DSPIC33FJ64MC804-I/ML - 16-bit DSC 40MIPS 64KB | Microchip
Référence : DSPIC33FJ64MC804-I/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.24 | $6,24 |
| 10 | $5.61 | $56,10 |
| 100 | $4.99 | $499,00 |
| 500 | $4.49 | $2 245,00 |
| 1 000 | $4.05 | $4 050,00 |
DSPIC33FJ64MC804-I/ML Présentation
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC sits above a general-purpose MCU in math throughput and below a standalone DSP in raw floating-point capability, making it the preferred class for closed-loop control where high-speed repetitive computation must coexist with rich on-chip analog and PWM peripherals.
Key features of the DSPIC33FJ64MC804 include the dsPIC33F 16-bit core running at 40 MIPs, 64KB (64K x 8) of Flash program memory, a dedicated Motor Control PWM module, and advanced analog peripherals. The industrial temperature grade (-40C to +85C, denoted by the -I suffix) supports harsh environments, and supply operation from 3V to 3.6V matches standard 3.3V rails.
The dsPIC33F architecture provides a modified Harvard bus with DSP multiply-accumulate instructions, enabling single-cycle MAC operations essential for FOC (field-oriented control), digital filters, and sensor fusion. The MC804 variant targets the Motor Control sub-family, whose complementary PWM outputs and dead-time control simplify three-phase inverter designs. Per the Microchip product page, the dsPIC33F family is pin compatible with the PIC24HJ family, protecting software and layout investments across the 16-bit roadmap.
Typical applications include brushless DC and PMSM motor control, digital power supplies (PFC, LLC), solar inverters, and high-intensity LED lighting, where fast ADC sampling and deterministic PWM update loops are mandatory.
Design consideration: the 44-QFN exposed pad must be soldered to a solid ground plane for thermal and signal-integrity performance; verify 3.3V regulator headroom against core and I/O current during 40 MIPs operation.
This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33FJ64MC804-I/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 DSPIC33FJ64MC804-I/ML (même facteur de forme et même empreinte) — différant par Core Architecture, Package, Operating Temperature, Timers, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ128MC804-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$5.95 / unité
Voir la fiche technique →DSPIC33FJ32MC804-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ64MC804-E/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.48 / unité
Voir la fiche technique →DSPIC33FJ64MC804T-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.55 / unité
Voir la fiche technique →PIC24HJ64GP504-I/ML
✅ Remplacement direct✓ En stock
$4.31 / unité
Voir la fiche technique →DSPIC33FJ64MC804-I/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | 16-bit dsPIC33F DSC |
| Max CPU Speed | 40 MIPs (40 MHz) |
| Flash Program Memory | 64 KB (64K x 8) |
| SRAM | 16 KB (per datasheet family description, up to 16K SRAM) |
| Tension d'alimentation | 3 V to 3.6 V |
| Boîtier | 44-QFN (8x8 mm), exposed pad |
| I/O Ports | 69 (family/package dependent) |
| ROM Type | Flash |
| Température de fonctionnement | -40C to +85C (industrial, -I suffix) |
| Motor Control PWM | Yes (MC sub-family feature) |
| Analog Features | Advanced analog (ADC, per datasheet) |
| Family Pin Compatibility | Pin compatible with PIC24HJ family |
| Type de montage | Surface Mount |
| Lead Free | Yes |
| Statut du cycle de vie | Active |
| Catégorie | Digital Signal Controllers / DSP (DSC) |
Guide de configuration des broches du DSPIC33FJ64MC804-I/ML 44-qfn (8x8 mm), exposed pad
Configuration des broches du DSPIC33FJ64MC804-I/ML (boîtier 44-qfn (8x8 mm), exposed pad). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour DSPIC33FJ64MC804-I/ML.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33FJ64MC804-I/ML convient pour 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Solar Inverters and Renewable Energy, High-Intensity LED Lighting, Sensor Signal Processing and Portable Instrumentation, Industrial Automation and Embedded Control.
BLDC / PMSM Motor Control
The DSPIC33FJ64MC804-I/ML is purpose-built for precision motor control: its 40 MIPs dsPIC33F core executes single-cycle multiply-accumulate instructions that sustain field-oriented-control (FOC) current loops at 10-20 kHz with margin for position estimation and fault handling. The dedicated Motor Control PWM module provides complementary outputs with hardware dead-time insertion, directly driving three-phase gate drivers without CPU intervention, while the advanced analog block samples phase currents and the DC bus synchronously with the PWM carrier to eliminate switching-noise artifacts. Firmware written in C or assembly uses Microchip's Motor Control libraries to shorten development cycles. Typical end products include industrial servo drives, e-bike controllers, HVAC blowers, and appliance compressors, where deterministic loop timing and integrated analog reduce external component count and overall system cost.
Recommandé
Digital Power Conversion
In switch-mode power conversion - PFC stages, LLC resonant converters, and DC-DC modules - the DSPIC33FJ64MC804-I/ML replaces analog control loops with firmware compensation. The 40 MIPs core with DSP MAC instructions executes 3p3z or PID compensators at switching frequencies of 100 kHz and beyond, while the advanced analog peripherals provide fast ADC triggering synchronized to the PWM period, ensuring sampling occurs away from switching edges. Software control enables adaptive mode switching (burst, continuous, light-load) and live tuning of loop coefficients, features hard to implement in fixed analog controllers. Digital power designers also gain telemetry and programmable protection thresholds (over-current, over-voltage, thermal) without additional supervisory ICs. The 3V-3.6V supply and industrial -40C to +85C rating suit telecom rectifiers, server PSUs, and solar micro-inverter control boards.
Recommandé
Solar Inverters and Renewable Energy
Grid-tied and off-grid solar inverters require simultaneous MPPT computation, grid synchronization, and PWM generation - a workload matched to the DSPIC33FJ64MC804-I/ML. The 40 MIPs 16-bit core runs incremental-conductance or perturb-and-observe MPPT algorithms while servicing 16-100 kHz PWM interrupt rates; the Motor Control PWM module generates phase-shifted or complementary drive signals with hardware dead time for half-bridge and full-bridge topologies. The advanced analog ADC samples PV voltage/current and grid waveforms synchronously, supporting software phase-locked-loop (SPLL) implementation for grid synchronization. Firmware flexibility allows compliance updates (anti-islanding, ride-through) via field reprogramming of the 64KB Flash. The industrial temperature grade and 3.3V logic levels integrate cleanly with gate-driver and sensing front ends typical of string-inverter and micro-inverter control cards.
Recommandé
High-Intensity LED Lighting
Digital LED drivers benefit from the DSPIC33FJ64MC804-I/ML's combination of high-resolution PWM and fast analog sensing. The Motor Control PWM module generates dimming waveforms at frequencies above the audible band (typically >20 kHz) to eliminate flicker and audible whine, while the 40 MIPs core implements constant-current regulation, DALI/DMX protocol stacks, and adaptive thermal-dimming curves simultaneously. The advanced analog ADC reads current-shunt and NTC temperature signals synchronously with PWM cycles, enabling cycle-by-cycle current limiting in buck or boost LED driver topologies. Firmware-defined color mixing and multi-channel phase management are straightforward in the 64KB Flash budget. Street lighting, architectural lighting, and horticultural luminaires use this class of DSC to meet efficiency mandates while retaining remote configurability through UART/CAN links.
Recommandé
Sensor Signal Processing and Portable Instrumentation
Battery-powered and bench instruments use the DSPIC33FJ64MC804-I/ML as a self-contained signal-processing node: the DSP MAC instructions accelerate FIR/IIR filtering, FFT computation, and RMS calculations on signals digitized by the advanced analog ADC block. The 16-bit architecture executes control and math workloads deterministically without an RTOS in many cases, and the 64KB Flash holds both application firmware and calibration tables. Sleep and idle modes reduce average current for portable designs, while the industrial -40C to +85C grade covers outdoor instruments. Example products include vibration analyzers, ultrasonic flow meters, weigh-scale front ends, and gas-detector platforms, where the DSC replaces a separate MCU-plus-DSP two-chip solution, cutting BOM cost and board area in the 8x8 mm 44-QFN footprint.
Recommandé
Industrial Automation and Embedded Control
General industrial nodes - actuators, pumps, conveyors, and smart sensors - leverage the DSPIC33FJ64MC804-I/ML as a control and communication hub. The 40 MIPs core executes control logic and protocol stacks (Modbus RTU over UART, CAN 2.0B with an external transceiver) concurrently, while peripheral pin selection routes digital functions to the pins that best fit the PCB layout, accelerating hardware iteration. The industrial temperature rating (-40C to +85C) and 3V-3.6V operation match 24V backplane systems with standard 3.3V buck regulation. Watchdog, brown-out, and code protection features support the reliability expectations of factory equipment, and the Microchip toolchain (MPLAB X, XC16 compiler) plus in-circuit debugging via ICSP shortens development. Pin compatibility with PIC24HJ devices per Microchip provides a firmware-migration safety net across product generations.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ64MC804-I/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ128MC804-I/ML | DSPIC33FJ32MC804-I/ML | DSPIC33FJ64MC804-E/ML | PIC24HJ64GP504-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 128 KB | 32 KB | 64 KB | 64 KB |
| CPU Performance | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| Motor Control PWM Sub-family | Yes (MC family) | Yes (MC family) | Yes (MC family) | Yes (MC family) | No (GP family, pin compatible) |
Principaux différenciateurs
- Double the Flash headroom (vs DSPIC33FJ32MC804-I/ML)
- Dedicated Motor Control PWM sub-family (vs PIC24HJ64GP504-I/ML)
- Extended-temperature upgrade path without redesign (vs DSPIC33FJ64MC804-E/ML)
- Balanced memory vs cost (vs DSPIC33FJ128MC804-I/ML)
Notes de conception
The 44-QFN (8x8 mm) exposed pad is the primary ground return and thermal path for the DSPIC33FJ64MC804-I/ML. Design the land pattern with an oversized center pad connected to a solid ground plane through an array of thermal vias (typically 5x5, 0.3 mm drill). Insufficient exposed-pad solder coverage is the most common cause of intermittent ground faults and elevated junction temperature in QFN DSC designs; follow Microchip's QFN soldering and land-pattern application guidance during stencil design.
Supply the DSC from a regulated 3.3V rail within the specified 3V to 3.6V window. Place 0.1uF ceramic decoupling capacitors at every VDD/VSS pin pair, as close to the pins as possible, plus one bulk capacitor (4.7-10uF) near the device. Because core current peaks coincide with Flash execution at 40 MIPs and simultaneous PWM switching, transient droop must stay within the datasheet tolerance - verify with an oscilloscope during worst-case firmware loops. Keep the analog supply clean; feed AVDD through an RC or ferrite filter for ADC accuracy.
Use Peripheral Pin Selection (PPS) deliberately: assign critical PWM and UART functions early and lock the mapping, because reassigning PPS while peripherals are active can cause bus conflicts. Program the configuration words (oscillator source, watchdog, brown-out) in code rather than relying on programmer defaults, and validate the 40 MIPs clock configuration (PLL settings) against the family datasheet oscillator section. Reserve an ICSP programming header in production layouts for field updates of the 64KB Flash.
Informations de conformité
Digchip datasheet listing describes the package as 'LEAD FREE, PLASTIC'. Full RoHS/REACH declarations should be confirmed via Microchip's official environmental compliance documentation.