Industrial Control Modules
The PIC24F16KL401T-I/MQ fits industrial control modules such as small PLCs, sensor conditioners and HVAC peripherals because the 16-bit core handles Modbus RTU stacks, PID loops and PWM actuator control at 32 MHz with headroom. UART enables RS-485 half-duplex comms with external transceivers, while MSSP drives I2C sensor hubs and SPI DACs for analog output. The industrial -40 C to +85 C temperature grade supports cabinet and unconditioned-shop environments. The 20-VQFN package is small enough for DIN-rail module faceplates, and 16KB Flash allows field-upgradeable firmware via bootloader routines.
Recomendado
Hobby and Educational Development Boards
The PIC24F16KL401T-I/MQ fits hobby and educational development boards because the 16-bit PIC24 architecture is widely taught, supported by MPLAB X IDE, XC16 compiler and a rich library of code examples. The 32 MHz performance, 16KB Flash and 1KB SRAM are sufficient for teaching embedded C, peripheral driver development and simple RTOS concepts. The 20-VQFN (MQ) package can be broken out to 0.1 inch headers on a development PCB, exposing I2C/SPI/UART/ADC/PWM pins for student experimentation. Operating from 1.8V to 3.6V also makes them safe for classroom and lab environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24F16KL401T-I/MQ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24F16KL401-I/MQ | PIC24F16KL401T-E/MQ | PIC24F08KL201T-I/MQ | PIC24F16KA101-I/MQ | PIC24F04KL101T-I/MQ |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-VQFN (MQ) 5x5 mm | 20-VQFN (MQ) 5x5 mm - same | 20-VQFN (MQ) 5x5 mm - same | 20-VQFN (MQ) 5x5 mm - same | 20-VQFN (MQ) 5x5 mm - same | 20-VQFN (MQ) 5x5 mm - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 8 KB | 16 KB | 4 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 512 B |
| CPU Speed | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 C to +85 C (industrial, -I) | -40 C to +85 C | -40 C to +125 C (extended, -E) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
Principais diferenciais
- 16 KB Flash in a 5x5 mm VQFN - higher density than 8-bit alternatives (vs PIC24F08KL201T-I/MQ (8 KB Flash in same footprint))
- Industrial temperature range with the same low-power features as extended-temp parts (vs PIC24F16KL401T-E/MQ (-40 C to +125 C extended))
- Pin-compatible upgrade path to the legacy PIC16KA family (vs PIC24F16KA101-I/MQ (KA generation, same 20-VQFN))
Notas de projeto
Estimated decoupling: place a 0.1 uF ceramic capacitor within 5 mm of each VDD pin and a bulk 1 uF to 10 uF aluminum-polymer or ceramic capacitor on the main 3.3 V rail. The PIC24F16KL401T-I/MQ's nanoWatt XLP architecture is sensitive to supply-rail noise; ensure the regulator (such as MCP1700) maintains <50 mV peak-peak ripple. For battery-powered designs, use Sleep + RTCC wake cycles and disable the ADC during long idle periods to enter the deepest low-power modes documented in the family datasheet.
The 20-VQFN (MQ 5x5) package has an exposed thermal pad on the underside that MUST be soldered to a grounded copper pour for mechanical reliability and thermal dissipation. Recommended footprint: 0.5 mm pitch, with the EP land matching the package outline. Microchip's package outline drawing in the family datasheet provides exact dimensions. Keep analog signal traces (ADC inputs, VREF+) short and away from digital switching lines to minimize ADC noise pickup. Place the crystal or external clock source within 5 mm of OSCI/OSCO.
Common pitfalls with the PIC24F16KL401T-I/MQ include: (1) leaving the MCLR pin floating - it must be pulled up to VDD through a 10 kohm resistor for normal operation; (2) exceeding the 3.6 V absolute-maximum VDD - even brief overvoltage from a USB charger or inductive kickback can damage the MCU; (3) omitting the bulk decoupling capacitor and seeing brown-out resets during transmit bursts; (4) confusing the 'T' suffix (tape-and-reel) with a different silicon variant - it is the same die as the non-T part. Always configure the unused pins as outputs low to minimize current consumption per the unused-pin recommendation in the family datasheet.
Informações de conformidade
RoHS and REACH compliance per Microchip product page ordering information. AEC-Q100 standard automotive qualification not applicable for the industrial -I grade; the PIC24F16KL401T-E/MQ extended grade is not AEC-Q100 qualified either. For AEC-Q100 qualified PIC24F alternatives, look at the PIC24FxxKA Q1 family. Halogen-free per Microchip environmental compliance documentation.
