DSPIC33FJ32MC102-I/SO - 16-bit DSC 16 MIPS 32KB | Microchip
Teilenummer: DSPIC33FJ32MC102-I/SO ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.81 | $2,81 |
| 10 | $2.61 | $26,10 |
| 100 | $2.41 | $241,00 |
| 500 | $2.21 | $1.105,00 |
| 1.000 | $2.05 | $2.050,00 |
DSPIC33FJ32MC102-I/SO Übersicht
A digital signal controller combines the compute power of a DSP core with the peripheral integration and ease of use of a microcontroller, sitting in the product hierarchy between general-purpose MCUs (such as the PIC18 family) and full DSP processors. Within Microchip's portfolio, the dsPIC33F line targets real-time embedded control where fast multiply-accumulate operations drive motor and power algorithms.
Key features of this device include the Motor Control PWM (MCPWM) module for three-phase inverter drive, the Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, and Peripheral Pin Select (PPS) which allows many digital peripherals to be mapped flexibly to any of the remappable I/O pins. The core runs from a 3.0V to 3.6V supply at up to 32MHz external clock, and the device provides up to three external interrupts, selectable open-drain outputs, and 5V-tolerant input pins.
Architecturally, the 16-bit modified Harvard core with DSP engine supports single-cycle MAC operations, making FOC (field-oriented control), PID loops, and digital filtering efficient even at modest clock rates. On-chip Flash self-programming supports field firmware updates.
Typical applications include Brushless DC and permanent-magnet synchronous motor drives, switching power supplies and digital power conversion, and sensor-based embedded systems benefiting from the CTMU.
Design consideration: the 3.0V to 3.6V supply range requires a clean 3.3V rail; decouple VDD pins per the manufacturer datasheet and use the internal PLL configuration options to balance MIPS against EMI.
This page adds value beyond the manufacturer datasheet by consolidating distributor pricing tiers, same-package drop-in alternatives, and practical design notes in one citable reference.
Drop-in-Alternativen für DSPIC33FJ32MC102-I/SO – 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 DSPIC33FJ32MC102-I/SO (gleiche Bauform und Footprint) – abweichend in Package, Operating Temperature, Core Architecture, I/O Sink/Source Current, RoHS Status.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
DSPIC33FJ32MC102-E/SO
✅ Drop-In✓ Auf Lager
$3.78 / Stück
Datenblatt ansehen →DSPIC33FJ32MC101T-I/SO
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.32 / Stück
Datenblatt ansehen →DSPIC33FJ32MC101-E/SO
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.75 / Stück
Datenblatt ansehen →DSPIC33FJ32MC202-I/SO
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ16MC102-I/SO
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$5.1 / Stück
Datenblatt ansehen →DSPIC33FJ32MC102-I/SO Grenzwerte & elektrische Eigenschaften
| Core Architecture | 16-bit dsPIC33F DSC core |
| Performance | 16 MIPS |
| Program Memory (Flash) | 32KB (11K x 24) |
| Data Memory (RAM) | 2KB |
| Operating Voltage | 3.0 V to 3.6 V (3.3 V nominal) |
| Maximale Taktfrequenz | 32 MHz |
| Betriebstemperatur | -40C to +85C (industrial, -I suffix) |
| Gehäuse | 28-SOIC (0.295 in / 7.50 mm width) |
| Pin-Anzahl | 28 |
| Montageart | Surface Mount |
| Terminal Form | Gull Wing |
| External Interrupts | 3 (two remappable) |
| I/O Sink/Source Current | 10 mA or 6 mA pin-specific (standard); up to 16 mA or 12 mA (non-standard VOH) |
| 5V Tolerant Pins | Yes |
| Key Peripherals | CTMU, MCPWM, PPS (Peripheral Pin Select) |
| Open-Drain Outputs | Up to 20 selectable with pull-ups |
| Temperature Grade | Industrial |
DSPIC33FJ32MC102-I/SO 28-soic (0.295 in / 7.50 mm width) Pinbelegungsleitfaden
Pinbelegung für DSPIC33FJ32MC102-I/SO (28-soic (0.295 in / 7.50 mm width)-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für DSPIC33FJ32MC102-I/SO.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
DSPIC33FJ32MC102-I/SO ist geeignet für 6 Anwendungs: BLDC / PMSM Motor Control, Switch-Mode Power Supplies (Digital Power), Capacitive Touch Interfaces, Sensor Signal Processing and Data Acquisition, Automotive and Industrial Sub-Systems (Extended Temp Builds), Embedded Control and IoT Node Firmware Platforms.
BLDC / PMSM Motor Control
The DSPIC33FJ32MC102-I/SO is purpose-built for three-phase brushless DC and permanent-magnet synchronous motor drives. Its MCPWM module generates complementary PWM pairs with programmable dead-time, while the 16 MIPS DSP core executes field-oriented control (FOC), sensorless back-EMF algorithms, and multi-variable PID loops in real time. Peripheral Pin Select routes PWM outputs, Hall-input captures, and encoder QEA/INDX signals to optimal physical pins, simplifying PCB layout around the gate drivers. Placed upstream of a three-phase inverter with 3.3V logic-compatible gate drivers, the DSC updates control loops at PWM carrier frequency; the main trade-off is the 3.0V to 3.6V supply rail, which requires level consideration with 5V Hall sensors despite 5V-tolerant inputs.
Empfohlen
Switch-Mode Power Supplies (Digital Power)
In digitally controlled AC-DC and DC-DC converters, the DSPIC33FJ32MC102-I/SO closes voltage- and current-mode loops in firmware using its high-speed 16-bit core and ADC-synchronized control structure. The MCPWM output drives the power stage MOSFETs through a gate driver, while the 16 MIPS throughput supports compensation-network calculations at switching frequencies of tens to hundreds of kilohertz. The CTMU additionally supports precision timing measurements for synchronization with external events. Compared to an analog controller, firmware control enables adaptive compensation and system diagnostics; the trade-off is that loop bandwidth is limited by ADC and ISR execution time, so very high-frequency converters should consider the faster GS-series parts instead.
Empfohlen
Capacitive Touch Interfaces
The integrated Charge Time Measurement Unit (CTMU) on the MC102 variant enables low-cost capacitive touch buttons, sliders, and proximity sensing without a dedicated touch controller. The CTMU charges the sensor pad with a constant current and measures charge time, detecting the small capacitance shift caused by a finger. Combined with the 16-bit core running debouncing and drift-compensation firmware, a single 28-SOIC device can replace discrete touch ICs in appliance panels and industrial keypads. Typical layouts use 10pF to 100pF sensor capacitances with guard grounding per Microchip touch-sensing application notes. This CTMU capability is precisely what distinguishes the MC102 from the otherwise pin-compatible MC101 alternative.
Empfohlen
Sensor Signal Processing and Data Acquisition
With its DSP engine providing single-cycle multiply-accumulate operations, the DSPIC33FJ32MC102-I/SO efficiently performs digital filtering (IIR/FIR), RMS computation, and FFT-based analysis on sampled sensor data. The 32KB Flash holds both the acquisition firmware and coefficient tables, while Peripheral Pin Select lets UART or SPI streams be mapped to the most convenient physical pins for data offload. Industrial sensors - pressure, flow, vibration - benefit from the on-chip digital filtering to reject noise before decisions are made. The 3.3V rail interfaces directly with most modern ADC front ends, and 5V-tolerant inputs simplify handshake signals from legacy 5V systems. The 2KB RAM is the main constraint for long sample buffers.
Empfohlen
Automotive and Industrial Sub-Systems (Extended Temp Builds)
Although the -I/SO variant is rated -40C to +85C, the same die is offered as DSPIC33FJ32MC102-E/SO with an extended temperature rating, letting one PCB design serve both standard and harsh-environment builds - pump controllers, actuator drivers, and under-hood auxiliary systems. The 5V-tolerant inputs interface with industrial 5V sensor signaling, while the remappable pins absorb connector-pinout changes across product variants without respinning the PCB. Firmware benefits from the DSP core for motor commutation and from the CTMU for sensor diagnostics. Note the -E variant is a build option of the same silicon, not a different device, so validation effort is reused across the product family's temperature grades.
Empfohlen
Embedded Control and IoT Node Firmware Platforms
As a general embedded controller, the DSPIC33FJ32MC102-I/SO offers Flash self-programming for field firmware updates, up to 20 selectable open-drain outputs with pull-ups for multi-voltage bus interfacing, and three external interrupts (two remappable) for responsive event handling. Its 28-SOIC, 7.50mm-width footprint suits compact industrial IoT nodes that combine a sensor, a small actuator, and a serial link to a gateway module. The 16 MIPS core comfortably runs communication stacks alongside control tasks, and Microchip's free MPLAB X IDE plus low-cost programmers keep tooling expense minimal. The principal limitation versus 32-bit ARM parts is the 2KB RAM, which caps buffer sizes for network stacks - plan accordingly or pair with a communication module.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für DSPIC33FJ32MC102-I/SO – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | DSPIC33FJ32MC102-E/SO | DSPIC33FJ32MC101T-I/SO | DSPIC33FJ32MC202-I/SO | DSPIC33FJ16MC102-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit DSC, 16 MIPS | 16-bit DSC, 16 MIPS | 16-bit DSC, 16 MIPS | 16-bit DSC, 16 MIPS | 16-bit DSC, 16 MIPS |
| Flash Program Memory | 32KB (11K x 24) | 32KB (11K x 24) | 32KB (11K x 24) | 32KB (11K x 24) | 16KB (5.5K x 24) |
| CTMU Peripheral | Yes | Yes | No | Yes | Yes |
| PWM Structure | MCPWM (motor control) | MCPWM (motor control) | MCPWM (motor control) | 2 PWM generators with independent timebases | MCPWM (motor control) |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Wichtigste Unterscheidungsmerkmale
- Integrated CTMU for touch sensing and precision timing (vs. DSPIC33FJ32MC101T-I/SO)
- Extended temperature build option on identical silicon (vs. DSPIC33FJ32MC102-E/SO)
- Dual independent PWM timebases in the newer family (vs. DSPIC33FJ32MC202-I/SO)
Designhinweise
The DSPIC33FJ32MC102-I/SO requires a regulated 3.0V to 3.6V rail (nominal 3.3V). Use a low-dropout regulator such as a 3.3V LDO rated for at least 100 mA with 0.1uF ceramic decoupling at each VDD pin and bulk 4.7uF to 10uF at the regulator output - follow the decoupling network in the manufacturer datasheet (70000652f). Because certain input pins are 5V-tolerant but outputs swing only to 3.3V, interface with 5V systems via level-shifting on outputs or 3.3V-logic gate drivers. Exceeding 3.6V on VDD risks permanent damage; verify brownout behavior of your regulator during supply sag events.
Take full advantage of Peripheral Pin Select (PPS) before finalizing the PCB: route MCPWM outputs away from the sensitive analog ANx pins used for current-sense feedback, and group remappable RPn pins to shorten traces to gate drivers and communication transceivers. Keep the oscillator traces (OSC1/OSC2) short and guarded by ground. For motor-drive layouts, star-ground the power stage and controller, and place current-shunt filtering (RC, typically 1k/1nF class per Microchip motor-control application notes) close to the ADC input pins to protect conversion accuracy from switching noise.
Three frequent mistakes with this family: (1) Assuming fixed pin functions - UART, SPI, and many PWM pins are only available after PPS mapping in software; unmapped peripherals simply do not appear at pins. (2) Confusing MC101 and MC102 variants - only the MC102 includes the CTMU, so touch-sensing firmware will not run on MC101 drop-in substitutes. (3) Using the -I part above +85C ambient - for higher-temperature environments specify the -E suffix (e.g., DSPIC33FJ32MC102-E/SO). Also verify configuration words (oscillator, watch-dog, PWM pin mode) are set correctly at programming time; incorrect osc settings are the most common bring-up failure.
Compliance-Informationen
Per-part RoHS/REACH/lead-free certificates must be confirmed from the Microchip product page or distributor certificate of compliance; the provided web data did not include explicit compliance statements for this exact MPN. Not an AEC-Q100 automotive-qualified part number.
