DSPIC33FJ32MC304-E/PT - 16-bit 40MIPS DSC, 32KB Flash | Microchip
Référence : DSPIC33FJ32MC304-E/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.9 | $6,90 |
| 10 | $6.21 | $62,10 |
| 100 | $5.52 | $552,00 |
| 500 | $4.97 | $2 485,00 |
| 1 000 | $4.45 | $4 450,00 |
DSPIC33FJ32MC304-E/PT Présentation
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it executes DSP-class multiply-accumulate instructions while retaining MCU-style peripherals such as UART, SPI, I2C and PWM modules. The dsPIC33F family is pin compatible with the PIC24HJ family and highly compatible with dsPIC30F devices, enabling seamless migration between Microchip 16-bit platforms.
Key features include a modified Harvard 16-bit architecture with DSP engine, two ADC modules suited to simultaneous motor phase-current sampling, a dedicated Motor Control PWM peripheral, and DMA channels that offload data movement from the CPU. The 3.0V to 3.6V single-supply operation simplifies power-tree design, and 21 I/O ports provide ample connectivity for sensors, communications and gate drivers.
Technically, the dsPIC33FJ32MC304 executes most instructions in a single cycle and provides fixed-point DSP instructions (MAC, MPY, dual data fetch) that suit high-speed repetitive loops such as field-oriented control (FOC). The Flash program memory is self-programmable, supporting field firmware updates, and the device includes watchdog, brown-out and low-power sleep/idle modes.
Typical applications include brushless DC and PMSM motor control, digital power supplies and solar inverters, sensorless FOC drives, and automotive auxiliary systems where the AEC-Q100-aligned extended temperature grade is valued.
For design, budget the 32KB Flash and on-chip SRAM early; the -E extended temperature part requires supply decoupling of 0.1uF per VDD/VSS pair, and MCLR programming circuitry compatible with Microchip ICSP tools such as PICkit and ICD.
This page adds value beyond the datasheet by consolidating distributor stock signals, drop-in same-family alternatives, a parametric comparison table, and practical design notes in one AI-citable reference.
Alternatives de remplacement direct pour DSPIC33FJ32MC304-E/PT — 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 DSPIC33FJ32MC304-E/PT (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, RoHS Status, Program Memory, Family Compatibility.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ32MC204-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.66 / unité
Voir la fiche technique →DSPIC33FJ64MC304-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ128MC304-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ32MC304-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.78 / unité
Voir la fiche technique →DSPIC33FJ32GP204-E/PT
✅ Remplacement direct✓ En stock
$3.15 / unité
Voir la fiche technique →DSPIC33FJ32MC204-I/ML
✅ Remplacement direct✓ En stock
$4.37 / unité
Voir la fiche technique →DSPIC33FJ32MC304-E/PT Valeurs maximales et caractéristiques électriques
| Core Size | 16-bit |
| Program Memory Type | Flash |
| Program Memory Size | 32KB (32K x 8) |
| Core Type | dsPIC 33F |
| Performance | 40 MIPS |
| Tension d'alimentation | 3 V to 3.6 V |
| I/O Count | 21 |
| Boîtier | 44-TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +125C |
| Peripherals | Motor Control PWM, DMA |
| Product Family | dsPIC 33F Digital Signal Controller |
| Pin Compatibility | PIC24HJ family, dsPIC30F compatible |
| Qualification | AEC-Q100 aligned (Automotive series per distributor data) |
| Statut RoHS | ROHS3 Compliant |
| Packaging | Tray |
| Manufacturer Lead Time | 25 weeks |
Guide de configuration des broches du DSPIC33FJ32MC304-E/PT 44-tqfp (10x10 mm)
Configuration des broches du DSPIC33FJ32MC304-E/PT (boîtier 44-tqfp (10x10 mm)). 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 DSPIC33FJ32MC304-E/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33FJ32MC304-E/PT convient pour 6 applications: Brushless DC and PMSM Motor Control, Digital Power Supplies and Inverters, Automotive Auxiliary Systems, Industrial Automation and Robotics, Sensor Signal Processing and DSP Filtering, Smart Lighting and Electronic Ballasts.
Brushless DC and PMSM Motor Control
The DSPIC33FJ32MC304-E/PT is purpose-built for BLDC and PMSM drives: its dedicated Motor Control PWM module generates complementary or independent PWM channels with dead-time insertion, while the ADC supports simultaneous sampling of phase currents for field-oriented control at 40 MIPS. In a typical sensorless FOC drive, the controller runs current loops at 10-20 kHz, executing Park/Clarke transforms and PI regulators within each PWM period using single-cycle MAC instructions. The -40C to +125C grade suits sealed industrial drives and automotive auxiliary motors. Place the controller close to the gate-driver stage, route current-sense signals with Kelvin connections, and exploit DMA to stream ADC results without CPU intervention.
Recommandé
Digital Power Supplies and Inverters
Digital AC-DC, DC-DC and solar-inverter stages benefit from the DSPIC33FJ32MC304-E/PT's fast deterministic control loop and flexible PWM resolution. The controller executes average-current-mode or peak-current-mode loops at tens of kHz using its DSP engine, with DMA feeding ADC samples from current transformers and voltage dividers into RAM without CPU stalls. The 32KB Flash comfortably holds control compensators, soft-start sequencing, protection state machines (overcurrent, overvoltage, brown-out) and a UART telemetry interface. Its 3.0V-3.6V single-supply operation simplifies the bias rail, and the extended temperature range suits outdoor power electronics enclosures with limited cooling.
Recommandé
Automotive Auxiliary Systems
With its AEC-Q100-aligned automotive series classification and -40C to +125C operating range, the DSPIC33FJ32MC304-E/PT fits automotive auxiliary modules: electric water pumps, HVAC blowers, fuel pumps, throttle actuators and LED headlamp drivers. The Motor Control PWM drives three-phase bridges directly through gate drivers, while CAN communication via an external transceiver integrates the module into vehicle networks. Firmware stored in 32KB Flash covers sensorless commutation, diagnostics, and functional-safety-style self-tests. Designers should derate for engine-bay ambient temperatures, include load-dump protection upstream of the 3.3V rail, and confirm PPAP documentation with Microchip for series production.
Recommandé
Industrial Automation and Robotics
In factory automation, the DSPIC33FJ32MC304-E/PT controls servo axes, stepper drivers, conveyors and robotic joints where 16-bit DSP math at 40 MIPS closes torque and velocity loops deterministically. Its 21 I/O pins interface limit switches, encoders (via quadrature decoding in firmware), and RS-485 or CAN fieldbus through external transceivers. DMA channels move ADC and UART data concurrently, reducing interrupt jitter that would otherwise degrade control-loop quality. The extended temperature grade tolerates unventilated control cabinets, and the same firmware base migrates across dsPIC33FJ Flash sizes, letting one PCB platform serve both the 32KB economy variant and the 128KB flagship variant.
Recommandé
Sensor Signal Processing and DSP Filtering
The single-cycle MAC, dual operand fetch and circular buffers of the dsPIC33F architecture make the DSPIC33FJ32MC304-E/PT an efficient host for FIR/IIR filters, FFT-based vibration analysis and sensor fusion. Analog inputs from accelerometers, pressure sensors or microphones are sampled by the ADC and streamed via DMA, with filtering executed at 40 MIPS in fixed-point arithmetic - adequate for kHz-bandwidth signal chains without an external DSP. Typical products include condition-monitoring nodes, acoustic analyzers and portable instrumentation. The 3.3V operation matches common analog front-ends, and the 44-TQFP offers enough GPIO for gain control, calibration relays and a local display interface.
Recommandé
Smart Lighting and Electronic Ballasts
High-intensity discharge and LED ballast designs use the DSPIC33FJ32MC304-E/PT's PWM and ADC combination for constant-current regulation, dimming (0-10V, DALI over UART, or PWM input) and lamp-fault protection. The controller runs a fast feedback loop on LED current, adjusts duty cycle within microseconds, and executes PFC control in digital power stages of large fixtures. The extended -40C to +125C rating matches outdoor and sealed luminaire environments, while 32KB Flash holds communication stacks, dimming curves and diagnostic logs. Its low-cost 44-TQFP footprint makes it economical for volume lighting OEMs consolidating multiple analog control chips into one programmable DSC.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ32MC304-E/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ32MC204-E/PT | DSPIC33FJ64MC304-E/PT | DSPIC33FJ128MC304-E/PT | DSPIC33FJ32GP204-E/PT | DSPIC33FJ32MC204-I/ML |
|---|---|---|---|---|---|---|
| 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-QFN - footprint differs |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS |
| Flash Program Memory | 32KB (32K x 8) | 32KB | 64KB | 128KB | 32KB | 32KB |
| Motor Control PWM | Yes (dedicated MC PWM) | Yes | Yes | Yes | No (GP peripheral set) | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C class |
| Supply 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 | 3.0 V to 3.6 V |
| Analog Integration | Full MC analog set (dual ADC sampling) | Reduced ADC configuration | Full MC analog set | Full MC analog set | GP analog set | Reduced ADC configuration |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Principaux différenciateurs
- Dedicated Motor Control PWM with dead-time insertion (vs DSPIC33FJ32GP204-E/PT)
- Full MC analog set with dual ADC simultaneous sampling (vs DSPIC33FJ32MC204-E/PT)
- Extended +125C temperature rating (vs DSPIC33FJ32MC304-I/PT)
- Lowest-cost entry into the MC304 family (vs DSPIC33FJ128MC304-E/PT)
Notes de conception
The dsPIC33FJ32MC304 requires a tightly regulated 3.0V-3.6V supply; all VDD/VDDCORE pairs on the 44-TQFP must be connected with a 0.1uF ceramic capacitor at each pin pair plus at least 4.7uF of bulk capacitance near the device. When powering from a 5V or automotive 12V rail, use an LDO such as the MCP1702 or a buck stage with sufficient transient response; the 40 MHz core draws load steps during flash write operations. Estimated: at roughly 60-90 mA typical active current, a linear regulator dropping 12V to 3.3V dissipates about 0.7-1.0 W, so prefer switching regulation in sealed enclosures.
For motor-control layouts, keep the ADC sense traces (phase-current shunt signals, bus voltage divider) short, routed as Kelvin connections directly to the sense resistors, away from PWM switching nodes and gate-drive loops. Place the ICSP programming header (MCLR, PGD, PGC, VDD, GND) at the board edge for in-circuit access with PICkit or ICD tools. Ground the AVSS/AGND with a quiet analog ground island joined at one point to power ground. The exposed 10x10 mm TQFP needs no thermal pad but benefits from solid ground plane under the die area.
Do not exceed the 3.6V absolute supply limit - 5V directly on VDD will destroy the device. Verify the correct temperature grade: the -E/PT is rated to +125C, but substituting an -I grade part to save cost in a hot enclosure will cause field failures. Silicon errata exist for early dsPIC33F revisions (documented in Microchip device errata sheets); check the silicon revision against Microchip's errata before relying on ADC or DMA corner-case behavior. Finally, budget 32KB Flash early - graphics stacks and FOC + communication combined can overflow it, at which point the pin-compatible DSPIC33FJ64MC304 or 128MC304 is the migration path.
Informations de conformité
Distributor data (Microchip USA) lists Series: Automotive, AEC-Q100, dsPIC 33F; RoHS Status: ROHS3 Compliant; lead-free plastic 44-TQFP tray packaging. REACH, halogen-free and conflict-minerals status not stated in provided data.