DSPIC33FJ32MC304-I/PT - 16-bit DSC 40 MIPS 32KB | Microchip
N.º da peça: DSPIC33FJ32MC304-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $5.62 | $5,62 |
| 10 | $5.1 | $51,00 |
| 100 | $4.55 | $455,00 |
| 500 | $4.12 | $2.060,00 |
| 1.000 | $3.78 | $3.780,00 |
DSPIC33FJ32MC304-I/PT Visão geral
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller, sitting in the product hierarchy between a general-purpose MCU and a dedicated DSP. The dsPIC33F family uses a modified Harvard 16-bit architecture with DSP-enhanced instruction support (MAC, DSP multiply, modulo addressing), making it well suited for closed-loop control loops that rely on high-speed, repetitive computation. According to Microchip, dsPIC33F devices are pin compatible with the PIC24HJ family and share a high degree of compatibility with the dsPIC30F family, enabling seamless migration between PIC24F, dsPIC30F, and dsPIC33F devices.
Key features of the DSPIC33FJ32MC304 include the 16-bit pipeline core at up to 40 MIPS, motor control PWM peripherals, advanced analog (12-bit ADC), DMA controller, and 32 KB of self-programmable Flash. These peripherals target digitally controlled power supplies, motor control (BLDC, PMSM, ACIM), and sensor signal conditioning where deterministic interrupt latency and hardware PWM matter more than raw clock speed.
On the technical side, the MC (Motor Control) variant of the dsPIC33FJ family integrates complementary PWM outputs for driving three-phase inverter bridges and a high-speed ADC capable of simultaneous sampling, reducing external component count in drive designs. DMA offloads the CPU for ADC result transfers and UART/SPI streaming, keeping loop jitter low at high interrupt rates.
Typical applications include three-phase motor drives, solar inverters and digitally controlled power supplies, and automotive/industrial sensor processing where 40 MIPS of DSP performance is sufficient.
Design consideration: the device operates from a single 3.3V supply; all VDD/VSS pairs must be decoupled and ICSP programming requires a matched PGECx/PGEDx pair. Verify ADC input impedance and PWM dead-time settings against the family reference manual.
This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet, with pricing references as of 2026-09-27.
Alternativas drop-in para DSPIC33FJ32MC304-I/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC33FJ32MC304-I/PT (mesmo formato e footprint) — diferindo em Core Architecture, Operating Temperature, Package, Supply Voltage, RoHS Status.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33FJ32MC304-E/PT
✅ Drop-In✓ Em estoque
$4.45 / unidade
Ver ficha técnica →DSPIC33FJ32GP204-I/PT
✅ Drop-In✓ Em estoque
$3.78 / unidade
Ver ficha técnica →PIC24HJ32GP204-I/PT
✅ Drop-In✓ Em estoque
$3.65 / unidade
Ver ficha técnica →DSPIC33FJ64MC304-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ128MC304-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ32MC304-I/PT Classificações máximas e características elétricas
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data RAM | 2 KB |
| Tensão de alimentação | 3.3 V |
| Temperatura de operação | -40C to +85C |
| Encapsulamento | 44-TQFP (10x10 mm) |
| Tipo de montagem | Surface Mount |
| DMA Controller | Yes |
| Peripheral Class | Motor Control PWM and Advanced Analog |
| Pin Compatibility | PIC24HJ family (per Microchip) |
| Family Compatibility | dsPIC30F / dsPIC33F / PIC24F |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Status RoHS | Compliant |
| Series | dsPIC33FJ32MC |
| Packaging | Tray |
Guia de Configuração de Pinos do DSPIC33FJ32MC304-I/PT 44-tqfp (10x10 mm)
Configuração de pinos para DSPIC33FJ32MC304-I/PT (pacote 44-tqfp (10x10 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para DSPIC33FJ32MC304-I/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33FJ32MC304-I/PT é adequado para 6 aplicaçãos: Three-Phase Motor Drives (BLDC/PMSM/ACIM), Digitally Controlled Power Supplies, Solar Inverters and Renewable Energy Converters, Sensor Signal Processing and Acquisition, Industrial Automation and Control Panels, Audio and Embedded Signal Generation.
Three-Phase Motor Drives (BLDC/PMSM/ACIM)
The DSPIC33FJ32MC304-I/PT fits three-phase inverter motor control because the MC variant integrates dedicated motor control PWM with complementary outputs, dead-time insertion, and a high-speed 16-bit 40 MIPS DSP core for field-oriented control loops running at 10-20 kHz PWM frequencies. The 32 KB Flash holds sensorless FOC firmware including transforms (Clarke/Park) that use the DSP MAC instructions efficiently. In a typical drive, the ADC samples phase currents synchronized to the PWM carrier via DMA, so the CPU sees pre-buffered results with deterministic loop timing; this minimizes current-loop jitter that would otherwise cause torque ripple. The 3.3V supply and -40C to +85C range cover industrial drive enclosures, and the E-variant extends operation to +125C for hotter environments.
Recomendado
Digitally Controlled Power Supplies
Digital power supplies benefit from the DSPIC33FJ32MC304-I/PT because the combination of a 40 MIPS core, DMA-driven ADC sampling, and PWM peripherals allows voltage-mode or average-current-mode compensation loops to run deterministically at tens to hundreds of kHz control bandwidths. The 32 KB Flash accommodates compensation code plus PMBus-style housekeeping and fault logging. Using DMA to move ADC results to RAM removes interrupt-latency jitter from the control path, improving loop stability margins versus CPU-polled designs on general-purpose MCUs. Complementary PWM outputs support synchronous rectification and phase-shifted topologies. Because the DSC consumes little board area (10x10 mm TQFP) and requires only a 3.3V rail, it integrates cleanly next to the power stage, replacing analog compensators and simplifying firmware-based tuning across product variants.
Recomendado
Solar Inverters and Renewable Energy Converters
Solar micro-inverters and DC-DC optimizers use the DSPIC33FJ32MC304-I/PT for maximum power point tracking (MPPT) and grid-tied control. The 40 MIPS core executes MPPT algorithms (perturb-and-observe or incremental conductance) while simultaneously closing the current-control inner loop; the DSP MAC instructions accelerate the multiply-accumulate operations these algorithms demand. DMA streams multi-channel ADC samples of PV voltage/current and grid voltage, keeping sampling synchronized to the PWM period so control decisions use coherent data. The 44-TQFP (10x10 mm) surface-mount package and single 3.3V supply suit compact sealed outdoor enclosures, and the industrial temperature rating covers rooftop thermal environments. Firmware flexibility lets one hardware platform serve multiple regional grid codes by updating compensation coefficients in Flash.
Recomendado
Sensor Signal Processing and Acquisition
For industrial sensor front-ends - load cells, pressure bridges, and vibration sensors - the DSPIC33FJ32MC304-I/PT pairs its advanced analog ADC with the 40 MIPS DSP engine to perform oversampling, digital filtering (IIR/FIR), and calibration in a single chip. The DMA controller shuttles conversion results to the 2 KB RAM buffer without CPU intervention, allowing block-based DSP processing at high sample rates while UART or SPI streams filtered data upstream. Microchip notes the family targets applications that rely on high-speed, repetitive computations as well as control, which is exactly the profile of continuous sensor filtering. The 16-bit core with hardware MAC outperforms an 8-bit MCU at equal clock rates, and the 44-pin TQFP provides enough I/O for multiple sensor channels, digital thresholds, and an ICSP pair (PGECx/PGEDx) retained for field firmware updates.
Recomendado
Industrial Automation and Control Panels
In automation nodes - actuators, pumps, conveyors, and simple motion axes - the DSPIC33FJ32MC304-I/PT serves as the local control processor combining 40 MIPS of compute with motor control PWM and ample peripherals on one 10x10 mm die. The 32 KB Flash supports communication stacks and sequencing logic, while DMA offloads serial traffic so the CPU keeps deterministic PWM and ADC timing. Microchip highlights seamless migration across PIC24F, dsPIC30F, and dsPIC33F families due to pin compatibility with PIC24HJ, which lets panel designers scale performance without board redesign as product tiers expand. The -40C to +85C industrial rating and RoHS-compliant lead-free 44-TQFP package fit standard panel builds, and ICSP programming through any PGECx/PGEDx pair simplifies in-fixture firmware updates during production.
Recomendado
Audio and Embedded Signal Generation
Embedded audio processing - active crossovers, tone control, effect generation, and alert synthesis - runs efficiently on the DSPIC33FJ32MC304-I/PT because the DSP core's MAC instruction executes single-cycle multiply-accumulate, the primitive of every biquad filter and convolution stage. At 40 MIPS, the part sustains dozens of cascaded 16-bit filter sections at standard audio sample rates while simultaneously servicing ADC and codec interfaces via DMA and SPI/UART. The 32 KB Flash holds filter coefficient tables and a small boot routine, and the 2 KB RAM provides block buffers for latency-managed streaming. Unlike a general-purpose MCU, no bit-banging is required to keep sampling precise, since PWM/ADC synchronization plus DMA gives deterministic sample timing. The 44-TQFP I/O count also supports potentiometer multiplexing and user-interface peripherals on the same PCB.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33FJ32MC304-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33FJ32MC304-E/PT | DSPIC33FJ32GP204-I/PT | PIC24HJ32GP204-I/PT | DSPIC33FJ64MC304-I/PT | DSPIC33FJ128MC304-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit PIC24HJ MCU, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS |
| Motor Control PWM | Yes (MC variant) | Yes (MC variant) | No (GP variant) | No (GP variant) | Yes (MC variant) | Yes (MC variant) |
| Operating Temperature | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| DMA Controller | Yes | Yes | Yes | Yes | Yes | Yes |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Key Use Case | Motor control / digital power, 32KB budget | Same use case, hot environments | General-purpose control without MC PWM | MCU-only applications, no DSP MAC needed | Motor control with larger firmware | Motor control with large code/lookup tables |
Principais diferenciais
- Dedicated Motor Control PWM peripheral (vs DSPIC33FJ32GP204-I/PT)
- DSP-enhanced core vs plain MCU (vs PIC24HJ32GP204-I/PT)
- Extended temperature option with identical footprint (vs DSPIC33FJ32MC304-E/PT)
- Firmware headroom via pin-compatible Flash upgrades (vs DSPIC33FJ64MC304-I/PT)
Notas de projeto
Connect and decouple every VDD/VSS pin pair on the 44-TQFP; on dsPIC33FJ devices, unpowered VSS pins cause erratic behavior that mimics firmware bugs. Place one 100 nF ceramic capacitor at each supply pin pair plus bulk capacitance near the part. The 10x10 mm TQFP has pin pitch of 0.8 mm - use a standard TQFP-44 land pattern and inspect for solder bridging on fine outer rows.
ICSP programming requires a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must use PGED2 - do not mix pairs (per NSDSP support documentation). Reserve header access to one pair on every production PCB. Also verify that configuration bits (oscillator source, watchdog, brown-out) match the clock design before first power-up, since an invalid oscillator config leaves the board appearing dead.
The device runs from a single 3.3V rail; estimate: a 40 MIPS dsPIC33F typically draws tens of mA (verify exact ICC in the device data sheet DC characteristics section) - size the 3.3V regulator for peak load plus flash-write current. When driving motor gate drivers from PWM outputs, add series resistors or buffer gates to keep PWM edge currents out of the analog ground return path of the ADC references.
For motor-control or digital-power designs, keep the ADC input traces short and route them away from PWM output traces and gate-driver switching nodes. Synchronize ADC sampling to the PWM period using the hardware trigger (not software-initiated conversion) so current samples land consistently at the same point in the switching cycle, which is essential for low-noise current-loop feedback in FOC and average-current-mode control.
Informações de conformidade
RoHS compliant and lead free per authorized distributor listings (Onlinecomponents.com). REACH, halogen-free and conflict minerals status should be confirmed from the current Microchip ecological certificate; not stated in the retrieved data.
