DSPIC33EP128GS706T-I/PT - 16-bit 70 MIPS DSC 128KB Flash | Microchip
部品番号: DSPIC33EP128GS706T-I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.52 | $55.20 |
| 100 | $4.89 | $489.00 |
| 500 | $4.41 | $2,205.00 |
| 1,000 | $3.98 | $3,980.00 |
DSPIC33EP128GS706T-I/PT 概要
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and control peripherals of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, providing deterministic single-cycle MAC (multiply-accumulate) operations, fast interrupts, and dedicated control-loop peripherals. The dsPIC33EP GS family is purpose-built for digital power conversion, where firmware executes closed-loop control at switching frequencies of hundreds of kilohertz.
Key features include a 16-bit modified Harvard architecture core running at 70 MIPS from a 60 MHz external clock, up to 85 general-purpose I/Os, and specialized analog peripherals for power conversion including high-speed ADCs and analog comparators with dedicated PWM support. The device also carries Microchip's Functional Safety (FuSa) package qualification per DigiKey listings, supporting safety-critical designs.
Technically, the dsPIC33EP core features DSP-engine single-cycle multiply-accumulate, 16 x 16-bit multiply with 32/40-bit accumulate, dual address generators, and hardware divide support. Flash is ECC-enabled and the device supports in-circuit programming via ICSP and debugging via the 5-wire interface. The GS70x subfamily adds SMPS-optimized peripherals: multiple high-resolution PWM modules with complementary outputs, dead-time insertion, fault inputs, and ADC-comparator triggering synchronized to the PWM timebase for cycle-by-cycle current limiting.
Typical applications include AC-DC and DC-DC switch-mode power supplies, interleaved power factor correction (Microchip's 350W interleaved PFC reference design targets this family), digital lighting ballasts, battery chargers, solar micro-inverters, and motor control for industrial automation.
Design consideration: the core requires a 3.0V to 3.6V supply, so pair the part with a 3.3V LDO rated for at least 100 mA and follow the datasheet decoupling guidance for the PWM-heavy pin loading typical of digital power designs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: DSPIC33EP128GS706T-I/PT — 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: DSPIC33EP128GS706T-I/PT （同一形状・フットプリント） — 相違点: Core, Operating Temperature, Package, Packaging, RAM.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP128GS706T-E/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP128GS706-I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP256GS706
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP64GS706
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP128GM306-E/PT
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$6.15 / 個
データシートを見る →DSPIC33EP128GS706T-I/PT 最大定格＆電気的特性
| Core | 16-bit dsPIC33EP |
| Maximum CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Flash Memory | 128 KB (43K x 24) |
| RAM | 8 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| パッケージ | 64-TQFP (10x10 mm) |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +85C (I grade) |
| Product Family | dsPIC33EP GS (SMPS & Digital Power Conversion) |
| Packaging | Tape & Reel (T suffix) |
| RoHS ステータス | RoHS3 Compliant |
| Functional Safety | FuSa qualified variant (per DigiKey listing) |
| Programming Interface | ICSP / In-Circuit Debug |
| Typical Applications | SMPS, digital power conversion, motor control |
| Extended Temperature Variant | DSPIC33EP128GS706T-E/PT (-40C to +125C, AEC-Q100) |
DSPIC33EP128GS706T-I/PT 64-tqfp (10x10 mm) ピン配置ガイド
DSPIC33EP128GS706T-I/PT (64-tqfp (10x10 mm) 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: DSPIC33EP128GS706T-I/PT.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP128GS706T-I/PT の用途: 6 件s: AC-DC Switch-Mode Power Supplies, Interleaved Power Factor Correction, Solar Micro-Inverters and Battery Chargers, Industrial Motor Control, Digital Lighting Ballasts and LED Drivers, Embedded Automation and Metering.
AC-DC Switch-Mode Power Supplies
The DSPIC33EP128GS706T-I/PT is purpose-built by Microchip as an SMPS and digital power conversion controller. Its GS70x peripheral set provides complementary PWM outputs with dead-time insertion, fault inputs for cycle-by-cycle current limiting, and a high-speed ADC synchronized to the PWM timebase so that current and voltage feedback are sampled at the optimal instant in each switching period. Running the control loop in firmware at 70 MIPS allows adaptive control laws, soft-start sequencing, and protection logic that analog controllers cannot offer. Typical topologies include LLC half-bridge, flyback, and forward converters. The trade-off versus a dedicated analog PWM IC is firmware development effort, repaid by flexibility across product variants.
おすすめ
Interleaved Power Factor Correction
Microchip ships an interleaved PFC reference design around the dsPIC33EP SMPS family that accepts universal AC input and delivers a high-voltage DC output up to 350W, and the DSPIC33EP128GS706T-I/PT fits this role directly. Interleaved boost PFC requires two PWM channels phase-shifted 180 degrees with matched current sharing; the GS70x PWM modules generate the phase offset in hardware while the ADC samples each inductor current on PWM-triggered events for accurate average-current-mode control. Firmware implements input-voltage feedforward, THD optimization, and brownout handling. The 128KB Flash leaves ample room for a full PFC plus downstream DC-DC control in a single controller, reducing BOM cost versus a two-chip solution.
おすすめ
Solar Micro-Inverters and Battery Chargers
In grid-tied micro-inverters and multi-chemistry battery chargers, the DSPIC33EP128GS706T-I/PT executes maximum power point tracking (MPPT), charger state machines, and PWM generation simultaneously. The 70 MIPS core with DSP MAC instructions computes MPPT algorithms per switching cycle, while the analog comparators provide hardware overcurrent shutdown faster than any firmware loop - a critical safety function in energy-conversion equipment. The 128KB Flash accommodates grid-compliance firmware, communication stacks, and data logging. The -40C to +85C industrial temperature range suits outdoor enclosure environments, and the FuSa qualification noted by DigiKey supports functional-safety assessments in distributed generation products.
おすすめ
Industrial Motor Control
For BLDC, PMSM, and ACIM drives, the DSPIC33EP128GS706T-I/PT generates three-phase complementary PWM with programmable dead time and handles rotor-position estimation from ADC-sampled phase currents using field-oriented control (FOC). The DSP engine's single-cycle 16x16 multiply-accumulate accelerates Clarke/Park transforms and PI loops at PWM frequencies of 20 kHz and above. Fault inputs can trip the PWM outputs in hardware within nanoseconds during overcurrent events, protecting the MOSFET bridge. Against general-purpose MCUs, this part's SMPS-grade analog peripherals give faster, more deterministic feedback. The 85 I/O lines also cover encoder inputs, communication, and supervisory functions on a single controller.
おすすめ
Digital Lighting Ballasts and LED Drivers
High-intensity discharge (HID) ballasts and high-power LED drivers demand precise current regulation with igniter sequencing and lamp-protection logic - workloads that map naturally onto the DSPIC33EP128GS706T-I/PT. The GS70x PWM/ADC/comparator trio maintains constant-current control per switching cycle, while 128KB of Flash stores dimming curves, communication protocols (DALI/DMX bridges), and fault diagnostics. Firmware-based control lets one hardware platform serve multiple lamp wattages by changing only software, a major advantage in lighting product families. The 64-pin TQFP offers enough I/O for panel interfaces and sensor feedback, and the industrial temperature rating suits enclosed luminaires with elevated ambient temperatures.
おすすめ
Embedded Automation and Metering
Beyond power conversion, the DSPIC33EP128GS706T-I/PT serves general embedded automation, industrial control, metering, and IoT node designs, as listed in its distributor product overviews. The 70 MIPS core with DSP instructions handles real-time signal processing such as RMS metering computation and power-quality analysis, while 128KB Flash and 8KB RAM support protocol stacks and data buffers. The FuSa qualification streamlines deployment in equipment assessed to functional-safety requirements. Compared with the GP502/GM306 siblings, the GS70x analog subsystem provides higher-precision synchronized sampling beneficial to energy measurement accuracy. The 64-TQFP footprint keeps PCB area compact for DIN-rail and panel-mount products.
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: DSPIC33EP128GS706T-I/PT — 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 | DSPIC33EP128GS706T-E/PT | DSPIC33EP128GS706-I/PT | DSPIC33EP256GS706 | DSPIC33EP64GS706 | DSPIC33EP128GM306-E/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128 KB (43K x 24) | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Temperature Range | -40C to +85C (I) | -40C to +125C (E, AEC-Q100) | -40C to +85C (I) | -40C to +85C (I std) | -40C to +85C (I std) | -40C to +125C (E) |
| Peripheral Focus | SMPS / digital power (GS70x) | SMPS / digital power (same die) | SMPS / digital power (same die) | SMPS / digital power (GS70x) | SMPS / digital power (GS70x) | General-purpose (GM306) |
主な差別化要因
- SMPS-optimized peripheral set in the GS70x subfamily （vs DSPIC33EP128GM306-E/PT)
- Extended-temperature drop-in upgrade available on the identical die （vs DSPIC33EP128GS706T-E/PT)
- Scalable memory density on one footprint （vs DSPIC33EP256GS706)
設計ノート
The DSPIC33EP128GS706T-I/PT runs from a 3.0V to 3.6V single rail (3.3V nominal). In digital power designs the DSC shares the PCB with noisy switching stages, so feed each VDD/VSS pair with a 100 nF ceramic placed within 2 mm of the pin, plus a bulk 10 uF per supply domain. Never derive VDD from the unfiltered power-stage rail; use a dedicated LDO or filtered output. Estimated: at 70 MIPS the core draws roughly tens of milliamps, so a 100 mA regulator covers the controller plus oscillator and a few indicator I/Os.
Keep the PWM output traces short and route them away from the analog feedback lines feeding the ADC and comparators. In SMPS layouts, the GS70x ADC samples are PWM-synchronized, so any capacitive coupling from switch nodes into ADC inputs shows up as sampling artifacts that firmware cannot remove. Place a ground plane under the controller, star-connect analog ground at a single point, and use series resistors (100R-1kR) on comparator inputs for protection and filtering. Refer to Microchip's SMPS reference designs for the GS family for proven layout topology.
Do not select the -I temperature grade for automotive or high-ambient enclosures: it is rated only to +85C, while the same-die -E variant (DSPIC33EP128GS706T-E/PT) extends to +125C with AEC-Q100 qualification at essentially the same footprint. Also confirm supply compliance: the part operates at 3.0-3.6V and its I/O is not 5V tolerant, so 5V sensor or UART signals require level shifting. Finally, the /PT tape-and-reel suffix is for automated assembly - order the tray version (non-T) for hand-placed prototype builds.
The 64-TQFP pinout concentrates high-speed PWM and ADC pins on adjacent sides; when designing a two-layer board, prioritize returning PWM currents directly beneath their traces and reserve layer 2 as an unbroken ground pour under the controller. Use Microchip's ICSP 5-wire programming header (MCLR, VDD, GND, PGD, PGC) with short traces and a series resistor on MCLR for reliable in-circuit debugging in the final enclosure.
コンプライアンス情報
RoHS3 compliant per ics-embedded.com listing. The -I grade itself is not automotive qualified; the same-die DSPIC33EP128GS706T-E/PT variant operates within AEC-Q100 and TS 16949 standards per Microchip USA. DigiKey lists the part as a Functional Safety (FuSa) qualified device.