DSPIC33FJ256GP506T-I/PT - 16-bit DSC 40 MIPS 256KB Flash | Microchip
MPN: DSPIC33FJ256GP506T-I/PT ✓ AktifDSPIC33FJ256GP506T-I/PT Genel Bakış
A Digital Signal Controller combines the computational architecture of a Digital Signal Processor (DSP) with the peripheral set and control-oriented structure of a microcontroller. Within the power management hierarchy of embedded systems, the dsPIC33F family sits between general-purpose 16-bit MCUs (such as the PIC24) and dedicated DSPs, offering hardware multiply-accumulate (MAC), division support, and DSP instruction extensions while retaining rich microcontroller peripherals. The dsPIC33FJ256GP506 belongs to the General Purpose (GP) subfamily and shares a high degree of pin compatibility with the PIC24H and dsPIC30F families, giving designers seamless migration options.
Key features include a modified Harvard architecture optimized for C compilation, 40 MIPS performance from an internal PLL clock scheme, a wide 2.5V to 3.6V operating range, and industrial temperature support (-40C to +85C) indicated by the I suffix. The 64-TQFP package provides ample general-purpose I/O for motor control feedback, communication, and human-interface functions.
The controller integrates a high-speed ADC for analog acquisition, multiple serial communication modules (UART, SPI, I2C), general-purpose timers, output-compare/input-capture channels, and in-circuit serial programming (ICSP) via dedicated PGECx/PGEDx pin pairs. The DSP engine supports single-cycle MAC and dual operand fetch, enabling efficient FIR/IIR filtering, FFT computation, and control-loop execution in single-chip designs.
Typical applications include digital power supplies and power conversion, sensor signal conditioning and analysis, industrial automation controllers, motor drive interfaces, and general-purpose embedded control where DSP-class math is required alongside microcontroller peripherals.
When designing, remember that more than one PGECx/PGEDx pair exists for programming; you must use the selected pair consistently (for example, ICSPCLK on PGEC2 requires ICSPDAT on PGED2).
This page synthesizes distributor availability data, drop-in alternatives, and practical design notes beyond what the manufacturer product page alone provides.
Drop-in alternatifler için DSPIC33FJ256GP506T-I/PT — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller DSPIC33FJ256GP506T-I/PT (aynı form faktörü ve ayağa oturma) — farklı olan Operating Temperature, Package, Core Architecture, ADC, Programming Interface.
DSPIC33FJ256GP506AT-I/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ256GP506A-E/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ256GP506-I/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ128MC506AT-I/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ128MC706AT-I/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ128MC510A-E/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →DSPIC33FJ256GP506T-I/PT Maksimum Değerlendirmeler & Elektriksel Özellikler
| Core Architecture | 16-bit dsPIC33F, Modified Harvard |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (Flash) | 256 KB |
| Operating Voltage | 2.5 V to 3.6 V (3.3 V typical) |
| İşletim Sıcaklığı | -40C to +85C (I grade) |
| Paket | 64-TQFP (10x10 mm) |
| Montaj Türü | Surface Mount |
| Packaging Suffix | T = Tape and Reel; PT = TQFP |
| Programming Interface | ICSP via PGECx/PGEDx pin pairs |
| Family Compatibility | Pin-compatible with PIC24H and highly compatible with dsPIC30F |
| DSP Features | Single-cycle MAC, hardware division support |
DSPIC33FJ256GP506T-I/PT 64-tqfp (10x10 mm) Pin Yapısı Kılavuzu
DSPIC33FJ256GP506T-I/PT (64-tqfp (10x10 mm) paket) için pin yapısı. Bu dijital IC, GPIO, iletişim arayüzleri (UART, SPI, I2C) ve güç pinleri içerir. Alternatif pin işlevleri ve yapılandırma seçenekleri için üretici veri kitapçığını referans alın. Tünel sistem tasarımı ve PCB yerleşimi için temel bir bileşendir.
Ayrıntılı pin çıkış verisi mevcut değil: DSPIC33FJ256GP506T-I/PT.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
DSPIC33FJ256GP506T-I/PT için uygundur 6 uygulamas: Digital Power Conversion, Industrial Automation and Control, Sensor Signal Processing, Motor Control Interfaces, Embedded Communication Nodes, Consumer and Appliance Embedded Control.
Digital Power Conversion
The DSPIC33FJ256GP506T-I/PT fits digitally controlled power supplies, PFC stages, and DC-DC converters because its 40 MIPS core closes current and voltage loops fast enough for typical switching frequencies, while its DSP engine executes compensator math with single-cycle multiply-accumulate operations. In a typical topology the DSC samples the output and inductor current through the on-chip ADC, computes the control law, and drives PWM-type output modules, allowing the compensation strategy to be updated in firmware rather than hardware. Unlike a purely analog controller, it adds programmable protection, telemetry over UART/CAN-class links, and adaptive mode switching. The trade-off is software development effort and the need to budget CPU cycles carefully against the switching period.
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Industrial Automation and Control
In factory automation nodes - sensor hubs, small motion controllers, and process I/O modules - the DSPIC33FJ256GP506T-I/PT provides 40 MIPS of 16-bit processing, 256 KB Flash for protocol stacks and application code, and a 3.3V industrial-grade design rated -40C to +85C. Its UART, SPI, and I2C modules connect PLC-style peripherals, memories, and displays, while the ADC handles analog sensor acquisition and the DSP instructions perform filtering or trend analysis locally. The 64-TQFP package supplies ample general-purpose I/O for relays, indicators, and interlocks within a 10x10 mm footprint. Designers benefit from the family's pin compatibility with PIC24H devices, letting them scale performance or peripherals without a board respin when requirements evolve mid-program.
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Sensor Signal Processing
For sensor conditioning front ends - vibration, pressure, acoustic, or current sensing - the DSPIC33FJ256GP506T-I/PT replaces an MCU-plus-external-DSP split with one chip: the on-chip ADC digitizes the transducer signal and the 40 MIPS DSP engine applies FIR/IIR filters, RMS computation, or FFT-based feature extraction in real time. Its 256 KB Flash retains calibration tables, compensation curves, and multiple sensor profiles, while the modified Harvard architecture's dual operand fetch keeps filter tap processing efficient. The industrial temperature range supports sensors mounted on machinery. Compared with an analog filter chain, the digital approach offers reconfigurability, but designers must observe ADC sampling limits and allocate RAM for filter state buffers.
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Motor Control Interfaces
The DSPIC33FJ256GP506T-I/PT supports motor drive supervisory and control-interface functions: its fast ADC reads phase currents and bus voltage, DSP instructions execute field-oriented-control auxiliary math, and output-compare modules generate gating or communication waveforms for inverter bridges. Within a drive system it can act as the main controller for PMSM/BLDC drives up to moderate power levels, or as a companion to the MC-subfamily dsPIC33F devices that provide dedicated motor-control PWM peripherals. Running at 40 MIPS from a 3.3V rail and rated -40C to +85C, it tolerates cabinet environments. Firmware must manage PWM update timing and current-loop bandwidth, and protection functions (overcurrent, desaturation equivalents) should be layered across both hardware comparators and software.
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Embedded Communication Nodes
As a protocol gateway or fieldbus node, the DSPIC33FJ256GP506T-I/PT leverages multiple UART, SPI, and I2C modules to bridge RS-232/485-class links, external memory, and peripherals, while its 40 MIPS headroom runs protocol stacks, CRC checking, and payload processing concurrently. The 256 KB Flash accommodates firmware updaters, dual-bank images, and logging buffers; the DSC's DSP extensions accelerate data framing, encryption primitives, or signal-based diagnostics without an external coprocessor. Industrial temperature qualification and the wide 2.5V-3.6V supply range suit DIN-rail and panel-mounted hardware. Developers should verify the required peripheral count against the device's module allocation early, since the GP506 balance of modules differs from MC-subfamily variants.
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Consumer and Appliance Embedded Control
In appliances and consumer equipment - induction heating, air-conditioner control boards, and premium power tools - the DSPIC33FJ256GP506T-I/PT provides one-chip control that combines user-interface scanning (via GPIO and timers), sensor feedback through the ADC, and power-stage regulation using the DSP-capable 40 MIPS core. The 256 KB Flash supports multiple language packs, OTA-style field-update loaders, and adaptive control firmware on a single device, while the 10x10 mm 64-TQFP keeps the PCB compact for cost-driven boards. Compared to a discrete MCU plus DSP pairing, it lowers BOM count and inter-chip latency. Design attention should go to EMI from adjacent power stages and to MSL-compliant reflow handling of the TQFP package.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: DSPIC33FJ256GP506T-I/PT — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | DSPIC33FJ256GP506AT-I/PT | DSPIC33FJ256GP506A-E/PT | DSPIC33FJ128MC506AT-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| CPU Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB (-50%) |
| Temperature Range | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| Peripheral Family | GP (General Purpose) | GP - same | GP - same | MC (Motor Control) |
| Silicon Revision | Original (see errata) | A-step (errata resolved) | A-step (errata resolved) | A-step |
| Packaging | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) |
Ana Farklılayıcılar
- Full 256 KB Flash in the GP family (karşılaştırma:DSPIC33FJ128MC506AT-I/PT)
- A-step revision available as drop-in (karşılaştırma:DSPIC33FJ256GP506AT-I/PT)
- Industrial temperature range (karşılaştırma:DSPIC33FJ256GP506A-E/PT)
- General Purpose peripheral balance (karşılaştırma:DSPIC33FJ128MC706AT-I/PT)
Tasarım Notları
Program the DSPIC33FJ256GP506T-I/PT through ICSP, and remember the device has more than one PGECx/PGEDx pair: you may use any pair, but ICSPCLK and ICSPDAT must come from the same pair (e.g., PGEC2 with PGED2). Route the chosen pair to a standard programming header and keep them short and away from switching nodes. Reserve board space for the header even in production, since field firmware updates via ICSP are a common service requirement for 16-bit DSC-based products.
The dsPIC33FJ GP506 operates from a 2.5V-3.6V rail, nominally 3.3V. Provide local decoupling (e.g., 0.1 uF ceramic per supply pin group plus bulk capacitance) close to the TQFP, and sequence VDD within datasheet limits. When the DSC shares a board with switching power stages, isolate the digital supply with an LC filter or ferrite to keep switching ripple out of the ADC reference path, because supply noise directly degrades ADC accuracy in digitally controlled power applications.
The original (non-A) DSPIC33FJ256GP506 silicon carries a documented errata sheet from Microchip; before committing firmware workarounds, check whether stepping up to the DSPIC33FJ256GP506AT-I/PT (drop-in, same footprint) removes the issue. Also note the migration path: while the part is pin-compatible with PIC24H and highly compatible with dsPIC30F devices, peripheral register maps differ between families, so code porting requires review of the family reference manual sections, not just the pin map.
Estimated: for a typical 3.3V digital load in the tens of milliamps range, power dissipation is on the order of 0.1-0.2 W; with a standard TQFP-64 theta_JA (on the order of 40-50 C/W per comparable datasheets), junction rise is roughly 5-10 C above ambient - no heatsinking is required. This estimate uses assumed typical values; confirm exact current consumption and theta_JA from the Microchip family datasheet for your actual clock and peripheral configuration.
Uyumluluk Bilgisi
Compliance data was not present in the provided verified web data; Microchip standard parts are typically RoHS-compliant but this must be confirmed on the Microchip product page or datasheet before release.
