dsPIC33EP64GS505-E/PT - 16-bit 70 MIPS DSC 64KB Flash | Microchip
N.º da peça: DSPIC33EP64GS505-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $5.2 | $5,20 |
| 10 | $4.75 | $47,50 |
| 100 | $4.2 | $420,00 |
| 500 | $3.85 | $1.925,00 |
| 1.000 | $3.45 | $3.450,00 |
DSPIC33EP64GS505-E/PT Visão geral
A digital signal controller combines the compute throughput of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the power-management hierarchy, DSCs sit at the heart of digital switch-mode power supplies (SMPS), replacing analog control loops with firmware-based control for higher flexibility, programmability, and telemetry. The dsPIC33EP family occupies the 16-bit embedded control segment between general-purpose MCUs and 32-bit application processors.
Key features of the GS50x family include an interconnected high-speed PWM module purpose-built for power conversion, high-speed analog-to-digital converters, on-chip digital-to-analog converters (DAC), programmable gain amplifiers (PGA), and analog comparators that close control loops without external components. According to Microchip, the dsPIC33EPXXGS50X family is explicitly targeted at digital power applications.
Architecturally, the device uses the enhanced dsPIC33E core with DSP instruction support, allowing single-cycle MAC operations used in proportional-integral-derivative (PID) and compensator routines. The interconnected PWM, ADC, and comparator fabric enables loop latencies measured in nanoseconds, critical for peak-current-mode and multi-loop converters.
Typical applications include AC-DC converters, power factor correction (PFC) stages, DC-DC converters, uninterruptible power supplies, solar micro-inverters, and lighting ballasts. The extended -40C to +125C operating range of the E-grade part suits industrial and automotive-adjacent environments.
Design consideration: budget ADC sampling and PWM update timing so the control loop executes within one switching period; use the family reference design (Interleaved PFC, 350W) as a validated starting point.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSPIC33EP64GS505-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 DSPIC33EP64GS505-E/PT (mesmo formato e footprint) — diferindo em Package, Operating Temperature, ADC, Functional Safety, PWM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33EP64GS505-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP128GS505-E/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP128GS505-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33EP64GS505-E/PT Classificações máximas e características elétricas
| Core | dsPIC33E 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 64 KB |
| Encapsulamento | 48-TQFP (7x7 mm) with exposed pad |
| Temperatura de operação | -40C to +125C (E grade, extended) |
| Tipo de montagem | Surface Mount |
| Application Focus | Digital Power SMPS, High Speed ADC, DAC |
| PWM | Interconnected High-Speed PWM |
| ADC | High-Speed ADC with PGA |
| DAC | On-chip DAC |
| Comparators | Analog comparators (interconnected) |
| Status | In Production |
| Estilo de montagem | SMD/SMT |
| Factory Lead Time | 17 weeks (per distributor data) |
Guia de Configuração de Pinos do DSPIC33EP64GS505-E/PT 48-tqfp (7x7 mm) with exposed pad
Configuração de pinos para DSPIC33EP64GS505-E/PT (pacote 48-tqfp (7x7 mm) with 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 DSPIC33EP64GS505-E/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33EP64GS505-E/PT é adequado para 6 aplicaçãos: AC-DC Power Supplies, Power Factor Correction (PFC), DC-DC Converters, Solar Micro-Inverters and Renewable Energy, Digital Lighting and Electronic Ballasts, Uninterruptible Power Supplies (UPS).
AC-DC Power Supplies
The dsPIC33EP64GS505 is explicitly designed by Microchip for digital switch-mode power supplies, including AC-DC converters. Its interconnected high-speed PWM generates phase-shifted or complementary drive signals with nanosecond resolution, while the high-speed ADC samples input and output rails fast enough to close voltage and current loops within a single switching period. The on-chip comparators provide cycle-by-cycle current limiting in hardware, protecting the converter even if firmware stalls. Using this DSC replaces multiple analog control ICs with one programmable device, enabling firmware-updatable regulation, digital telemetry, and adaptive control across universal input ranges. The extended -40C to +125C E-grade temperature rating suits enclosed adapter and industrial PSU environments with limited airflow.
Recomendado
Power Factor Correction (PFC)
Microchip ships a dedicated Interleaved Power Factor Correction reference design built on the dsPIC33EP GS-series that produces up to 350W from universal AC input, validating this DSC for PFC stages. The 70 MIPS dsPIC33E core executes average-current-mode PFC compensators at switching frequency, while the high-speed ADC simultaneously samples inductor current, bus voltage, and AC line waveform. The interconnected PWM drives two interleaved boost phases with precise phase offset, reducing input ripple current and simplifying EMI filtering. Firmware-based control allows valley switching, adaptive frequency, and brown-out handling that analog PFC controllers cannot easily match, making the 64GS505 a strong choice for front-end PFC in server, telecom, and industrial power systems.
Recomendado
DC-DC Converters
For synchronous buck, boost, and buck-boost converters, the dsPIC33EP64GS505 provides the deterministic loop timing digital DC-DC control demands. The high-speed PWM module supports complementary outputs with programmable dead time and duty resolution fine enough for high-frequency conversion, and the on-chip comparators implement hardware overcurrent trip that shuts down PWM outputs within one switching cycle. The high-speed ADC with programmable gain amplifier directly interfaces low-voltage current-shunt signals without external op-amps, reducing BOM count. Peak-current-mode, voltage-mode, and multi-loop control schemes all fit in the 64KB Flash firmware budget, and the exposed-pad TQFP aids thermal dissipation in dense power stages operating at elevated ambient temperatures.
Recomendado
Solar Micro-Inverters and Renewable Energy
Solar micro-inverter and MPPT applications benefit from the dsPIC33EP64GS505's combination of DSP throughput and power peripherals. The 70 MIPS core with single-cycle MAC executes maximum power point tracking algorithms and grid-synchronization routines while the high-speed PWM drives the power stage and the ADC monitors panel voltage, current, and grid conditions. Digital control enables per-panel MPPT optimization and firmware-field-updatable grid codes, a key advantage over fixed analog solutions. The extended -40C to +125C operating range of the E-grade part accommodates rooftop junction boxes exposed to direct sunlight. Designers should budget Flash carefully in 64KB, or select the same-package 128KB GS505 variant for complex grid-tie firmware with communications stacks.
Recomendado
Digital Lighting and Electronic Ballasts
High-intensity and specialty lighting ballasts require precise lamp-current regulation, ignition sequencing, and fault protection, all of which the dsPIC33EP64GS505 delivers in firmware. The interconnected high-speed PWM generates resonant-half-bridge drive with adjustable dead time, the ADC samples lamp voltage and current for closed-loop power control, and hardware comparators catch open-lamp or short-circuit faults within a cycle. Digital dimming profiles and communication (DALI-style) protocols fit within the 64KB Flash, replacing dedicated ballast ASICs with a single programmable controller. The 48-TQFP exposed-pad package with extended temperature rating withstands the elevated ambient temperatures typical of enclosed luminaire drivers, supporting long product lifetimes in industrial and commercial installations.
Recomendado
Uninterruptible Power Supplies (UPS)
Line-interactive and online UPS topologies demand simultaneous control of rectifier, inverter, and transfer stages - a workload the dsPIC33EP64GS505 handles with its 70 MIPS DSP core and multi-channel high-speed ADC. Interconnected PWM modules drive the inverter bridge with sinusoidal modulation while firmware supervises battery charging profiles, line synchronization, and transfer logic. On-chip comparators provide hardware-level protection against output overcurrent and DC bus overvoltage independent of software latency. The extended -40C to +125C E-grade temperature rating supports UPS cabinets in unconditioned industrial sites. With 64KB Flash, full single-phase UPS control including compensation, sequencing, and host communications is achievable, and the same-footprint 128KB variant provides headroom for multi-mode firmware.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33EP64GS505-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33EP64GS505-I/PT | DSPIC33EP128GS505-E/PT | DSPIC33EP128GS505-I/PT |
|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) EP | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB | 128 KB | 128 KB |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Digital Power Peripherals | High-speed PWM, HS ADC + PGA, DAC, comparators | Identical peripheral set | Identical peripheral set | Identical peripheral set |
| Target Application | Digital Power SMPS, AC-DC, PFC | Digital Power SMPS (industrial ambient) | Digital Power SMPS with larger firmware | Digital Power SMPS, cost-optimized |
| Lifecycle Status | In Production (active) | In Production | In Production | In Production |
Principais diferenciais
- Extended temperature rating for harsh environments (vs DSPIC33EP64GS505-I/PT)
- Purpose-built digital power peripheral interconnect (vs DSPIC33FJ32MC204-I/PT)
- Balanced 64KB Flash cost point (vs DSPIC33EP128GS505-E/PT)
Notas de projeto
Confirm the temperature grade before substitution: the E in DSPIC33EP64GS505-E/PT denotes -40C to +125C extended range, while the I-grade variant is limited to -40C to +85C. Swapping in the cheaper I-grade for an extended-temperature design is a common sourcing error that surfaces only in field failures. Similarly, the /PT suffix specifies the 48-pin TQFP; ordering /MR (QFN) parts will not fit the same land pattern. Always cross-check the full ordering code, not just the core number.
The /PT package is a 48-TQFP with exposed pad (7x7 mm). Solder the exposed pad to a grounded copper pour to improve thermal dissipation and reduce noise on the analog front end - the high-speed ADC and PGA performance depends on a clean analog ground. Separate power-stage returns from the DSC analog ground and join them at a single star point. Keep PWM gate-drive traces short and route ADC sense lines away from switching nodes to preserve the converter's control-loop accuracy.
Plan firmware Flash consumption early: the GS505 provides 64KB of program memory, and full digital-power control (compensators, protection state machines, telemetry, and any communication protocol) can approach that limit. If your control scheme includes grid codes or a comms stack, evaluate the same-package DSPIC33EP128GS505-E/PT (128KB Flash) from the start - it is pin-compatible and costs marginally more, avoiding a mid-project BOM change. Use Microchip's 350W Interleaved PFC reference design as a firmware baseline to reduce integration risk.
Informações de conformidade
Exact RoHS/REACH/lead-free certificate values were not present in the verified web data captured for this page. Microchip lists the part status as In Production; verify compliance declarations on the official Microchip product page or request a certificate of conformance from the distributor.
