DSPIC33EP128MU506-I/PT - 16-bit 70 MIPS DSC, 128KB Flash | Microchip
N.º da peça: DSPIC33EP128MU506-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.95 | $6,95 |
| 10 | $6.28 | $62,80 |
| 100 | $5.55 | $555,00 |
| 500 | $5.1 | $2.550,00 |
| 1.000 | $4.65 | $4.650,00 |
DSPIC33EP128MU506-I/PT Visão geral
A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a digital signal processor. Within the power-management hierarchy of embedded systems, the dsPIC33E family sits between general-purpose MCUs and standalone DSPs, offering a DSP-enhanced instruction set (DSP engine, 40-bit accumulators, modulo and bit-reversed addressing) alongside familiar MCU peripherals, making it a strong fit for real-time embedded control.
Key features of this device include up to 70 MIPS throughput at 3.3V operation (VDD 3.0V to 3.6V), 128KB Flash with self-programming capability, 16KB on-chip SRAM, and 2.0V to 3.6V-tolerant flexible I/O on up to 53 pins. Peripherals include a 10-bit ADC capable of 1.1 Msps, full-speed USB 2.0 device support, CAN 2.0B, multiple UARTs, SPI and I2C ports, output-compare/PWM channels, and an input-capture subsystem for motion and power-conversion feedback loops.
Architecturally, the dsPIC33E core uses a modified Harvard pipeline with hardware multiply-accumulate, enabling single-cycle MAC operations for filtering, transforms, and control-law execution without external DSP silicon.
Typical applications include digital power supplies, brushless DC and PMSM motor control, USB-connected instrumentation, and industrial sensing nodes.
Design consideration: keep the USB and analog supply domains filtered and decouple each VDD pin with 0.1uF ceramics close to the package.
This page synthesizes verified distributor stock data, drop-in family alternatives, and practical design guidance not found in a single manufacturer source. Pricing shown reflects distributor RFQ data as of 2026-09-24.
Alternativas drop-in para DSPIC33EP128MU506-I/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 DSPIC33EP128MU506-I/PT (mesmo formato e footprint) — diferindo em Operating Temperature, Package, ADC Resolution, Core Processor, Program Memory Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33EP128MU506-H/PT
✅ Drop-In✓ Em estoque
$5.73 / unidade
Ver ficha técnica →DSPIC33EP256MU506-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP64MU506-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP128MC506-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP128MU506-E/PT
✅ Drop-In✓ Em estoque
$4.3 / unidade
Ver ficha técnica →DSPIC33EP128MU506-I/PT Classificações máximas e características elétricas
| Core Processor | dsPIC33E (16-bit DSC core) |
| Core Size | 16-bit |
| Maximum Operating Frequency | 70 MIPS |
| Program Memory Size | 128KB Flash |
| RAM Size | 16KB SRAM |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Temperatura de operação | -40C to +85C (I grade) |
| Encapsulamento | 64-pin TQFP (PT) |
| Tipo de montagem | Surface Mount |
| USB | USB 2.0 full-speed device |
| Connectivity | CAN 2.0B, UART, SPI, I2C, USB |
| ADC Resolution | 10-bit |
| Timers | 5 x 16-bit |
| PWM Channels | 8 (output compare/PWM) |
| Packaging | Tray |
Guia de Configuração de Pinos do DSPIC33EP128MU506-I/PT 64-pin tqfp (pt)
Configuração de pinos para DSPIC33EP128MU506-I/PT (pacote 64-pin tqfp (pt)). 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 DSPIC33EP128MU506-I/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33EP128MU506-I/PT é adequado para 6 aplicaçãos: Digital Power Supplies, Brushless DC and PMSM Motor Control, USB-Connected Industrial Instrumentation, Industrial Sensing Nodes, Audio and Voice Signal Processing, Lighting and HID Control.
Digital Power Supplies
The DSPIC33EP128MU506-I/PT fits digitally controlled AC-DC and DC-DC converters where loop compensation, soft-start, and protection must run deterministically at switching frequencies of 100-500 kHz. Its 70 MIPS core executes single-cycle MAC operations for PID and notch-filter control laws, while the 10-bit ADC with simultaneous sampling of voltage and current feedback keeps loop latency low. Output-compare/PWM channels generate phase-shifted or complementary gate drive with dead-time control. The I and E temperature grades support industrial power environments, and 3.0-3.6V operation simplifies bias from an auxiliary rail.
Recomendado
Brushless DC and PMSM Motor Control
Sensorless and sensored BLDC/PMSM drives benefit directly from the DSPIC33EP128MU506-I/PT's control-oriented architecture. The 70 MIPS pipeline runs field-oriented control (FOC) or trapezoidal commutation with current-loop rates well above the electrical frequency of typical industrial motors. Input-capture channels time back-EMF zero crossings for sensorless commutation, the 10-bit ADC samples phase currents, and multiple PWM outputs drive a three-phase inverter with hardware dead time. CAN 2.0B connects the drive to factory networks while optional USB enables commissioning from a PC. The 64-pin TQFP provides enough GPIO for Hall sensors, encoder inputs, and protection interlocks.
Recomendado
USB-Connected Industrial Instrumentation
The integrated USB 2.0 full-speed device module makes the DSPIC33EP128MU506-I/PT a natural fit for bench instruments, data loggers, and sensor hubs that stream data to a PC without an external USB controller or bridge chip. The 70 MIPS core and DSP engine handle oversampling, decimation, and FFT pre-processing locally, while 128KB Flash stores logging firmware and bootloaders supporting field upgrades over USB itself. Multiple UART/SPI/I2C ports acquire from several sensor front ends concurrently. Because USB enumeration is handled on-chip, BOM cost stays low and the single 3.0-3.6V supply covers both logic and I/O domains.
Recomendado
Industrial Sensing Nodes
Factory sensing nodes aggregating analog transducers benefit from the controller's ADC channel count, DSP filtering, and CAN bus integration. The 10-bit ADC converts thermistor, pressure, and current-shutter inputs, with the DSP engine implementing IIR/FIR filtering and RMS computation in real time rather than offloading to a host. CAN 2.0B provides robust, noise-immune communication along cable trays where RS-485 or CAN dominates industrial practice. The 64-pin TQFP exposes enough GPIO for discrete limit switches and relay drives, while -40C to +85C operation (I grade, with E grade at +125C available) covers unconditioned industrial enclosures.
Recomendado
Audio and Voice Signal Processing
The DSP engine of the DSPIC33EP128MU506-I/PT (single-cycle MAC, dual operand fetch, bit-reversed addressing for FFTs) handles sample-rate audio filtering, tone generation, and echo cancellation at typical 8-48 kHz sampling rates. Multiple SPI ports interface external audio codecs or I2S-style serial devices, while USB provides a convenient PC-side audio channel for voice appliances and intercom products. The 70 MIPS headroom leaves margin above codec-loop processing requirements, and 128KB Flash accommodates codebooks and configuration tables. For battery-free desktop devices, the 3.3V single-supply operation keeps the power tree simple.
Recomendado
Lighting and HID Control
Advanced lighting fixtures - including DMX-controlled stage lighting and high-intensity LED drivers - use the DSPIC33EP128MU506-I/PT for PWM dimming, color mixing, and thermal fold-back. Eight output-compare/PWM channels provide independent dimming phases with hardware resolution fine enough for flicker-free current regulation, and the 10-bit ADC monitors LED stack temperature and bus current for derating logic. USB enables configuration via PC utilities, while UART connectivity receives DMX512-style streams. The 70 MIPS core sequences multi-channel fixtures deterministically, and the 64-pin TQFP offers ample GPIO for addressing switches and status indicators.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33EP128MU506-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33EP128MU506-H/PT | DSPIC33EP256MU506-I/PT | DSPIC33EP64MU506-I/PT | DSPIC33EP128MC506-I/PT | DSPIC33EP128MU506-E/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (PT) | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128KB | 128KB | 256KB | 64KB | 128KB | 128KB |
| Core Throughput | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| USB | USB 2.0 full-speed device | USB 2.0 full-speed device | USB 2.0 full-speed device | USB 2.0 full-speed device | USB (per family datasheet - MC variant adds motor PWM emphasis) | USB 2.0 full-speed device |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C |
| Typical Application Focus | USB + general DSP control | Identical - alternate revision | Larger code base, same focus | Cost-optimized, smaller code | Motor control PWM emphasis | High-temperature environments |
| 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 |
Principais diferenciais
- Integrated full-speed USB 2.0 device (vs DSPIC33EP128MC506-I/PT)
- Large Flash headroom in same footprint (vs DSPIC33EP64MU506-I/PT)
- Industrial temperature coverage (vs DSPIC33EP128MU506-E/PT)
Notas de projeto
Decouple every VDD and AVDD pin with 0.1uF ceramic capacitors placed within 2-3 mm of the package pins, and add a bulk 10uF capacitor near the device. Connect all VSS and the exposed TQFP center-lead region to a solid ground plane with multiple vias. Keep the USB D+/D- pair routed as a 90-ohm differential pair of matched length, and isolate the analog section (VREF, analog inputs) from PWM switching noise on the layout floorplan.
The DSPIC33EP128MU506 requires a 3.0-3.6V core/I/O supply - it is not a 5V part. Regulate from a 5V rail with an LDO such as a Microchip MCP1700-class device (estimated: at 70 MIPS with moderate I/O loading, current draw is in the tens of mA range, so a 100-150 mA LDO suffices; verify against the datasheet electrical characteristics table for your exact configuration). Allow per-pin I/O current budgets and add soft-start to avoid brown-out during USB enumeration.
Do not assume the MU506 is drop-in identical to the MC506 at the firmware level - peripheral sets differ (USB vs motor-control PWM), so code does not port blindly even though the footprint matches. Also confirm the exact ordering-code suffix at procurement: -I (industrial, -40C to +85C) versus -E (extended, -40C to +125C) are not interchangeable for designs validated only at industrial temperature. When using the internal oscillator, verify achieved USB timing accuracy since USB full-speed requires an accurate clock source.
Informações de conformidade
Verified web data does not include explicit RoHS/REACH/lead-free certificates for this ordering code. Obtain formal material declarations from Microchip environmental documentation for compliance records. Not an automotive AEC-Q100 qualified part number.
