DSPIC33FJ128MC710A-I/PF - 40 MIPS 128KB Flash Motor Control DSC | Microchip
Référence : DSPIC33FJ128MC710A-I/PF ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.87 | $9,87 |
| 10 | $8.92 | $89,20 |
| 100 | $7.95 | $795,00 |
| 500 | $7.12 | $3 560,00 |
| 1 000 | $6.45 | $6 450,00 |
DSPIC33FJ128MC710A-I/PF Présentation
A Digital Signal Controller is a hybrid of a microcontroller (MCU) and a Digital Signal Processor (DSP). The MCU side provides deterministic interrupt-driven control, while the DSP side adds high-throughput arithmetic for real-time control loops. In the broader taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor. DSCs sit between 8/16-bit MCUs (limited math throughput) and full DSPs (no deterministic peripherals), making them ideal for closed-loop motor control, digital power conversion, and sensor signal conditioning.
Key features of this part include a 16-bit dsPIC33F core with 40 MIPS throughput, 128 KB program Flash, 8 KB RAM, 8-channel PWM with complementary outputs and dead-time control, dual 10-bit ADCs at 1.1 Msps with up to 16 input channels, two 16-bit timers, and a CAN 2.0B interface alongside I2C, SPI, UART, and LIN. The 100-pin TQFP package exposes 85 I/O lines for parallel peripheral integration.
The architecture combines Harvard-bus memory, a hardware MAC unit for one-cycle 16x16-bit multiplies, and motor-control PWM with up to 8 outputs. Hardware QEI (Quadrature Encoder Interface) and input capture simplify closed-loop feedback wiring. The device operates from 3.0 V to 3.6 V and is industrial-grade (-40C to +85C), making it suitable for harsh industrial environments.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, 3-phase induction motor control, switched reluctance motor drives, uninterruptible power supplies (UPS), and digital power conversion. The combination of fast ADC, dedicated motor-control PWM, and CAN bus makes it a fit for industrial servo drives and field-oriented control (FOC) systems.
A key design consideration is that the on-chip 3.3 V LDO must be bypassed with a 10 uF bulk + 0.1 uF ceramic pair, and the ADC reference pins require separate decoupling to prevent motor-switching noise coupling into the conversion result. PWM fault inputs should be wired to the comparator outputs and external protection circuits.
This page synthesizes distributor pricing, drop-in same-family alternatives from the dsPIC33F portfolio, and practical motor-control PCB layout guidance not found in the standalone Microchip datasheet. Pricing references are stated 'as of 2026-09-26'.
Alternatives de remplacement direct pour DSPIC33FJ128MC710A-I/PF — 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 DSPIC33FJ128MC710A-I/PF (même facteur de forme et même empreinte) — différant par ADC, Package, Operating Temperature, Maximum CPU Speed, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ128MC710-I/PF
✅ Remplacement direct✓ En stock
$7.15 / unité
Voir la fiche technique →DSPIC33FJ128MC510A-I/PF
✅ Remplacement direct✓ En stock
$8.1 / unité
Voir la fiche technique →DSPIC33FJ64MC710A-I/PF
✅ Remplacement direct✓ En stock
$5.92 / unité
Voir la fiche technique →DSPIC33FJ256MC710A-I/PF
✅ Remplacement direct✓ En stock
$9.1 / unité
Voir la fiche technique →DSPIC33FJ128MC710A-I/PF Valeurs maximales et caractéristiques électriques
| Core | dsPIC33F 16-bit DSC (MCU + DSP engine) |
| Maximum CPU Speed | 40 MIPS at 40 MHz (MIPS = 1 MHz) |
| Program Memory (Flash) | 128 KB |
| Data RAM | 8 KB |
| Tension d'alimentation | 3.0 V to 3.6 V |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 100-pin TQFP (14x14 mm) |
| I/O Pins | 85 |
| ADC | Dual 10-bit, up to 16 channels, 1.1 Msps |
| PWM Channels | 8 with complementary outputs and dead-time |
| Timers | Two 16-bit, plus one 32-bit timer |
| QEI Modules | 1 (Quadrature Encoder Interface) |
| DMA Channels | 8 |
| Communication | CAN 2.0B, I2C, SPI, UART, LIN |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
Guide de configuration des broches du DSPIC33FJ128MC710A-I/PF 100-pin tqfp (14x14 mm)
Configuration des broches du DSPIC33FJ128MC710A-I/PF (boîtier 100-pin tqfp (14x14 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 DSPIC33FJ128MC710A-I/PF.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33FJ128MC710A-I/PF convient pour 6 applications: Brushless DC (BLDC) Motor Drive, 3-Phase Induction Motor (ACIM) VFD, Permanent Magnet Synchronous Motor (PMSM) Servo Drive, Switched Reluctance Motor (SRM) Controller, Uninterruptible Power Supply (UPS) / Inverter, Industrial Field-Oriented Control (FOC) Reference Platform.
Brushless DC (BLDC) Motor Drive
The DSPIC33FJ128MC710A-I/PF is purpose-built for BLDC motor control thanks to its 8-channel motor-control PWM with dead-time insertion, dual 1.1 Msps 10-bit ADC for simultaneous current sensing, and a hardware QEI module for rotor position feedback. At 40 MIPS, the dsPIC core can execute field-oriented control (FOC) algorithms or trapezoidal commutation in real time within a 25 us PWM cycle. The 8 DMA channels offload ADC-to-memory transfers, freeing CPU cycles for control loops. Pin-to-pin compatible variants like the DSPIC33FJ128MC510A-I/PF allow design reuse.
Recommandé
3-Phase Induction Motor (ACIM) VFD
For variable-frequency drives (VFD) controlling 3-phase induction motors, the DSPIC33FJ128MC710A-I/PF delivers the compute throughput required for sensorless vector control and V/Hz open-loop modes. Its 16 input ADC channels handle DC-bus voltage, two phase currents, and temperature feedback simultaneously at 1.1 Msps. The 85 I/O lines support opto-isolated gate driver interfaces, keypad inputs, and CAN bus for industrial networking. The 3.0-3.6 V supply pairs cleanly with isolated gate drivers such as the UCC21750-Q1 in the high-voltage power stage.
Recommandé
Permanent Magnet Synchronous Motor (PMSM) Servo Drive
In PMSM servo drives using field-oriented control, the DSPIC33FJ128MC710A-I/PF's 40 MIPS throughput enables 20 kHz control loops with full FOC math (Clarke/Park transforms, inverse transforms, PI controllers, space vector modulation). The 128 KB Flash holds complex state machines, autotuning routines, and CANopen or EtherCAT-slave libraries. The QEI module captures high-speed encoder signals for precise rotor angle tracking. Industrial servo drives in factory automation benefit from the -40C to +85C operating range.
Recommandé
Switched Reluctance Motor (SRM) Controller
Switched reluctance motors require independent control of phase currents and asymmetric half-bridge PWM - exactly what the DSPIC33FJ128MC710A-I/PF's 8-channel motor-control PWM provides. The dual ADC samples up to 16 inputs per cycle, suitable for current sensing on multiple phases. With 8 KB RAM and 8 DMA channels, the device can run position-sensorless angle estimation algorithms. The 100-pin TQFP exposes enough I/O for 6-phase SRM topologies with full protection circuitry.
Recommandé
Uninterruptible Power Supply (UPS) / Inverter
In UPS and solar inverter applications, the DSPIC33FJ128MC710A-I/PF executes digital control loops for PFC (power factor correction) and DC-AC inversion. Its 8-channel PWM drives full-bridge IGBT stages, while the dual ADC samples input current, output voltage, and grid voltage for MPPT or grid-synchronization algorithms. The 128 KB Flash holds complex state machines for grid-tie compliance (anti-islanding, THD control) and CAN bus networking for battery management communication.
Recommandé
Industrial Field-Oriented Control (FOC) Reference Platform
Microchip's motor-control development ecosystem uses the DSPIC33FJ128MC710A-I/PF as a reference platform for FOC, trapezoidal, and sinusoidal commutation algorithms. With MPLAB X IDE, MPLAB Code Configurator (MCC), and the dsPIC33F Motor Control Library, engineers can prototype field-oriented control on 3-phase PMSM, BLDC, and ACIM motors within days. The CAN 2.0B interface enables integration with industrial CANopen or DeviceNet networks, while 85 I/O lines provide expansion for additional peripherals like external encoder interfaces or LCD displays.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ128MC710A-I/PF — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ128MC710-I/PF | DSPIC33FJ128MC510A-I/PF | DSPIC33FJ64MC710A-I/PF | DSPIC33FJ256MC710A-I/PF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PF) 14x14 mm | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 256 KB (+100%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 16 KB (+100%) |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Motor-Control PWM | 8 channels with dead-time | 8 channels with dead-time | GP/MC variant (varies by device) | 8 channels with dead-time | 8 channels with dead-time |
| ADC | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps |
| QEI Module | Yes (1) | Yes (1) | Yes (1) | Yes (1) | Yes (1) |
| I/O Pins | 85 | 85 | 85 | 85 | 85 |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Largest Flash density in same 100-pin TQFP family (vs DSPIC33FJ64MC710A-I/PF)
- Dedicated 8-channel motor-control PWM with hardware dead-time (vs DSPIC33FJ128GP710A-I/PF)
- Hardware QEI module for encoder feedback (vs DSPIC33FJ128GP710A-I/PF)
- Full 8-channel PWM and dual ADC - higher than typical 16-bit MCU integration (vs PIC24F series)
Notes de conception
The DSPIC33FJ128MC710A-I/PF integrates a 3.3 V LDO that supplies the core logic from a single 3.0-3.6 V rail. Per the Microchip datasheet, place a 10 uF tantalum or ceramic bulk capacitor on VDD plus a 0.1 uF ceramic decoupling cap within 5 mm of each VDD pin. The ADC VREF+ pin requires its own 1 uF + 0.1 uF decoupling pair to prevent motor-switching noise from corrupting ADC readings. Connect all VSS pins directly to the ground plane.
Use a 4-layer PCB for motor-control designs with the DSPIC33FJ128MC710A-I/PF: layer 1 (top) for signal + power-stage, layer 2 (inner) as solid ground plane, layer 3 (inner) for 3.3 V power, layer 4 (bottom) for signal. Place the analog ground island under the ADC and reference pins and stitch it to the main ground plane at a single point under the DSC. Keep the PWM traces short (less than 25 mm) and away from the analog signals. Estimated: at a 10 kHz PWM switching frequency with 6-inch traces, gate-drive ringing should be well below 5%.
Do not exceed 3.6 V on any I/O pin - the DSPIC33FJ128MC710A-I/PF is NOT 5 V tolerant. Use level shifters (such as the MCP23017 or TXS0108E) when interfacing to 5 V logic such as legacy industrial peripherals or older display modules. The PWM fault input (FLTA1) must be wired to the comparator output and over-current protection circuitry to ensure hardware-level shutdown of the inverter within microseconds.
For QEI input signals from a high-speed encoder, route the differential or single-ended QEA/QEB/INDX traces as a matched-length group and add a series 100 ohm resistor at the DSC pin to dampen ringing. Estimated: at 10 MHz encoder line frequency on a 6-inch trace, source-termination of 100 ohm prevents reflections above 200 mV. Keep these traces away from the PWM outputs by at least 25 mm and use a guard trace grounded at both ends if space allows.
Informations de conformité
RoHS compliant per Microchip product page. Industrial grade (-40C to +85C), not AEC-Q100 qualified - choose AEC-Q100 qualified dsPIC33 variants for automotive.
