DSPIC33EP128MC204-E/PT - 16-bit 60 MIPS DSC 128KB | Microchip
Référence : DSPIC33EP128MC204-E/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.52 | $6,52 |
| 10 | $6.02 | $60,20 |
| 100 | $5.55 | $555,00 |
| 500 | $5.1 | $2 550,00 |
| 1 000 | $4.72 | $4 720,00 |
DSPIC33EP128MC204-E/PT Présentation
A digital signal controller combines a microcontroller (MCU) with digital signal processor (DSP) features in a single chip. Within the power-management hierarchy of embedded control, a DSC sits above general-purpose microcontrollers: it adds a hardware DSP engine, fast interrupt handling, and motor-control-specific peripherals, while retaining the flash memory, RAM, and general-purpose I/O structure of an MCU. The dsPIC33EP family is Microchip's 16-bit DSC generation optimized for precision motor control.
Key features include the MCPWM (motor control PWM) peripheral with complementary outputs and dead-time control, integrated analog comparators, and on-chip operational amplifiers, which reduce external component count in sensorless and FOC (field-oriented control) motor drives. The 16-bit architecture executes up to 60 million instructions per second, and multiple PGEC/PGED pin pairs support In-Circuit Serial Programming (ICSP) and in-circuit debugging.
Technical depth: the dsPIC33E core integrates a DSP engine with 40-bit accumulators, single-cycle MAC operations, and hardware divide support, allowing control-loop mathematics (PI/PID, Clarke/Park transforms) to execute within tight PWM interrupt deadlines. Flash-based program memory supports self-programming for field updates.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, power factor correction stages, digital UPS and inverter control, and embedded industrial automation nodes that combine control math with real-time PWM generation.
Design consideration: connect all VDD/VSS pairs and fit the internal regulator capacitor (VCAP) on the dedicated pin as required by the datasheet; use a matched PGECx/PGEDx pair when wiring the ICSP connector.
This page synthesizes distributor listings, drop-in family alternatives, and selection guidance not consolidated in the manufacturer datasheet. Pricing shown is an estimate as of 2026-09-23 and must be confirmed with distributors.
Alternatives de remplacement direct pour DSPIC33EP128MC204-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 DSPIC33EP128MC204-E/PT (même facteur de forme et même empreinte) — différant par Package, Maximum CPU Speed, Program Memory (Flash), Core Architecture, RAM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP128MC204-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.67 / unité
Voir la fiche technique →DSPIC33EP256MC204-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP64MC204-E/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.97 / unité
Voir la fiche technique →DSPIC33EP128MC204-E/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 128 KB (43K x 24 instruction words) |
| Data RAM | 16 KB |
| Boîtier | 44-TQFP (10x10 mm) |
| Plage de température de fonctionnement | -40C to +125C (extended, E grade) |
| Motor Control PWM (MCPWM) | Yes |
| Analog Comparators | Yes (on-chip) |
| Operational Amplifiers | Yes (on-chip) |
| ICSP Programming Pin Pairs | Multiple PGECx/PGEDx pairs |
| Type de montage | Surface Mount |
| Product Family | dsPIC33EP128MC (16-bit DSC for precision motor control) |
Guide de configuration des broches du DSPIC33EP128MC204-E/PT 44-tqfp (10x10 mm)
Configuration des broches du DSPIC33EP128MC204-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 DSPIC33EP128MC204-E/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33EP128MC204-E/PT convient pour 6 applications: Brushless DC (BLDC) Motor Drives, Field-Oriented Control (FOC) PMSM Drives, Digital UPS and Inverter Control, Power Factor Correction (PFC) Controllers, Industrial Automation and Sensor Nodes, Automotive Auxiliary and Off-Highway Control Units.
Brushless DC (BLDC) Motor Drives
The DSPIC33EP128MC204-E/PT is purpose-built for BLDC control: its MCPWM peripheral generates complementary PWM with hardware dead-time, while on-chip comparators handle sensorless zero-crossing detection and the op amps condition shunt-resistor current feedback without external amplifiers. At 60 MIPS, the DSP core executes the commutation math and PI current loops inside 10-20 kHz PWM interrupt periods with margin. Typical designs connect six PWM outputs to a three-phase gate-driver stage, with the -40C to +125C extended grade tolerating heat near power stages.
Recommandé
Field-Oriented Control (FOC) PMSM Drives
Sensorless or encoder-based FOC for permanent-magnet synchronous motors demands fast control-loop math: Clarke and Park transforms plus dual PI loops per interrupt. The dsPIC33E DSP engine's single-cycle MAC and 40-bit accumulators complete this chain comfortably within a 10 kHz PWM deadline at 60 MIPS. The on-chip op amps buffer low-side shunt currents into the ADC, and quadrature encoder inputs (QEA/QEB) accept position feedback, while MCPWM dead-time insertion protects the power stage.
Recommandé
Digital UPS and Inverter Control
Inverter and UPS control requires simultaneous sinusoidal PWM generation, DC-bus regulation, and fast fault shutdown. The MCPWM module of the DSPIC33EP128MC204-E/PT provides the complementary outputs, dead-time and fault inputs, while the DSP core computes the voltage/frequency control law. The 128 KB flash holds both control firmware and protection logic, and the extended -125C rating suits thermally cramped power-conversion enclosures where ambient near the controller can exceed industrial limits.
Recommandé
Power Factor Correction (PFC) Controllers
Digital PFC stages benefit from the DSPIC33EP128MC204-E/PT's fast ADC-driven control loop and dedicated PWM fault protection. The controller averages input current against a rectified sinusoidal template generated in firmware, updating the duty cycle each switching cycle at 60 MIPS. On-chip comparators provide cycle-by-cycle overcurrent trip without software latency, and the 16 KB RAM holds filter histories for power-quality reporting. The 44-pin TQFP leaves enough general-purpose I/O for sequencing, relay control and housekeeping communication.
Recommandé
Industrial Automation and Sensor Nodes
Beyond motor control, the DSPIC33EP128MC204-E/PT serves as a high-performance industrial sensor and actuation node. Its remappable peripheral pins allow UART, SPI and I2C routing to fit existing board layouts, and the DSP core runs FFT-based vibration or current-signature analysis locally, reducing upstream bandwidth. The extended -40C to +125C rating covers control cabinets near drives or heaters, while 128 KB flash supports protocol stacks plus OTA-style field update code in the same memory budget.
Recommandé
Automotive Auxiliary and Off-Highway Control Units
The -E extended temperature grade (-40C to +125C) makes this DSC appropriate for automotive auxiliary actuators and off-highway equipment control units, such as electric water pumps, HVAC blowers and throttle modules. The MCPWM module drives the motor stage with hardware dead-time and fault shutdown, comparators supervise current limits, and the 60 MIPS core runs diagnostics and LIN/CAN-style communication routines concurrently. Note: confirm application-specific qualification (e.g. AEC-Q100) separately before automotive production use.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP128MC204-E/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP128MC204-I/PT | DSPIC33EP256MC204-E/PT | DSPIC33EP64MC204-E/PT |
|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 128 KB | 128 KB | 256 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Motor Control Peripherals (MCPWM, Op Amps, Comparators) | Yes | Yes | Yes | Yes |
| Relative Cost Indication | Baseline | Lower (less temperature screening) | Higher (2x flash) | Lower (half flash) |
Principaux différenciateurs
- Extended temperature tolerance for hot environments (vs DSPIC33EP128MC204-I/PT)
- Balanced flash economy vs DSPIC33EP256MC204 (vs DSPIC33EP256MC204-E/PT)
- Full motor-control feature parity at lower cost vs larger flash (vs DSPIC33EP64MC204-E/PT)
Notes de conception
Connect all VDD and VSS pin pairs on the 44-TQFP even if current draw is modest - the dsPIC33E core is supplied through an internal regulator whose output is brought out on the VCAP pin. Fit the recommended VCAP capacitor (low-ESR ceramic, per the family datasheet DS70000657) directly beside the pin, and decouple each VDD pin with a 0.1 uF ceramic close to the package. Bring a matched PGECx/PGEDx pair to a 5-pin programming header; mixing ICSPCLK and ICSPDAT from different pairs will block programming.
Keep MCPWM output traces physically separated from the op-amp and comparator input traces used for current sensing. PWM edges couple capacitively into high-impedance analog nodes and corrupt ADC readings used by the control loop. Use a dedicated analog ground island referenced at a single point to the digital ground, and place series termination (22-33 ohm) on long PWM traces running to gate drivers to damp ringing.
Two frequent errors when migrating within the dsPIC33EP family: first, assuming pin function identity between GP and MC variants - peripheral remapping differs, so re-verify the PPS (peripheral pin select) configuration against the DS70000657 datasheet tables. Second, ignoring the VCAP pin on boards ported from older dsPIC33F designs that used external core regulators - the EP core regulator capacitor is mandatory; leaving it unpopulated prevents code execution.
Informations de conformité
Compliance data was not present in the provided web data; verify RoHS/REACH status on the Microchip product page or distributor compliance sheets before procurement.