DSPIC33EP64MC503-I/TL - 16-bit 70 MIPS DSC 64KB Flash | Microchip
N.º da peça: DSPIC33EP64MC503-I/TL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.45 | $3,45 |
| 10 | $3.25 | $32,50 |
| 100 | $3.07 | $307,00 |
| 500 | $2.95 | $1.475,00 |
| 1.000 | $2.8 | $2.800,00 |
DSPIC33EP64MC503-I/TL Visão geral
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and control-oriented instruction set of a microcontroller. Within the power management hierarchy of embedded systems, DSCs sit between general-purpose MCUs and dedicated DSPs, making the dsPIC33E family a popular choice for closed-loop control systems that require both fast math (MAC, DSP instructions) and rich communication peripherals.
Key features include the 70 MIPS dsPIC DSC core with integrated DSP engine, 64KB of self-programmable FLASH, 4KB of RAM, and a peripheral set covering Motor Control PWM, DMA, and standard watchdog timer functionality. Connectivity is extensive: CANbus, I2C, LINbus, SPI, and UART/USART interfaces enable integration into automotive-style networks, industrial buses, and multi-chip designs.
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with hardware multiply-accumulate support, allowing filter loops, PI controllers, and field-oriented control algorithms to execute deterministically at 70 MIPS. The MC (Motor Control) peripheral variant adds complementary PWM outputs with dead-time control tailored to inverter and converter topologies.
Typical applications include brushless DC and permanent-magnet synchronous motor control, switch-mode power supplies, digital lighting ballasts, and industrial automation nodes that require CAN connectivity alongside precise PWM generation.
Design-wise, ensure the 3.3V rail is well decoupled at the VDD/VSS pairs and take advantage of the exposed pad for a low-inductance ground return; the -40C to +85C industrial temperature range of the I-suffix part should be verified against your enclosure budget.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSPIC33EP64MC503-I/TL — 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 DSPIC33EP64MC503-I/TL (mesmo formato e footprint) — diferindo em Operating Temperature, Package, RAM, CAN, Core.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33EP64MC503-E/TL
✅ Drop-In✓ Em estoque
$3.55 / unidade
Ver ficha técnica →DSPIC33EP64GP503-I/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.51 / unidade
Ver ficha técnica →DSPIC33EP64GP503-E/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.48 / unidade
Ver ficha técnica →DSPIC33EP64GP503T-I/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.9 / unidade
Ver ficha técnica →DSPIC33EP64MC503-I/TL Classificações máximas e características elétricas
| Core | dsPIC 33EP 16-bit |
| Core Performance | 70 MIPS |
| Program Memory (FLASH) | 64KB (22K x 24) |
| RAM | 4KB |
| Tensão de alimentação | 3.3 V |
| Temperatura de operação | -40C to +85C |
| Encapsulamento | 36-VTLA (5x5 mm) exposed pad |
| Tipo de montagem | Surface Mount |
| Connectivity | CANbus, I2C, LINbus, SPI, UART/USART |
| Peripherals | Motor Control PWM, DMA, WDT |
| Product Type | 16-bit dsPIC DSC (Microcontrollers / Digital Signal Controllers) |
| Series | dsPIC 33EP |
| Packaging | Tube |
| Status RoHS | unknown |
| Oscillator Frequency | 70 MHz (per distributor listing) |
Guia de Configuração de Pinos do DSPIC33EP64MC503-I/TL 36-vtla (5x5 mm) exposed pad
Configuração de pinos para DSPIC33EP64MC503-I/TL (pacote 36-vtla (5x5 mm) exposed pad). 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 DSPIC33EP64MC503-I/TL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33EP64MC503-I/TL é adequado para 6 aplicaçãos: Brushless DC Motor Control, Switch-Mode Power Supplies, Industrial Automation and CAN Networking, Digital Lighting and Ballast Control, Automotive-Adjacent Embedded Control, Portable Instrumentation and Sensing.
Brushless DC Motor Control
The DSPIC33EP64MC503-I/TL is purpose-built for BLDC and PMSM drives: the MC peripheral variant provides complementary Motor Control PWM outputs with hardware dead-time insertion, while the 70 MIPS dsPIC core executes field-oriented control and PI current loops with deterministic cycle times. Its DMA offloads ADC result transfers so the CPU bandwidth stays available for the control algorithm. In a typical three-phase inverter, the DSC reads phase currents and the DC bus, computes the FOC transform chain, and updates PWM duty cycles within one PWM period. Unlike general-purpose MCUs, the hardware MAC/DSP engine keeps filter and transform overhead low. Designers should pair the part with a gate driver and verify dead-time settings against the MOSFET switching specifications.
Recomendado
Switch-Mode Power Supplies
Digital power supplies benefit from the DSPIC33EP64MC503-I/TL's combination of fast PWM control and DSP math. The 70 MIPS core implements average-current-mode or peak-current-mode control loops, while the MC PWM module generates complementary outputs with programmable dead time for half-bridge and full-bridge topologies. DMA moves ADC samples from current and voltage sense points without CPU intervention, keeping loop latency low and jitter minimal. The 64KB FLASH accommodates compensator code, state machines, and communication stacks (I2C, UART, CAN) for supervisory functions in a single chip. Compared with analog controllers, the DSC allows firmware-adjustable compensation over temperature and load. Designers should budget PWM resolution and ADC sampling alignment carefully to avoid limit cycling in high-bandwidth loops.
Recomendado
Industrial Automation and CAN Networking
In factory automation nodes, the DSPIC33EP64MC503-I/TL provides integrated CANbus alongside SPI, I2C, UART/USART, and LINbus, allowing one DSC to bridge a CAN backbone to local sensors and actuators. The industrial -40C to +85C rating of the -I suffix suits cabinet-mounted electronics, and the 4KB RAM plus 64KB FLASH handle protocol stacks plus application logic. The 70 MIPS core delivers headroom for data preprocessing, filtering, and diagnostics before transmission. Using the same 36-VTLA footprint across MC and GP variants lets a single PCB platform serve motor nodes (MC503) and non-motor I/O nodes (GP503), reducing qualification effort. Ensure CAN transceivers meet the network's physical-layer requirements and follow the dsPIC33EP datasheet for ECAN module configuration.
Recomendado
Digital Lighting and Ballast Control
Electronic ballasts and LED drivers require precise, phase-related PWM with adjustable frequency and duty resolution, which the DSPIC33EP64MC503-I/TL delivers through its Motor Control PWM module. The 70 MIPS dsPIC core runs power-conversion control loops and can simultaneously manage DALI/UART or I2C communication channels for dimming interfaces. ADC sampling synchronized to the PWM period enables accurate current regulation in buck, boost, or resonant converter stages, while DMA eliminates sample-transfer overhead. The 3.3V, 5x5 mm 36-VTLA package keeps controller footprint small on dense ballast PCBs, and the exposed pad aids thermal and ground performance. Firmware-based control also allows end-of-line calibration and adaptive compensation that fixed analog ballast controllers cannot offer.
Recomendado
Automotive-Adjacent Embedded Control
For body and auxiliary control units that do not require AEC-Q100 full qualification but must tolerate automotive-style electrical environments, the DSPIC33EP64MC503-I/TL offers LINbus and CANbus connectivity in an industrial -40C to +85C window. Where genuine extended-temperature compliance is needed, the pin-compatible DSPIC33EP64MC503-E/TL extends operation to +125C in the identical 36-VTLA package, allowing a single layout to serve both grades. The 70 MIPS core handles sensor acquisition and actuator control while the DMA keeps interrupt load predictable. LIN and UART/USART interfaces support low-cost sub-networks, and CAN supports integration with vehicle bus gateways. Designers should add load-dump protection and EMI filtering external to the DSC per the application's electrical environment requirements.
Recomendado
Portable Instrumentation and Sensing
Handheld and bench instruments use the DSPIC33EP64MC503-I/TL where DSP-style math improves measurement quality: the 70 MIPS core with MAC instructions runs digital filtering, RMS computation, and calibration routines efficiently. SPI and I2C interfaces connect precision ADCs, DACs, and sensors, while UART/USART supports host communication and logging. The 4KB RAM and 64KB FLASH accommodate buffering plus a simple command interface, and the 5x5 mm package fits compact probe-style form factors. The industrial -40C to +85C range covers most laboratory and field conditions. Because the GP503 variant shares the same footprint and memory configuration, instrument platforms can standardize on one PCB and select MC or GP silicon depending on whether on-board actuation is needed, simplifying firmware and supply-chain management.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33EP64MC503-I/TL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33EP64MC503-E/TL | DSPIC33EP64GP503-I/TL | DSPIC33EP64GP503-E/TL | DSPIC33EP64GP503T-I/TL |
|---|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) exposed pad | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS | 60 MIPS (per Microchip USA listing) | 70 MIPS | 70 MIPS | 70 MIPS |
| Program Memory (FLASH) | 64KB (22K x 24) | 64KB (22K x 24) | 64KB | 64KB | 64KB |
| RAM | 4KB | 4KB | 4KB | 4KB | 4KB |
| Peripheral Variant | MC (Motor Control PWM, DMA, WDT) | MC (Motor Control PWM, DMA, WDT) | GP (general purpose, no MC PWM) | GP (general purpose, no MC PWM) | GP (general purpose, no MC PWM) |
| Operating Temperature | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| Connectivity | CAN, I2C, LIN, SPI, UART/USART | CAN, I2C, LIN, SPI, UART/USART | CAN, I2C, LIN, SPI, UART/USART | CAN, I2C, LIN, SPI, UART/USART | CAN, I2C, LIN, SPI, UART/USART |
Principais diferenciais
- Dedicated Motor Control PWM peripheral set (vs DSPIC33EP64GP503-I/TL)
- 70 MIPS maximum core performance (vs DSPIC33EP64MC503-E/TL)
- Single-chip CAN + LIN connectivity (vs DSPIC33EP64GP503T-I/TL)
Notas de projeto
Solder the exposed pad of the 36-VTLA (5x5 mm) package to a solid ground plane via a small via array; this provides the lowest-inductance ground return for the 70 MIPS core's switching currents and improves thermal performance. Decouple each VDD/VSS pair with 0.1uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 4.7-10uF capacitor near the supply entry. Keep the crystal/oscillator traces short and guard them from PWM and CAN routing to prevent clock jitter.
Do not assume the -I suffix tolerates enclosure temperatures above +85C; if the motor-drive or ballast environment approaches +105C to +125C at the IC, switch to the pin-compatible DSPIC33EP64MC503-E/TL extended-temperature part instead of attempting heatsinking on a QFN-style package. Also verify supply sequencing and enable the brown-out reset, because dsPIC33EP FLASH can corrupt during uncontrolled brown-out. Program the configuration words (watchdog, oscillator fail-safe) before production release.
The Motor Control PWM complementary outputs switching in the tens-of-kilohertz range can couple into analog sense lines. Route ADC current-sense inputs differentially where possible, place an RC anti-aliasing filter matched to the PWM-synchronized sampling instant, and synchronize ADC triggers to the PWM period center to sample at the low-ripple point. Keep the CAN bus stubs short and terminate at both ends of the backbone per the ECAN module guidance in the dsPIC33EP family documentation.
Estimated: a dsPIC33EP-class DSC draws on the order of tens of milliamps from the 3.3V rail at 70 MIPS (family-typical figure, not a part-specific datasheet value), so a 100-150 mA LDO budget plus I/O drive margin is generally sufficient. Confirm exact ICC curves in the device datasheet for your operating frequency and temperature before finalizing the regulator selection.
Informações de conformidade
Compliance status not stated in the provided web data; verify RoHS/REACH status on the Microchip product page or the distributor environmental data sheet before ordering.
