DSPIC33EV256GM003T-I/M5 - 5V 70 MIPS 256KB DSC | Microchip
Référence : DSPIC33EV256GM003T-I/M5 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.18 | $41,80 |
| 100 | $3.74 | $374,00 |
| 500 | $3.38 | $1 690,00 |
| 1 000 | $3.05 | $3 050,00 |
DSPIC33EV256GM003T-I/M5 Présentation
A digital signal controller combines the compute architecture of a digital signal processor - single-cycle MAC, barrel shifter, hardware division support, DSP instruction set - with the peripheral integration and deterministic interrupt structure of a microcontroller. Within the power-management hierarchy, the dsPIC33EV family sits above basic MCUs and targets embedded control loops that also require signal processing, such as motor control, power conversion, and sensor fusion in harsh electrical environments.
Key differentiating features include the native 5V operating supply (simplifying designs that interface directly with automotive and industrial 5V sensors), error-correcting code (ECC) on Flash for functional-safety oriented designs, six motor-control PWM channels, three integrated operational amplifiers, a Charge Time Measurement Unit (CTMU) for capacitive touch and precision timing, and a SENT peripheral for automotive sensor networks.
Architecturally, the dsPIC33EV core executes up to 70 MIPS at 3.3V-5V, with four DMA channels and seven timers offloading data movement and scheduling from the CPU. The 60 MHz internal clock system (per distributor listings) supports PLL multiplication from internal or external sources, and the peripheral ecosystem supports CAN, UART, SPI, and I2C communication.
Typical applications include brushless DC and PMSM motor drives, automotive body and comfort electronics, appliance motor and heater control, and industrial power supplies - all environments where 5V noise immunity and DSP-grade math are valuable.
Design consideration: the native 5V rail simplifies board-level ESD and noise margins, but verify peripheral current budgets and thermal dissipation at maximum MIPS in the 5x5 mm UQFN package.
This page synthesizes distributor listings, drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet. Pricing shown is as of 2026-09-26.
Alternatives de remplacement direct pour DSPIC33EV256GM003T-I/M5 — 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 DSPIC33EV256GM003T-I/M5 (même facteur de forme et même empreinte) — différant par Package, Core, Core Architecture, RAM, Packaging.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EV256GM003T-E/M5
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EV256GM003T-H/M5
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EV128GM103T-I/M5
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.52 / unité
Voir la fiche technique →DSPIC33EV256GM003T-I/M5 Valeurs maximales et caractéristiques électriques
| Core | 16-bit dsPIC33E |
| Core Architecture | Digital Signal Controller (DSC) |
| Maximum MIPS | 70 MIPS |
| Operating Voltage | 5 V |
| Flash Program Memory | 256 KB (85.5K x 24), ECC |
| RAM | 16 KB |
| Clock Frequency | 60 MHz |
| Motor Control PWM Channels | 6 MC PWM |
| Integrated Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| DMA Channels | 4 |
| Timers | 7 |
| Boîtier | 36-UQFN (5x5 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (I grade) |
| Statut RoHS | unknown |
Guide de configuration des broches du DSPIC33EV256GM003T-I/M5 36-uqfn (5x5 mm)
Configuration des broches du DSPIC33EV256GM003T-I/M5 (boîtier 36-uqfn (5x5 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 DSPIC33EV256GM003T-I/M5.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33EV256GM003T-I/M5 convient pour 6 applications: BLDC / PMSM Motor Control, Automotive Body and Sensor Nodes, Appliance Control Boards, Digital Power Conversion, Industrial Sensing and Instrumentation, HVAC and Compressor Control.
BLDC / PMSM Motor Control
The DSPIC33EV256GM003T-I/M5 is a strong fit for brushless DC and permanent-magnet synchronous motor drives because it combines 6 motor-control (MC) PWM channels with a 70 MIPS DSP core executing field-oriented control (FOC) math via single-cycle MAC instructions. The 3 on-chip operational amplifiers condition shunt-resistor current feedback without external op amps, reducing BOM cost and board area. In a typical topology, the MC PWMs drive a three-phase inverter gate-driver stage at 5V logic levels with high noise immunity, while the ADC samples phase currents synchronized to the PWM carrier. The 5V operation is a quantified benefit in appliance and industrial drives, where motor switching noise would challenge 3.3V logic margins.
Recommandé
Automotive Body and Sensor Nodes
The DSPIC33EV256GM003T-I/M5 targets automotive body electronics and sensor-acquisition nodes thanks to its native 5V supply, ECC-protected Flash for functional-safety oriented designs, and a hardware SENT peripheral implementing the SAE J2716 single-edge nibble transmission interface used by many automotive position and pressure sensors. Hardware SENT decoding offloads timing-critical work from the 70 MIPS CPU, leaving headroom for diagnostic and network tasks. The CTMU supports capacitive touch interfaces for panels and switches. In practice the device sits between 5V automotive sensors and CAN/LIN transceivers, with the 16-bit dsPIC33E core handling filtering and linearization. The I-grade (-40C to +85C) rating covers most in-cabin and under-dash environments; use the E-grade variant for harsher zones.
Recommandé
Appliance Control Boards
Home appliances - washing machines, refrigerators, dishwashers - benefit directly from the DSPIC33EV256GM003T-I/M5 feature set. The 5V operating voltage matches legacy appliance power rails and sensor outputs, reducing level-shifting circuitry, while 70 MIPS performance runs motor FOC for drum and compressor drives alongside user-interface logic. The CTMU enables low-cost capacitive-touch buttons replacing mechanical switches, and the 6 MC PWM channels handle inverter and heater control. The 256KB ECC Flash accommodates substantial application code plus OTA-style field-update staging. The compact 36-UQFN (5x5 mm) footprint fits dense single-board appliance controllers. Microchip explicitly positions the dsPIC33EV family for appliances operating in harsh electrical environments, where switching-relay transients demand robust 5V noise margins.
Recommandé
Digital Power Conversion
Switching power supplies, solar micro-inverters, and battery chargers require the deterministic high-rate control loops that the DSPIC33EV256GM003T-I/M5 delivers: the 70 MIPS 16-bit DSP core with single-cycle MAC executes proportional-integral compensators at hundreds of kilohertz update rates, while the 6 MC PWM channels provide complementary outputs with dead-time insertion for half-bridge and full-bridge stages. The 3 on-chip op amps buffer current-shunt signals into the ADC path, eliminating external amplifiers in space-constrained power boards. The 5V logic directly interfaces optocoupler and gate-driver inputs common in isolated power designs. The 16KB RAM and 4 DMA channels sustain fast loop data movement without CPU intervention, preserving deterministic interrupt latency essential to stability in peak-current-mode and voltage-mode converters.
Recommandé
Industrial Sensing and Instrumentation
Factory sensors, load-cell front ends, and portable instrumentation leverage the DSPIC33EV256GM003T-I/M5 analog and DSP integration. The CTMU provides precision time-charge measurements for capacitive and resistive sensing, and the integrated op amps amplify small differential signals before the on-chip ADC samples them. The 70 MIPS core applies DSP filtering - FIR/IIR, FFT-based analysis - directly on the 16-bit fixed-point architecture designed for exactly this workload. Native 5V I/O connects directly to industrial 0-5V and 4-20 mA receiver front ends without level translation. The ECC Flash protects calibration constants against bit corruption over long service life. In a typical design the DSC runs the measurement loop and communicates results over UART/SPI to a PLC or gateway, with the 36-UQFN package keeping module PCBs compact.
Recommandé
HVAC and Compressor Control
Commercial HVAC systems and variable-speed compressors are classic dsPIC33EV applications: the DSPIC33EV256GM003T-I/M5 drives the compressor inverter with 6 MC PWM channels under sensorless FOC, using the 3 integrated op amps for phase-current reconstruction and the 70 MIPS core for back-EMF observers and slip estimation. The 5V noise immunity is valuable in compressor cabinets where contactor arcing and inverter dv/dt create a harsh EMI environment. The 256KB ECC Flash holds application code plus fault logs and multiple refrigerant profiles, while hardware SENT can read pressure transducers used in modern refrigerant systems. The CTMU supports capacitive touch for thermostat panels. The I-grade temperature range covers typical indoor and rooftop electrical enclosures, with the E-grade variant available for extreme installations.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EV256GM003T-I/M5 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EV256GM003T-E/M5 | DSPIC33EV256GM003T-H/M5 | DSPIC33EV128GM103T-I/M5 |
|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm) | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Max MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C (I) | Extended grade (E) | High-temp grade (H) | -40C to +85C (I) |
| Motor Control PWM / Op Amps | 6 MC PWM, 3 op amps | 6 MC PWM, 3 op amps | 6 MC PWM, 3 op amps | 6 MC PWM, 3 op amps |
| Special Peripherals | CTMU, SENT | CTMU, SENT | CTMU, SENT | CTMU, SENT |
Principaux différenciateurs
- 256KB ECC Flash in compact 36-UQFN footprint (vs DSPIC33EV128GM103T-I/M5)
- Cost-effective I-grade for standard environments (vs DSPIC33EV256GM003T-E/M5)
- Integrated analog reduces BOM (vs Generic 5V MCU alternatives)
Notes de conception
The DSPIC33EV256GM003T-I/M5 is a native 5V device, but Microchip dsPIC33EV parts also support a wider VDD range per family data. Decouple each VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the package. Ensure the 5V rail feeding the DSC is regulated and transient-protected in automotive and appliance environments - load-dump and relay-kick transients can exceed absolute maximum ratings. Estimated: at 70 MIPS with all peripherals active, core current draw is in the tens-of-mA range; budget regulator headroom accordingly rather than sizing for idle current alone.
The 36-UQFN (5x5 mm) package has a center thermal pad; connect it to a solid ground plane with an array of vias to reduce theta_JA and improve noise performance. Keep the crystal/oscillator traces short and guard them with ground. Route MC PWM outputs away from analog op-amp inputs to the on-chip amplifiers; crosstalk from 5V PWM edges into current-sense lines is a common issue on inverter boards. Use a ground cutout under analog routing and a single-point star return to the power stage to keep motor-switching currents out of the DSC ground reference.
When substituting temperature-grade variants (I/E/H), verify the exact suffix on incoming reels - the parts are electrically identical but the E and H grades are the correct choice only above +85C ambient; using them at room temperature wastes cost. Do not assume the 256KB Flash address map matches smaller dsPIC33EV parts when sharing linker scripts. Enable the ECC Flash feature checks in code if your project follows functional-safety practices, and configure configuration-word settings (watchdog, oscillator fail-safe) deliberately at programming time rather than relying on erased defaults.
Informations de conformité
Compliance status not explicitly stated in provided web data; verify on the official Microchip product page.