PIC24FJ64GL302-E/MV - 16-bit XLP MCU 64KB Flash LCD UQFN-28
N.º de pieza: PIC24FJ64GL302-E/MV ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.07 | $30,70 |
| 100 | $2.74 | $274,00 |
| 500 | $2.45 | $1.225,00 |
| 1.000 | $2.18 | $2.180,00 |
PIC24FJ64GL302-E/MV Descripción general
A PIC microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (RAM), and peripherals such as timers, communication interfaces, and analog blocks. The PIC24F family uses a 16-bit modified Harvard architecture, positioning it between 8-bit PIC16/PIC18 MCUs and 32-bit PIC32 devices in Microchip's portfolio. Within power management hierarchy, PIC24FJ GL MCUs are classed as low-power embedded controllers under the broader category of embedded processors and microcontrollers.
Key specifications include up to 256 LCD segments (8 commons and 32 segments), an integrated charge pump for battery-powered contrast management, sleep current down to a few hundred nanoamps with full RAM retention, and Core Independent Peripherals (CIPs) that offload animation tasks from the CPU. The 'GL' family specifically extends Core Independent animation to the segmented LCD driver through alternating dual display, blinking, and blanking functions. Operating voltage range is 2.0V to 3.6V with extended temperature (E-temp) range of -40C to +125C.
The PIC24FJ64GL302 uses a 16-bit MIPS-based CPU with hardware multiplier, 64KB ECC Flash (64K x 8), 8KB SRAM, and multiple communication peripherals including UART, SPI, and I2C. The architecture supports eXtreme Low-Power modes including Deep Sleep with full RAM retention, enabling multi-year battery life for always-on applications. CIPs include configurable logic cells, 16-bit PWMs, and multiple capture/compare modules that operate without CPU intervention.
Typical applications include battery-powered consumer electronics with LCD displays such as thermostats, home appliances, portable medical devices, and smart meters. The integrated segmented LCD driver and charge pump make it particularly suited for applications requiring glass-LCD displays without external voltage generation. The combination of XLP characteristics and integrated LCD also fits wearable devices, electronic shelf labels, and IoT sensor nodes.
Design consideration: the integrated charge pump requires careful PCB layout near VDD/VSS pins to minimize noise coupling into the LCD bias rails. For LCD segments requiring more than 256 segments, migrate to PIC24FJ GL devices with larger pin counts (44/64/80/100-pin variants). Developers should leverage the Peripheral Pin Select (PPS) feature for flexible remapping of digital peripherals.
This page synthesizes distributor pricing from DigiKey and Mouser, drop-in Microchip alternative MPNs, segmented LCD design notes, and application guidance not consolidated in the manufacturer datasheet alone.
Alternativas directas para PIC24FJ64GL302-E/MV — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC24FJ64GL302-E/MV (mismo factor de forma y huella) — difiere en Core Architecture, Package, ADC, Maximum CPU Speed, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24FJ64GL302-I/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ128GL302-I/MV
✅ Sustitución directa✓ En stock
$2.43 / unidad
Ver hoja de datos →PIC24FJ64GA702-I/MV
✅ Sustitución directa✓ En stock
$1.38 / unidad
Ver hoja de datos →PIC24FJ64GL302-E/MV Valores máximos y características eléctricas
| Product Type | 16-bit Microcontroller (MCU) |
| Series | PIC24FJ GL Family, XLP |
| Core Architecture | PIC24F 16-bit MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) with ECC |
| Data Memory (SRAM) | 8 KB |
| Maximum CPU Speed | 32 MHz / 16 MIPS |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature (E-temp) | -40C to +125C |
| LCD Segments Supported | Up to 256 (8 commons x 32 segments) |
| Integrated LCD Charge Pump | Yes |
| Sleep Current (RAM retained) | Few hundred nA (XLP mode) |
| Encapsulado | 28-UQFN (MV) 4x4 mm |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de PIC24FJ64GL302-E/MV
| Pin 1 | RA0 — Port A bit 0 / analog / LCD segment |
| Pin 2 | RA1 — Port A bit 1 / analog / LCD segment |
| Pin 3 | RA2 — Port A bit 2 / analog / LCD segment |
| Pin 4 | RA3 — Port A bit 3 / analog / LCD segment |
| Pin 5 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RA4 — Port A bit 4 / analog / LCD segment |
| Pin 8 | RA5 — Port A bit 5 / analog / LCD segment |
| Pin 9 | RA6 — Port A bit 6 / analog / LCD segment |
| Pin 10 | RA7 — Port A bit 7 / analog / LCD segment |
| Pin 11 | RB0 — Port B bit 0 / analog / LCD segment |
| Pin 12 | RB1 — Port B bit 1 / analog / LCD segment |
| Pin 13 | RB2 — Port B bit 2 / analog / LCD segment |
| Pin 14 | RB3 — Port B bit 3 / analog / LCD segment |
| Pin 15 | RB4 — Port B bit 4 / analog / LCD segment |
| Pin 16 | RB5 — Port B bit 5 / analog / LCD segment |
| Pin 17 | RB6 — Port B bit 6 / ICDCLK / LCD segment |
| Pin 18 | RB7 — Port B bit 7 / ICDDATA / LCD segment |
| Pin 19 | RC0 — Port C bit 0 / analog / LCD segment |
| Pin 20 | RC1 — Port C bit 1 / analog / LCD segment |
| Pin 21 | RC2 — Port C bit 2 / analog / LCD segment |
| Pin 22 | RC3 — Port C bit 3 / analog / LCD segment |
| Pin 23 | RC4 — Port C bit 4 / analog / LCD segment |
| Pin 24 | RC5 — Port C bit 5 / analog / LCD segment |
| Pin 25 | RC6 — Port C bit 6 / TX / LCD segment |
| Pin 26 | RC7 — Port C bit 7 / RX / LCD segment |
| Pin 27 | OSC1 — Crystal oscillator input or external clock |
| Pin 28 | OSC2 — Crystal oscillator output |
Aplicaciones típicas
PIC24FJ64GL302-E/MV es adecuado para 7 aplicacións: Battery-Powered Thermostat with Segmented LCD, Smart Electricity Meter with Glass LCD, Portable Medical Glucose Meter, Electronic Shelf Label (ESL), Home Appliance Control (Washing Machine, Oven), Industrial Sensor / Process Indicator, IoT Sensor Node with Local LCD Readout.
Battery-Powered Thermostat with Segmented LCD
The PIC24FJ64GL302-E/MV's integrated 256-segment LCD driver and on-chip charge pump make it ideal for battery-powered thermostats where a glass-LCD display shows temperature, setpoint, and status icons. The XLP sleep current down to a few hundred nanoamps preserves coin-cell or 2xAA battery life across seasonal duty cycles. The 2.0V-3.6V VDD range supports direct connection to two alkaline cells without a boost converter. CIP-based animation offloads display refresh from the CPU, leaving MIPS budget for HVAC control loops. Unlike MCUs without LCD hardware, this part eliminates external segment drivers and negative voltage generation, reducing BOM and PCB area for wall-mount thermostats.
Recomendado
Smart Electricity Meter with Glass LCD
Utility smart meters require low-power operation, segmented LCD readout, and long-term reliability - all delivered by PIC24FJ64GL302-E/MV. The 64KB ECC Flash prevents memory corruption over 10-15 year deployment, while 8KB SRAM buffers measurement data between display updates. The integrated LCD charge pump produces bias voltages for glass-LCD contrast directly from VDD, eliminating a DC-DC stage. Deep Sleep with full RAM retention lets the meter draw microamps between current-sense sampling bursts. The E-temp -40C to +125C grade covers outdoor meter enclosures. Compared to MCUs needing external LCD bias ICs, the GL family cuts BOM cost and improves MTBF.
Recomendado
Portable Medical Glucose Meter
Handheld glucose meters demand low-power segmented LCD, accurate timing, and extended battery life - matching PIC24FJ64GL302-E/MV's XLP architecture. The integrated LCD driver renders numeric results, icons, and trend graphs without an external charge pump, keeping the BOM small for disposable-battery devices. ECC Flash prevents silent memory corruption in clinical data logs. Deep Sleep in the nanoamp range extends shelf life and standby time between uses. The 32 MHz CPU executes firmware for electrochemical strip reading in milliseconds, reducing battery load per test. This part is preferred over 8-bit PICs when display real estate and code density matter.
Recomendado
Electronic Shelf Label (ESL)
Retail electronic shelf labels operate on coin cells for years, requiring extreme low-power MCU with integrated segmented LCD - a perfect fit for PIC24FJ64GL302-E/MV. The XLP sleep current in the few-hundred-nA range supports 5-10 year battery life depending on update frequency. The integrated LCD charge pump drives 100-200 segment displays for price, barcode, and product info directly from a 3V coin cell without boost hardware. Wireless updates via SPI/UART link to an RF companion like Sub-GHz transceivers. The CIP-based LCD animation offloads display tasks from the CPU, minimizing wake time and saving battery. ESLs compete with e-paper displays on cost, but LCD is faster to update and lower cost for short labels.
Recomendado
Home Appliance Control (Washing Machine, Oven)
White goods like washing machines and ovens use segmented LCDs to show program, time, and status - a classic use case for PIC24FJ64GL302-E/MV. The E-temp -40C to +125C rating survives oven-cabinet ambient temperatures during self-clean cycles, while 64KB Flash accommodates multilingual firmware and safety logic. The integrated charge pump drives the LCD without external boost components, simplifying EMC compliance. CIPs handle key scanning, motor timer, and safety interlocks independently of the CPU, freeing MIPS for user-interface logic. Compared to discrete LCD driver solutions, the GL family reduces PCB complexity and assembly cost.
Recomendado
Industrial Sensor / Process Indicator
Loop-powered 4-20mA sensor heads and process indicators require ultra-low-power MCU with integrated LCD - which PIC24FJ64GL302-E/MV delivers. The XLP characteristics allow the entire indicator to operate from the 4mA loop quiescent budget, eliminating local power supplies. The on-chip LCD charge pump produces display bias from a single 3.3V rail derived from the loop. CIPs run sensor linearization, square-root extraction, and display update autonomously, reducing loop burden. The -40C to +125C E-temp range covers outdoor pipe and tank installations. Compared to PLC-based display panels, this part enables compact, low-cost field-mounted indicators.
Recomendado
IoT Sensor Node with Local LCD Readout
Wireless IoT sensor nodes benefit from PIC24FJ64GL302-E/MV when a local segmented LCD provides redundant status display alongside cloud telemetry. The XLP architecture lets the MCU sleep at nanoamp levels between LoRa/BLE transmissions, while the LCD charge pump drives the display continuously without external boost. ECC Flash protects over-the-air firmware updates from bit-flip corruption. CIPs time-stamp and format sensor data before the CPU wakes for transmission, saving precious milliamp-seconds. The 2.0-3.6V VDD range supports direct Li-ion or 2xAA battery chemistries. Compared to discrete-driver solutions, the GL family reduces BOM by 2-3 components per node.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24FJ64GL302-E/MV — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24FJ64GL302-I/MV | PIC24FJ128GL302-I/MV | PIC24FJ64GA702-I/MV |
|---|---|---|---|---|
| Package | 28-UQFN (4x4 mm) | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 128 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 8 KB |
| Integrated LCD Driver | Yes (256 segments + charge pump) | Yes (256 segments + charge pump) | Yes (256 segments + charge pump) | No |
| Operating Temperature | -40C to +125C (E-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
Diferenciadores clave
- Integrated charge pump for LCD contrast without external boost IC (frente a PIC24FJ64GA702-I/MV)
- Core Independent Peripherals with autonomous LCD animation (frente a PIC24FJ128GL302-I/MV)
- ECC Flash for single-bit error correction (frente a PIC24FJ64GB202-I/SO)
Notas de diseño
The PIC24FJ64GL302-E/MV supports Deep Sleep modes with full RAM retention drawing only a few hundred nanoamps, enabling multi-year battery life on 2xAA alkaline cells in thermostat, sensor, and meter applications. Enable Deep Sleep with the DSLPWR bit in DSCON, configure the RTCC for periodic wake, and verify that all peripherals are properly gated before entering sleep. Estimated: at 1.5 uA average current and 2000 mAh 2xAA capacity, theoretical life approaches 150 years - real-world life is bounded by battery shelf life and self-discharge (~5% per year). Always measure actual sleep current on prototype hardware with disabled pull-ups and unused pins set as outputs to avoid leakage.
Place the integrated LCD charge pump capacitors (typically 1uF X7R ceramic) as close as possible to the dedicated LCDCAP pins, with short, wide traces to minimize ESR. Route LCD segment lines away from switching power and high-speed digital signals to avoid coupling. Use a ground plane under the UQFN-28 thermal pad (exposed paddle must be soldered to the pad) and stitch vias around the package perimeter. The UQFN thermal pad improves power dissipation by approximately 30% versus a non-pad UQFN, critical for E-temp -40C to +125C designs at elevated ambient.
Common design pitfalls include: (1) omitting the VDD/VSS decoupling capacitors (use 100nF + 10uF bulk near each VDD pin); (2) leaving unused pins floating instead of configuring as outputs low to prevent shoot-through; (3) exceeding the 3.6V absolute maximum on any pin during in-circuit programming or hot-plug events; (4) forgetting to enable the watchdog timer (WDT) in safety-critical applications; (5) configuring PPS outputs before enabling the peripheral module, which can cause momentary glitches. Always refer to the PIC24FJ GL Family datasheet section 'Configuration' and 'Peripheral Pin Select' for the correct initialization sequence.
Información de cumplimiento
RoHS and REACH compliance per Microchip product page and DigiKey listing. AEC-Q100 qualification not explicitly stated for this part; for automotive designs, request Microchip automotive-grade part numbers explicitly. Halogen-free status not confirmed in available data.
