DSPIC33CK256MP306-E/PT - 16-bit DSC 100MHz 256KB | Microchip
N.º da peça: DSPIC33CK256MP306-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.75 | $275,00 |
| 500 | $2.32 | $1.160,00 |
| 1.000 | $1.99 | $1.990,00 |
DSPIC33CK256MP306-E/PT Visão geral
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, and the dsPIC33CK family is Microchip's single-core 100 MIPS generation optimized for closed-loop control of power conversion and motor drive systems, superseding the dsPIC33EP family.
Key features include 100 MIPS instruction throughput from a 3.3V supply, dual-panel flash supporting live firmware updates, integrated operational amplifiers, multiple 12-bit ADCs capable of high-resolution sampling synchronized to the PWM, and high-resolution PWM peripherals for power conversion. Eight DMA channels offload data movement from the CPU, and multiple external interrupt sources support fast fault handling.
The dsPIC33C core uses a modified Harvard architecture with DSP instructions (MAC, DSP multiply-accumulate) executing in a single cycle, deterministic interrupt latency, and cycle-accurate PWM timing. The auxiliary PWM module supports phase-shifted and resonant topologies with nanosecond-class resolution. Note that this MPN variant has no CAN controller, so designs requiring CAN must use an MP50x-family member instead.
Typical applications include digital power supplies (LLC, totem-pole PFC), PMSM/BLDC/ACIM motor drives, solar inverters, UPS systems, and battery charging infrastructure where precise, high-frequency control loops are mandatory.
Design tip: exploit the dual-panel flash to implement field firmware upgrades without external memory, and budget ADC sampling slots against the PWM period to keep control-loop jitter deterministic.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSPIC33CK256MP306-E/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC33CK256MP306-E/PT (mesmo formato e footprint) — diferindo em Package, Core, Operating Temperature, Mounting Type, PWM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33CK256MP306-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.7 / unidade
Ver ficha técnica →DSPIC33CK256MP306-H/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33CK256MP305-E/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33CK256MP205-E/PT
✅ Drop-In✓ Em estoque
$3.92 / unidade
Ver ficha técnica →DSPIC33CK256MP306-E/PT Classificações máximas e características elétricas
| Core | dsPIC33C single core, 16-bit |
| Maximum Operating Frequency | 100 MHz (100 MIPS) |
| Flash Program Memory | 256 KB (dual panel) |
| SRAM | 64 KB |
| Tensão de alimentação | 3.0 V to 3.6 V (3.3 V nominal) |
| Temperatura de operação | -40C to +125C (E temperature) |
| Encapsulamento | TQFP-64 (10x10 mm), 0.5 mm pitch |
| ADC | 12-bit ADCs, multiple SAR cores |
| Operational Amplifiers | Integrated op-amps (per Mouser listing) |
| PWM | High-resolution PWM peripherals |
| DMA Channels | 8 |
| CAN | No CAN (per Mouser listing) |
| Tipo de montagem | Surface Mount |
| Functional Safety Support | FuSa-capable (per DigiKey listing) |
| Status RoHS | Compliant |
Configuração de pinos do DSPIC33CK256MP306-E/PT
| Pino 1 | MCLR — Master clear reset / ICSP programming voltage input |
| Pino 2 | AN0 — Analog input 0 |
| Pino 3 | AN1 — Analog input 1 |
| Pino 4 | AN2 — Analog input 2 |
| Pino 5 | AN3 — Analog input 3 |
| Pino 6 | AN4 — Analog input 4 |
| Pino 7 | VDD — Positive supply |
| Pino 8 | VSS — Ground reference |
| Pino 9 | AN5 — Analog input 5 |
| Pino 10 | AN6 — Analog input 6 |
| Pino 11 | AN7 — Analog input 7 |
| Pino 12 | PGEC1 — ICSP clock input pair 1 |
| Pino 13 | PGED1 — ICSP data I/O pair 1 |
| Pino 14 | AN8 — Analog input 8 |
| Pino 15 | AN9 — Analog input 9 |
| Pino 16 | PGEC2 — ICSP clock input pair 2 |
| Pino 17 | PGED2 — ICSP data I/O pair 2 |
| Pino 18 | AN10 — Analog input 10 |
| Pino 19 | AN11 — Analog input 11 |
| Pino 20 | VSS — Ground reference |
| Pino 21 | AVSS — Analog ground |
| Pino 22 | AVDD — Analog supply |
| Pino 23 | VDD — Positive supply |
| Pino 24 | OSC1 — Crystal oscillator input |
| Pino 25 | OSC2 — Crystal oscillator output |
| Pino 26 | PGEC3 — ICSP clock input pair 3 |
| Pino 27 | PGED3 — ICSP data I/O pair 3 |
| Pino 28 | VSS — Ground reference |
| Pino 29 | AN12 — Analog input 12 |
| Pino 30 | AN13 — Analog input 13 |
| Pino 31 | AN14 — Analog input 14 |
| Pino 32 | AN15 — Analog input 15 |
| Pino 33 | VDD — Positive supply |
| Pino 34 | VSS — Ground reference |
| Pino 35 | PWM1H — PWM output 1 high side |
| Pino 36 | PWM1L — PWM output 1 low side |
| Pino 37 | PWM2H — PWM output 2 high side |
| Pino 38 | PWM2L — PWM output 2 low side |
| Pino 39 | PWM3H — PWM output 3 high side |
| Pino 40 | PWM3L — PWM output 3 low side |
| Pino 41 | VDD — Positive supply |
| Pino 42 | VSS — Ground reference |
| Pino 43 | PWM4H — PWM output 4 high side |
| Pino 44 | PWM4L — PWM output 4 low side |
| Pino 45 | PWM5H — PWM output 5 high side |
| Pino 46 | PWM5L — PWM output 5 low side |
| Pino 47 | PWM6H — PWM output 6 high side |
| Pino 48 | PWM6L — PWM output 6 low side |
| Pino 49 | VDD — Positive supply |
| Pino 50 | VSS — Ground reference |
| Pino 51 | SOSCI — Secondary oscillator input |
| Pino 52 | SOSCO — Secondary oscillator output |
| Pino 53 | VCAP — Internal regulator capacitor connection |
| Pino 54 | AN16 — Analog input 16 |
| Pino 55 | AN17 — Analog input 17 |
| Pino 56 | AN18 — Analog input 18 |
| Pino 57 | AN19 — Analog input 19 |
| Pino 58 | AN20 — Analog input 20 |
| Pino 59 | VSS — Ground reference |
| Pino 60 | VDD — Positive supply |
| Pino 61 | AN21 — Analog input 21 |
| Pino 62 | AN22 — Analog input 22 |
| Pino 63 | VREF+ — ADC positive voltage reference input |
| Pino 64 | VREF- — ADC negative voltage reference input |
Aplicações típicas
DSPIC33CK256MP306-E/PT é adequado para 6 aplicaçãos: Digital Power Supplies (LLC, Totem-Pole PFC), PMSM / BLDC Motor Drives, Solar Inverters and MPPT Converters, UPS and Energy Storage Systems, Battery Charging Infrastructure (EVSE / DC Fast Charge), Industrial Automation and Motion Control Nodes.
Digital Power Supplies (LLC, Totem-Pole PFC)
The DSPIC33CK256MP306-E/PT fits digital power conversion because its 100 MHz (100 MIPS) core closes current and voltage loops at switching frequencies typical of LLC and totem-pole PFC stages, while the high-resolution PWM delivers fine duty-cycle and phase-shift granularity for soft-switching control. The dual-panel 256 KB flash lets the controller run the live control loop from one panel while a bootloader rewrites the other, supporting field firmware updates on deployed power supplies. Integrated op-amps amplify shunt or hall current-sense signals directly into the 12-bit ADCs, which can be triggered synchronously from the PWM to sample at low-noise mid-vector instants. Place the DSC between the gate-driver interface and the feedback network with short, dedicated analog routing; the trade-off versus a pure analog controller is firmware complexity, repaid by adaptability and telemetry.
Recomendado
PMSM / BLDC Motor Drives
The DSPIC33CK256MP306-E/PT is explicitly targeted by Microchip at high-performance precision motor control. Field-oriented control (FOC) of PMSM and BLDC motors demands a fast deterministic loop: the 100 MIPS core with single-cycle DSP MAC instructions executes current-loop mathematics at tens of kHz, while 12-bit ADCs sample phase currents synchronized to center-aligned PWM to minimize switching ripple in the measurement. The integrated op-amps condition low-side shunt signals without external amplifiers, cutting BOM cost per axis. Eight DMA channels stream ADC results and PWM updates without CPU intervention, preserving loop determinism. The extended -40C to +125C rating suits drives integrated into motor housings or industrial cabinets. Design consideration: budget ADC sampling slots against the PWM period and use the peripheral-trigger matrix so the entire measure-compute-update cycle completes within one PWM cycle.
Recomendado
Solar Inverters and MPPT Converters
Grid-tied solar microinverters and string-optimizer MPPT stages benefit from the DSPIC33CK256MP306-E/PT's combination of 100 MHz control bandwidth and high-resolution PWM, which supports phase-shifted full-bridge and interleaved boost topologies at hundreds of kHz. The dual-panel 256 KB flash enables OTA firmware updates in fielded installations - a growing requirement for inverter fleets. Multiple 12-bit ADC channels measure PV voltage/current and grid-side feedback simultaneously, and the integrated op-amps condition sensors without external stages. The -40C to +125C extended rating matches rooftop and outdoor enclosure environments. Trade-off: this MPN has no CAN controller, so inverter-to-gateway communication must use UART, SPI, or an external CAN transceiver+controller, or select the MP50x family instead.
Recomendado
UPS and Energy Storage Systems
Online double-conversion UPS and battery energy-storage power stages use the DSPIC33CK256MP306-E/PT to run bidirectional converter control: its 100 MHz core handles the inverter output loop, the battery-charge loop, and the transfer logic with deterministic interrupt latency. The 64 KB RAM supports the state machines, logging buffers, and communication stacks that storage systems require, while eight DMA channels keep serial telemetry and ADC streaming off the control loop. The dual-panel flash allows firmware field updates without opening service contracts, and the -40C to +125C grade tolerates battery-cabinet thermal extremes. Integrated op-amps simplify bus-current sensing with shunts. Design note: use the PWM fault inputs for hardware fast-overcurrent shutdown rather than software paths to guarantee microsecond-class protection response independent of firmware state.
Recomendado
Battery Charging Infrastructure (EVSE / DC Fast Charge)
Charger power stages - PFC front ends plus DC/DC LLC modules - map well onto the DSPIC33CK256MP306-E/PT: one DSC can run both loops with the high-resolution PWM providing phase management between stages. The 12-bit ADCs monitor battery voltage, current, and temperature per charge profile standards, and the 256 KB flash stores charging curves and logging. The extended temperature rating suits outdoor charging cabinets. Because this MPN lacks a CAN controller, and EVSE-to-vehicle communication (e.g., in North American and European standards) commonly uses CAN, designers should either add an external CAN solution or select the DSPIC33CK128MP506 (CAN-FD) for the vehicle-side interface while retaining the MP306 for power-stage control. This functional split is a common architecture in commercial charging platforms.
Recomendado
Industrial Automation and Motion Control Nodes
Factory automation nodes - servo drives, robotic joint controllers, and precision actuator drivers - use the DSPIC33CK256MP306-E/PT's 100 MIPS DSP core for multi-axis or high-bandwidth single-axis servo loops. The dsPIC33C peripheral-trigger architecture lets ADC sampling, op-amp gain, PWM generation, and DMA transfer run as a deterministic chain independent of software latency, which directly reduces torque ripple in FOC servos. Sixty-four pins provide sufficient GPIO, QEI/encoder inputs, and serial interfaces (UART, SPI, I2C) for machine-network integration via external transceivers. The -40C to +125C rating covers cabinet and drive-integrated environments. Microchip also positions the dsPIC33CK family for functional-safety (FuSa) development, useful where safety-rated stop functions are documented at the system level.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33CK256MP306-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33CK256MP306-I/PT | DSPIC33CK256MP306-H/PT | DSPIC33CK256MP305-E/PT | DSPIC33CK256MP205-E/PT |
|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-48 (10x10 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz class (verify grade datasheet) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Flash Memory | 256 KB (dual panel) | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Integrated Op-Amps | Yes | Yes | Yes | No | Yes |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | Automotive/high-grade (per Microchip USA) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Pin Count / I/O | 64 pins | 64 pins | 64 pins | 64 pins | 48 pins |
Principais diferenciais
- Integrated operational amplifiers reduce BOM in current sensing (vs DSPIC33CK256MP305-E/PT)
- Extended temperature rating for harsh environments (vs DSPIC33CK256MP306-I/PT)
- Cost-optimized lower-pin sibling for dense boards (vs DSPIC33CK256MP205-E/PT)
Notas de projeto
Estimated: at 3.3V nominal operation, supply the DSPIC33CK256MP306-E/PT from a clean 3.0-3.6V rail and place 0.1uF ceramic decoupling at every VDD pin pair plus at least one 10uF bulk capacitor. Filter AVDD through an RC or ferrite bead from the digital rail to preserve 12-bit ADC accuracy; a typical filter is a 10-ohm resistor with 1uF ceramic at AVDD. Confirm actual core current draw and VCAP capacitor value from the Microchip dsPIC33CK family datasheet, not from this estimate.
Keep PWM outputs on short traces to gate drivers and avoid routing them adjacent to op-amp/ADC analog traces on the same layer; high dV/dt PWM edges capacitively couple into shunt-sense lines and corrupt 12-bit ADC readings. Use the peripheral-trigger path (PWM -> ADC -> DMA) so that ADC sampling occurs at PWM-synchronized instants, which both reduces ripple pickup and gives deterministic loop timing. Ground stitching vias between analog and digital grounds at the ADC front-end help contain return currents.
This MPN has no CAN controller (per Mouser listing) - selecting it for a CAN-based system is a late-stage discovery that forces a PCB respin or an external CAN controller. Second, the device has multiple PGECx/PGEDx ICSP pairs; per Microchip programming documentation, clock and data must be taken from the same matched pair (e.g., PGEC2 with PGED2) or programming will fail. Third, plan dual-panel flash layout in the linker script from day one - retrofitting a bootloader into a full single-panel image is non-trivial.
Informações de conformidade
RoHS compliant per standard Microchip production status on distributor listings. The -H/PT variant is AEC-Q100 qualified per Microchip USA listing; this -E/PT part is not stated as AEC-Q100 qualified. Obtain formal REACH/halogen-free declarations from Microchip's compliance portal.
