PIC24FJ32GU202-I/MV - 32KB Flash USB MCU | Microchip 28-UQFN
Teilenummer: PIC24FJ32GU202-I/MV ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $3.62 | $3,62 |
| 10 | $3.32 | $33,20 |
| 100 | $2.88 | $288,00 |
| 500 | $2.55 | $1.275,00 |
| 1.000 | $2.27 | $2.270,00 |
| 3.000 | $2.06 | $6.180,00 |
PIC24FJ32GU202-I/MV Übersicht
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and peripherals on a single die. Within the broader semiconductor taxonomy, the PIC24FJ32GU202 sits in the 16-bit MCU category, between 8-bit PIC10/12/16 families and 32-bit ARM Cortex-M parts. The PIC24FJ sub-family specifically targets low-power connected applications: 'GP' variants omit USB for general-purpose use, while 'GU' variants add USB 2.0 with on-chip transceiver and charge-pump-less operation directly from VBUS.
Key differentiating features include hardware ECC on Flash for enhanced reliability, deep sleep currents below 1 uA with retention, and rich connectivity including USB, UART, SPI, I2C, and 10-bit ADC. The 28-UQFN (MV) package is the smallest footprint option in the family, ideal for space-constrained wearable and IoT designs.
Typical applications include USB HID peripherals, wearable health sensors, IoT edge nodes with USB charging, consumer electronics with USB-C interfaces, and battery-powered sensor hubs that require periodic USB enumeration for firmware updates or data sync.
When designing with this device, plan the VBUS/USB pin protection network carefully, use the internal voltage regulator with adequate bulk capacitance on VCAP, and leverage the deep-sleep CIPs to minimize average current in battery-powered deployments.
Drop-in-Alternativen für PIC24FJ32GU202-I/MV – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC24FJ32GU202-I/MV (gleiche Bauform und Footprint) – abweichend in Package, ADC, Operating Temperature, Timers, Communication Interfaces.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC24FJ32GU202-I/ML
✅ Drop-In✓ Auf Lager
$2.41 / Stück
Datenblatt ansehen →PIC24FJ64GU202-I/MV
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.21 / Stück
Datenblatt ansehen →PIC24FJ128GU202-I/MV
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
PIC24FJ32GU202-E/MV
✅ Drop-In✓ Auf Lager
$1.74 / Stück
Datenblatt ansehen →PIC24FJ32GU202-I/MV Grenzwerte & elektrische Eigenschaften
| Core Architecture | PIC24F (16-bit Harvard RISC) |
| Maximale Taktfrequenz | 32 MHz |
| CPU Performance | 16 MIPS |
| Program Memory (Flash) | 32 KB (11K x 24) |
| RAM | 8 KB |
| Flash ECC | Yes (hardware ECC) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed Host/Device/OTG (on-chip transceiver) |
| Gehäuse | 28-UQFN (4x4 mm) - 'MV' designator |
| Montageart | Surface Mount |
| Betriebstemperaturbereich | -40C to +85C (Industrial, 'I' suffix) |
| MSL-Level | MSL3 (per Microchip packaging profile) |
| RoHS-Status | Compliant |
PIC24FJ32GU202-I/MV Pin-Konfiguration
| Pin 1 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 2 | RA0 — Port A bit 0 / analog input |
| Pin 3 | RA1 — Port A bit 1 / analog input |
| Pin 4 | RA2 — Port A bit 2 / analog input |
| Pin 5 | RA3 — Port A bit 3 / analog reference |
| Pin 6 | RA4 — Port A bit 4 |
| Pin 7 | RA5 — Port A bit 5 |
| Pin 8 | RA6 — Port A bit 6 / oscillator |
| Pin 9 | RA7 — Port A bit 7 / oscillator |
| Pin 10 | RB0 — Port B bit 0 / programming |
| Pin 11 | RB1 — Port B bit 1 |
| Pin 12 | RB2 — Port B bit 2 |
| Pin 13 | RB3 — Port B bit 3 |
| Pin 14 | RB4 — Port B bit 4 / SDA |
| Pin 15 | RB5 — Port B bit 5 / SCL |
| Pin 16 | RB6 — Port B bit 6 / ICSCLK |
| Pin 17 | RB7 — Port B bit 7 / ICSDAT |
| Pin 18 | D+ — USB D+ data line (GU variant only) |
| Pin 19 | D- — USB D- data line (GU variant only) |
| Pin 20 | VBUS — USB VBUS sensing input (GU variant only) |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | RC6 — Port C bit 6 |
| Pin 28 | VSS — Ground reference (also exposed pad) |
Typische Anwendungen
PIC24FJ32GU202-I/MV ist geeignet für 6 Anwendungs: USB HID Peripheral Devices, Wearable Health Sensors, IoT Edge Nodes with USB Update, Consumer Electronics with USB-C, USB Battery Charging Controllers, Industrial Sensor Hubs with USB Diagnostics.
USB HID Peripheral Devices
The PIC24FJ32GU202-I/MV's integrated USB 2.0 Full-Speed Host/Device/OTG controller with on-chip transceiver makes it ideal for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The 32 MHz/16 MIPS PIC24F core handles HID report processing in real time while the 8 KB RAM accommodates USB endpoint buffers and HID report descriptors. Engineers leverage the device's hardware ECC on Flash for firmware integrity over long lifecycles. Placed on the PCB between the USB-C connector and the button matrix, the MCU enumerates without external pull-up resistors required for full-speed USB, saving BOM cost and PCB area.
Empfohlen
Wearable Health Sensors
The PIC24FJ32GU202-I/MV's extreme-low-power (XLP) sleep current in the few-hundred-nA range with SRAM retention enables multi-month coin-cell operation in wearable health sensors such as heart-rate monitors, pulse oximeters, and continuous glucose monitor (CGM) encoders. The 16-bit ADC and CIPs handle sensor sampling and signal conditioning autonomously, allowing the CPU to remain asleep until a measurement is ready. The 28-UQFN (4x4 mm) package fits comfortably on a wrist-strap PCB, and USB-C connectivity enables both charging and firmware updates without an external interface IC, supporting field-upgradable medical firmware.
Empfohlen
IoT Edge Nodes with USB Update
IoT edge nodes that occasionally need USB connectivity for firmware updates or data sync benefit from the PIC24FJ32GU202-I/MV's integrated USB 2.0 OTG and low-power sleep modes. The 32 KB ECC Flash provides safe firmware storage with single-bit error correction, critical for over-the-air or USB-delivered firmware updates in industrial sensor nodes. The device can spend most of its life in deep-sleep with retention, waking only to take sensor readings or service USB enumeration events. A typical implementation runs the MCU at 2.0V from a Li-coin cell and enumerates as a CDC device when a host connects, enabling field updates without JTAG access.
Empfohlen
Consumer Electronics with USB-C
Consumer products adopting USB-C for both charging and data benefit from the PIC24FJ32GU202-I/MV's on-chip USB transceiver, which interfaces directly to a USB-C port without external charge pumps. Applications include USB-C headphones with active noise cancellation controllers, USB-powered LED controllers, and USB-C smart-home hubs where the MCU manages enumeration, power negotiation, and a control plane for downstream peripherals. The 16 MIPS performance supports real-time USB isochronous audio, while 8 KB of RAM is sufficient for typical CDC/HID/MSD class stacks running on Microchip's MLA USB library.
Empfohlen
USB Battery Charging Controllers
Dedicated USB battery charging cradles and stand-alone chargers use the PIC24FJ32GU202-I/MV as the control MCU for BC1.2-compliant detection, charge-profile management, and user feedback. The device's USB OTG capability enumerates as either a host (for testing downstream devices) or a device (for charging), and the 10-bit ADC monitors battery voltage and current with hardware averaging. Hardware ECC Flash ensures the charge profile firmware remains uncorrupted over the product's lifetime, important for safety-critical charging in e-mobility and medical-cart batteries.
Empfohlen
Industrial Sensor Hubs with USB Diagnostics
Industrial 4-20 mA loop-powered sensor hubs that occasionally need USB diagnostics ports for field calibration leverage the PIC24FJ32GU202-I/MV's industrial -40C to +85C grade and integrated USB. The CIPs (configurable logic cells, 16-bit timers) handle sensor linearization and PWM output autonomously, while the CPU sleeps until USB enumeration. The 28-UQFN package mounts on compact 25x30 mm sensor-hub PCBs and operates from the regulated 3.3V loop supply. Field engineers connect a USB host to view live readings or push calibration tables, eliminating JTAG access requirements for routine maintenance.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC24FJ32GU202-I/MV – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC24FJ32GU202-I/ML | PIC24FJ64GU202-I/MV | PIC24FJ128GU202-I/MV | PIC24FJ32GU202-E/MV |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-UQFN (MV) 4x4 mm | 28-QFN (ML) 6x6 mm - same die, different package | 28-UQFN (MV) 4x4 mm - identical | 28-UQFN (MV) 4x4 mm - identical | 28-UQFN (MV) 4x4 mm - identical |
| Flash Memory | 32 KB (11K x 24) ECC | 32 KB ECC (same die) | 64 KB ECC (+100%) | 128 KB ECC (+300%) | 32 KB ECC (same) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB Interface | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| 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 |
| Core Performance | 16 MIPS at 32 MHz | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
Wichtigste Unterscheidungsmerkmale
- Smallest USB-capable PIC24 footprint option (vs. PIC24FJ32GU202-I/ML)
- Scalable Flash in identical footprint (vs. PIC24FJ64GU202-I/MV)
- Extended-temperature grade drop-in (vs. PIC24FJ32GU202-E/MV)
Designhinweise
The PIC24FJ32GU202-I/MV's integrated USB 2.0 transceiver operates directly from VBUS without an external charge pump, simplifying the BOM. However, the VDD rail must remain within 2.0V-3.6V and the VCAP pin requires a 4.7 uF or larger low-ESR decoupling capacitor (X7R 0805 minimum). Estimated: at 32 MHz active and 3.3V supply, the core draws approximately 8-10 mA; deep-sleep with retention drops to a few hundred nA per Microchip XLP datasheet metrics. Use a ferrite bead between VBUS and VDD to isolate USB inrush transients from the regulated MCU supply.
The 28-UQFN (MV) package exposes the VSS thermal pad on the underside - it MUST be soldered to a continuous ground copper pour with at least 4 thermal vias (0.3 mm drill) to the inner ground plane for proper electrical reference and modest thermal dissipation. Place the 32.768 kHz crystal traces within 5 mm of OSCI/OSCO and guard them with a ground ring to reduce noise pickup. D+/D- traces must be 90 ohm differential, length-matched within 1 mm, and routed over a continuous ground plane per USB 2.0 spec to meet signal-integrity requirements at Full Speed (12 Mbps).
Do not omit the 4.7 uF VCAP capacitor - the internal 1.8V/1.2V core regulator will not start up without it. Do not apply VBUS before VDD is stable, as this can back-power the MCU through the USB transceiver; use a power-mux IC (or appropriate Schottky/load-switch arrangement) if VBUS may arrive first. Also note that PIC24FJ32GU202 (GU) and PIC24FJ32GP202 (GP) differ only in USB presence - designators are not interchangeable in firmware, and a 'GP' part cannot enumerate on USB. Verify the marked line on the top of the package before flashing production units.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. Industrial temperature grade ('I' suffix, -40C to +85C) - not AEC-Q100 qualified; for AEC-Q100 automotive applications choose AEC-Q100-qualified 'GP2'/'GU2' variants or external qualification review.
