DSPIC33EP128MC204-E/PT - 16-bit 60 MIPS DSC 128KB | Microchip
N.º de pieza: DSPIC33EP128MC204-E/PT ✓ Activo| Cant. | Precio unitario | 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 Descripción general
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.
Alternativas directas para DSPIC33EP128MC204-E/PT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con DSPIC33EP128MC204-E/PT (mismo factor de forma y huella) — difiere en Package, Maximum CPU Speed, Program Memory (Flash), Core Architecture, RAM.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33EP128MC204-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$3.67 / unidad
Ver hoja de datos →DSPIC33EP256MC204-E/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33EP64MC204-E/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.97 / unidad
Ver hoja de datos →DSPIC33EP128MC204-E/PT Valores máximos y características eléctricas
| 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 |
| Encapsulado | 44-TQFP (10x10 mm) |
| Rango de temperatura de funcionamiento | -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 |
| Tipo de montaje | Surface Mount |
| Product Family | dsPIC33EP128MC (16-bit DSC for precision motor control) |
Guía de configuración de pines de DSPIC33EP128MC204-E/PT 44-tqfp (10x10 mm)
Configuración de pines para DSPIC33EP128MC204-E/PT (encapsulado 44-tqfp (10x10 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para DSPIC33EP128MC204-E/PT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33EP128MC204-E/PT es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33EP128MC204-E/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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) |
Diferenciadores clave
- Extended temperature tolerance for hot environments (frente a DSPIC33EP128MC204-I/PT)
- Balanced flash economy vs DSPIC33EP256MC204 (frente a DSPIC33EP256MC204-E/PT)
- Full motor-control feature parity at lower cost vs larger flash (frente a DSPIC33EP64MC204-E/PT)
Notas de diseño
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.
Información de cumplimiento
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.