DSPIC33EP64GS502T-E/SO - 16-Bit 70MIPS Digital Power DSC | Microchip
部品番号: DSPIC33EP64GS502T-E/SO ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $4.5 | $4.50 |
| 10 | $4.1 | $41.00 |
| 100 | $3.65 | $365.00 |
| 500 | $3.3 | $1,650.00 |
| 1,000 | $2.95 | $2,950.00 |
DSPIC33EP64GS502T-E/SO 概要
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above basic PWM microcontrollers: it closes high-bandwidth control loops in firmware, replacing analog compensation networks in AC-DC converters, DC-DC converters, and power factor correction stages. The dsPIC33EP GS family is Microchip's dedicated digital-power branch of the broader dsPIC33EP 16-bit controller line.
Key differentiating features include the Interconnected High-Speed PWM module, which provides cycle-by-cycle current limiting, dead-time insertion, and multi-loop interconnection for phase-shifted and resonant topologies. An onboard analog complement of high-speed ADC, programmable gain amplifiers (PGA), and analog comparators enables ultra-fast current-mode control without external signal-conditioning circuitry.
Architecturally, the device integrates a DSP-enhanced 16-bit core with hardware multiply-accumulate, making loop-update routines efficient enough to run compensation algorithms at PWM frequencies typical of modern converters. The device is positioned by Microchip as Functional Safety (FuSa) capable, supporting safety-oriented digital power designs, and is qualified for the extended -40C to +125C (E) temperature range required in industrial power stages.
Typical applications include AC-DC power factor correction (PFC), LLC resonant converters, solar microinverters, battery chargers, and digitally controlled LED drivers. The 28-pin SOIC footprint suits compact auxiliary power and single/two-channel converter designs.
Design consideration: budget PCB copper around the controller and verify ADC sampling alignment with the PWM trigger because loop stability in digital power depends on sampling-to-PWM latency as much as on control-law design.
This page synthesizes distributor pricing data, drop-in alternatives across the dsPIC33EP GS/GP/MC families, and practical digital-power design notes not found in the manufacturer datasheet.
ドロップイン代替品: DSPIC33EP64GS502T-E/SO — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSPIC33EP64GS502T-E/SO （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Core, Functional Safety Support, Packaging.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP64GS502T-I/SO
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP64GS502-E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.3 / 個
データシートを見る →DSPIC33EP32GS502-E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.55 / 個
データシートを見る →DSPIC33EP64GP502-E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.26 / 個
データシートを見る →DSPIC33EP64MC502-E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.65 / 個
データシートを見る →DSPIC33EP64GS502T-E/SO 最大定格＆電気的特性
| Core | dsPIC33EP 16-bit DSC |
| Maximum Operating Frequency / Performance | 70 MIPS |
| Flash Memory | 64 KB (64K x 8) |
| パッケージ | 28-SOIC (0.3 in wide body) |
| 実装タイプ | Surface Mount |
| 動作温度範囲 | -40C to +125C (E grade) |
| Target Application Family | SMPS & Digital Power Conversion DSC |
| PWM Module | Interconnected High-Speed PWM |
| Analog Peripherals | High-Speed ADC, PGA, Comparators |
| Functional Safety Support | Yes (FuSa) |
| Packaging | Tape & Reel (T/R) |
| RoHS ステータス | Compliant |
DSPIC33EP64GS502T-E/SO 28-soic (0.3 in wide body) ピン配置ガイド
DSPIC33EP64GS502T-E/SO (28-soic (0.3 in wide body) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: DSPIC33EP64GS502T-E/SO.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP64GS502T-E/SO の用途: 6 件s: AC-DC Power Factor Correction (PFC), LLC Resonant Converter Control, Solar Microinverter Control, Digitally Controlled LED Drivers, Battery Charger and BMS Front-End, Auxiliary and Server Standby Power Supplies.
AC-DC Power Factor Correction (PFC)
The DSPIC33EP64GS502T-E/SO fits boost and interleaved PFC stages because its Interconnected High-Speed PWM supports phase-shifted and interleaved topologies with automatic dead-time control, while the fast ADC-plus-PGA path samples inductor current for average-current-mode control. Microchip demonstrates this use case with an Interleaved PFC reference design delivering up to 350 W from universal AC input on SMPS dsPIC controllers. In circuit terms, the DSC replaces analog multiplier and error-amplifier chains with firmware compensation running on the DSP-enhanced core at up to 70 MIPS; the trade-off versus a purely analog PFC is firmware development effort in exchange for programmable harmonic shaping and adaptive protection. Place the current-sense shunt close to the PGA inputs to preserve signal-to-noise ratio at the converter's switching frequency.
おすすめ
LLC Resonant Converter Control
LLC converters demand precisely controlled variable-frequency PWM pairs with deterministic dead time, which the Interconnected High-Speed PWM module of the DSPIC33EP64GS502T-E/SO provides natively, including complementary outputs and hardware dead-time insertion. The integrated analog comparators implement cycle-by-cycle overcurrent protection without CPU intervention, a critical fault-response mechanism at resonant switching frequencies where software-only protection is too slow. The 70 MIPS core updates the modulator frequency each switching cycle to regulate the output across load transients. A design consideration is sampling synchronization: trigger ADC conversions aligned with the resonant tank phase to avoid averaging ripple artifacts into the feedback loop, preserving control-loop bandwidth and output regulation accuracy in server and industrial 400 V bus converters.
おすすめ
Solar Microinverter Control
Grid-tied microinverters require simultaneous MPPT control on the DC side and synchronized current injection on the AC side, a dual-loop burden well matched to the DSPIC33EP64GS502T-E/SO's 70 MIPS DSP core and hardware math support. The high-speed ADC with PGA can condition both panel current/voltage sensing and grid current feedback through the same 28-SOIC controller, reducing component count in compact enclosure-limited designs. Firmware implements MPPT algorithms and grid synchronization while the Interconnected PWM drives the power stages with phase management suited to interleaved topologies. The -40C to +125C E-grade temperature rating tolerates rooftop thermal environments. Ensure the ADC sampling scheme and PWM triggers are co-scheduled so MPPT sampling does not disturb the current-control loop's deterministic timing.
おすすめ
Digitally Controlled LED Drivers
High-power LED lighting benefits from digital control of dimming, color mixing, and fault management, and the DSPIC33EP64GS502T-E/SO provides multi-channel high-speed PWM suited to independent LED string regulation in a compact 28-SOIC footprint. The comparators provide fast open-circuit and short-circuit string protection through cycle-by-cycle current limiting, while the 64 KB flash stores dimming curves, communication protocols, and thermal-derating tables. The -40C to +125C operating range covers outdoor and industrial luminaire environments per the extended E-grade qualification. Compared with analog LED driver ICs, the DSC adds programmability for DALI/DMX-type interfaces at the cost of firmware effort; verify that PWM resolution at the chosen dimming frequency meets flicker requirements before committing the loop-update rate.
おすすめ
Battery Charger and BMS Front-End
Multi-chemistry battery chargers use the DSPIC33EP64GS502T-E/SO to implement CC/CV charging profiles, termination detection, and fault logging in firmware, driving the charging power stage through the Interconnected High-Speed PWM. The high-speed ADC samples battery voltage and current rapidly enough to detect termination conditions accurately, and the PGA amplifies small shunt signals without an external amplifier, reducing BOM cost. The 64 KB flash accommodates charge algorithms for multiple chemistries plus datalogging for warranty analytics, and the extended temperature grade suits automotive-adjacent and industrial chargers. Designers should schedule ADC sampling between PWM switching edges to avoid switching-noise corruption of current measurements, and use the hardware comparators as a redundant hardware overcurrent layer independent of the firmware loop.
おすすめ
Auxiliary and Server Standby Power Supplies
Compact flyback and buck-derived auxiliary converters inside servers and industrial equipment use the DSPIC33EP64GS502T-E/SO where digital telemetry, programmable sequencing, and firmware-adjustable protection thresholds justify a DSC over fixed-frequency controller ICs. The 28-pin SOIC (0.3 in) footprint is compatible with dense single-sided power boards, and the 70 MIPS core closes voltage-mode or current-mode loops at conventional auxiliary frequencies with margin. The Functional Safety (FuSa) positioning of the dsPIC33EP family supports designs migrating toward monitored, fault-reporting power architectures. A practical trade-off is standby power: budget controller consumption against no-load efficiency targets, and use the PWM module's low-power states plus selective peripheral clock gating in firmware to meet energy-efficiency requirements during light-load operation.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: DSPIC33EP64GS502T-E/SO — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | DSPIC33EP64GS502T-I/SO | DSPIC33EP32GS502-E/SO | DSPIC33EP64GP502-E/SO | DSPIC33EP64MC502-E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (0.3 in) | 28-SOIC (0.3 in) - same | 28-SOIC (0.3 in) - same | 28-SOIC (0.3 in) - same | 28-SOIC (0.3 in) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| Digital Power Peripherals (Interconnected High-Speed PWM, PGA, Comparators) | Yes | Yes | Yes | No (general-purpose peripherals) | Motor-control PWM variant |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Target Application | SMPS / digital power conversion | SMPS / digital power conversion | SMPS / digital power conversion | General-purpose embedded control | Motor control |
主な差別化要因
- SMPS-optimized analog subsystem integrated on-chip （vs DSPIC33EP64GP502-E/SO)
- Extended temperature qualification for power-stage environments （vs DSPIC33EP64GS502T-I/SO)
- Memory headroom for multi-loop firmware （vs DSPIC33EP32GS502-E/SO)
- Same-footprint downgrade/upgrade path within one PCB （vs DSPIC33EP64MC502-E/SO)
設計ノート
In digital-power layouts, keep the DSC's analog reference and ground returns physically separated from power-stage switching loops. Place 0.1 uF decoupling capacitors at every VDD/VDDCORE pin within 2-3 mm of the pin, and use a continuous ground plane under the controller. Route current-sense signals differentially into the PGA inputs with Kelvin connections at the shunt. Per Microchip layout guidance for the dsPIC33EP GS family, short, direct PWM traces to gate drivers reduce ringing that can couple into ADC sampling.
Loop stability in digital power depends on total latency from ADC sampling to PWM duty update. Trigger ADC conversions synchronized to PWM events (e.g., mid-ramp) so switching noise does not alias into the control loop, and keep the interrupt service routine for loop update deterministic. The 70 MIPS core provides headroom, but verify loop-update timing in the simulator or on hardware before finalizing compensation gains, since any cycle-stealing by communication tasks degrades phase margin.
The -E suffix denotes the extended -40C to +125C range; substituting an -I grade part in a high-temperature power stage risks field failures. Also, when swapping to the 32 KB DSPIC33EP32GS502-E/SO for cost reduction, confirm that compiled firmware plus bootloader fits with margin, since flash-percentage headroom affects future feature updates. Program configuration bits (oscillator, watchdog, PWM fault mapping) deliberately - default configuration on SMPS-oriented PWM modules can differ from general-purpose parts.
コンプライアンス情報
RoHS compliance indicated by standard Microchip packaging for current production dsPIC33EP devices; detailed REACH/halogen declarations should be confirmed from Microchip's official product page.
