DSPIC33FJ64MC508AT-I/PT - 16-bit 40 MIPS DSC 64KB Flash | Microchip
Référence : DSPIC33FJ64MC508AT-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.55 | $6,55 |
| 10 | $6.2 | $62,00 |
| 25 | $5.95 | $148,75 |
| 100 | $5.6 | $560,00 |
| 250 | $5.3 | $1 325,00 |
DSPIC33FJ64MC508AT-I/PT Présentation
A digital signal controller combines the computational core of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, a DSC such as the dsPIC33F sits between general-purpose MCUs and dedicated DSPs, providing single-cycle MAC and DSP instructions alongside familiar MCU peripherals, making it a bridge product in embedded control semiconductors.
Key features include the 16-bit dsPIC33FJ core clocked at up to 40 MIPS, 64 KB of self-programming FLASH, 8 KB of L1 data RAM, 8 DMA channels that move data without CPU intervention, 9 timers, 69 general-purpose I/O pins, and an 18-channel A/D converter supporting 10-bit and 12-bit modes. Communication peripherals include ECAN, I2C, SPI, and UART, enabling integration into industrial networks and multi-chip systems.
The device uses a CMOS process and is part of the dsPIC33F Motor Control family, which provides dedicated PWM peripherals and advanced analog integration aimed at real-time control loops. The A/D converter can sample multiple channels concurrently with the PWM units, a topology that suits field-oriented motor control and digital power conversion where ADC sampling must be synchronized to switching events.
Typical applications include brushless DC motor drives, single- and 3-phase induction motor control, switched reluctance motors, uninterruptible power supplies, digital power supplies, solar inverters, and industrial automation nodes that require ECAN networking. Per Microchip's product page, the dsPIC33FJ64MC508A family explicitly targets these motor control and UPS use cases.
Design consideration: the dsPIC33FJ64MC508A operates from a 3.0 V to 3.6 V supply, so level shifting is required when interfacing with 5 V logic; decouple VDD/VDDCORE per the manufacturer datasheet and take advantage of the tape-and-reel (-T) suffix for automated assembly.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, adding selection guidance beyond standard catalog listings.
Alternatives de remplacement direct pour DSPIC33FJ64MC508AT-I/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 DSPIC33FJ64MC508AT-I/PT (même facteur de forme et même empreinte) — différant par Core, Operating Temperature, Package, Packaging, Timers.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ64MC508A-I/PT
✅ Remplacement direct✓ En stock
$11.8 / unité
Voir la fiche technique →DSPIC33FJ64MC508AT-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ64MC508A-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33FJ64MC508AT-I/PT Valeurs maximales et caractéristiques électriques
| Core | dsPIC33FJ, 16-bit |
| Fréquence d'horloge maximale | 40 MHz |
| Performance | 40 MIPS |
| Program Memory Size | 64 KB (64K x 8) FLASH |
| Data RAM Size | 8 kB |
| Number of I/O | 69 |
| ADC Resolution | 10-bit / 12-bit |
| ADC Channels | 18 |
| DMA Channels | 8 |
| Timers | 9 |
| Communication Interfaces | ECAN, I2C, SPI, UART |
| Tension d'alimentation | 3 V to 3.6 V |
| Température de fonctionnement | -40C to +85C |
| Boîtier | 80-TQFP (12x12 mm), 0.5 mm pitch |
| Style de montage | SMD/SMT |
| Process Technology | CMOS |
| Target Applications | Motor control, digital power, UPS |
| Packaging | Tape and Reel |
Guide de configuration des broches du DSPIC33FJ64MC508AT-I/PT 80-tqfp (12x12 mm), 0.5 mm pitch
Configuration des broches du DSPIC33FJ64MC508AT-I/PT (boîtier 80-tqfp (12x12 mm), 0.5 mm pitch). 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 DSPIC33FJ64MC508AT-I/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33FJ64MC508AT-I/PT convient pour 6 applications: Brushless DC Motor Control, Uninterruptible Power Supplies (UPS), Single and 3-Phase Induction Motor Drives, Switched Reluctance Motor Drives, Industrial Automation and ECAN Networking Nodes, Digital Power Conversion and Inverters.
Brushless DC Motor Control
The DSPIC33FJ64MC508AT-I/PT fits BLDC drives because its 40 MIPS 16-bit DSP core executes commutation and field-oriented control loops with single-cycle multiply-accumulate instructions, while the 18-channel 10/12-bit ADC samples phase currents synchronized to the motor-control PWM via DMA without CPU intervention. Microchip explicitly lists BLDC support for this family. In a typical topology the DSC generates complementary PWM with dead-time for a three-phase inverter, reads current shunts each PWM cycle through the ADC/DMA path, and closes the current loop in software. The 8 KB RAM holds state observers and PI structures, and ECAN connects the drive to a vehicle or factory network. Running from 3.0-3.6 V, the controller interfaces to gate drivers through level-shifted logic.
Recommandé
Uninterruptible Power Supplies (UPS)
Microchip identifies uninterruptible power supply applications as a primary target for the dsPIC33F Motor Control family, and the DSPIC33FJ64MC508AT-I/PT provides the required control bandwidth. The 40 MIPS core runs the inverter and rectifier control loops, while the 18-channel ADC with DMA captures battery voltage, bus voltage, and output current samples synchronized to the PWM carrier, minimizing switching-noise corruption of the feedback signals. The 8 DMA channels offload data movement so the CPU is dedicated to the control algorithm, and the 64 KB FLASH stores waveform tables and a communication stack. ECAN, I2C, SPI, and UART interfaces support front-panel, battery-management, and network monitoring links in rack or tower UPS systems.
Recommandé
Single and 3-Phase Induction Motor Drives
For induction motor control, the DSPIC33FJ64MC508AT-I/PT implements sensorless V/f or field-oriented control: the 40 MIPS DSP core runs flux and torque estimators, the 12-bit ADC mode provides the resolution needed for low-speed current measurement, and 8 DMA channels stream ADC results into the 8 KB RAM while the CPU computes the control update. Microchip's product page names single- and 3-phase induction motors directly. The 69 I/O pins accommodate contactor control, keypad, and status signals in industrial panels, and ECAN enables multi-drive coordination on a factory bus. The -40C to +85C industrial rating suits pump, fan, and compressor drives installed in unconditioned environments such as HVAC plants.
Recommandé
Switched Reluctance Motor Drives
Switched reluctance (SR) motors demand precisely timed, per-phase current chopping, which the DSPIC33FJ64MC508AT-I/PT handles well. Per Microchip, SR motor control is an explicitly supported application for the dsPIC33FJ64MC508A family. The 40 MIPS core executes per-phase torque-sharing algorithms, the high-speed ADC resolves phase-current profiles during short conduction intervals, and the motor-control PWM units generate the asymmetric excitation patterns SR machines require. DMA moves the sampled currents so no CPU cycles are lost to data handling. The 69 I/O pins provide rotor-position sensor inputs and fault monitoring, while the industrial -40C to +85C range covers the high ambient temperatures typical of SR applications in appliances, automotive auxiliaries, and industrial machinery.
Recommandé
Industrial Automation and ECAN Networking Nodes
Beyond motors, the DSPIC33FJ64MC508AT-I/PT serves as a smart automation node: its ECAN module implements the CAN 2.0B protocol for robust factory networking, while SPI, I2C, and dual UART interfaces link sensors, displays, and gateway equipment. The 40 MIPS 16-bit core provides enough headroom for protocol stacks plus local control logic, and the 18-channel ADC digitizes analog sensors (pressure, temperature, current) at 10- or 12-bit resolution with DMA double-buffering. The 69 general-purpose I/O pins support direct actuation and status monitoring. The -40C to +85C rating, 80-pin TQFP 0.5 mm pitch for dense PCBs, and tape-and-reel delivery for automated assembly make it practical for volume industrial equipment.
Recommandé
Digital Power Conversion and Inverters
Solar inverters, PFC stages, and DC-DC converters benefit from the DSPIC33FJ64MC508AT-I/PT's synchronized PWM-ADC architecture. The 40 MIPS core runs average-current-mode or predictive control loops at switching frequency, while the 10/12-bit ADC samples the power stage synchronized to PWM edges via DMA - the key to accurate current sensing in switching converters. The 8 KB RAM stores compensator state and fault logs, 64 KB FLASH holds soft-start and protection routines, and the ECAN/UART links report telemetry to a system controller. For designs needing higher PWM resolution, XAIPART also lists the DSPIC33FJ64GS610T digital-power family, but the MC508A is a strong choice when one controller must handle both motor and power-conversion duties.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ64MC508AT-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ64MC508A-I/PT | DSPIC33FJ64MC508AT-E/PT | DSPIC33FJ64MC508A-E/PT |
|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | dsPIC33FJ 16-bit, 40 MIPS | dsPIC33FJ 16-bit, 40 MIPS | dsPIC33FJ 16-bit, 40 MIPS | dsPIC33FJ 16-bit, 40 MIPS |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | Extended (E grade) | Extended (E grade) |
| Packaging Method | Tape and Reel (-T) | Tray | Tape and Reel (-T) | Tray |
| Peripherals | 8 DMA, 9 timers, 18-ch 10/12-bit ADC, ECAN/I2C/SPI/UART, 69 I/O | Identical | Identical | Identical |
Principaux différenciateurs
- Tape-and-reel ready for volume SMT lines (vs DSPIC33FJ64MC508A-I/PT)
- Balanced 64 KB / 8 KB memory for motor control code (vs DSPIC33FJ64MC506A-I/PT)
- Industrial temperature grade at standard cost (vs DSPIC33FJ64MC508AT-E/PT)
Notes de conception
Power the dsPIC33FJ64MC508A from a clean 3.3 V rail within the 3.0 V to 3.6 V datasheet window. Each VDD pin pair on the 80-TQFP needs its own 0.1 uF ceramic capacitor placed within 2 mm of the pin, plus bulk 10 uF near the supply entry. The internal core regulator (VDDCORE) requires the exact capacitance specified in the manufacturer datasheet - deviating from it can cause brown-out resets during 40 MIPS operation. Level-shift any 5 V logic signals, as absolute maximum ratings on digital pins are rail-limited.
For motor control layouts, route ADC sense lines (phase-current shunt signals) away from PWM gate-driver traces; the synchronized ADC sampling window is short and switching transients couple easily. Use a solid ground plane under the TQFP and connect AVDD/AVSS to a quiet analog island with an RC filter from the digital 3.3 V rail. Place the ECAN transceiver close to the CAN pins with a stub as short as possible to preserve signal integrity at 1 Mbps. Provide ICSP/ICD header access (5-pin) for PICkit/ICD programming.
Do not confuse the -I and -E temperature grades when consolidating the bill of materials: DSPIC33FJ64MC508AT-E/PT is a safe substitute for -I/PT, but the reverse substitution risks field failures above +85C. Also verify the PPS/pin-role table in the family datasheet before routing - assuming a peripheral sits on a fixed pin is the most common first-revision error with dsPIC33F designs. Finally, the -T tape-and-reel suffix does not change silicon: ordering the non-T tray part is acceptable for prototyping.
Informations de conformité
Compliance status not explicitly stated in the provided web data; modern Microchip dsPIC33F production parts are typically RoHS-compliant, but verify on the Microchip product page for DSPIC33FJ64MC508AT-I/PT before relying on it.
