DSPIC33EP128GM304T-I/PT - 70 MIPS 16-bit DSC 128KB | Microchip
MPN: DSPIC33EP128GM304T-I/PT ✓ فعالDSPIC33EP128GM304T-I/PT نمای کلی
A digital signal controller combines the computational architecture of a microcontroller with the numeric acceleration of a digital signal processor. Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice for control loops that need both deterministic real-time behavior and fast multiply-accumulate arithmetic.
Key features include the dsPIC33E core running at up to 70 MIPS, 5V-tolerant I/O pins with selectable open-drain and internal pull-ups/pull-downs, sink/source capability of 15 mA or 10 mA per pin (pin-specific), and Peripheral Pin Select (PPS) that allows peripheral functions to be remapped across I/O pins for maximum board layout flexibility. The GM-series variant integrates high-speed PWM and on-chip operational amplifiers targeted at precision motor control.
Architecturally, the device is built on CMOS technology with a barrel shifter, DSP multiply-accumulate engine, and boundary-scan (JTAG) support for testability. It operates from a 3.0V to 3.6V supply across the industrial temperature range of -40C to +85C. Class B safety support and change-notice interrupts on all I/O pins further strengthen its suitability for safety-conscious industrial designs.
Typical applications include precision motor control (BLDC, PMSM, stepper), digital power conversion (PFC, LLC), and sensor signal processing in industrial automation, where the integrated op amps and high-speed PWM reduce external component count.
Design consideration: keep the supply within 3.0V to 3.6V and decouple all VDD/VDDCORE pins with 0.1uF ceramics placed close to the package; the T suffix indicates tape-and-reel packaging for automated assembly.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
جایگزین‌های drop-in برای DSPIC33EP128GM304T-I/PT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای DSPIC33EP128GM304T-I/PT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, Core Architecture, Core, Quadrature Encoder Interfaces.
DSPIC33EP128GP304-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
DSPIC33EP64GM304-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
DSPIC33EP256GM304-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←DSPIC33EP32GM304-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
DSPIC33EP128MC204-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←DSPIC33EP128GM304T-I/PT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Program Memory | 128KB (43K x 24) Flash |
| Data RAM | 16 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| دمای کاری | -40C to +85C (industrial) |
| بسته‌بندی | 44-TQFP (10x10 mm) |
| نوع نصب | Surface Mount |
| I/O Sink/Source Current | 15 mA or 10 mA, pin-specific |
| I/O Voltage Tolerance | 5V tolerant pins |
| Peripheral Remapping | PPS (Peripheral Pin Select) |
| Technology | CMOS |
| Testability | Boundary scan (JTAG) |
| Interrupts | Change Notice interrupts on all I/O pins |
| Class B Safety Support | Yes |
| وضعیت RoHS | ROHS3 Compliant |
| Packaging | Tape and Reel (T suffix) |
راهنمای پیکربندی پین DSPIC33EP128GM304T-I/PT 44-tqfp (10x10 mm)
پیکربندی پین برای DSPIC33EP128GM304T-I/PT (پکیج 44-tqfp (10x10 mm)). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای DSPIC33EP128GM304T-I/PT.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
DSPIC33EP128GM304T-I/PT مناسب است برای 6 کاربردs: Precision Motor Control (BLDC/PMSM FOC), Digital Power Conversion (PFC/LLC), Industrial Automation and PLC I/O, Sensor Signal Processing, Battery-Powered Portable Instrumentation, Embedded Security and Class B Safety Systems.
Precision Motor Control (BLDC/PMSM FOC)
The DSPIC33EP128GM304T-I/PT is engineered for field-oriented control of brushless DC and permanent-magnet synchronous motors. Its 70 MIPS dsPIC33E core executes current, speed, and position loops with deterministic latency, while the high-speed PWM peripheral generates complementary dead-time-controlled drive signals. The GM-series integrated operational amplifiers amplify shunt-resistor current-sense signals directly, reducing external component count and board area in the analog front end. Typical designs place the DSC between gate drivers and position sensors, running FOC loops at 10-20 kHz with PWM carriers well above audible range. With 5V-tolerant I/O, it interfaces cleanly with legacy 5V hall sensors and encoders. Microchip provides motor-control libraries and reference designs for this exact family, shortening time to a certified drive.
پیشنهادی
Digital Power Conversion (PFC/LLC)
In switch-mode power supplies, the DSPIC33EP128GM304T-I/PT closes voltage and current loops digitally for PFC, LLC, and buck-boost stages. The 70 MIPS core and DSP multiply-accumulate support execute 3p3z and PI compensators at switching frequencies of hundreds of kHz, while high-speed PWM outputs provide phase-shifted and complementary drive with fine resolution. The integrated op amps condition current-shunt feedback without external amplifiers, and change-notice interrupts on all I/O pins support fast fault handling. Operating from a 3.0V to 3.6V rail, the controller communicates with host systems over remapped UART or SPI via Peripheral Pin Select. Class B safety support assists with functional-safety assessments common in industrial and telecom power products where a single fault must not create a hazard.
پیشنهادی
Industrial Automation and PLC I/O
The DSPIC33EP128GM304T-I/PT serves as an intelligent I/O and sensor-interface processor in industrial automation systems. Its 5V-tolerant, 15 mA/10 mA sink-source I/O connects directly to legacy 24V-conditioned inputs via dividers, and Peripheral Pin Select lets designers route UART, SPI, and PWM functions to whichever pins the backplane connector demands - a major advantage for pin-constrained 44-TQFP layouts. The industrial -40C to +85C rating covers cabinet and field installations, while boundary-scan JTAG supports board-level production test required in IPC-class industrial products. With 128KB Flash, the part hosts protocol stacks and a small real-time operating system simultaneously. Change-notice interrupts on every I/O pin allow immediate reaction to limit-switch or interlock events without polling overhead.
پیشنهادی
Sensor Signal Processing
For sensor-heavy applications such as load cells, pressure transducers, and ultrasonic sensing, the DSPIC33EP128GM304T-I/PT combines acquisition with on-chip arithmetic. The GM-series operational amplifiers provide the first gain stage for small differential signals, and the DSP engine applies filtering (IIR/FIR) at up to 70 MIPS without host assistance. Peripheral Pin Select allows the ADC trigger, PWM excitation, and communication ports to be mapped to optimal physical pins, simplifying mixed-signal layout and ground-return planning. The 3.0V to 3.6V supply matches modern analog front ends, and 5V-tolerant digital pins bridge to legacy logic. Data can be streamed over remapped UART/SPI to a host controller, making this DSC a compact smart-sensor core in a single 44-TQFP package.
پیشنهادی
Battery-Powered Portable Instrumentation
Handheld meters, portable analyzers, and battery-operated test tools benefit from the DSPIC33EP128GM304T-I/PT's balance of performance and integration. The single 3.0V to 3.6V rail matches a 3.6V lithium cell directly, and CMOS technology keeps static consumption low during sleep modes. The 70 MIPS core completes measurement bursts quickly so the system can return to low-power states sooner, extending battery life. The 128KB Flash holds calibration tables, multiple measurement profiles, and display-driving code, while 16KB RAM buffers waveform captures for on-device analysis. The 44-TQFP 10x10 mm footprint fits compact instrument boards, and industrial temperature rating covers outdoor field use. 5V-tolerant pins simplify interfacing with external probes and charging circuits.
پیشنهادی
Embedded Security and Class B Safety Systems
Applications requiring supervised operation - elevator controllers, access panels, and monitored actuators - leverage the DSPIC33EP128GM304T-I/PT's Class B safety support and boundary-scan JTAG. Microchip's Class B library validates RAM, Flash, clock, and stack integrity at runtime, forming the software backbone for safety assessments without external supervisors in lower-SIL contexts. The 70 MIPS core runs both application logic and diagnostic routines with margin, and change-notice interrupts on all I/O pins capture safety-critical input transitions immediately. Boundary scan supports production test of net continuity on dense boards. With 128KB Flash, self-test code and application coexist comfortably, and the industrial -40C to +85C range plus ROHS3 compliance fit both indoor and harsh-environment deployments.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای DSPIC33EP128GM304T-I/PT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | DSPIC33EP128GP304-I/PT | DSPIC33EP64GM304-I/PT | DSPIC33EP256GM304-I/PT | DSPIC33EP128MC204-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128KB (43K x 24) | 128KB (43K x 24) | 64KB | 256KB | 128KB (43K x 24) |
| Data RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Integrated Op Amps (GM series) | Yes | No (GP peripheral set) | Yes | Yes | No (MC motor-control set) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
تفاوت‌های کلیدی
- Integrated operational amplifiers reduce external BOM (در مقابلDSPIC33EP128GP304-I/PT)
- Memory upgrade path on identical footprint (در مقابلDSPIC33EP64GM304-I/PT)
- Balanced general DSC vs specialized MC variant (در مقابلDSPIC33EP128MC204-I/PT)
یادداشت‌های طراحی
The DSPIC33EP128GM304T-I/PT requires a tightly regulated 3.0V to 3.6V supply. Decouple every VDD and VDDCORE pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7uF to 10uF capacitor near the package. The internal core regulator needs its recommended capacitor per the family datasheet - do not omit it, or core-rail ripple can cause spurious resets at 70 MIPS operation. Route the VDDCORE network away from switching-node traces in motor-drive layouts.
Use Peripheral Pin Select (PPS) early in layout planning: because most digital functions are remappable, you can place decoupling and analog components on their ideal pads first, then assign UART/SPI/PWM pins to whichever 44-TQFP pins remain physically convenient. Keep the integrated op-amp input pins short and guard them with ground if shunt signals are in the millivolt range. The 10x10 mm TQFP thermal pad area is adequate for the low-power core; no heatsink is required.
Two common mistakes when migrating within the dsPIC33EP 44-TQFP family: (1) assuming pin-for-pin peripheral identity - while the footprint is identical across GM/GP/MC variants, the analog peripheral set differs, so verify op-amp and ADC channel mapping in the family datasheet before swapping; (2) exceeding 3.6V on VDD - although I/O pins tolerate 5V as inputs, the supply rail must never exceed 3.6V. Also confirm PPS lock settings after configuration to prevent run-time peripheral remapping faults.
اطلاعات انطباق
ROHS3 Compliant per distributor (full-electronic.com) records. REACH, halogen-free, and conflict-minerals status require official Microchip compliance certificates.