PIC24F16KA304-E/PT - 16KB Flash XLP 16-bit MCU | Microchip
N.º de pieza: PIC24F16KA304-E/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.1 | $4,10 |
| 10 | $3.78 | $37,80 |
| 100 | $3.22 | $322,00 |
| 500 | $2.81 | $1.405,00 |
| 1.000 | $2.45 | $2.450,00 |
PIC24F16KA304-E/PT Descripción general
A microcontroller (MCU) is a single-chip computer that contains a processor core, memory, and programmable I/O peripherals. The PIC24F belongs to the 16-bit microcontroller category, positioned between 8-bit MCUs (e.g., PIC16, PIC18) and 32-bit MCUs (e.g., PIC32, ARM Cortex-M). Within Microchip's eXtreme Low Power (XLP) family, the PIC24F16KA304 targets battery-powered and energy-harvesting applications where deep-sleep current and peripheral operation in sleep mode are critical design parameters.
Key features of the PIC24F16KA304 include eXtreme Low Power technology with nanoWatt XLP sleep currents in the microampere range, a deep-sleep operating current supporting RTCC, DSBOR (Deep Sleep Brown-Out Reset) and DSWDT (Deep Sleep Watchdog Timer) that remain active in Deep Sleep mode. The device integrates a 12-bit A/D converter with up to 16 channels, 5 timers, 2 UART, 1 SPI, 1 I2C, and 18 general-purpose I/O pins. Operating voltage spans 1.8V to 3.6V with industrial and extended temperature grade options.
Architecturally, the PIC24F16KA304 uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, providing 5.5K addressable words of program memory. The internal 8 MHz Fast RC oscillator with PLL supports system clock up to 32 MHz. Peripherals include a Real-Time Clock and Calendar (RTCC), 5 Capture/Compare/PWM modules, and the unique CTMU for capacitive touch sensing and precise time measurement.
Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, home automation, energy harvesting devices, and consumer electronics requiring extended battery life. The integrated CTMU makes it particularly suitable for capacitive touch buttons, sliders, and proximity sensing. The wide operating voltage range and ultra-low sleep current also support solar-powered edge nodes and wireless sensor networks.
When designing with this part, consider that the 'E' suffix indicates the extended temperature grade (-40C to +125C), while 'I' indicates industrial (-40C to +85C). The /PT suffix denotes the 44-pin TQFP package; /MV denotes UQFN, /SP denotes SPDIP, and /SO denotes SOIC - all variants share the same silicon and pinout family but differ in PCB footprint requirements.
This page synthesizes distributor pricing, drop-in alternatives from the PIC24F XLP family, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas directas para PIC24F16KA304-E/PT — 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 PIC24F16KA304-E/PT (mismo factor de forma y huella) — difiere en Core Architecture, ADC, Package, Program Memory (Flash), Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24F32KA304-E/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24F16KA304-I/PT
✅ Sustitución directa✓ En stock
$4.12 / unidad
Ver hoja de datos →PIC24F16KA304-E/MV
✅ Sustitución directa✓ En stock
$1.97 / unidad
Ver hoja de datos →PIC24F32KA302-E/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ64GA004-I/PT
✅ Sustitución directa✓ En stock
$3.3 / unidad
Ver hoja de datos →PIC24F16KA301-E/P
✅ Sustitución directa✓ En stock
$1.62 / unidad
Ver hoja de datos →PIC24F16KA304-E/PT Valores máximos y características eléctricas
| Core Architecture | 16-bit PIC24F (modified Harvard) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data RAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 3.6 V |
| ADC | 12-bit, up to 16 channels |
| I/O Pins | 18 |
| Timers | 5 (16-bit) |
| UART | 2 |
| SPI | 1 |
| I2C | 1 |
| CTMU | Yes (Charge Time Measurement Unit) |
| RTCC | Yes (operates in Deep Sleep) |
| Encapsulado | 44-pin TQFP (10x10 mm) |
| Temperatura de funcionamiento | -40C to +125C (Extended grade, 'E' suffix) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Nivel MSL | 3 (168 hours) |
Configuración de pines de PIC24F16KA304-E/PT
| Pin 1 | RP5/PMD5/RB5 — Remappable I/O / Enhanced PWM |
| Pin 2 | RP6/PMD6/RB6 — Remappable I/O / Enhanced PWM |
| Pin 3 | RP7/PMD7/RB7 — Remappable I/O / Enhanced PWM |
| Pin 4 | RC0 — Digital I/O |
| Pin 5 | RC1 — Digital I/O |
| Pin 6 | RC2 — Digital I/O |
| Pin 7 | RC3 — Digital I/O |
| Pin 8 | RC4 — Digital I/O |
| Pin 9 | RC5 — Digital I/O |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VSS — Ground reference |
| Pin 12 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 13 | MCLR — Master Clear (reset) input |
| Pin 14 | OSC1/CLKI/RA3 — Oscillator crystal input / external clock |
| Pin 15 | OSC2/CLKO/RA2 — Oscillator crystal output |
| Pin 16 | RA1 — Digital I/O / analog input |
| Pin 17 | RA0 — Digital I/O / analog input |
| Pin 18 | RA4 — Digital I/O / analog input |
| Pin 19 | RA5 — Digital I/O / analog input |
| Pin 20 | RA6 — Digital I/O / analog input |
| Pin 21 | RA7 — Digital I/O / analog input |
| Pin 22 | RB0/AN0 — Digital I/O / analog input |
| Pin 23 | RB1/AN1 — Digital I/O / analog input |
| Pin 24 | RB2/AN2 — Digital I/O / analog input |
| Pin 25 | RB3/AN3 — Digital I/O / analog input |
| Pin 26 | RB4/AN4 — Digital I/O / analog input |
| Pin 27 | RB8/AN8 — Digital I/O / analog input |
| Pin 28 | RB9/AN9 — Digital I/O / analog input |
| Pin 29 | RB10/AN10 — Digital I/O / analog input |
| Pin 30 | RB11/AN11 — Digital I/O / analog input |
| Pin 31 | RB12/AN12 — Digital I/O / analog input |
| Pin 32 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 33 | VSS — Ground reference |
| Pin 34 | RB13/AN13 — Digital I/O / analog input |
| Pin 35 | RB14/AN14 — Digital I/O / analog input |
| Pin 36 | RB15/AN15 — Digital I/O / analog input |
| Pin 37 | SDA1/RA8 — I2C data / remappable I/O |
| Pin 38 | SCL1/RA9 — I2C clock / remappable I/O |
| Pin 39 | RP0/PMD0/RB0 — Remappable I/O / PWM |
| Pin 40 | RP1/PMD1/RB1 — Remappable I/O / PWM |
| Pin 41 | RP2/PMD2/RB2 — Remappable I/O / PWM |
| Pin 42 | RP3/PMD3/RB3 — Remappable I/O / PWM |
| Pin 43 | RP4/PMD4/RB4 — Remappable I/O / PWM |
| Pin 44 | RP8/SDA2/PMD8/RB8 — Remappable I/O / I2C data / PWM |
Aplicaciones típicas
PIC24F16KA304-E/PT es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Nodes, Capacitive Touch User Interfaces, Wearable Health Monitoring Devices, Energy Harvesting Wireless Switches, Industrial Sensor Transmitters, Smart Home Edge Nodes.
Battery-Powered IoT Sensor Nodes
The PIC24F16KA304-E/PT's nanoWatt XLP Deep Sleep current below 1uA combined with active RTCC and DSBOR peripherals makes it ideal for battery-powered IoT sensor nodes operating from CR2032 coin cells or 2x AA batteries. The 32 MHz/16 MIPS core provides sufficient headroom for periodic sensor sampling, on-chip AES encryption, and LoRa/BLE radio handshakes without external wakeup controllers. The 1.8-3.6V supply range supports direct connection to lithium primary cells without boost converters. The 12-bit ADC with 16 channels interfaces directly with analog temperature, humidity, and gas sensors, while 2 UARTs support concurrent connections to GPS and cellular modems. In a typical 10-second duty-cycled sensor application, average current consumption stays below 20uA, achieving 5+ years battery life from a single CR2477 coin cell.
Recomendado
Capacitive Touch User Interfaces
The integrated Charge Time Measurement Unit (CTMU) of the PIC24F16KA304-E/PT provides 0.5ns resolution time measurement for capacitive touch sensing, supporting up to 16 touch channels when combined with the 12-bit ADC. The CTMU enables button, slider, wheel, and proximity sensing with sub-1pF resolution, eliminating the need for dedicated touch controllers. Combined with XLP Deep Sleep (drawing <1uA when no touch is detected), the device is ideal for battery-powered remote controls, white goods front panels, and wearable touch interfaces. The 18 I/O pins support up to 12 self-capacitance touch electrodes plus LED feedback drivers. Wake-on-touch capability exits Deep Sleep in <5us upon electrode capacitance change, balancing responsiveness with multi-year battery life.
Recomendado
Wearable Health Monitoring Devices
The PIC24F16KA304-E/PT's combination of 1.8V minimum operating voltage, XLP deep sleep mode, and compact 44-pin TQFP package (10x10mm) suits wearable health monitors such as fitness bands, pulse oximeters, and continuous glucose monitors. The 16 MIPS performance handles on-chip heart rate variability (HRV) computation, SpO2 algorithm processing, and BLE radio handshakes through the 2 UARTs. The 12-bit ADC with sample-and-hold at 200 ksps interfaces directly with photoplethysmography (PPG) photodiode amplifiers. With RTCC active in Deep Sleep, the device maintains accurate timestamps for sleep cycle analysis while drawing under 2uA. The 16KB Flash accommodates BLE stack libraries and custom firmware, while 2KB RAM buffers sensor data between radio transmissions.
Recomendado
Energy Harvesting Wireless Switches
The PIC24F16KA304-E/PT is well-suited for energy-harvesting wireless light switches and remote controls where pressing a button generates 100-300uJ of mechanical energy via a piezo transducer. Operating from 1.8V minimum, the device cold-starts from supercapacitor banks as low as 1.8V. The internal 8 MHz Fast RC oscillator with PLL eliminates external crystal, reducing BOM cost and quiescent draw. The 5 timers support precise event timing for wireless protocol synchronization, while the 2 UARTs connect to sub-GHz radio modules like the MRF89XA. In a self-powered wireless switch design, the MCU wakes from Deep Sleep, transmits a single packet, and returns to sleep within 5ms, achieving >20 years operation from a single kinetic pulse train.
Recomendado
Industrial Sensor Transmitters
The extended -40C to +125C temperature range (E-suffix) of the PIC24F16KA304-E/PT supports industrial 4-20mA loop-powered sensor transmitters in factory automation and process control environments. The 16KB Flash stores calibration coefficients and linearization tables for RTD, thermocouple, and strain gauge sensors. The 12-bit ADC achieves 0.024% resolution for measurement accuracy, while 2 UARTs support HART protocol communication over the 4-20mA loop. The 44-pin TQFP package provides ample I/O for redundant sensor interfaces and diagnostic LEDs. The device's 5uA typical Deep Sleep current enables loop-powered designs drawing under 3.6mA total, complying with HART minimum compliance voltage requirements for legacy industrial installations.
Recomendado
Smart Home Edge Nodes
The PIC24F16KA304-E/PT fits smart home edge nodes such as battery-powered door/window sensors, occupancy detectors, and HVAC zone controllers requiring multi-year battery life and intermittent wireless connectivity. The Deep Sleep current of <1uA with active RTCC enables 5+ year operation from 2x AAA batteries reporting temperature and door state every 60 seconds. The 12-bit ADC interfaces with PIR motion sensors and LDR ambient light sensors directly, while 18 GPIO pins support multi-function switches and LED indicators. The integrated CTMU provides moisture sensing for leak detector variants. Combined with a low-cost 2.4GHz radio module, the design achieves 8-10 year battery life targets specified by major smart home ecosystems.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24F16KA304-E/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24F32KA304-E/PT | PIC24F16KA304-I/PT | PIC24F16KA304-E/MV | PIC24FJ64GA004-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) 10x10mm | 44-pin TQFP (PT) 10x10mm - same | 44-pin TQFP (PT) 10x10mm - same | 44-pin UQFN (MV) 6x6mm - smaller | 44-pin TQFP (PT) 10x10mm - same |
| Program Memory (Flash) | 16 KB | 32 KB | 16 KB | 16 KB | 64 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 2 KB | 8 KB |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| 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 | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| USB Support | No | No | No | No | Yes (USB OTG) |
Diferenciadores clave
- Industry-leading XLP Deep Sleep current below 1uA (frente a PIC24FJ64GA004-I/PT)
- Extended temperature grade -40C to +125C (frente a PIC24F16KA304-I/PT)
- Lower minimum operating voltage 1.8V vs 2.0V (frente a PIC24FJ64GA004-I/PT)
Notas de diseño
For battery-powered applications, leverage the nanoWatt XLP Deep Sleep mode with RTCC active to achieve sub-1uA quiescent current. Configure the DSBOR (Deep Sleep Brown-Out Reset) at 1.8V minimum threshold and DSWDT for fault recovery in unattended deployments. Avoid leaving analog peripherals (ADC, CTMU) enabled when entering Deep Sleep - this prevents continuous bias current draw.
Place the 44-pin TQFP decoupling capacitors (100nF ceramic + 10uF bulk) within 3mm of each VDD/VSS pin pair. Use a single ground pour on the top layer stitched to the bottom ground plane through 0.5mm vias every 5mm. Keep analog signal traces (AN0-AN15) separated from digital switching traces (PWM outputs, clock) to minimize ADC reference noise coupling.
Do not exceed the absolute maximum VDD of 4.0V. The CTMU current source requires calibration against the internal bandgap reference for accurate capacitive measurements - skipping calibration produces nonlinear readings. When migrating from PIC24FJ to PIC24F16KA304, note that peripheral register names differ slightly (e.g., UART1 -> U1MODE, U1STA) - always cross-reference the peripheral library documentation.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC24F16KA304-E/PT for industrial extended temperature, automotive designs require AEC-Q100 qualified PIC variants separately listed.