DSPIC33EP128GP506T-I/PT - 70 MIPS 16-bit DSC 128KB Flash | Microchip
部品番号: DSPIC33EP128GP506T-I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.82 | $5.82 |
| 10 | $5.24 | $52.40 |
| 100 | $4.66 | $466.00 |
| 500 | $4.2 | $2,100.00 |
| 1,000 | $3.78 | $3,780.00 |
DSPIC33EP128GP506T-I/PT 概要
A digital signal controller combines the computational capability of a digital signal processor (DSP) with the peripheral integration and control-oriented architecture of a microcontroller (MCU). In the power management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, offering single-cycle MAC and DSP instructions alongside familiar microcontroller peripherals such as UART, SPI, I2C, and PWM modules. This makes DSCs the standard choice for embedded control systems that require both math-intensive signal processing and real-time peripheral control.
Key features include the enhanced CAN 2.0B communication module, up to three on-chip operational amplifiers (Op Amps), analog comparators, a Charge Time Measurement Unit (CTMU), and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. The 70 MIPS dsPIC33E core provides excellent code density and deterministic interrupt latency for demanding real-time control loops.
Architecturally, the dsPIC33EP uses a modified Harvard pipeline with a 24-bit instruction word, hardware DSP multiply-accumulate, and dual operand fetch, enabling efficient digital filtering and transform computations. The general purpose (GP) family differentiates itself from the MC (motor control) variants by emphasizing communication, analog integration, and general I/O flexibility.
Typical applications include industrial automation and sensing nodes, CAN-based communication gateways, digital power supplies and power conversion, precision analog measurement with the CTMU and integrated op amps, and consumer appliances.
When designing, verify that the -I temperature grade (-40C to +85C) meets your application envelope; the -E grade extends to +125C. The /PT suffix indicates TQFP packaging and the leading T indicates tape-and-reel delivery.
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: DSPIC33EP128GP506T-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: DSPIC33EP128GP506T-I/PT （同一形状・フットプリント） — 相違点: Operating Temperature, Supply Voltage, Package, Core, RAM.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP128GP506T-E/PT
✅ ドロップイン✓ 在庫あり
$3.78 / 個
データシートを見る →DSPIC33EP128GP506-I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP256GP506-I/PT
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.65 / 個
データシートを見る →DSPIC33EP64GP506-I/PT
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.78 / 個
データシートを見る →DSPIC33EP128GM306-E/PT
✅ ドロップイン✓ 在庫あり
$6.15 / 個
データシートを見る →DSPIC33EP128MC506-I/PT
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP128GP506T-I/PT 最大定格＆電気的特性
| Core | dsPIC33E 16-bit |
| Core Speed | 70 MIPS |
| Program Memory Size | 128KB (43K x 24) Flash |
| RAM Size | 16KB |
| 電源電圧 | 3.3V |
| パッケージ | 64-TQFP (10x10 mm) |
| 実装タイプ | Surface Mount |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Op Amps, Comparators, CTMU, PTG, PWM |
| 動作温度 | -40C to +85C (I grade) |
| JTAG / Debug | IEEE 1149.2 compatible (JTAG) boundary scan, in-circuit programming |
| Packaging | Tape & Reel (T suffix) |
| RoHS ステータス | Compliant |
| Family | dsPIC33EP General Purpose (GP) |
DSPIC33EP128GP506T-I/PT 64-tqfp (10x10 mm) ピン配置ガイド
DSPIC33EP128GP506T-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: DSPIC33EP128GP506T-I/PT.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP128GP506T-I/PT の用途: 6 件s: CAN-Based Industrial Communication Nodes, Digital Power Supplies and Power Conversion, Precision Analog Measurement and Sensing, Motor Control and Drives, Consumer Appliances and Smart Home Devices, Audio Signal Processing and DSP-Intensive Embedded Systems.
CAN-Based Industrial Communication Nodes
The DSPIC33EP128GP506T-I/PT fits industrial communication nodes because its enhanced CAN 2.0B module with up to 8 transmit/receive buffers handles CANopen and proprietary industrial protocols deterministically at 1 Mbit/s, while the 70 MIPS core leaves ample headroom for protocol stacks and application logic. Combined with UART/USART, SPI, I2C, LINbus, and IrDA interfaces, a single device can bridge CAN fieldbuses to RS-485 or Ethernet-adjacent subsystems. The 128KB Flash accommodates protocol stacks, bootloaders, and application code, and the Peripheral Trigger Generator (PTG) automates peripheral sequencing without CPU intervention, reducing interrupt jitter on time-critical message handling.
おすすめ
Digital Power Supplies and Power Conversion
For digital power conversion, the DSPIC33EP128GP506T-I/PT provides the key ingredients for voltage-mode and current-mode control: a 70 MIPS DSP core executing single-cycle MAC instructions for compensator algorithms, PWM outputs for switch drive, and analog comparators for fast overcurrent protection independent of software latency. The 16KB RAM supports multi-pole control-law state storage and instrumentation buffers. Running the control loop at tens of kHz with hardware PWM updates keeps CPU load low, while the CTMU can assist with precise timing measurements. The 3.3V industrial-grade (-40C to +85C) operation matches typical embedded power-supply environments.
おすすめ
Precision Analog Measurement and Sensing
The integrated analog suite makes this DSC attractive for precision measurement front ends. On-chip operational amplifiers buffer sensor signals without external op-amp ICs, the analog comparators provide threshold detection with programmable references, and the CTMU (Charge Time Measurement Unit) enables high-resolution time-domain measurements for capacitive sensing, ultrasonic time-of-flight, and resistive/conductivity measurement. The 12-bit ADC captures multi-channel sensor data under PTG-triggered, CPU-independent scanning. At 70 MIPS, the core performs digital filtering, linearization, and calibration math on-device, reducing bill-of-material cost in industrial and medical sensing nodes.
おすすめ
Motor Control and Drives
Although the GP variant targets general-purpose designs, its 70 MIPS core, PWM peripherals, and comparators make it a credible controller for BLDC, PMSM, and ACIM motor drives of low to medium complexity. The DSP engine computes field-oriented control (FOC) transforms efficiently with single-cycle multiply-accumulate, while PWM outputs drive a three-phase inverter through a gate driver. Comparator-based fast current limiting protects the power stage within microseconds. For designs requiring the family's most advanced motor-control PWM peripherals, the pin-compatible DSPIC33EP128MC506-I/PT offers the MC peripheral set on the identical 64-TQFP footprint.
おすすめ
Consumer Appliances and Smart Home Devices
In appliance and smart-home products, the DSPIC33EP128GP506T-I/PT balances cost and capability: 128KB Flash holds user interfaces, communication stacks, and OTA-style bootloader code, while the rich peripheral mix (UART, I2C, SPI, PWM) drives displays, touch sensing via CTMU, and actuator control. The PTG offloads repetitive timing sequences such as LED multiplexing or sensor polling. Operating from 3.3V with industrial temperature rating simplifies power design with common LDOs. The 64-TQFP (10x10 mm) surface-mount package supports compact two- and four-layer consumer PCBs with standard assembly processes.
おすすめ
Audio Signal Processing and DSP-Intensive Embedded Systems
The dsPIC33E core's DSP instruction set - single-cycle MAC, dual operand fetch, and hardware modulo addressing - suits embedded audio filtering, tone generation, and acoustic sensing. At 70 MIPS, finite impulse response (FIR) and infinite impulse response (IIR) filters, level detection, and simple codecs run with deterministic latency, which matters in real-time audio paths. The 16KB RAM buffers multiple audio frames, and the 128KB Flash stores coefficient tables and application code. While not a replacement for dedicated audio DSPs, it consolidates control and light audio processing in one 3.3V device for cost-sensitive 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: DSPIC33EP128GP506T-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 | DSPIC33EP128GP506T-E/PT | DSPIC33EP128GP506-I/PT | DSPIC33EP256GP506-I/PT | DSPIC33EP128GM306-E/PT | DSPIC33EP128MC506-I/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 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128KB (43K x 24) | 128KB | 256KB | 64KB | 128KB | 128KB |
| Temperature Range | -40C to +85C (I grade) | -40C to +125C (E grade, AEC-Q100) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Peripheral Focus | General purpose: CAN, Op Amps, CTMU, PTG | Same GP peripheral set | Same GP peripheral set | Same GP peripheral set | GM: enhanced analog/PWM set | MC: motor-control PWM focus |
主な差別化要因
- Extended-temperature AEC-Q100 option on same die （vs DSPIC33EP128GP506T-E/PT)
- Cost-optimized memory density vs 256KB sibling （vs DSPIC33EP256GP506-I/PT)
- General-purpose analog integration vs motor-control variant （vs DSPIC33EP128MC506-I/PT)
設計ノート
The dsPIC33EP operates from a 3.3V supply with tight brown-out sensitivity; use a 3.3V LDO with adequate transient response and place 0.1uF ceramic decoupling capacitors at each VDD pin pair plus bulk capacitance (4.7uF-10uF) near the device. Follow the Microchip dsPIC33EP family datasheet power-up requirements: hold MCLR low until VDD is stable, or enable the internal brown-out reset (BOR) so the device does not execute from an undefined state during supply ramp. Estimated: at 70 MIPS with typical load, core current is in the tens of mA range; verify against the datasheet electrical characteristics table for your exact clock configuration.
The 64-TQFP (10x10 mm) exposes VSS/VDD pairs distributed around the package; connect every VDD/VSS pair - do not float unused power pins, even though it appears to save routing. Use a solid ground plane and place the VCAP/decoupling network per the reference layout in the Microchip family datasheet. Keep the high-speed oscillator (if used) traces short and guarded by ground. For CAN designs, route the CANTX/CANRX pair away from PWM or switching nodes and place the MCP2551-class transceiver within 20-30 mm of the MCU pins.
A frequent pitfall is assuming all peripheral pins are fixed: dsPIC33EP devices use Peripheral Pin Select (PPS), so UART/SPI/UART mapping must be configured in firmware and verified against the datasheet pin tables for the exact 64-pin device - copying pin assignments from a different pin-count family member will not work. Also, the T suffix means tape-and-reel with moisture sensitivity; observe MSL floor-life requirements and bake if the reel has been open beyond the rated time before reflow.
コンプライアンス情報
RoHS compliant and lead-free per standard current-production Microchip dsPIC33EP device status. AEC-Q100 qualification applies to the -E grade variant (DSPIC33EP128GP506T-E/PT) per Microchip USA data, not the -I grade. Formal REACH/halogen declarations should be obtained from Microchip's Quality portal.