DSPIC33EP256MC206-I/PT - 70 MIPS 16-bit DSC, 256KB Flash | Microchip
MPN: DSPIC33EP256MC206-I/PT ✓ نشطDSPIC33EP256MC206-I/PT نظرة عامة
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, a DSC sits above a basic MCU: it adds single-cycle MAC and DSP instructions, high-resolution PWM modules, and fast analog peripherals, making it the standard choice for closed-loop motor control and digital power conversion where both computation speed and precise timing are required.
Key features of the DSPIC33EP256MC206-I/PT include integrated operational amplifiers, a high-speed 12-bit ADC, high-speed PWM peripherals, and connectivity via I2C, SPI, UART/USART, IrDA, LIN bus, and quadrature encoder interface (QEI). DMA channels offload data movement, while brown-out detect/reset and low-power modes support robust industrial designs. The operating voltage range is 3.0V to 3.6V, and the I-grade temperature range spans -40C to +85C.
The dsPIC33E core executes most instructions in a single cycle with hardware DSP support, and Peripheral Pin Select (PPS) allows remapping of many digital peripherals onto flexible I/O pins, simplifying board layout and reducing routing conflicts. Flash self-programming supports field firmware updates, and ICSP/ICD debug access is available through any PGECx/PGEDx pin pair.
Typical applications include brushless DC and PMSM motor control (sensorless and sensored, using QEI plus high-speed PWM), digital power supplies (PFC, LLC, solar micro-inverters), and industrial automation nodes requiring CAN-free but multi-protocol serial connectivity.
Design consideration: all VDD and VSS pins must be connected and decoupled; when using ICSP, the selected PGECx pin must be paired with the matching PGEDx pin.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
بدائل مباشرة لـ DSPIC33EP256MC206-I/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33EP256MC206-I/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Core, Packaging, RAM Size.
DSPIC33EP256MC206-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33EP128MC206-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP256GP504-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP256GM304T-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP16GS504-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP256MC206-I/PT الحدود القصوى والخصائص الكهربائية
| Core | dsPIC33E 16-bit DSC |
| Core Size | 16-bit |
| Maximum Speed | 70 MIPS (60 MHz oscillator per Mouser listing) |
| Program Memory Size | 256 KB Flash |
| RAM Size | 32 KB |
| العلبة | 64-TQFP (10x10 mm) |
| نطاق درجة حرارة التشغيل | -40C to +85C |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Connectivity | I2C, SPI, UART/USART, IrDA, LIN, QEI |
| Peripherals | Brown-out Detect/Reset, DMA, Motor Control PWM, Op Amps |
| Integrated Op Amps | Yes |
| نوع التركيب | Surface Mount |
| Packaging | Tray |
| I/O Sink/Source Current | 15 mA / 10 mA pin-specific (standard); up to 22 mA / 14 mA non-standard |
| 5V-Tolerant I/O | Yes |
| Debug/Programming | ICSP/ICD via PGECx/PGEDx pin pairs |
| Series | dsPIC33EP256MC206 |
تكوين أطراف DSPIC33EP256MC206-I/PT
| دبوس 1 | MCLR — Master clear reset input / programming voltage |
| دبوس 2 | AN0/VREF+/CN3/RB0 — Analog input 0 / positive ADC reference / change notification / port B |
| دبوس 3 | AN1/VREF-/CN2/RB1 — Analog input 1 / negative ADC reference / port B |
| دبوس 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / port B |
| دبوس 5 | AN3/IND/CN5/RB3 — Analog input 3 / op amp inverting input / port B |
| دبوس 6 | AN4/INC5/CN6/RB4 — Analog input 4 / op amp non-inverting input / port B |
| دبوس 7 | AN5/OCUA/CN7/RB5 — Analog input 5 / port B |
| دبوس 8 | AN6/OCFB/CN8/RB6 — Analog input 6 / port B |
| دبوس 9 | AN7/OUTA/CN9/RB7 — Analog input 7 / op amp output / port B |
| دبوس 10 | AN8/OUTB/CN10/RB8 — Analog input 8 / op amp output / port B |
| دبوس 11 | AN9/OUTC/CN11/RB9 — Analog input 9 / op amp output / port B |
| دبوس 12 | AN10/CVREF/RTCC/CN12/RB10 — Analog input 10 / comparator reference / port B |
| دبوس 13 | AN11/INDB/CN13/RB11 — Analog input 11 / op amp inverting input / port B |
| دبوس 14 | VSS — Ground reference |
| دبوس 15 | VDD — Positive supply (3.0V to 3.6V) |
| دبوس 16 | AN12/INCC/CN14/RB12 — Analog input 12 / op amp non-inverting input / port B |
| دبوس 17 | AN13/INDD/CN15/RB13 — Analog input 13 / port B |
| دبوس 18 | AN14/INCD/CN16/RB14 — Analog input 14 / port B |
| دبوس 19 | AN15/OUTD/CN17/RB15 — Analog input 15 / port B |
| دبوس 20 | PGD3/EMUD3/CN18/RF4 — Programming data channel 3 / emulation / port F |
| دبوس 21 | PGC3/EMUC3/CN19/RF5 — Programming clock channel 3 / emulation / port F |
| دبوس 22 | SOSCI/CN20/RC13 — Secondary oscillator input / port C |
| دبوس 23 | SOSCO/T1CK/CN0/RC14 — Secondary oscillator output / Timer1 clock / port C |
| دبوس 24 | VDD — Positive supply (3.0V to 3.6V) |
| دبوس 25 | VSS — Ground reference |
| دبوس 26 | TCK/TDI/RF3 — JTAG test clock / test data input / port F |
| دبوس 27 | TDO/RF2 — JTAG test data output / port F |
| دبوس 28 | SDA1/TD1/RG3 — I2C data 1 / port G |
| دبوس 29 | SCL1/TCK1/RG2 — I2C clock 1 / port G |
| دبوس 30 | INT0/RE0 — External interrupt 0 / port E |
| دبوس 31 | RE1 — Port E I/O |
| دبوس 32 | RE2 — Port E I/O |
| دبوس 33 | RE3 — Port E I/O |
| دبوس 34 | RE4 — Port E I/O |
| دبوس 35 | RE5 — Port E I/O |
| دبوس 36 | RE6 — Port E I/O |
| دبوس 37 | RE7 — Port E I/O |
| دبوس 38 | RG0 — Port G I/O |
| دبوس 39 | RG1 — Port G I/O |
| دبوس 40 | VCAP/VDDCORE — Core regulator capacitor connection |
| دبوس 41 | RD8 — Port D I/O |
| دبوس 42 | RD9 — Port D I/O |
| دبوس 43 | RD10 — Port D I/O |
| دبوس 44 | RD11 — Port D I/O |
| دبوس 45 | AVDD — Analog positive supply |
| دبوس 46 | AVSS — Analog ground |
| دبوس 47 | AN16/RD0 — Analog input 16 / port D |
| دبوس 48 | AN17/RD1 — Analog input 17 / port D |
| دبوس 49 | AN18/RD2 — Analog input 18 / port D |
| دبوس 50 | AN19/RD3 — Analog input 19 / port D |
| دبوس 51 | AN20/RD4 — Analog input 20 / port D |
| دبوس 52 | PGD1/EMUD1/RD5 — Programming data channel 1 / port D |
| دبوس 53 | PGC1/EMUC1/RD6 — Programming clock channel 1 / port D |
| دبوس 54 | PGD2/EMUD2/RD7 — Programming data channel 2 / port D |
| دبوس 55 | PGC2/EMUC2/RD12 — Programming clock channel 2 / port D |
| دبوس 56 | SOSCN0/RC12 — Port C I/O |
| دبوس 57 | OSCI/CLKI/RC12 — Primary oscillator input / external clock input |
| دبوس 58 | OSCO/CLKO/RC15 — Primary oscillator output / clock output |
| دبوس 59 | VSS — Ground reference |
| دبوس 60 | VDD — Positive supply (3.0V to 3.6V) |
| دبوس 61 | RF13 — Port F I/O |
| دبوس 62 | RF12 — Port F I/O |
| دبوس 63 | RF6 — Port F I/O |
| دبوس 64 | RF7 — Port F I/O |
التطبيقات النموذجية
DSPIC33EP256MC206-I/PT مناسب لـ 6 التطبيقs: Brushless DC / PMSM Motor Control, Digital Power Conversion, Industrial Automation Nodes, Embedded Sensing and Data Acquisition, Portable and Battery-Powered Instruments, Automotive-Adjacent Subsystems.
Brushless DC / PMSM Motor Control
The DSPIC33EP256MC206-I/PT is purpose-built for closed-loop motor control: its 70 MIPS DSP core executes field-oriented control (FOC) algorithms with single-cycle MAC instructions, while the motor-control PWM module generates complementary outputs with dead-time insertion. The integrated op amps amplify shunt current signals directly, feeding the high-speed 12-bit ADC for per-PWM-cycle current sampling. The quadrature encoder interface (QEI) supports sensored designs, and Peripheral Pin Select lets engineers route PWM and encoder signals to optimal board locations. This eliminates external current-sense amplifiers and reduces BOM cost in servo drives, e-bike controllers, and industrial pumps.
موصى به
Digital Power Conversion
In digital power supplies - PFC stages, LLC resonant converters, and solar micro-inverters - the DSPIC33EP256MC206-I/PT provides the deterministic control loop timing required for MHz-class switching. The high-speed PWM supports complementary, push-pull, and phase-shifted topologies with sub-nanosecond-class resolution adjustments, and the 70 MIPS core closes voltage/current loops fast enough for high-bandwidth regulation. The 12-bit ADC with DMA streams sampled feedback without CPU intervention, and the 256KB Flash accommodates complex control laws plus communication stacks. Its 3.0V to 3.6V operation integrates cleanly with standard 3.3V logic and isolated gate-driver interfaces.
موصى به
Industrial Automation Nodes
The DSPIC33EP256MC206-I/PT fits factory-floor sensing and actuation nodes that need multi-protocol connectivity without a host processor. Its UART/USART with IrDA and LIN support, SPI, and I2C interfaces - all remappable via Peripheral Pin Select - connect to sensors, HMI panels, and industrial buses, while 256KB Flash stores protocol stacks plus application logic. The -40C to +85C industrial rating covers unconditioned cabinets, and brown-out detect/reset plus low-power modes provide the robustness and energy profile demanded by 24V-panel mounted equipment. DMA keeps high-rate sensor streaming off the CPU, preserving cycle budget for control algorithms.
موصى به
Embedded Sensing and Data Acquisition
With its high-speed 12-bit ADC, integrated op amps, and 32KB of RAM for buffering, the DSPIC33EP256MC206-I/PT serves compact data-acquisition systems such as vibration monitors, load-cell front ends, and multi-channel sensor loggers. The op amps can be configured as gain stages for small differential signals, cutting external component count, while DMA moves conversion results to RAM autonomously. The DSP instruction set performs on-chip filtering (FIR/IIR) and FFT analysis before results are sent over UART or SPI, reducing host-side processing. 5V-tolerant I/O simplifies interfacing with legacy industrial sensors running at 5V levels.
موصى به
Portable and Battery-Powered Instruments
The dsPIC33E low-power modes (idle, doze, and sleep) let the DSPIC33EP256MC206-I/PT fit battery-operated handheld instruments that need burst computation: the 70 MIPS core wakes, executes heavy DSP processing or a measurement cycle, then returns to sleep with minimal average current. 256KB Flash supports complex UI firmware, and Peripheral Pin Select allows one PCB design to serve multiple product variants by remapping peripherals in software. The 3.0V floor enables direct operation from a Li-ion cell through a low-dropout regulator across most of the discharge curve, extending usable battery capacity in meters and portable testers.
موصى به
Automotive-Adjacent Subsystems
For non-safety-critical automotive-adjacent equipment - auxiliary pumps, seat controllers, HVAC blowers in heavy equipment, and e-mobility accessories - the DSPIC33EP256MC206-I/PT (or its -E/PT sibling rated to +125C) provides BLDC motor control with QEI feedback and LIN bus connectivity, a protocol widely used for low-cost in-vehicle networking. The high-speed PWM and integrated op amps handle phase-current sensing for smooth torque control, while LIN/UART handles network messaging. Designs anticipating under-hood-like temperatures can drop in the -E/PT variant on the identical 64-TQFP footprint without PCB changes.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33EP256MC206-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33EP256MC206-E/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP256GP504-I/PT | DSPIC33EP256GM304T-I/PT | DSPIC33EP16GS504-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 |
| Program Memory (Flash) | 256 KB | 256 KB | 128 KB | 256 KB | 256 KB | 16 KB |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Key Use Case | Motor control / digital power | Motor control, hot environments | Cost-optimized motor control | General-purpose embedded control | Motor control with CAN bus | Smart analog / cost-sensitive designs |
أبرز الفروقات
- Integrated op amps eliminate external current-sense amplifiers (مقابلDSPIC33EP256GP504-I/PT)
- Extended temperature option on identical footprint (مقابلDSPIC33EP256MC206-E/PT)
- Double the code headroom vs the 128KB sibling (مقابلDSPIC33EP128MC206-I/PT)
- Honest trade-off: no CAN bus (مقابلDSPIC33EP256GM304T-I/PT)
ملاحظات التصميم
The DSPIC33EP256MC206-I/PT operates from a single 3.0V-3.6V rail with an internal core regulator. Connect a low-ESR capacitor (about 10uF, value per datasheet) to the VCAP/VDDCORE pin - this is critical for core stability and must never be omitted. All VDD pins must be tied to the same rail, each decoupled with 0.1uF ceramic placed within 2mm of the pin. Provide separate AVDD/AVSS filtering (ferrite bead plus 0.1uF and 1uF) to keep ADC noise low; sharing noisy digital ground with AVSS directly degrades the 12-bit converter's effective resolution.
ICSP programming on the dsPIC33EP256MC206 requires a matched PGECx/PGEDx pair - PGEC2 must pair with PGED2, for example; mixing channels from different pairs causes programming failures (confirmed on the northernsoftware.com support page for this device). Also note Peripheral Pin Select only remaps a subset of digital peripherals: some functions such as I2C and the input capture restrictions documented in Section 11.4 of the family data sheet (DS70000657J) have fixed or limited mappings. Verify PPS availability before finalizing your pin assignment.
For motor-control PWM outputs driving long traces or gate drivers, keep the complementary PWM pairs matched in length and route them away from the ADC input lines (AN0-AN20). The 70 MIPS core switching noise can couple into the analog domain; use the analog ground plane under AVSS as a moat and route analog sense lines differentially into the integrated op amps. If using the QEI encoder inputs, add RC filtering (approximately 1k/100pF) at the connector to suppress motor brush noise.
Estimated: at 70 MIPS with all peripherals active, typical core current is in the tens of mA range per Microchip family data sheet DS70000657J (exact figure: consult the DC Characteristics table). Even at a conservative 50 mA from 3.3V, power dissipation is only about 165 mW; with a TQFP-64 theta_JA around 50-60 C/W (typical for 10x10 TQFP on 2-layer board - verify in datasheet), junction rise is roughly 10C, so no heatsinking is required. The -I grade ceiling of +85C ambient leaves ample margin in most industrial enclosures; use -E/PT above that.
معلومات الامتثال
RoHS/lead-free per standard Microchip catalog part status; request the manufacturer material declaration for REACH and halogen details.
