DSPIC33FJ128MC506A-I/PT - 16-bit DSC 40MIPS 128KB | Microchip
N.º de pieza: DSPIC33FJ128MC506A-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.86 | $4,86 |
| 10 | $4.41 | $44,10 |
| 100 | $3.95 | $395,00 |
| 500 | $3.58 | $1.790,00 |
| 1.000 | $3.2 | $3.200,00 |
DSPIC33FJ128MC506A-I/PT Descripción general
A digital signal controller is a hybrid class of semiconductor that merges the control-flow convenience of a microcontroller (MCU) with the mathematical throughput of a digital signal processor (DSP). Within Microchip's portfolio, the dsPIC33F family sits in the 16-bit microcontroller hierarchy alongside PIC24, adding DSP instructions, a high-performance PWM module, and fast ADCs targeted at real-time control loops.
Key features of this device include 40 MIPS execution (up to 40 MHz operation), 128 KB (64K x 16) of self-programmable Flash, 8-channel DMA, 11 timers, four UART/speech-grade serial I/O ports, and five external interrupt sources. Motor-control PWM outputs and advanced analog peripherals make it the classic choice for digital power conversion and motion systems.
Architecturally, the dsPIC33FJ128MC506A uses a modified Harvard, 16-bit CMOS core with a 2-stage pipeline, 40-bit wide accumulator DSP engine (17-bit multipliers, dual 40-bit accumulators), and hardware support for division and multiply-accumulate operations. X and Y data bashes allow simultaneous dual-operand fetches for MAC instructions, and the 8 DMA channels move ADC and UART data without CPU intervention.
Typical applications include brushless DC (BLDC) motor drives, single- and 3-phase induction motor control, switched reluctance motors, digital power supplies (PFC, LLC), uninterruptible power supplies, and industrial sensing nodes. The A-suffix revision integrates errata fixes over the original dsPIC33FJ128MC506.
Design consideration: the core requires a regulated 3.3V rail (3.0V-3.6V range); use a dedicated LDO and place 0.1uF decoupling at every VDD/VDDCORE pair, and always program configuration bits (FOSC, FWDT) for the intended oscillator source at flash time.
This page synthesizes distributor pricing, drop-in same-package alternatives from the XAIPART catalog, and practical design guidance beyond the raw manufacturer datasheet listing.
Alternativas directas para DSPIC33FJ128MC506A-I/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 DSPIC33FJ128MC506A-I/PT (mismo factor de forma y huella) — difiere en Package, Core Architecture, Operating Temperature, Core, Timers.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33FJ128GP310T-I/PT
✅ Sustitución directa✓ En stock
$5.46 / unidad
Ver hoja de datos →DSPIC33FJ128GP706A-E/PT
✅ Sustitución directa✓ En stock
$5.9 / unidad
Ver hoja de datos →DSPIC33FJ128GP206AT-I/PT
✅ Sustitución directa✓ En stock
$4.6 / unidad
Ver hoja de datos →DSPIC33EV256GM106T-I/PT
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →DSPIC33EV128GM106T-I/PT
✅ Sustitución directa✓ En stock
$3.86 / unidad
Ver hoja de datos →DSPIC33FJ128MC506A-I/PT Valores máximos y características eléctricas
| Core | dsPIC33F 16-bit |
| Operating Frequency | 40 MIPS / 40 MHz |
| Flash Program Memory | 128 KB |
| SRAM | 30 KB (8192 words x 16-bit RAM per distributor data) |
| Supply Voltage Range | 3.0 V to 3.6 V |
| DMA Channels | 8 |
| Timers | 11 |
| Serial I/O Ports | 4 |
| External Interrupt Sources | 5 |
| Temperatura de funcionamiento | -40C to +85C |
| Encapsulado | TQFP-64 (10x10 mm, 0.5 mm pitch) |
| Tipo de montaje | Surface Mount |
| Technology | CMOS |
| Programmability | In-circuit serial programming (ICSP) |
| Estado RoHS | Compliant |
| Temperature Grade | I (Industrial) |
| Typical Applications | Motor control, digital power |
Guía de configuración de pines de DSPIC33FJ128MC506A-I/PT tqfp-64 (10x10 mm, 0.5 mm pitch)
Configuración de pines para DSPIC33FJ128MC506A-I/PT (encapsulado tqfp-64 (10x10 mm, 0.5 mm pitch)). 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 DSPIC33FJ128MC506A-I/PT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33FJ128MC506A-I/PT es adecuado para 6 aplicacións: BLDC Motor Control, Single and 3-Phase Induction Motor Drives, Digital Power Conversion (PFC, LLC, UPS), Switched Reluctance Motor Drives, Uninterruptible Power Supplies (UPS), Industrial Sensing and Control Nodes.
BLDC Motor Control
The DSPIC33FJ128MC506A-I/PT is explicitly designed by Microchip for brushless DC motor control, and its 40 MIPS DSP core executes field-oriented control or trapezoidal commutation math within one PWM period. On-chip motor-control PWM outputs drive a three-phase inverter while the fast ADC samples phase currents synchronized to PWM edges via the 8-channel DMA, eliminating CPU jitter. Typical implementations run a 20 kHz current loop and a 1 kHz speed loop on the same die. Its industrial -40C to +85C rating and 3.3V I/O make it a proven fit for appliance, pump, fan, and industrial drive inverters where deterministic real-time control is mandatory.
Recomendado
Single and 3-Phase Induction Motor Drives
Microchip lists single- and 3-phase induction motor control as a primary target for the dsPIC33FJ128MC506A family. The 40 MIPS core computes V/Hz or sensorless vector-control algorithms while dedicated PWM modules generate the sine-modulated carrier for the inverter stage. On-chip ADC channels read DC-bus voltage and current sensors through the DMA channel set, keeping sampling phase-locked to the PWM carrier. The 128 KB Flash accommodates full sensorless estimation libraries with headroom for fieldbus stacks. Industrial temperature rating and a 3.0V-3.6V supply integrate cleanly into standard drive control boards powered by an isolated 3.3V bias rail.
Recomendado
Digital Power Conversion (PFC, LLC, UPS)
The DSPIC33FJ128MC506A-I/PT suits digital switch-mode power conversion including power-factor-correction stages, LLC resonant converters, and uninterruptible power supplies - a use case Microchip calls out for this family. The 40 MIPS pipeline and 40-bit DSP accumulators execute compensator math for multiple nested loops at switching frequencies of 100 kHz and above, while DMA-driven ADC sampling captures voltage and current feedback deterministically each switching cycle. The 8 DMA channels offload telemetry such as UART-based PMBus or Modbus reporting. Its 30 KB SRAM supports ride-through state machines and fault logging needed in UPS and server-power designs.
Recomendado
Switched Reluctance Motor Drives
Microchip explicitly lists switched reluctance (SR) motor control among the supported applications of the dsPIC33FJ128MC506A family. SR drives demand precise, per-phase current chopping with asymmetric excitation timing - tasks the device handles using its motor-control PWM channels with independent duty control and its fast ADC sampling rotor-position-derived inductance signatures. The 40 MIPS DSP core runs the commutation and torque-ripple-minimization algorithms in real time. Because SR machines tolerate harsh environments, the controller's -40C to +85C industrial rating and robust 3.3V CMOS I/O suit mining, automotive-auxiliary, and appliance applications where SR motors replace brushed or PM solutions for cost.
Recomendado
Uninterruptible Power Supplies (UPS)
Uninterruptible power supplies are a documented target application for the dsPIC33FJ128MC506A family. The device coordinates inverter PWM generation, battery-charger control, and transfer-switch logic on a single 16-bit DSC: the 40 MIPS core closes the output-voltage loop while the 8 DMA channels stream current, voltage, and temperature telemetry into its 30 KB SRAM. Four serial I/O ports support monitoring interfaces (RS-232/RS-485, Modbus) simultaneously with control firmware. The 128 KB Flash retains waveform, fault, and event logs across power events, and the industrial temperature grade covers telecom-outdoor and industrial UPS cabinets without additional component derating.
Recomendado
Industrial Sensing and Control Nodes
Beyond drives, the DSPIC33FJ128MC506A-I/PT serves as the main controller in industrial nodes combining analog acquisition and communication. Its 16-bit ADC front end plus 8 DMA channels continuously sample sensors while four serial ports (UART/SPI-class) link to displays, gateways, or PLC backplanes, and 5 external interrupt lines handle fast fault inputs. The 40 MIPS core leaves ample margin for protocol stacks alongside the control algorithm, and 128 KB Flash holds data logging across the -40C to +85C range. A 3.3V supply eases integration with standard industrial logic levels and isolated RS-485 transceivers.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33FJ128MC506A-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33FJ128GP310T-I/PT | DSPIC33FJ128GP706A-E/PT | DSPIC33FJ128GP206AT-I/PT | DSPIC33EV256GM106T-I/PT | DSPIC33EV128GM106T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33EV, up to 70 MIPS | dsPIC33EV, up to 70 MIPS |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| Peripheral Family Focus | MC (motor control) | GP (general purpose) | GP (general purpose) | GP (general purpose) | EV (motor control + CAN-FD class) | EV (motor control) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Diferenciadores clave
- Motor-control PWM and analog peripherals purpose-built for drives (frente a DSPIC33FJ128GP310T-I/PT)
- Errata-corrected A-revision silicon (frente a DSPIC33FJ128MC506 (non-A))
- 2x Flash upgrade without PCB change (frente a DSPIC33EV256GM106T-I/PT)
Notas de diseño
Power the DSPIC33FJ128MC506A-I/PT from a clean 3.3V rail within the 3.0V-3.6V datasheet window. dsPIC33F devices also require the internal regulator capacitor (VCAP/VDDCORE pin) to be fitted with the datasheet-specified low-ESR capacitor to ground - omitting it is the single most common cause of brown-out resets on this family. Do not exceed 3.6V; the I/O is not 5V tolerant. Budget roughly 40-60 mA of typical core current at full 40 MIPS load (estimated from family-typical values) when sizing the 3.3V LDO.
Use a 10x10 mm TQFP-64 land pattern with 0.5 mm pitch and place a 0.1uF ceramic capacitor at every VDD pin pair, plus bulk 4.7-10uF near the device. Route PWM outputs to the gate drivers as short, matched traces and keep ADC sense traces away from PWM switching nodes; use the analog supply pins and a local ground island for sensor inputs. The exposed center area under the TQFP can host a via-stitched ground flood to reduce loop area and improve EMI on motor-drive inverters.
The A revision (DSPIC33FJ128MC506A) supersedes the original DSPIC33FJ128MC506 and corrects documented silicon errata - always order the A suffix for new designs and check the Microchip errata sheet alongside the 374-page datasheet. Configuration bits (FOSC oscillator source, FWDT watchdog, FPBOR brown-out) are programmed at flash time and are not reset by firmware, so a wrong oscillator config leaves the chip apparently dead. Also enable brown-out reset when running motor-control loops from a shared 3.3V rail.
Información de cumplimiento
RoHS compliance indicated by distributor listings (JLCPCB, LCSC) for the -I/PT industrial TQFP-64 variant. No AEC-Q100 qualification claimed in the provided data.
