DSPIC33EP64GS504T-I/ML - 16-bit 70 MIPS DSC | Microchip Technology
部品番号: DSPIC33EP64GS504T-I/ML ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.08 | $5.08 |
| 10 | $4.65 | $46.50 |
| 100 | $4.2 | $420.00 |
| 500 | $3.85 | $1,925.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33EP64GS504T-I/ML 概要
A Digital Signal Controller combines a microcontroller (MCU) with DSP processing capability in a single silicon device. Within the power-management hierarchy, a DSC such as the dsPIC33EP64GS504 replaces analog control loops with firmware-executed control, serving as the brain of a digital switch-mode power supply alongside drivers, MOSFETs and sensing circuits.
Key features include high-speed analog peripherals purpose-built for power conversion: fast ADCs for multi-loop current and voltage sensing, on-chip DACs, and PWM engines supporting advanced topologies. The device is designated by Microchip as a Functional Safety (FuSa) capable part, simplifying safety-oriented system design.
Technically, the dsPIC33E core executes an enhanced 16-bit RISC instruction set with DSP instructions (MAC, DSP multiply) at 70 MIPS, enabling tight control-loop deadlines for peak-current-mode and multi-phase converters. 64 KB of self-programmable Flash supports field firmware updates, and the QFN exposed pad provides low-inductance grounding critical for switching-noise immunity.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, and multi-loop digital SMPS in industrial, telecom and server power systems.
Design consideration: budget the exposed thermal/electrical pad connection carefully on the PCB; a solid ground plane under the QFN improves both heat dissipation and ADC accuracy in high dv/dt switching environments.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical digital-power design notes not found in the manufacturer datasheet.
ドロップイン代替品: DSPIC33EP64GS504T-I/ML — 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: DSPIC33EP64GS504T-I/ML （同一形状・フットプリント） — 相違点: Package, Core, Operating Temperature, Flash Program Memory, Functional Safety Support.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP64GS504-I/ML
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.45 / 個
データシートを見る →DSPIC33EP64GS504T-E/ML
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP64GS504-E/ML
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.35 / 個
データシートを見る →DSPIC33EP64GP504T-E/TL
✅ ドロップイン✓ 在庫あり
$3.5 / 個
データシートを見る →DSPIC33EP64GS504T-I/ML 最大定格＆電気的特性
| Core | dsPIC33E 16-bit RISC with DSP |
| Maximum CPU Speed | 70 MIPS |
| Flash Program Memory | 64 KB (64K x 8) |
| 電源電圧 | 3.3 V (3V to 3.6V) |
| パッケージ | 44-QFN (8x8 mm) with exposed pad |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +85C (I grade) |
| Packaging | Tape and Reel (T suffix) |
| Product Family | dsPIC33EPXXGS50X Digital Power SMPS DSC |
| High-Speed ADC | Yes |
| DAC | Yes |
| Functional Safety Support | Yes (FuSa) |
| Target Applications | SMPS and Digital Power Conversion |
| RoHS ステータス | Compliant (lead-free, per standard Microchip QFN offering) |
| ピン数 | 44 |
DSPIC33EP64GS504T-I/ML 44-qfn (8x8 mm) with exposed pad ピン配置ガイド
DSPIC33EP64GS504T-I/ML (44-qfn (8x8 mm) with exposed pad 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: DSPIC33EP64GS504T-I/ML.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP64GS504T-I/ML の用途: 6 件s: AC-DC Power Supply Control, DC-DC Converter Control, Power Factor Correction (PFC), Multi-Loop Digital SMPS, Industrial Automation Power Stages, Telecom and Server Power.
AC-DC Power Supply Control
The DSPIC33EP64GS504T-I/ML is explicitly listed by Microchip as supporting AC-to-DC converter applications. Its 70 MIPS DSP core executes voltage and current control loops for PFC and secondary-side regulation, while the high-speed ADC samples switch currents synchronized to the SMPS PWM events. Using one programmable DSC replaces multiple dedicated analog controllers, enabling firmware-updatable output characteristics and digital telemetry. The 44-QFN 8x8 exposed pad grounds the controller to the power ground plane, reducing switching-noise coupling into the analog front end in compact flyback and LLC designs.
おすすめ
DC-DC Converter Control
For DC-to-DC stages such as buck, boost and half-bridge converters, the GS504's SMPS-optimized PWM peripherals with high resolution and the on-chip DAC comparators implement fast peak-current-mode control. The 70 MIPS dsPIC33E core closes the outer voltage loop in firmware while hardware handles per-cycle current limiting. The high-speed ADC's simultaneous sampling capability captures input, output and current sense channels with deterministic latency, keeping phase margin predictable. The 3.3 V QFN controller is typically placed on the controller side of an isolation boundary with optocoupler or digital isolator feedback.
おすすめ
Power Factor Correction (PFC)
Microchip's dsPIC33EPXXGS50X family targets power factor correction among its headline digital-power applications. In a boost-PFC stage the GS504 samples input voltage, inductor current and output bus with its high-speed ADC, computes the current reference envelope, and drives the PFC switch through the SMPS PWM module - achieving power factors above 0.99 in reference designs. The 70 MIPS headroom accommodates harmonic compensation and feedforward algorithms while remaining below 50 percent CPU load. The -40C to +85C industrial rating of the -I/ML grade suits telecom rectifier front ends and industrial AC supplies.
おすすめ
Multi-Loop Digital SMPS
The GS50X family was architected specifically for common multi-loop digital switch-mode power supplies, per Microchip's product overview. Multiple fast control loops - voltage mode outer loop plus per-phase current loops - run concurrently using the SMPS PWM engine and ADC-triggered sampling. The 64 KB Flash holds both control firmware and compensation tables, and the on-chip DACs set comparators for cycle-by-cycle protection. Digital implementation allows runtime tuning of loop gains, soft-start profiles and fault thresholds without hardware changes, which shortens development cycles in server and telecom power platforms.
おすすめ
Industrial Automation Power Stages
Industrial drives, PLC power modules and automation cabinets embed digital power conversion controlled by the GS504. Its Functional Safety (FuSa) designation, noted by DigiKey, supports safety-oriented power architectures required in machinery. The 70 MIPS DSP core also handles motor-adjacent control tasks (e.g., servo drive power stages) while the 64 KB Flash stores application logic. The -40C to +85C operating range and surface-mount 44-QFN (8x8) footprint allow automated assembly on standard industrial SMT lines, and tape-and-reel supply supports high-volume manufacturing with pick-and-place equipment.
おすすめ
Telecom and Server Power
Telecom rectifiers and server PSUs demand high efficiency, telemetry and hot-swap behavior - all served by firmware control on the GS504. The DSC implements PFC plus LLC control, digital current sharing between paralleled modules, and PMBus-style reporting over its serial peripherals. With 70 MIPS and hardware DSP MAC instructions, loop bandwidths sufficient for >100 kHz switching are achievable. The QFN exposed-pad package provides low-inductance grounding that keeps ADC readings clean in high dv/dt environments typical of 48 V server power shelves, and the -I temperature grade covers equipment-room ambient extremes.
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: DSPIC33EP64GS504T-I/ML — 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 | DSPIC33EP64GS504-I/ML | DSPIC33EP64GS504T-E/ML | DSPIC33EP64GP504T-E/TL |
|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) ML | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | UQFN-44 (different body, GS peripherals absent) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB (64K x 8) | 64 KB | 64 KB | 64 KB |
| Supply Voltage | 3.3 V (3V to 3.6V) | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C | -40C to +125C | -40C to +125C |
| SMPS ADC/DAC Peripherals | Yes (GS digital-power family) | Yes | Yes | No (GP family) |
| Packaging Option | Tape & Reel (T) | Tube/sleeve | Tape & Reel (T) | Tape & Reel (T) |
主な差別化要因
- Dedicated digital-power analog subsystem （vs DSPIC33EP64GP504T-E/TL)
- Extended-temperature drop-in availability （vs DSPIC33EP64GS504T-E/ML)
- Tape-and-reel supply for volume manufacturing （vs DSPIC33EP64GS504-I/ML)
設計ノート
The 44-QFN (8x8) exposed pad is the primary ground return and heat path. Connect it to the PCB ground plane through a filled array of vias (typically 5x5 grid under the pad). A poor exposed-pad connection raises ground bounce and corrupts ADC readings synchronized to PWM switching events. Follow Microchip's QFN layout guidelines in the GS504 datasheet layout section, and keep analog sense routing away from switch-node traces.
The device operates from a 3V to 3.6V rail; design the 3.3 V supply with bulk (10 uF) plus local (0.1 uF) decoupling on each VDD pin. In SMPS environments, place an RC filter or ferrite between the noisy power ground rail and the DSC supply to protect ADC accuracy. Estimated: at 70 MIPS the core draws tens of mA - negligible thermally (tens of mW), but supply ripple must stay well below the ADC LSB for control-loop precision.
Do not substitute GP-family dsPIC33EP parts (e.g., DSPIC33EP64GP504) for the GS504: the SMPS high-speed ADC, DAC and PWM modules differ, and firmware built on Microchip's digital-power libraries will not link. Verify the exact temperature suffix (-I vs -E) against your worst-case ambient; the -I grade tops out at +85C. Confirm tape-and-reel quantity (standard full reel) matches your production batch to avoid cut-tape handling fees.
コンプライアンス情報
RoHS/lead-free per Microchip standard green packaging for current dsPIC33EP QFN devices; formal REACH, halogen-free and conflict-minerals declarations should be obtained from Microchip's compliance documentation portal.
