PIC24FJ32GA002-E/ML - 16-bit 32KB Flash MCU 28-QFN | Microchip
Référence : PIC24FJ32GA002-E/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.06 | $4,06 |
| 10 | $3.65 | $36,50 |
| 100 | $3.04 | $304,00 |
| 500 | $2.71 | $1 355,00 |
| 1 000 | $2.42 | $2 420,00 |
PIC24FJ32GA002-E/ML Présentation
The PIC24F is a 16-bit general-purpose flash microcontroller family that sits between Microchip's 8-bit PIC16/PIC18 lines and the 32-bit PIC32 families. PIC24F parts combine a Harvard-architecture CPU with a rich peripheral set (ADC, UART, SPI, I2C, PWM, RTCC) and ultra-low-power modes (sleep, deep sleep, idle, doze) that enable multi-year battery life in sensor, metering, and IoT edge designs. Within the PIC24F family, the GA0XX sub-family specifically targets cost-sensitive general-purpose applications.
Key features of the PIC24FJ32GA002-E/ML include a 10-bit ADC with up to 9 channels, multiple communication peripherals (2 UART, 2 SPI, 2 I2C), 5 16-bit timers, a 5-channel 16-bit PWM module, an internal 8 MHz RC oscillator with PLL support, and a real-time clock/calendar (RTCC). The on-chip 32 KB Flash is organized as 11K x 24 words and supports self-programmability under software control, while the 8 KB SRAM supports C-runtime stacks and buffering. The wide 2.0V-3.6V supply range makes the part tolerant of 3.3V system rails.
This PIC24FJ32GA002-E/ML variant uses the -E (extended) temperature grade of -40C to +125C and the /ML QFN-28 footprint, supporting industrial and harsh-environment deployments. It is pin-compatible with the -I/ML (industrial -40C to +85C) variant, enabling engineers to substitute temperature grades without board changes.
Typical applications include industrial sensor interfaces, USB HID/CDC device firmware using the on-chip peripherals, low-power portable instrumentation, consumer appliances with segmented display drivers, and motor control for small DC and stepper loads. The combination of 16 MIPS, ample peripherals and nanoWatt modes makes it well suited to battery-powered edge nodes.
When designing with this part, ensure the supply rail stays within the 2.0V-3.6V window, select the appropriate oscillator configuration (internal RC vs external crystal), and reserve a small capacitor network on the VCAP core regulator pin per the datasheet recommended layout. The QFN exposed pad must be soldered to the ground plane for thermal dissipation.
This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the standalone datasheet - giving embedded engineers a one-stop decision view.
Alternatives de remplacement direct pour PIC24FJ32GA002-E/ML — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC24FJ32GA002-E/ML (même facteur de forme et même empreinte) — différant par ADC, Package, Timers, Core, MSL Level.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24FJ32GA002-I/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24FJ64GA002-I/ML
✅ Remplacement direct✓ En stock
$2.45 / unité
Voir la fiche technique →PIC24FJ16GA002-E/ML
✅ Remplacement direct✓ En stock
$2.71 / unité
Voir la fiche technique →PIC24FJ16GA004-E/ML
✅ Remplacement direct✓ En stock
$1.97 / unité
Voir la fiche technique →PIC24FJ32MC102T-I/ML
✅ Remplacement direct✓ En stock
$1.82 / unité
Voir la fiche technique →PIC24FJ32GA002-E/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24F (16-bit RISC, Harvard) |
| Family | PIC24FJ64GA004 Family |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 32 KB (11K x 24 words) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| ADC | 10-bit, up to 9 channels |
| UART | 2 modules |
| SPI | 2 modules |
| I2C | 2 modules |
| Timers | 5 x 16-bit |
| PWM Channels | 5 x 16-bit |
| Hardware Multiplier | 17-bit x 17-bit, single-cycle |
| Hardware Divider | 32-bit / 16-bit |
| Température de fonctionnement | -40 C to +125 C (E = extended grade) |
| Boîtier | 28-QFN (6x6 mm) |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (per JEDEC J-STD-020) |
| Statut RoHS | Compliant |
| Low-Power Technology | nanoWatt (eXtreme low power) |
| I/O Pins (approx.) | 21 |
Configuration des broches de PIC24FJ32GA002-E/ML
| Broche 1 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| Broche 2 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Broche 3 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Broche 4 | VSS — Ground |
| Broche 5 | VDD — Positive supply (2.0V to 3.6V) |
| Broche 6 | AVDD — Analog positive supply |
| Broche 7 | AVSS — Analog ground |
| Broche 8 | RP3/RB3 — Remappable I/O / Port B bit 3 |
| Broche 9 | RP2/RB2 — Remappable I/O / Port B bit 2 |
| Broche 10 | RP1/RB1 — Remappable I/O / Port B bit 1 |
| Broche 11 | RP0/RB0 — Remappable I/O / Port B bit 0 |
| Broche 12 | RA0 — Port A bit 0 / analog input |
| Broche 13 | RA1 — Port A bit 1 / analog input |
| Broche 14 | RA2 — Port A bit 2 / analog input |
| Broche 15 | RA3 — Port A bit 3 / analog input |
| Broche 16 | RA4 — Port A bit 4 |
| Broche 17 | RA5 — Port A bit 5 |
| Broche 18 | RA6 — Port A bit 6 |
| Broche 19 | RA7 — Port A bit 7 |
| Broche 20 | RA8 — Port A bit 8 |
| Broche 21 | RA9 — Port A bit 9 |
| Broche 22 | RA10 — Port A bit 10 |
| Broche 23 | MCLR — Master Clear reset (active low) |
| Broche 24 | OSC1 — Crystal oscillator input / external clock |
| Broche 25 | OSC2 — Crystal oscillator output |
| Broche 26 | VCAP — Internal voltage regulator bypass capacitor |
| Broche 27 | PGED1 — ICSP programming data line 1 |
| Broche 28 | PGEC1 — ICSP programming clock line 1 |
Applications typiques
PIC24FJ32GA002-E/ML convient pour 7 applications: Industrial Sensor Interface Node, Battery-Powered Portable Instrument, USB HID / CDC Bridge Device (External PHY), Low-Power IoT Edge Node, Small Motor / Stepper Control, Consumer Appliance with Display, Automotive Under-Hood Module (non-safety).
Industrial Sensor Interface Node
The PIC24FJ32GA002-E/ML fits industrial sensor nodes because its 10-bit ADC with up to 9 channels can directly digitize analog sensors (temperature, pressure, 4-20 mA bridges) without external ADCs, while the 32 KB Flash accommodates sensor-linearization tables and MODBUS-RTU firmware. The -40C to +125C extended temperature grade handles outdoor and under-hood enclosures. Two UART channels let the part simultaneously drive an RS-485 transceiver for fieldbus and a debug console. The nanoWatt deep-sleep mode drops quiescent current into the microamp range, so a battery-backed sensor node can operate for years on a single lithium cell.
Recommandé
Battery-Powered Portable Instrument
Portable handheld instruments rely on the PIC24FJ32GA002-E/ML's nanoWatt low-power modes and 8 KB SRAM to extend runtime on two AA cells. The RTCC can wake the CPU on a programmable schedule to log measurements, while deep-sleep keeps idle current below 1 uA. The 16 MIPS core handles real-time DSP for vibration, optical, or bio-signal conditioning. Five PWM channels can drive LED backlight brightness and haptic feedback without an external driver. Designers can migrate firmware from PIC24FJ16GA002 boards without PCB rework thanks to the identical 28-QFN footprint.
Recommandé
USB HID / CDC Bridge Device (External PHY)
Although the PIC24FJ32GA002-E/ML lacks native USB, it can act as the protocol-side microcontroller in a USB bridge using an external UART-USB bridge IC (e.g. MCP2200, MCP2221A). The two UART channels map naturally to CDC and debug streams, while the 32 KB Flash holds HID report descriptors, command parsers, and bootloader logic. The 2.0V-3.6V supply matches typical 3.3V USB bridge rails. For designs that require on-chip USB, however, choose the PIC24FJ32GB002 variant instead, which shares the same pinout philosophy but adds a USB 2.0 full-speed peripheral.
Recommandé
Low-Power IoT Edge Node
IoT edge nodes benefit from the PIC24FJ32GA002-E/ML's combination of nanoWatt sleep modes, on-chip RTCC, and five 16-bit timers for sensor-staggered sampling. The 32 KB Flash accommodates MQTT-SN, CoAP, or LoRaWAN stack libraries, while the 8 KB SRAM supports TLS fragment buffers for short-lived secure sessions. Two I2C channels let the MCU talk to environmental sensors and a non-volatile FRAM at the same time. The extended -40C to +125C grade supports outdoor deployment. Battery telemetry is realistic at multi-year life when sleep duty-cycle is below 0.1%.
Recommandé
Small Motor / Stepper Control
The PIC24FJ32GA002-E/ML drives small DC and stepper motors via its five 16-bit PWM channels and 5 16-bit timers, which provide flexible commutation and acceleration profiles. The hardware multiplier accelerates Park/Clark transforms for field-oriented control of small BLDC motors. The 32 KB Flash holds FOC state machines and ramp tables, while 8 KB SRAM supports current-control loop variables. The extended temperature grade allows the same firmware to be used in -40C cold-start outdoor pumps. For higher PWM density, migrate to PIC24FJ32MC102 which adds motor-control PWMs on the same footprint.
Recommandé
Consumer Appliance with Display
Consumer appliances (coffee makers, washing-machine front panels, thermostats) use the PIC24FJ32GA002-E/ML for its 21 GPIO pins to scan keypads, drive LED or LCD segments, and read NTC temperature sensors. The 2 UART channels support field updates and factory calibration, while the 32 KB Flash stores multi-language UI strings. The nanoWatt modes keep standby power below EU eco-design thresholds. The 28-QFN package is small enough for tight front-panel PCBs, and Microchip's MPLAB X IDE toolchain with XC16 compiler simplifies firmware development.
Recommandé
Automotive Under-Hood Module (non-safety)
The PIC24FJ32GA002-E/ML's -40C to +125C extended temperature grade makes it usable in under-hood automotive modules such as LED drivers, fluid-level sensors, and HVAC actuators where AEC-Q100 is not mandated. The 32 KB Flash holds CAN-compatible firmware via SPI to an external MCP2515 CAN controller, and 8 KB SRAM handles message buffering. For safety-critical applications (airbag, ABS), however, AEC-Q100-qualified PIC24F or dsPIC33 parts are required - this part is not AEC-Q100 qualified per the family datasheet. Engineers should verify the end application's regulatory needs before deployment.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24FJ32GA002-E/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24FJ32GA002-I/ML | PIC24FJ64GA002-I/ML | PIC24FJ16GA002-E/ML | PIC24FJ16GA004-E/ML | PIC24FJ32MC102T-I/ML |
|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 64 KB | 16 KB | 16 KB | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 4 KB | 4 KB | 8 KB |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 3.0V to 3.6V |
| Temperature Grade | -40C to +125C (E = extended) | -40C to +85C (I = industrial) | -40C to +85C (I = industrial) | -40C to +125C (E = extended) | -40C to +125C (E = extended) | -40C to +85C (I = industrial) |
| USB Peripheral | No | No | No | No | No | No |
| Motor-Control PWM | Standard PWM (5 channels) | Standard PWM | Standard PWM | Standard PWM | Standard PWM | Enhanced motor-control PWM |
Principaux différenciateurs
- Extended -40C to +125C temperature grade (vs PIC24FJ32GA002-I/ML)
- 32 KB Flash with 8 KB SRAM - balanced memory (vs PIC24FJ16GA002-E/ML)
- nanoWatt eXtreme low-power modes with RTCC (vs PIC24FJ32GA002-I/ML (same die, different grade))
- Family-wide firmware portability (vs PIC24FJ32MC102T-I/ML (motor-control sub-family))
Notes de conception
The PIC24FJ32GA002-E/ML requires a 10 uF + 0.1 uF decoupling pair on the VCAP pin to stabilize the internal 2.5V core regulator. A bulk 4.7 uF + 0.1 uF pair must be placed within 5 mm of the VDD pin, with a separate analog AVDD filter (10 ohm + 10 nF + 10 uF) if ADC accuracy matters. Estimated: assuming a 32 MHz FCY at 3.3V VDD with peripherals active, the IDD is roughly 25 mA, so the regulator dissipates approximately 25 mW at full activity, well within QFN thermal limits.
The 28-QFN exposed pad must be soldered to a continuous ground copper pour of at least 1 square inch for thermal dissipation and electrical performance. Without a properly soldered pad, junction temperature can rise 20-30C above ambient, risking operation near the +125C extended grade limit. Use at least 5 thermal vias (0.3 mm drill) under the pad to inner ground planes. Estimated: at maximum CPU load (32 MHz, all peripherals on) the device dissipates roughly 80 mW; a 1 sq-in copper pour keeps theta_JA around 35 C/W.
Place decoupling capacitors within 1-2 mm of their respective supply pins. Keep the VCAP cap away from the analog AVDD filter to avoid digital switching noise coupling into the analog supply. Route the ICSP signals (PGEC1, PGED1) as short straight traces to a 2x3 or 1x6 header for debug/programming access. The 28-QFN pin pitch is 0.65 mm, so use 0.15 mm/0.20 mm trace-and-space design rules with micro-vias for fan-out if needed.
Do not leave the MCLR pin floating - it must be pulled up to VDD through a 10 kohm resistor for normal operation. The internal voltage regulator is NOT optional: the VCAP capacitor must be installed even if the part is not using all peripherals. Configuration bits (FOSC, FWDT, etc.) must be programmed in the IDE before firmware runs, otherwise the device may default to an unintended clock or watchdog setting.
When using the ADC, isolate AVSS from VSS with a single-point connection (star ground) and place analog traces away from PWM/UART switching lines. The analog input pins (AN0-AN8 mapped to RA0-RA8) should be guarded by ground traces on both sides for high-impedance sensor inputs. If the design uses both ADC channels and remappable peripherals, verify pin assignments using the Peripheral Pin Select (PPS) tool in MPLAB X IDE before layout finalization to avoid pin-function conflicts.
Informations de conformité
RoHS compliant per Microchip product page. AEC-Q100 not qualified - choose dsPIC33 or PIC24F AEC-Q100 parts for safety-critical automotive. Halogen-free status not explicitly stated in provided data.
