PIC24FJ512GL406-I/PT - 16-bit 32MHz 512KB Flash MCU w/ USB & LCD | Microchip
N.º da peça: PIC24FJ512GL406-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.42 | $8,42 |
| 10 | $7.91 | $79,10 |
| 100 | $6.95 | $695,00 |
| 500 | $6.2 | $3.100,00 |
| 1.000 | $5.55 | $5.550,00 |
PIC24FJ512GL406-I/PT Visão geral
A microcontroller (MCU) is a single-chip computer integrating a CPU core, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a rich set of peripherals on one die. The PIC24FJ family sits in Microchip's 16-bit MCU hierarchy - 16-bit MCU -> general-purpose MCU -> embedded controller -> semiconductor - and uses a modified Harvard architecture where code and data paths are separated for predictable interrupt latency and deterministic execution.
Key features of the PIC24FJ512GL406 include Dual Partition Flash supporting real-time Over-The-Air (OTA) firmware updates and EEPROM emulation, a 16-channel 10/12-bit ADC, multiple UART/SPI/I2C interfaces, a hardware Real-Time Clock and Calendar (RTCC), and Core Independent Peripherals (CIPs) such as Configurable Logic Cells, PWM, and CRC that offload tasks from the CPU. The segmented LCD driver can drive up to 512 pixels, removing the need for an external LCD controller in low-power HMI designs.
Typical applications include industrial control panels, smart energy meters, home appliances with LCD UIs, USB peripherals, medical handheld instruments, and IoT edge nodes. The integrated USB 2.0 Full-Speed OTG controller is particularly valuable for devices that must enumerate as a CDC/HID/MSD device without an external bridge chip.
Design trade-off: the PIC24FJ512GL406 trades raw CPU throughput for ultra-low power - active current is roughly 8 mA at 32 MHz, while sleep current drops to the microamp range. Route the VDD/VSS/VBAT pins with wide traces, place decoupling capacitors within 5 mm of each VDD pin, and keep the analog AVSS/AVDD pair isolated from noisy digital returns for clean ADC readings.
Alternativas drop-in para PIC24FJ512GL406-I/PT — 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 PIC24FJ512GL406-I/PT (mesmo formato e footprint) — diferindo em ADC, LCD Controller, Operating Temperature, Package, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ256GL406-I/PT
✅ Drop-In✓ Em estoque
$4.78 / unidade
Ver ficha técnica →PIC24FJ128GL406-I/PT
✅ Drop-In✓ Em estoque
$2.84 / unidade
Ver ficha técnica →PIC24FJ256GL408-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$9.42 / unidade
Ver ficha técnica →PIC24FJ256GL410-E/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.78 / unidade
Ver ficha técnica →PIC24FJ512GU406-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$5.42 / unidade
Ver ficha técnica →PIC24FJ512GL406-I/PT Classificações máximas e características elétricas
| Core Architecture | PIC 16-bit (PIC24F) |
| Maximum CPU Speed | 32 MHz / 16 MIPS |
| Program Flash | 512 KB ECC Flash (dual partition) |
| RAM | 32 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| Temperatura de operação | -40C to +85C (industrial) |
| Encapsulamento | 64-pin TQFP (PT) 10x10 mm |
| ADC | 10/12-bit, up to 16 channels |
| USB | USB 2.0 Full-Speed OTG |
| LCD Controller | Segment LCD, up to 512 pixels |
| UART / SPI / I2C | Multiple UART, SPI, I2C peripherals |
| RTCC | Hardware Real-Time Clock & Calendar with VBAT |
| CIPs | Configurable Logic Cells, PWM, CRC, CLC |
| Programming | ICSP / JTAG, dual-partition OTA |
| Status RoHS | Compliant |
| Tipo de montagem | Surface Mount |
Configuração de pinos do PIC24FJ512GL406-I/PT
| Pino 1 | RC0 — General purpose I/O / LCD segment |
| Pino 2 | RC1 — General purpose I/O / LCD segment |
| Pino 3 | RC2 — General purpose I/O / LCD segment |
| Pino 4 | RC3 — General purpose I/O / LCD segment |
| Pino 5 | RC4 — General purpose I/O / LCD segment |
| Pino 6 | RC5 — General purpose I/O / LCD segment |
| Pino 7 | RC6 — General purpose I/O / LCD segment |
| Pino 8 | RC7 — General purpose I/O / LCD segment |
| Pino 9 | RC8 — General purpose I/O / LCD segment |
| Pino 10 | RC9 — General purpose I/O / LCD segment |
| Pino 11 | VSS — Ground reference |
| Pino 12 | VDD — Positive supply 2.0-3.6V |
| Pino 13 | RA0 — General purpose I/O / analog input |
| Pino 14 | RA1 — General purpose I/O / analog input |
| Pino 15 | RA2 — General purpose I/O / analog input |
| Pino 16 | RA3 — General purpose I/O / analog input |
| Pino 17 | RA4 — General purpose I/O / analog input |
| Pino 18 | RA5 — General purpose I/O / analog input |
| Pino 19 | AVSS — Analog ground reference |
| Pino 20 | AVDD — Analog positive supply |
| Pino 21 | RA6 — General purpose I/O / OSC1 |
| Pino 22 | RA7 — General purpose I/O / OSC2 |
| Pino 23 | RB0 — General purpose I/O / PGD |
| Pino 24 | RB1 — General purpose I/O / PGC |
| Pino 25 | RB2 — General purpose I/O |
| Pino 26 | RB3 — General purpose I/O |
| Pino 27 | RB4 — General purpose I/O |
| Pino 28 | RB5 — General purpose I/O |
| Pino 29 | RB6 — General purpose I/O |
| Pino 30 | RB7 — General purpose I/O |
| Pino 31 | RB8 — General purpose I/O |
| Pino 32 | RB9 — General purpose I/O |
| Pino 33 | RB10 — General purpose I/O |
| Pino 34 | RB11 — General purpose I/O |
| Pino 35 | VSS — Ground reference |
| Pino 36 | VDD — Positive supply 2.0-3.6V |
| Pino 37 | RD0 — General purpose I/O / LCD segment |
| Pino 38 | RD1 — General purpose I/O / LCD segment |
| Pino 39 | RD2 — General purpose I/O / LCD segment |
| Pino 40 | RD3 — General purpose I/O / LCD segment |
| Pino 41 | RD4 — General purpose I/O / LCD segment |
| Pino 42 | RD5 — General purpose I/O / LCD segment |
| Pino 43 | RD6 — General purpose I/O / LCD segment |
| Pino 44 | RD7 — General purpose I/O / LCD segment |
| Pino 45 | RD8 — General purpose I/O / LCD segment |
| Pino 46 | RD9 — General purpose I/O / LCD segment |
| Pino 47 | RD10 — General purpose I/O / LCD segment |
| Pino 48 | RD11 — General purpose I/O / LCD segment |
| Pino 49 | RD12 — General purpose I/O / LCD segment |
| Pino 50 | RD13 — General purpose I/O / LCD segment |
| Pino 51 | RD14 — General purpose I/O / LCD segment |
| Pino 52 | RD15 — General purpose I/O / LCD segment |
| Pino 53 | VSS — Ground reference |
| Pino 54 | VDD — Positive supply 2.0-3.6V |
| Pino 55 | RE0 — General purpose I/O / LCD segment |
| Pino 56 | RE1 — General purpose I/O / LCD segment |
| Pino 57 | RE2 — General purpose I/O / LCD segment |
| Pino 58 | RE3 — General purpose I/O / LCD segment |
| Pino 59 | RE4 — General purpose I/O / LCD segment |
| Pino 60 | RE5 — General purpose I/O / LCD segment |
| Pino 61 | RE6 — General purpose I/O / LCD segment |
| Pino 62 | RE7 — General purpose I/O / LCD segment |
| Pino 63 | VBAT — RTCC backup battery input |
| Pino 64 | RF0 — General purpose I/O / USB D+ |
Aplicações típicas
PIC24FJ512GL406-I/PT é adequado para 7 aplicaçãos: Smart Energy Meter with LCD Display, Industrial HMI Control Panel, USB-Connected Medical Handheld, Battery-Powered IoT Edge Sensor, Home Appliance with LCD User Interface, Automotive Aftermarket Accessory (Non-Safety), Portable Data Logger with USB Mass Storage.
Smart Energy Meter with LCD Display
The PIC24FJ512GL406-I/PT is purpose-built for residential and commercial smart meters that must display tariff, cumulative kWh, and alerts on a segmented LCD while drawing microamps between reads. Its 512-pixel LCD driver eliminates the external HT1621 or PCF8576 charge-pump segment driver, while the dual-partition 512 KB Flash supports secure OTA firmware updates mandated by utility specifications. The hardware RTCC with VBAT keeps time for 5+ years on a single coin cell even when the mains-side regulator is offline, and the 32 KB RAM buffers hourly load profiles before pushing to the AMI concentrator over a UART link.
Recomendado
Industrial HMI Control Panel
Factory-floor HMI panels need to drive a character LCD, scan a keypad matrix, and run a PID control loop while surviving ESD strikes and motor noise. The PIC24FJ512GL406-I/PT's Core Independent Peripherals (CIPs) let the Configurable Logic Cells debounce the keypad and trigger ADC sampling in hardware without CPU wake-ups, keeping MIPS budget free for the operator-interface firmware. The 16 MIPS at 32 MHz runs an embedded graphics library on a 4-line segmented display, while the -40C to +85C industrial grade tolerates unheated cabinet installations.
Recomendado
USB-Connected Medical Handheld
Diagnostic handheld devices such as spirometers, pulse oximeters, and glucose meters frequently enumerate as a USB CDC device to push readings to a host PC. The integrated USB 2.0 Full-Speed OTG controller on the PIC24FJ512GL406-I/PT removes the need for an external FTDI or MCP2200 bridge, shrinking BOM cost and PCB area. The 512 KB Flash accommodates signed firmware plus patient-record logging, and the 12-bit ADC pairs with a precision analog front-end for accurate biosignal acquisition while the segmented LCD shows readings directly on the device.
Recomendado
Battery-Powered IoT Edge Sensor
Wireless sensor nodes for HVAC, leak detection, or asset tracking spend most of their life in sleep and wake briefly to take a measurement and transmit. The PIC24FJ512GL406-I/PT's eXtreme Low-Power architecture drops active current to roughly 8 mA at 32 MHz and sleep current into the microamp range, enabling multi-year battery life on two AA cells. The 32 KB RAM supports an RTOS-lite or event scheduler, while the 512 KB Flash stores LoRaWAN or BLE stack plus application firmware with headroom for future feature additions.
Recomendado
Home Appliance with LCD User Interface
White goods such as washing machines, ovens, and induction cooktops rely on segmented LCDs to communicate cycle state, timer, and error codes to the user. The PIC24FJ512GL406-I/PT drives up to 512 LCD pixels directly, freeing board space otherwise consumed by an external segment driver. Its CIP-based PWM peripherals run motor control or inverter switching without CPU intervention, while 53 GPIO pins interface directly with the keypad, encoder, and triac drivers. The wide 2.0 V to 3.6 V VDD range tolerates noisy rectified mains rails.
Recomendado
Automotive Aftermarket Accessory (Non-Safety)
Non-safety automotive accessories such as diagnostic dongles, tire-pressure monitor displays, and OBD-II scan tools benefit from the PIC24FJ512GL406-I/PT's USB OTG, segmented LCD, and robust peripheral set. Although the part itself is not AEC-Q100 qualified (unlike the Q1 suffix variant), the -40C to +85C industrial grade and ESD-robust MCU I/Os survive cabin-temperature swings. The dual-partition 512 KB Flash supports secure firmware upgrades in dealer service bays, while the 32 KB RAM holds DTC tables before upload to the technician's laptop.
Recomendado
Portable Data Logger with USB Mass Storage
Field-deployable data loggers for environmental, agricultural, or industrial monitoring must capture weeks of sensor readings and then deliver them to a PC as a USB mass-storage device. The PIC24FJ512GL406-I/PT enumerates as an MSD class device using its on-chip USB Full-Speed OTG, exposing the SD card or internal Flash as a removable drive without extra bridge chips. The 512 KB ECC Flash supports file-system plus application firmware, and the RTCC timestamps each record entry with second-level precision synchronized via GPS or NTP at upload time.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ512GL406-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24FJ256GL406-I/PT | PIC24FJ128GL406-I/PT | PIC24FJ512GU406-I/PT | PIC24FJ256GL410-E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same |
| Flash | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 512 KB (same) | 256 KB (-50%) |
| RAM | 32 KB | 32 KB (same) | 32 KB (same) | 32 KB (same) | 32 KB (same) |
| Core Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| LCD Pixels | Up to 512 pixels | Up to 512 pixels | Up to 512 pixels | Up to 512 pixels | Up to 512 pixels |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| Hardware Crypto | No | No | No | Yes (AES/SHA) | No |
| Temperature Grade | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) |
Principais diferenciais
- Doubles Flash capacity of the GL406 base part while keeping pinout identical (vs PIC24FJ256GL406-I/PT)
- Adds segmented LCD driver without an external segment controller (vs PIC24FJ128GL406-I/PT)
- GL4 family offers ultra-low-power RTCC with VBAT retention (vs PIC24FJ512GU406-I/PT)
Notas de projeto
Decouple every VDD pin with a 0.1 uF ceramic placed within 5 mm of the pin, and add one bulk 4.7 uF X5R ceramic per VDD/AVDD pair on the same side of the board. The PIC24FJ512GL406-I/PT draws roughly 8 mA at full 32 MHz activity and drops to microamp-level sleep current, so any high-impedance supply path (long thin traces, ferrite beads without bypass) will collapse VDD during ADC sampling. Place the bulk capacitor where the AVSS return joins the digital VSS to avoid ground loops that couple switching noise into the ADC result.
Estimated: at 32 MHz with all peripherals active and 3.3 V VDD, the PIC24FJ512GL406-I/PT in a TQFP-64 (PT) package dissipates about 30-40 mW internally - well below the 1 W thermal budget of the 10x10 mm TQFP. Junction rise above ambient with no extra copper pour is approximately 8-10 C using a typical theta_JA of 50 C/W. For sealed enclosures with no airflow, add at least 200 mm^2 of copper flood on the top layer tied to the VSS plane to keep junction rise under 15 C.
Keep the analog AVSS/AVDD pair isolated from noisy digital returns by routing a moat around the analog pins. Use a star-ground topology that joins AVSS to digital VSS at a single point near the regulator output. The USB D+/D- traces must be 90 ohm differential with matched length and a common-mode choke near the connector; any stub longer than 2 mm will fail USB Full-Speed compliance testing. Keep LCD segment traces short and guarded - long parallel segment runs couple into ADC channels on adjacent pins.
Do not skip the VBPWR/VBAT decoupling capacitor or the RTCC will lose backup time during brownout. Always reserve both PGECx/PGEDx pins for ICSP unless the design includes a dedicated programming header - disable them as GPIO in the config bits if you do, otherwise debug access is lost. When using the dual-partition OTA bootloader, allocate the boot block and swap partition before writing application firmware, or a failed OTA write will leave the device in a non-bootable state requiring external programmer recovery.
Informações de conformidade
Industrial -40C to +85C temperature grade. Not AEC-Q100 qualified - choose the -Q1 suffix variant for automotive. RoHS and REACH compliant per Microchip product page.
