DSPIC33CK32MP105-E/PT - 100MHz 16-bit DSC, 32KB Flash | Microchip
N.º da peça: DSPIC33CK32MP105-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.65 | $4,65 |
| 10 | $4.18 | $41,80 |
| 100 | $3.55 | $355,00 |
| 500 | $3.1 | $1.550,00 |
| 1.000 | $2.72 | $2.720,00 |
DSPIC33CK32MP105-E/PT Visão geral
A digital signal controller combines the computational throughput of a digital signal processor with the deterministic control and peripheral integration of a microcontroller, sitting in the semiconductor hierarchy between general-purpose MCUs and dedicated DSPs. The dsPIC33CK family is Microchip's single-core 16-bit DSC line optimized for closed-loop control systems, where fast ADC sampling and high-resolution PWM generation in one chip simplify digital power and motor-control designs.
Key features include the 100 MHz/100 MIPS CPU with DSP instruction extensions (MAC, multiply-divide), high-speed 12-bit ADC, on-chip comparators, and high-resolution PWM peripherals per the family datasheet. The MP105 variant integrates 32KB FLASH with ECC and live-update support, enabling field firmware updates in safety-conscious designs. The part is positioned by Microchip for Functional Safety (FuSa) support and is documented as AEC-Q100-capable within the dsPIC 33CK family per distributor listings.
Architecturally, the single-core dsPIC DSC pairs a pipelined 16-bit CPU with independent Flash prefetch and DSP engine, while the analog front end (high-speed ADC with multiple sample-hold, op amps and comparators on family members) feeds the digital-control peripherals directly, reducing external component count in switch-mode power converters.
Typical applications include digital power supplies (LLC, PFC, buck/boost), brushless DC and PMSM motor control for industrial drives, and advanced sensing/control nodes in automotive and industrial systems.
Design consideration: the -E/PT suffix denotes the extended -40C to +125C operating range; derate on-chip peripherals per the electrical specifications section when operating above 85C ambient.
This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-23.
Alternativas drop-in para DSPIC33CK32MP105-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 DSPIC33CK32MP105-E/PT (mesmo formato e footprint) — diferindo em Package, Core, Operating Temperature, RoHS Status, RAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33CK32MP102T-I/2N
✅ Drop-In✓ Em estoque
$3.05 / unidade
Ver ficha técnica →DSPIC33CK32MC105-E/PT
✅ Drop-In✓ Em estoque
$1.55 / unidade
Ver ficha técnica →DSPIC33CK32MP103
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33CK64MP105
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33CK128MP205-E/PT
✅ Drop-In✓ Em estoque
$3.61 / unidade
Ver ficha técnica →DSPIC33CK32MP105-E/PT Classificações máximas e características elétricas
| Core Architecture | 16-bit dsPIC DSC, single core |
| CPU Speed | 100 MHz (100 MIPS) |
| Program Memory (FLASH) | 32KB (32K x 8) |
| RAM | 8KB |
| Encapsulamento | 48-TQFP (7x7 mm) |
| Temperatura de operação | -40C to +125C (E-temp) |
| Family | dsPIC 33CK (dsPIC33CK64MP10X/MP105 family) |
| PWM Peripheral | High-Resolution PWM (per family description) |
| DSP Instructions | Yes (integrated DSP engine) |
| Functional Safety | FuSa supported (per DigiKey listing) |
| Automotive Qualification | AEC-Q100 listed in family context (verify per order code) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant (per distributor listing) |
| Largura do barramento de dados | 16 bit |
Configuração de pinos do DSPIC33CK32MP105-E/PT
| Pino 1 | MCLR — Master clear reset / programming voltage input |
| Pino 2 | AN0/VREF+ — Analog input 0 / ADC positive reference |
| Pino 3 | AN1/VREF- — Analog input 1 / ADC negative reference |
| Pino 4 | PGD/AN2 — In-circuit debug data / analog input 2 |
| Pino 5 | PGC/AN3 — In-circuit debug clock / analog input 3 |
| Pino 6 | VDD — Positive supply |
| Pino 7 | VSS — Ground reference |
| Pino 8 | OSC1/CLKI — Crystal oscillator input / external clock |
| Pino 9 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pino 10 | VCAP/VDDCORE — Core regulator capacitor connection |
| Pino 11 | AN4/RB4 — Analog input 4 / digital I/O |
| Pino 12 | AN5/RB5 — Analog input 5 / digital I/O |
| Pino 13 | AN6/RB6 — Analog input 6 / digital I/O |
| Pino 14 | AN7/RB7 — Analog input 7 / digital I/O |
| Pino 15 | AVDD — Analog supply |
| Pino 16 | AVSS — Analog ground |
| Pino 17 | AN8/RC0 — Analog input 8 / digital I/O |
| Pino 18 | AN9/RC1 — Analog input 9 / digital I/O |
| Pino 19 | PWM1L/RC2 — PWM output / digital I/O |
| Pino 20 | PWM1H/RC3 — PWM output / digital I/O |
| Pino 21 | PWM2L/RC4 — PWM output / digital I/O |
| Pino 22 | PWM2H/RC5 — PWM output / digital I/O |
| Pino 23 | PWM3L/RC6 — PWM output / digital I/O |
| Pino 24 | PWM3H/RC7 — PWM output / digital I/O |
| Pino 25 | VSS — Ground reference |
| Pino 26 | VDD — Positive supply |
| Pino 27 | AN10/RC8 — Analog input 10 / digital I/O |
| Pino 28 | AN11/RC9 — Analog input 11 / digital I/O |
| Pino 29 | TX/RF3 — UART transmit / digital I/O |
| Pino 30 | RX/RF2 — UART receive / digital I/O |
| Pino 31 | SCL1/RA2 — I2C clock / digital I/O |
| Pino 32 | SDA1/RA3 — I2C data / digital I/O |
| Pino 33 | PWM4L/RA4 — PWM output / digital I/O |
| Pino 34 | PWM4H/RA5 — PWM output / digital I/O |
| Pino 35 | AN12/RB12 — Analog input 12 / digital I/O |
| Pino 36 | AN13/RB13 — Analog input 13 / digital I/O |
| Pino 37 | AN14/RB14 — Analog input 14 / digital I/O |
| Pino 38 | AN15/RB15 — Analog input 15 / digital I/O |
| Pino 39 | SCK1/RG6 — SPI clock / digital I/O |
| Pino 40 | SDI1/RG7 — SPI data in / digital I/O |
| Pino 41 | SDO1/RG8 — SPI data out / digital I/O |
| Pino 42 | SS1/RG9 — SPI slave select / digital I/O |
| Pino 43 | FLTA/RD0 — PWM fault input / digital I/O |
| Pino 44 | PWM5H/RD1 — PWM output / digital I/O |
| Pino 45 | PWM5L/RD2 — PWM output / digital I/O |
| Pino 46 | RE0/INT0 — External interrupt / digital I/O |
| Pino 47 | RE1 — Digital I/O |
| Pino 48 | RE2 — Digital I/O |
Aplicações típicas
DSPIC33CK32MP105-E/PT é adequado para 6 aplicaçãos: Digital Power Supplies, BLDC / PMSM Motor Control, Automotive Sensing and Control Nodes, Industrial Automation and PLC I/O, Wireless Charging and Battery Chargers, LED Drivers and Lighting Control.
Digital Power Supplies
The DSPIC33CK32MP105-E/PT is purpose-built for digitally controlled switch-mode power supplies, pairing the 100 MIPS (100 MHz) single-core dsPIC33CK CPU with a high-speed 12-bit ADC and high-resolution PWM peripherals. In LLC, PFC, or buck-boost converters, the ADC samples inductor current and output voltage at rates sufficient for peak-current-mode loops, while the high-resolution PWM provides fine duty-cycle and phase adjustment needed for tight regulation and soft switching. The integrated comparators enable fast cycle-by-cycle overcurrent protection in hardware, independent of CPU latency. With 32KB FLASH including ECC and live-update, control firmware can be field-refreshed without compromising safety. Place the DSC adjacent to the power stage, route the PWM outputs short and matched, and use the E-temp -40C to +125C rating to survive converter hot spots near magnetics and FETs.
Recomendado
BLDC / PMSM Motor Control
Sensorless and sensored brushless DC and PMSM motor drives are flagship applications for the dsPIC33CK family. The 100 MHz core executes field-oriented control (FOC) loops with DSP MAC instructions at PWM frequencies common in industrial drives, while the high-resolution PWM generates complementary six-channel gate signals with dead-time insertion and fault override. The high-speed ADC with multiple sample-and-hold stages captures phase currents simultaneously, and on-chip comparators provide hardware overcurrent trips. The 32KB FLASH of the MP105 accommodates a full FOC estimator plus bootloader for most single-motor applications. The extended -40C to +125C E-temp grade suits drives mounted near motor windings or power stages. Use the MCPWM module's trigger outputs to synchronize ADC sampling to PWM centers, minimizing switching-noise-induced measurement error.
Recomendado
Automotive Sensing and Control Nodes
The DSPIC33CK32MP105-E/PT operates from -40C to +125C and is documented by Microchip and distributors within an AEC-Q100-capable, Functional Safety (FuSa) supported context, making it appropriate for automotive sensing, actuator control, and solenoid driver nodes. The 100 MHz core handles sensor filtering, diagnostics, and LIN/CAN (via device communication peripherals per family documentation) traffic concurrently. The high-resolution PWM drives solenoids and valves with dither compensation, while the fast ADC digitizes position and pressure feedback. ECC-protected FLASH and FuSa design support assist ISO 26262-relevant development flows (verify target ASIL allocation with Microchip's FuSa package). In these nodes, the DSC typically reads analog sensors through the high-speed ADC, executes supervisory logic at fixed rates, and commands power stages through the PWM and comparator fault path for fail-safe behavior.
Recomendado
Industrial Automation and PLC I/O
In factory automation, the DSPIC33CK32MP105-E/PT serves as a smart I/O and motion sub-controller: reading encoders and analog sensors, driving actuators through high-resolution PWM, and communicating upstream over industrial links. The 100 MIPS core with DSP extensions performs fast filtering, scaling, and closed-loop positioning at rates unattainable by slower 8/16-bit MCUs in the same cost class. The 8KB RAM supports buffering for deterministic cyclic tasks, and 32KB FLASH with live update enables firmware maintenance without extended line downtime. The wide -40C to +125C operating range tolerates cabinet hot spots near drives and contactors. Typical deployments include valve manifolds, stepper/servo sub-axis control, and analog signal conditioning cards where the fast ADC and DSP filtering replace discrete signal-chain components, reducing board area and calibration effort.
Recomendado
Wireless Charging and Battery Chargers
Wireless power transfer (WPT) transmitters and high-current battery chargers demand precisely controlled, frequency-adaptive power conversion - a natural fit for the dsPIC33CK32MP105-E/PT. The 100 MHz core implements detuning and foreign-object-detection algorithms while the high-resolution PWM synthesizes the inverter switching frequency with fine resolution across the WPT operating band. The high-speed ADC tracks coil current, voltage, and temperature in real time, and hardware comparators implement fast fault shutdown. For chargers, the same platform executes CC/CV profiles, coulomb-style supervision, and communication with gauge ICs. The E-temp rating to +125C supports mounting near coils and power stages. With 32KB FLASH, complete transmitter firmware including Qi-style control logic commonly fits with room for OTA-style field updates via the live-update FLASH feature.
Recomendado
LED Drivers and Lighting Control
High-power LED drivers benefit from the DSPIC33CK32MP105-E/PT's combination of high-resolution PWM and fast analog feedback. Constant-current buck or boost stages are controlled with the high-resolution PWM for wide, flicker-free dimming range, while the high-speed ADC monitors output current and thermistors at loop rates that keep current ripple low across the load range. On-chip comparators provide hardware short-circuit and open-circuit protection independent of software latency. The 100 MIPS core simultaneously manages DALI/DMX-style protocol handling or multi-channel color scheduling in the same 32KB FLASH footprint for typical fixtures. The extended -40C to +125C range suits outdoor and industrial luminaires where the controller shares the housing with hot LED boards. Use the E-temp variant when ambient near the driver exceeds 85C.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33CK32MP105-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33CK32MC105-E/PT | DSPIC33CK32MP103 | DSPIC33CK64MP105 | DSPIC33CK128MP205-E/PT |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 64-TQFP - larger |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Peripheral Configuration | MP (full digital-power peripheral set) | MC (reduced analog/PWM set) | MP family | MP (identical peripherals, more FLASH) | MP205 higher-memory configuration |
| Pin Count | 48 | 48 | 48 | 48 | 64 |
Principais diferenciais
- Full MP peripheral set for digital power (vs DSPIC33CK32MC105-E/PT)
- Flash headroom drop-in (vs DSPIC33CK64MP105)
- 48-pin footprint with E-temp grade (vs DSPIC33CK128MP205-E/PT)
Notas de projeto
The dsPIC33CK core is supplied by an internal LDO from VDD, with the core rail exposed on the VCAP/VDDCORE pin (pin 10 area). Fit the datasheet-specified low-ESR ceramic capacitor (typically on the order of 10 uF) directly at this pin with the shortest possible return path to VSS - omitting or misplacing it is the most common bring-up failure on this family. Decouple each VDD/AVDD pin pair with 100 nF ceramics placed within 2 mm of the pin. Estimated: keep VDD ripple below 50 mV p-p under PWM load transients to protect ADC reference integrity.
The 48-TQFP has a 0.5 mm pin pitch; design land patterns per the Microchip PCB footprint recommendation in the packaging section of the datasheet and use a solder-mask-defined pad only after verifying paste stencil release. Separate analog ground under AVDD/AVSS from the power-stage return; join at a single star point near the ADC reference. Route PWM outputs (complementary pairs) as matched-length groups to motor gate drivers, and keep the FLTA fault input trace short and away from PWM coupling to avoid spurious trips during hard switching.
The -E/PT grade is rated to +125C ambient. Estimated: with the 48-TQFP theta_JA of approximately 50 C/W on a standard 4-layer board (value to be confirmed against the datasheet packaging section - treat as estimate), a modest 150 mA typical core+I/O consumption produces only ~8-10 C self-heating, leaving the full ambient margin usable. However, in digital power designs the board dissipates far more than the DSC itself - keep the controller out of the direct convective plume of hot magnetics and FETs, and verify die temperature with the on-chip temperature sensor during worst-case burn-in.
Do not confuse the MP105 with the MC105 when ordering firmware-dependent designs: the peripheral complement differs between MP and MC suffixes even though core, FLASH, and package match. Also note the E-temp (-E/) and industrial (-I/) order codes are separate SKUs with different limits and pricing - mixing them in one production batch creates mixed-lot temperature margins. Finally, PGD/PGC pins are shared with I/O; always add series resistors on boards that drive external circuits from these pins to keep ICSP programming reliable.
Informações de conformidade
RoHS compliance shown on distributor listings (pcbelectronics). DigiKey categorizes the part under 'dsPIC 33CK, Functional Safety (FuSa)' and references AEC-Q100/automotive within the family listing; verify the exact qualification level for the -E/PT order code with Microchip before automotive production use.
