DSPIC33EP32GS502-E/SO - 16-bit 60MIPS DSC 32KB | Microchip
Артикул: DSPIC33EP32GS502-E/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.44 | $4,44 |
| 10 | $4.2 | $42,00 |
| 100 | $3.98 | $398,00 |
| 500 | $3.75 | $1.875,00 |
| 1.000 | $3.55 | $3.550,00 |
DSPIC33EP32GS502-E/SO Обзор
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral set and ease of use of a microcontroller. In the power-management hierarchy, the DSC sits at the heart of a closed-loop SMPS system, replacing analog control loops with firmware-based digital control, enabling adaptive algorithms, soft-start profiles, and real-time telemetry in a single power management IC.
Key features of the DSPIC33EP32GS502 include an interconnected high-speed PWM module designed for power conversion topologies, a high-speed analog-to-digital converter, on-chip DACs, programmable gain amplifiers (PGA), and analog comparators - the interconnected analog front end the manufacturer datasheet highlights as 'interconnected High-Speed PWM, ADC, PGA and Comparators.' The part also carries Microchip's Functional Safety (FuSa) support designation.
Architecturally, the dsPIC33EP core executes an enhanced 16-bit instruction set with DSP multiply-accumulate instructions, allowing single-cycle MAC operations for control-law computation. Tight coupling between the ADC and PWM enables trigger-synchronized sampling at the midpoint of the switching period, minimizing control-loop latency in peak-current-mode or voltage-mode converters.
Typical applications include AC-DC power supplies, power factor correction (PFC) stages, DC-DC converters, digital lighting ballasts, battery chargers, and solar micro-inverters. Microchip publishes an interleaved PFC reference design for this family.
Design consideration: the -E temperature variant (-40C to +125C) makes this part suitable for automotive-adjacent and industrial environments; confirm decoupling and SOIC thermal pad copper area for high switching-frequency designs.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Аналоги без доработки для DSPIC33EP32GS502-E/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с DSPIC33EP32GS502-E/SO (тот же форм-фактор и посадочное место) — отличается по Package, Functional Safety Support, Operating Temperature, Qualification, Packaging.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33EP32GS502-I/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
DSPIC33EP64GS502
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP16GS502
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP32GP502T-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.42 / шт.
Открыть даташит →DSPIC33EP32GS502-E/SO Максимальные параметры и электрические характеристики
| Core Architecture | 16-bit dsPIC33EP DSC |
| Max CPU Speed | 60 MIPS |
| Program Memory (FLASH) | 32 KB (32K x 8) |
| Корпус | 28-SOIC |
| Рабочая температура | -40C to +125C (E grade) |
| Напряжение питания | 3 V to 3.6 V |
| Application Focus | Digital Power / SMPS |
| Functional Safety Support | Yes (FuSa designated) |
| High-Speed PWM | Interconnected High-Speed PWM module |
| High-Speed ADC | Yes |
| DAC | Yes (on-chip) |
| Programmable Gain Amplifier | Yes (PGA) |
| Comparators | Yes (analog comparators) |
| Тип монтажа | Surface Mount |
| Datasheet Length | 390 pages |
Руководство по цоколевке DSPIC33EP32GS502-E/SO в корпусе 28-soic
Цоколевка для DSPIC33EP32GS502-E/SO (корпус 28-soic). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для DSPIC33EP32GS502-E/SO.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
DSPIC33EP32GS502-E/SO подходит для 6 применениеs: AC-DC Digital Power Supplies, Interleaved Power Factor Correction, DC-DC Converters and Point-of-Load Regulation, Digital LED Drivers and Lighting Ballasts, Battery Chargers and Power Conversion Telemetry, Solar Micro-Inverters and Renewable Power Conversion.
AC-DC Digital Power Supplies
The DSPIC33EP32GS502-E/SO fits AC-DC power supplies because its interconnected high-speed PWM generates phase-shifted or complementary switching outputs while the high-speed ADC samples output voltage and current synchronously with PWM triggers, closing the digital control loop with minimal latency. In a typical flyback or LLC converter, the controller runs a firmware PID loop at the switching frequency, replacing optocoupler-based analog feedback with digital precision and enabling programmable soft-start, burst mode, and fault protection. Placed on the secondary or primary side with its PGA conditioning current-sense signals, it delivers adaptive control that analog controllers cannot reconfigure. The trade-off versus a dedicated analog PWM controller is firmware development effort and the 3.0-3.6 V supply requirement, offset by full design reusability across power ratings.
Рекомендуется
Interleaved Power Factor Correction
The DSPIC33EP32GS502-E/SO is well suited to interleaved PFC because Microchip provides an interleaved PFC reference design for the SMPS dsPIC family, and the interconnected high-speed PWM can drive two interleaved boost phases with programmable phase offset. The high-speed ADC samples each phase inductor current at mid-PWM-ramp, and the comparators support fast cycle-by-cycle overcurrent protection without CPU intervention. At 60 MIPS, the core sustains average-current-mode PFC loops at typical 65-300 kHz switching frequencies while tracking the rectified line waveform for near-unity power factor. The digital approach allows per-phase current balancing in firmware, something analog PFC controllers implement poorly. Design consideration: budget core headroom during line zero-crossings where control effort peaks, and use the extended -E temperature grade inside sealed adapter enclosures.
Рекомендуется
DC-DC Converters and Point-of-Load Regulation
For synchronous buck, boost, and buck-boost DC-DC converters, the DSPIC33EP32GS502-E/SO provides the complete digital control chain in one 28-pin device: the high-speed PWM produces the switching waveform with sub-nanosecond-class resolution and dead-time control, the high-speed ADC samples VOUT and inductor current on PWM triggers, and the on-chip DAC and comparators implement fast threshold protection. The PGA amplifies low-level shunt signals before conversion, removing an external op-amp stage. Digital control enables output-voltage telemetry, adaptive voltage positioning, and firmware-tunable loop compensation across load ranges - advantages that analog point-of-load controllers cannot offer. The 3.0-3.6 V operating window requires a small bias LDO in 5 V or 12 V input systems, adding minor BOM cost relative to the flexibility gained.
Рекомендуется
Digital LED Drivers and Lighting Ballasts
The DSPIC33EP32GS502-E/SO suits high-power LED drivers because the high-speed PWM supports both switching control and dimming resolution, while the ADC and comparators provide output-current regulation and fast short-circuit protection. Constant-current loops at 50-300 kHz are handled by firmware control using the 60 MIPS DSP core with single-cycle MAC instructions for efficient proportional-integral computation. Digital implementation enables smooth 0-100% dimming curves, temperature-derating of LED current using the ADC inputs, and communication-ready architectures (DALI or DMX front ends via the serial peripherals). The -E grade (-40C to +125C) addresses luminaire environments where ambient temperatures near the driver electronics routinely exceed 85C. Trade-off: LED flicker performance depends on loop bandwidth, so verify PWM resolution against target dimming depth during design.
Рекомендуется
Battery Chargers and Power Conversion Telemetry
The DSPIC33EP32GS502-E/SO is a strong fit for smart battery chargers: the high-speed PWM controls the charging power stage (buck or flyback), the high-speed ADC tracks battery voltage, current, and temperature, and the DAC/comparator pair provides hardware overvoltage cutoffs independent of firmware. Charging profiles - CC/CV, taper, temperature-gated - are simply firmware state machines, enabling one hardware platform across lithium-ion, lead-acid, and nickel chemistries. The DSP core leaves headroom for coulomb counting and communication protocols for charger-to-host telemetry. Its 32 KB FLASH accommodates the charging algorithm plus protocol stack with room to spare. The key design consideration is ADC sampling synchronization: trigger conversions on PWM events to avoid switching-noise corruption of current readings, per the interleaving guidance in the manufacturer's digital-power reference designs.
Рекомендуется
Solar Micro-Inverters and Renewable Power Conversion
In solar micro-inverters and small renewable converters, the DSPIC33EP32GS502-E/SO handles maximum-power-point-tracking (MPPT) and grid-current control simultaneously: the high-speed PWM drives the power stage(s), the high-speed ADC samples panel voltage/current and grid waveforms, and the 60 MIPS DSP core executes MPPT perturb-and-observe or incremental-conductance algorithms with single-cycle MAC operations. Firmware-defined control allows the same silicon to serve different grid codes and panel configurations - a decisive advantage over fixed-function analog controllers. The interconnected ADC-to-PWM triggering minimizes phase latency in the current loop, which is critical for grid-distortion compliance. The extended -40C to +125C temperature range of the -E grade suits outdoor enclosure mounting near hot power stages. Verify isolated-gate-driver propagation delay budgeting alongside the digital control latency in your loop-stability analysis.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33EP32GS502-E/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33EP32GS502-I/SO | DSPIC33EP64GS502 | DSPIC33EP16GS502 | DSPIC33EP32GP502T-E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit DSC, 60 MIPS | 16-bit DSC, 60 MIPS | 16-bit DSC, 60 MIPS | 16-bit DSC, 60 MIPS | 16-bit MCU, 60 MIPS |
| FLASH Memory | 32 KB | 32 KB | 64 KB | 16 KB | 32 KB |
| High-Speed PWM / Digital-Power Peripherals | Yes (GS: PWM + ADC + PGA + comparators + DAC) | Yes (identical GS set) | Yes (identical GS set) | Yes (identical GS set) | No (GP variant, standard peripherals only) |
| SMPS Suitability | Purpose-built | Purpose-built | Purpose-built | Purpose-built | Not recommended for SMPS |
Ключевые отличия
- Extended -40C to +125C temperature range (против DSPIC33EP32GS502-I/SO)
- Interconnected digital-power analog front end (против DSPIC33EP32GP502T-E/SO)
- Footprint-upgradeable memory path (против DSPIC33EP64GS502)
Заметки по проектированию
The DSPIC33EP32GS502-E/SO operates from 3.0 V to 3.6 V. In 5 V or 12 V systems, derive the controller rail with a small 3.3 V LDO (e.g., MCP1702 family) or a wide-VIN buck. Decouple every VDD pin with 100 nF ceramic placed within a few millimeters of the pin, plus bulk capacitance near the package. In SMPS layouts, keep the controller's analog ground star-connected away from power-stage return currents to prevent ADC ground-bounce errors. Estimated: at 60 MHz operation, core supply current is in the tens-of-milliamps class per typical dsPIC33EP family figures - budget regulator headroom accordingly.
All VDD and VSS pins must be connected, per Microchip's ICSP programming requirements. Route the PGECx/PGEDx pair you select for ICSP as matched, short traces to a programming header - the device has multiple pairs and they must not be mixed (PGEC2 with PGED2, for example). Keep the high-speed ADC input traces short, guarded by ground, and physically separated from high-dv/dt switch nodes and gate-drive traces. Reference the manufacturer's interleaved PFC reference design layout for a proven example of separating the digital controller region from the power stage on a two-layer board.
Two frequent mistakes with the GS family: (1) triggering ADC conversions free-running instead of on PWM events, which corrupts current readings with switching noise - always synchronize sampling to the PWM period per the digital-power reference designs; (2) swapping temperature grades (E vs I) without re-checking worst-case enclosure temperatures - the -I variant tops out at +85C versus +125C for the -E variant, and power supplies commonly exceed 85C near hot components. Also confirm device ID after programming when substituting family members (16/32/64 KB variants), as toolchains key off the exact part number.
Информация о соответствии
Compliance data was not present in the verified web data. Consult the Microchip product page for current RoHS/REACH environmental declarations for this exact ordering code.
