DSPIC33CK32MC105-I/M4 - 16-bit 100MHz DSC 32KB Flash | Microchip
N.º da peça: DSPIC33CK32MC105-I/M4 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.74 | $274,00 |
| 500 | $2.46 | $1.230,00 |
| 1.000 | $2.19 | $2.190,00 |
DSPIC33CK32MC105-I/M4 Visão geral
A digital signal controller combines the computational capability of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits under 16-bit MCUs in Microchip's portfolio and targets real-time closed-loop control such as motor Field-Oriented Control (FOC), digital power conversion, and advanced sensing, where deterministic interrupt latency and high-resolution PWM matter more than raw throughput.
Key features include the 100 MHz dsPIC33C core with DSP engine and barrel shifter, on-chip operational amplifiers, 12-bit high-speed ADCs, analog comparators, and high-resolution PWM peripherals purpose-built for power and motor control. The device operates from a 3.0 V to 3.6 V supply and is rated from -40C to +85C (industrial, I suffix) with performance up to 100 MIPS, and up to +125C operation at 100 MIPS / +150C at 70 MIPS per the family datasheet. Program Flash includes ECC and fault-injection test support, and the SRAM includes Memory Built-In Self-Test (MBIST) for functional-safety designs.
Architecturally, the modified Harvard core executes most instructions in a single cycle, with zero-overhead DO and REPEAT loops and hardware DSP multiply-accumulate support, enabling deterministic FOC loop rates in the tens of kHz. Four DMA channels offload the CPU for ADC and UART/SPI/I2C data movement.
Typical applications include brushless DC and PMSM motor control, digital SMPS and PFC stages, power-factor-corrected LED drivers, and sensor fusion nodes in industrial systems. The integrated op amps reduce external component count in current-sense front ends.
Design consideration: keep the 3.0-3.6 V rail decoupled with low-ESR ceramics close to the UQFN power pins, and plan grounding for the analog op-amp/ADC domain separately from the PWM gate-driver returns.
This page synthesizes distributor inventory and pricing context, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSPIC33CK32MC105-I/M4 — 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 DSPIC33CK32MC105-I/M4 (mesmo formato e footprint) — diferindo em Core, Operating Temperature, Package, ADC Resolution, PWM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33CK32MC105-E/M4
✅ Drop-In✓ Em estoque
$3.2 / unidade
Ver ficha técnica →DSPIC33CK64MC105-I/M4
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33CK64MC105-E/M4
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$0.8 / unidade
Ver ficha técnica →DSPIC33CK16MC105-I/M4
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33CK32MC105-I/M4 Classificações máximas e características elétricas
| Core | dsPIC33CK 16-bit DSC |
| CPU Speed | 100 MHz (100 MIPS) |
| Program Flash | 32 KB (with ECC and fault injection) |
| Data SRAM | 8 KB (with MBIST) |
| Tensão de alimentação | 3.0 V to 3.6 V |
| Temperatura de operação | -40C to +85C (I grade); family supports +125C at 100 MIPS, +150C at 70 MIPS |
| Encapsulamento | 48-UQFN (6x6 mm) |
| Tipo de montagem | Surface Mount |
| ADC | 12-bit high-speed ADC |
| Analog Comparators | Yes |
| On-chip Op Amps | Yes |
| PWM | High-resolution PWM |
| DMA Channels | 4 |
| Timers | 3 |
| External Interrupts | 4 |
| Serial Interfaces | 3 serial I/O ports (UART/SPI/I2C) |
| Program Memory Width | 24-bit |
| Special Features | Barrel shifter, boundary scan, instruction cache, Functional Safety (FuSa) |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do DSPIC33CK32MC105-I/M4 48-uqfn (6x6 mm)
Configuração de pinos para DSPIC33CK32MC105-I/M4 (pacote 48-uqfn (6x6 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para DSPIC33CK32MC105-I/M4.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33CK32MC105-I/M4 é adequado para 6 aplicaçãos: Brushless DC / PMSM Motor Control (FOC), Digital Switch-Mode Power Supplies (SMPS / PFC), Industrial Sensing and Advanced Control Nodes, Capacitive Touch Interfaces, Power-Factor-Corrected LED Drivers, Embedded Motion and Robotics Control.
Brushless DC / PMSM Motor Control (FOC)
The DSPIC33CK32MC105-I/M4 is purpose-built for Field-Oriented Control of brushless DC and PMSM motors: its 100 MHz dsPIC33CK core delivers up to 100 MIPS of deterministic performance, sustaining FOC loop rates in the tens of kHz with the integrated DSP multiply-accumulate engine. The high-resolution PWM provides fine duty-cycle resolution to minimize current ripple and audible noise, while the 12-bit high-speed ADC samples phase currents and bus voltage for the Clarke/Park transforms. On-chip op amps condition low-side shunt current-sense signals without external amplifiers, and analog comparators provide hardware cycle-by-cycle overcurrent protection independent of the CPU. Microchip supplies motor-control reference designs and the MA330036/MA330041 PIM ecosystem for rapid prototyping on this exact silicon.
Recomendado
Digital Switch-Mode Power Supplies (SMPS / PFC)
In digitally controlled AC-DC and DC-DC converters, the DSPIC33CK32MC105-I/M4 replaces analog control loops with the high-resolution PWM peripheral and a fast 12-bit ADC, achieving precise voltage-mode or current-mode regulation at switching frequencies from 100 kHz to beyond 1 MHz depending on resolution settings. The analog comparators implement cycle-by-cycle peak current limiting in hardware, protecting the power stage within nanoseconds of a fault without CPU intervention. Four DMA channels stream ADC results to SRAM so the 100 MIPS core is free to run compensation and housekeeping. The 3.0-3.6 V supply and -40C to +85C industrial rating suit telecom rectifiers, server PSU auxiliary control, and USB-PD adapter firmware, with 32 KB Flash adequate for full PFC plus LLC control stacks.
Recomendado
Industrial Sensing and Advanced Control Nodes
For industrial sensing nodes, the DSPIC33CK32MC105-I/M4 combines a 12-bit high-speed ADC, on-chip op amps, and comparators to build complete analog front ends around bridge, current, and temperature sensors with minimal external circuitry. The 100 MHz core executes digital filtering, FFT, and DSP-class post-processing locally, while UART, SPI, and I2C interfaces publish results to PLC backbones. ECC on the 32 KB program Flash and MBIST on the 8 KB SRAM, together with Microchip's Functional Safety (FuSa) positioning of this family, support deployment in safety-related monitoring equipment. The -40C to +85C industrial rating covers unconditioned factory-floor enclosures, and the compact 6x6 mm UQFN fits distributed sensor boards mounted directly on machinery.
Recomendado
Capacitive Touch Interfaces
Microchip lists touch sensing among the headline target applications for the dsPIC33CK family, and the DSPIC33CK32MC105-I/M4 implements capacitive touch using charge-transfer measurement driven by the high-resolution PWM and captured by the 12-bit ADC or comparators. The 100 MIPS core runs Microchip's touch libraries with fast response times and drift compensation, supporting buttons, sliders, and wheels on glass or plastic overlays in appliance and industrial-HMI front panels. Because the touch engine shares silicon with the motor-control peripherals, a single DSPIC33CK32MC105-I/M4 can manage both a user interface and a motor or heater control loop, removing a second MCU from the BOM. The 48-pin UQFN leaves sufficient I/O for LEDs and relays alongside the touch channels.
Recomendado
Power-Factor-Corrected LED Drivers
High-brightness and industrial LED luminaires benefit from the DSPIC33CK32MC105-I/M4 running single-stage PFC plus constant-current control in one controller. The high-resolution PWM drives the power switch with the duty resolution needed for low output-current ripple across universal AC input, while the fast 12-bit ADC closes the current loop with sub-switch-cycle sampling. Analog comparators give instantaneous overcurrent shutdown, and the op amps amplify shunt signals for accurate dimming regulation down to low percentages. Firmware-based control enables configurable dimming curves, DALI or 0-10 V interfaces over UART/I2C, and adaptive thermal foldback using the ADC channels. The 32 KB Flash comfortably hosts PFC, current control, and a communication stack concurrently.
Recomendado
Embedded Motion and Robotics Control
In compact robotics and servo drives, the DSPIC33CK32MC105-I/M4 closes high-bandwidth current loops with deterministic 100 MIPS execution while a host processor issues position and velocity commands over SPI or UART. The DSP engine accelerates the FOC transform chain, encoder decoding uses timer/capture resources, and the high-resolution PWM drives three-phase inverters with low dead-time distortion. Hardware comparators provide safe torque-off class overcurrent protection, and boundary-scan capability supports production test. Four DMA channels keep encoder and ADC data flowing without CPU stalls. The 6x6 mm UQPN-class footprint integrates directly on joint-driver PCBs, and the same footprint supports the 64 KB DSPIC33CK64MC105-I/M4 for firmware growth in multi-mode motion profiles.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33CK32MC105-I/M4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33CK32MC105-E/M4 | DSPIC33CK64MC105-I/M4 | DSPIC33CK16MC105-I/M4 |
|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Program Flash | 32 KB (ECC) | 32 KB (ECC) | 64 KB (ECC) | 16 KB (ECC) |
| Data SRAM | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) |
| 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 |
| Temperature Grade | Industrial (I), -40C to +85C | Extended (E), higher ambient per datasheet | Industrial (I) | Industrial (I) |
| Analog Peripherals (Op Amps / 12-bit ADC / PWM) | Yes / Yes / High-resolution | Yes / Yes / High-resolution | Yes / Yes / High-resolution | Yes / Yes / High-resolution |
Principais diferenciais
- Extended-temperature drop-in availability on the same footprint (vs DSPIC33CK32MC105-E/M4)
- Flash headroom without redesign (vs DSPIC33CK64MC105-I/M4)
- Cost-optimized for single-loop control (vs DSPIC33CK256MP205-I/PT)
Notas de projeto
The 48-UQFN 6x6 mm package has a small pitch and exposed thermal pad: place a 0.1 uF ceramic capacitor within 2 mm of every VDD pin and a 10 uF bulk capacitor within 10 mm, and connect the exposed pad to a solid ground plane with an array of vias for heat spreading and return-current integrity. Follow the power/ground pair recommendations in the Microchip dsPIC33CK family datasheet layout section and reference designs such as the Low-Voltage Motor Control Board (DM330031) for proven patterns.
In motor-drive layouts, keep the analog domain (ADC inputs, op-amp pins, VDDCORE filtering) physically separated from PWM gate-driver switching loops. Route phase-current shunt signals differentially to the op-amp inputs with Kelvin connections at the shunt, and guard them with ground traces. High dV/dt on PWM outputs couples into adjacent traces; use the Peripheral Pin Select (PPS) flexibility to move digital functions away from analog-adjacent pins during layout rather than after.
Do not exceed the 3.6 V maximum supply - this is a 3.0-3.6 V family, not a 5 V-tolerant device, and 5 V signals on I/O pins will damage it; level-shift any 5 V interfaces. Also, the -I grade is specified to +85C for full-speed operation per family datasheet operating conditions; for ambient environments approaching +125C, select the -E grade variant instead. Finally, confirm MSL handling of UQFN moisture sensitivity per the packing label before reflow.
Informações de conformidade
RoHS-compliant lead-free current production per Microchip/DigiKey/Mouser listings. Family positioned by Microchip for Functional Safety (FuSa) and dsPIC33CK automotive references appear in distributor data; AEC-Q100 qualification applies to specific automotive-variant orderable part numbers, not confirmed for this suffix.
