DSPIC33CK512MP305T-I/M7 - 16-bit 100MIPS DSC, 512KB | Microchip
N.º de pieza: DSPIC33CK512MP305T-I/M7 ✓ Activo| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
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DSPIC33CK512MP305T-I/M7 Descripción general
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits between general-purpose MCUs and dedicated digital power controllers, offering deterministic single-cycle MAC/DSP instructions, fast interrupt handling, and tightly coupled analog peripherals for closed-loop control at switching frequencies well above 100 kHz.
Key features include the 100 MHz dsPIC33C core with DSP engine, 512KB dual-panel Flash supporting live firmware updates, 64KB of on-chip RAM for control buffers and communication stacks, up to three on-chip operational amplifiers, 12-bit ADCs capable of simultaneous multi-channel sampling, and advanced high-resolution PWM peripherals purpose-built for digital power and motor control topologies. Eight DMA channels offload data movement from the CPU, preserving headroom for the control loop.
The architecture pairs a 16-bit modified Harvard core with an independent DSP multiply-accumulate unit and barrel shifter, while the dual-panel Flash allows code execution from one panel during erase/program of the other. Low-power modes, brown-out reset, watchdog timer, and a flexible clock system (internal FRC with PLL) round out the integration level typically needed for certified industrial designs.
Typical applications include sensorless field-oriented-control (FOC) motor drives for HVAC blowers and industrial pumps, digitally controlled PFC and LLC power supplies in server and telecom rectifiers, and high-current battery charging systems where precise PWM resolution and fast ADC sampling directly improve efficiency and transient response.
For design, note the supply must be a regulated 3.0-3.6 V rail; decouple AVDD with a low-ESR ceramic capacitor placed close to the pin to protect the on-chip op-amp and ADC accuracy, and route analog grounds per the datasheet layout guidance.
This page synthesizes distributor availability, drop-in alternatives, design notes, and FAQ content not found in the manufacturer datasheet, verified as of 2026-09-23.
Alternativas directas para DSPIC33CK512MP305T-I/M7 — 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 DSPIC33CK512MP305T-I/M7 (mismo factor de forma y huella) — difiere en Operating Temperature, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33CK512MP305T-E/M7
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK512MP305-I/M7
✅ Sustitución directa✓ En stock
$1.3 / unidad
Ver hoja de datos →DSPIC33CK512MP305T-I/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK256MP305T-I/M7
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK128MP305T-I/M7
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK512MP305T-I/M7 Valores máximos y características eléctricas
| Core | dsPIC33CK 16-bit DSC core |
| Maximum CPU Speed | 100 MHz (100 MIPS) |
| Flash Program Memory | 512 KB (dual panel) |
| RAM | 64 KB |
| Tensión de alimentación | 3.0 V to 3.6 V |
| DMA Channels | 8 |
| ADC Resolution | 12-bit |
| Integrated Op-Amps | Yes |
| PWM Peripherals | High-resolution PWM |
| Encapsulado | 48-VQFN (6x6 mm), M7 |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (I grade) |
| Packaging | Tape & Reel (T suffix) |
| Estado RoHS | Compliant |
| Product Family | dsPIC33C Digital Signal Controllers |
Guía de configuración de pines de DSPIC33CK512MP305T-I/M7 48-vqfn (6x6 mm), m7
Configuración de pines para DSPIC33CK512MP305T-I/M7 (encapsulado 48-vqfn (6x6 mm), m7). 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 DSPIC33CK512MP305T-I/M7.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33CK512MP305T-I/M7 es adecuado para 6 aplicacións: Sensorless FOC Motor Control, Digital Power Conversion (PFC / LLC), Battery Charging Systems, Industrial Automation and PLC I/O, HVAC Blowers and Appliance Drives, Renewable Energy Microinverters.
Sensorless FOC Motor Control
The DSPIC33CK512MP305T-I/M7 fits sensorless field-oriented control of BLDC and PMSM motors because its 100 MHz (100 MIPS) dsPIC33C core executes the FOC current loop with single-cycle MAC instructions, while the integrated operational amplifiers amplify shunt-resistor phase currents directly into the 12-bit ADCs. In a typical drive, the on-chip high-resolution PWM generates the three-phase inverter gate signals at 20-100 kHz, and the eight DMA channels move ADC results to RAM without CPU intervention, keeping loop latency low and deterministic. The performance consideration is that high PWM resolution lets designers raise the switching frequency to shrink magnetics, trading efficiency against inverter losses; the 512KB Flash holds position-observer and startup algorithms alongside a communication stack (UART/CAN) in a single 48-VQFN 6x6 mm device.
Recomendado
Digital Power Conversion (PFC / LLC)
In digitally controlled switch-mode power supplies, the DSPIC33CK512MP305T-I/M7 acts as the controller for boost-PFC and LLC resonant stages in server, telecom, and industrial rectifiers. The 12-bit ADCs sample input voltage, output voltage, and inductor current with tight timing alignment to the high-resolution PWM, which provides the fine duty-cycle and phase-shift resolution needed for soft-switching topologies. The dual-panel 512KB Flash supports in-field firmware updates of control coefficients without interrupting power delivery. A key trade-off: running the control loop near the ADC's maximum throughput improves transient response but increases CPU loading, so the eight DMA channels and 64KB RAM should be budgeted for double-buffered control data. The 3.0-3.6 V supply integrates cleanly with a low-power auxiliary bias rail in these systems.
Recomendado
Battery Charging Systems
Battery chargers for industrial tools, e-mobility, and energy storage require precise constant-current/constant-voltage control with fast fault response - a fit for the DSPIC33CK512MP305T-I/M7's combination of 12-bit ADCs, integrated op-amps, and high-resolution PWM. The op-amps condition current-shunt signals, the ADC tracks battery voltage and current each switching cycle, and the PWM drives the buck/boost power stage at the frequency the thermal design dictates. The watchdog timer, brown-out reset, and 64KB RAM support charge-state machines, safety logging, and communication protocols simultaneously. Performance consideration: the 100 MIPS core closes the CC/CV loop fast enough to protect cells during load steps, while the -40C to +85C industrial grade covers charging stations in unconditioned outdoor or factory environments.
Recomendado
Industrial Automation and PLC I/O
Within factory automation, the DSPIC33CK512MP305T-I/M7 serves as an intelligent I/O node or motion-subsytem controller. The 512KB dual-panel Flash hosts protocol stacks and application logic while permitting firmware updates over the network, and the 64KB RAM buffers process data. The DSP engine accelerates digital filtering (IIR/FIR) on analog sensor channels acquired by the 12-bit ADCs, enabling local vibration or current-signature monitoring before data reaches a PLC. Industrial-grade -40C to +85C operation matches control-cabinet ambient conditions. The practical consideration is peripheral budget: designers should map the on-chip PWM, ADC, and communication peripherals to the required I/O mix early, since the 48-pin VQFN limits pin count compared with the 64- and 80-pin dsPIC33CK siblings.
Recomendado
HVAC Blowers and Appliance Drives
High-efficiency HVAC blowers, compressors, and premium appliances use the DSPIC33CK512MP305T-I/M7 to implement sensorless PMSM drives that meet efficiency regulations. The 100 MHz core runs flux-observer-based FOC at high electrical speeds typical of compressor motors, while integrated op-amps and 12-bit ADCs deliver the phase-current feedback quality needed for smooth low-speed startup without Hall sensors. High-resolution PWM reduces acoustic noise by enabling dithering and higher carrier frequencies beyond human hearing. The industrial temperature range and small 6x6 mm VQFN fit sealed appliance motor-control PCBs. Design consideration: appliance environments impose surge and EMI stress, so the datasheet layout guidance for AVDD decoupling and a solid ground plane should be followed to protect ADC accuracy over the product's lifetime.
Recomendado
Renewable Energy Microinverters
Solar microinverter and DC optimizer designs benefit from the DSPIC33CK512MP305T-I/M7's ability to run MPPT algorithms, grid-synchronization (PLL), and a multi-phase power stage control loop on one 100 MHz core. The 12-bit ADCs sample panel voltage/current and grid waveforms synchronized to the PWM carrier, while the DSP instructions accelerate the multiply-heavy MPPT and PLL calculations. 512KB Flash accommodates grid-code tables and safety firmware for multiple regions, and the dual-panel memory allows certified firmware updates in the field. Performance consideration: grid-connected operation demands deterministic loop timing, so interrupt latency should be characterized and DMA-based ADC buffering used; the -40C to +85C grade covers rooftop enclosure temperatures in most climates.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33CK512MP305T-I/M7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33CK512MP305T-E/M7 | DSPIC33CK512MP305-I/M7 | DSPIC33CK512MP305T-I/PT | DSPIC33CK256MP305T-I/M7 | DSPIC33CK128MP305T-I/M7 |
|---|---|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm, M7) | 48-VQFN (6x6 mm, M7) - same | 48-VQFN (6x6 mm, M7) - same | 48-TQFP (7x7 mm) - different footprint | 48-VQFN (6x6 mm, M7) - same | 48-VQFN (6x6 mm, M7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 512 KB (dual panel) | 512 KB | 512 KB | 512 KB | 256 KB | 128 KB |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| On-chip Op-Amps / 12-bit ADC / PWM | Yes / Yes / Yes (high-resolution) | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| Packaging Format | Tape & Reel | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tape & Reel |
Diferenciadores clave
- Industrial temperature grade with identical silicon (frente a DSPIC33CK512MP305T-E/M7)
- Full 512KB dual-panel Flash in 48-pin package (frente a DSPIC33CK256MP305T-I/M7)
- VQFN exposed-pad thermal advantage (frente a DSPIC33CK512MP305T-I/PT)
Notas de diseño
Supply the DSPIC33CK512MP305T-I/M7 from a regulated 3.0-3.6 V rail (3.3 V nominal). Decouple every VDD pin with 100 nF low-ESR ceramic capacitors placed within 2-3 mm of the pins, plus 4.7-10 uF of bulk capacitance. Because the on-chip operational amplifiers and 12-bit ADC share AVDD with the digital core, switching-regulator ripple on this rail degrades conversion accuracy; consider an LC filter or small LDO for AVDD in high-accuracy current-sensing designs.
The 48-VQFN (M7) package has an exposed thermal/ground pad that must be soldered to a grounded copper pour with an array of thermal vias. This pad is the primary ground return and heat path; omitting the via array raises junction temperature and ground bounce during simultaneous PWM switching. Separate analog ground for the op-amp/ADC region from the power-switching ground, joining them at a single star point per the datasheet layout guidance.
When substituting the DSPIC33CK512MP305T-I/M7 with the TQFP variant (T-I/PT), remember the land pattern and thermal pad change - the TQFP has no exposed pad, so thermal and grounding performance differ. Also, when migrating from 512KB to 256KB or 128KB Flash family members for cost-down, verify code size including bootloader and protocol stacks before committing the footprint, since dual-panel firmware-update schemes roughly halve the usable application panel.
Keep the high-resolution PWM outputs away from the ADC input traces and shunt-amplifier routing on the PCB. The on-chip op-amps shorten the analog feedback path, but external routing between shunt resistor and the current-sense inputs still carries microvolt-level signals; use short, Kelvin-connected traces. Configure the ADC scan triggers off the PWM peripheral (not free-running) so current samples align with PWM center for clean, ripple-free control-loop feedback.
Información de cumplimiento
Newark listing states RoHS Compliant: Yes for the 48-VQFN 6x6x0.9 mm package. REACH, halogen-free, and conflict-minerals status should be confirmed via Microchip's official product compliance documentation.
