DSPIC33EP128MC206-I/PT - 16-bit DSC, 60 MIPS, 128KB | Microchip
MPN: DSPIC33EP128MC206-I/PT ✓ פעילDSPIC33EP128MC206-I/PT סקירה
A digital signal controller combines the control peripherals of a microcontroller with the math throughput of a DSP in a single 16-bit core. Within the power-management hierarchy of an embedded system, the DSC sits at the top of the real-time control chain, replacing separate MCU-plus-DSP designs in motor drives, digital power supplies, and other closed-loop control systems where deterministic interrupt latency and fast multiply-accumulate throughput are essential.
Key features include high-resolution motor-control PWM outputs with complementary modes and dead-time insertion, multiple UART, SPI and I2C serial interfaces, QEI (quadrature encoder interface) support, DMA channels, and five 16-bit timers. The integrated analog subsystem provides a high-speed 10-bit or 12-bit ADC with multiple sample-and-hold circuits, enabling simultaneous sampling of phase currents in field-oriented control (FOC) schemes.
The dsPIC33E architecture is a modified Harvard, 16-bit core built in CMOS flash process technology, executing most instructions in a single cycle at up to 60 MIPS. DSP-class instructions (MAC, MPY, dual operand fetch) and two address generation units allow efficient execution of FOC, PID, and filter algorithms without external DSP assistance. The -I temperature grade (-40C to +85C) suits industrial environments, while the -E variant extends to 125C for automotive and high-heat applications.
Typical applications include brushless DC and PMSM motor control, digitally controlled power supplies and inverters, servo drives, and industrial automation. The MC (motor control) peripheral set, including motor-control PWM and QEI inputs, makes this part a natural fit for precision motion systems.
Design consideration: connect all VDD/VSS pairs and use the dedicated VCAP pin with the recommended low-ESR capacitor for the internal 2.5V core regulator; omitting or undersizing this capacitor is a common source of erratic operation.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer or distributor listing.
חלופות תחליף ישיר עבור DSPIC33EP128MC206-I/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם DSPIC33EP128MC206-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core, Operating Temperature, Packaging, Supply Voltage.
DSPIC33EP128MC206-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP256MC206-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP64MC206-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MC506-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP128GP206-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP128GM306-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128GM304T-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MC206-I/PT דירוגים מרביים ומאפיינים חשמליים
| Core | dsPIC33E 16-bit |
| Maximum Operating Frequency | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 16 KB |
| מתח אספקה | 3.0 V to 3.6 V (3.3 V typical) |
| מארז | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| טמפרטורת פעולה | -40C to +85C (I grade) |
| Timers | 5 x 16-bit |
| DMA Channels | 4 |
| Communication Interfaces | UART, SPI, I2C, LINbus, QEI |
| Motor Control PWM | Yes |
| ADC | 10/12-bit high-speed ADC |
| סוג הרכבה | Surface Mount |
| Technology | CMOS Flash |
| סטטוס RoHS | Compliant |
| Packaging | Tray |
תצורת פינים של DSPIC33EP128MC206-I/PT
| פין 1 | MCLR — Master clear reset / ICSP programming voltage input |
| פין 2 | AN0/VREF+/RB0 — Analog input 0 / ADC positive reference / Port B0 |
| פין 3 | AN1/VREF-/RB1 — Analog input 1 / ADC negative reference / Port B1 |
| פין 4 | AN2/SS1/RB2 — Analog input 2 / SPI slave select 1 / Port B2 |
| פין 5 | AN3/INDX/RB3 — Analog input 3 / QEI index / Port B3 |
| פין 6 | AN4/QEA/RB4 — Analog input 4 / QEI phase A / Port B4 |
| פין 7 | AN5/QEB/RB5 — Analog input 5 / QEI phase B / Port B5 |
| פין 8 | AN6/OCFA/RC0 — Analog input 6 / PWM fault A / Port C0 |
| פין 9 | AN7/RC1 — Analog input 7 / Port C1 |
| פין 10 | AN8/RC2 — Analog input 8 / Port C2 |
| פין 11 | AN9/RC3 — Analog input 9 / Port C3 |
| פין 12 | VDD — Digital power supply (3.0-3.6 V) |
| פין 13 | VSS — Digital ground |
| פין 14 | OSC1/CLKI/RA2 — Crystal oscillator input / external clock input |
| פין 15 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output |
| פין 16 | SOSCI/CN1/RC13 — Secondary oscillator input / change notification 1 |
| פין 17 | SOSCO/T1CK/CN0/RA4 — Secondary oscillator output / Timer1 clock input |
| פין 18 | VDD — Digital power supply |
| פין 19 | VSS — Digital ground |
| פין 20 | AN10/RTCC/RB6 — Analog input 10 / RTCC alarm / Port B6 |
| פין 21 | AN11/RB7 — Analog input 11 / Port B7 |
| פין 22 | VSS — Digital ground |
| פין 23 | VDD — Digital power supply |
| פין 24 | AN12/RB8 — Analog input 12 / Port B8 |
| פין 25 | AN13/RB9 — Analog input 13 / Port B9 |
| פין 26 | TMS/RB10 — JTAG test mode select / Port B10 |
| פין 27 | TCK/RB11 — JTAG test clock / Port B11 |
| פין 28 | TDI/RB12 — JTAG test data input / Port B12 |
| פין 29 | TDO/RB13 — JTAG test data output / Port B13 |
| פין 30 | VSS — Digital ground |
| פין 31 | VDD — Digital power supply |
| פין 32 | PWM1L1/RE0 — Motor control PWM1 low output 1 / Port E0 |
| פין 33 | PWM1H1/RE1 — Motor control PWM1 high output 1 / Port E1 |
| פין 34 | PWM1L2/RE2 — Motor control PWM1 low output 2 / Port E2 |
| פין 35 | PWM1H2/RE3 — Motor control PWM1 high output 2 / Port E3 |
| פין 36 | PWM1L3/RE4 — Motor control PWM1 low output 3 / Port E4 |
| פין 37 | PWM1H3/RE5 — Motor control PWM1 high output 3 / Port E5 |
| פין 38 | PWM2L1/RE6 — Motor control PWM2 low output 1 / Port E6 |
| פין 39 | PWM2H1/RE7 — Motor control PWM2 high output 1 / Port E7 |
| פין 40 | PWM2L2/RF0 — Motor control PWM2 low output 2 / Port F0 |
| פין 41 | PWM2H2/RF1 — Motor control PWM2 high output 2 / Port F1 |
| פין 42 | VDD — Digital power supply |
| פין 43 | VSS — Digital ground |
| פין 44 | RF2/SDI1/U1RX — SPI1 data in / UART1 receive |
| פין 45 | RF3/SDO1/U1TX — SPI1 data out / UART1 transmit |
| פין 46 | RF6/SCK1 — SPI1 serial clock |
| פין 47 | RF7/SS1 — SPI1 slave select |
| פין 48 | RF8/SDA1 — I2C1 data |
| פין 49 | RF13/SCL1 — I2C1 clock |
| פין 50 | VCAP — Internal 2.5V core regulator capacitor - connect low-ESR 10uF+0.1uF to VSS |
| פין 51 | RD0 — Port D0 |
| פין 52 | RD1 — Port D1 |
| פין 53 | RD2 — Port D2 |
| פין 54 | RD3 — Port D3 |
| פין 55 | RD4 — Port D4 |
| פין 56 | RD5 — Port D5 |
| פין 57 | RD6 — Port D6 |
| פין 58 | RD7 — Port D7 |
| פין 59 | RD8 — Port D8 |
| פין 60 | RD9 — Port D9 |
| פין 61 | RD10 — Port D10 |
| פין 62 | RD11 — Port D11 |
| פין 63 | AVDD — Analog power supply - connect to VDD via RC filter |
| פין 64 | AVSS — Analog ground |
יישומים טיפוסיים
DSPIC33EP128MC206-I/PT מתאים עבור 6 יישוםs: Brushless DC / PMSM Motor Control, Digitally Controlled Power Supplies, Industrial Automation and Robotics, Solar Inverters and Energy Systems, Electric Vehicle Auxiliary Systems, Test, Measurement and Instrumentation.
Brushless DC / PMSM Motor Control
The DSPIC33EP128MC206-I/PT is purpose-built for BLDC and PMSM drives: its motor-control PWM modules generate complementary output pairs with programmable dead time, while the QEI interface reads incremental encoder position for closed-loop commutation. The high-speed ADC samples two phase currents with a single trigger, feeding field-oriented control (FOC) algorithms that execute efficiently using the core's DSP MAC instructions at 60 MIPS. In a typical 48V servo topology, the PWM feeds a three-phase gate driver such as the MIC4104-class half-bridge driver, with current-sense amplifiers (e.g., MCP6C02) conditioning shunt signals into the ADC. The deterministic 16-bit interrupt latency keeps current-loop bandwidth high without external DSP support, and the -40C to +85C industrial temperature grade suits factory floor drives.
מומלץ
Digitally Controlled Power Supplies
Switching power supplies benefit from the MC206's combination of high-resolution PWM, fast ADC, and DMA-driven data movement. A digital PFC or LLC controller can sample output voltage and current every switching cycle, execute compensation in firmware, and update PWM duty within the cycle. The 4 DMA channels offload ADC result transfers so the CPU runs control and housekeeping code in parallel. At 60 MIPS, a 10 kHz voltage loop with a 100 kHz inner current loop is comfortably achievable with margin. Use the device's internal oscillator for cost-sensitive designs or an external crystal for tight timing accuracy in interleaved topologies. Peripheral Pin Select on the dsPIC33E lets designers route PWM fault inputs and serial telemetry flexibly, reducing board respins during supply development and prototyping.
מומלץ
Industrial Automation and Robotics
In factory automation nodes, the MC206 acts as a real-time motion and I/O controller. Five 16-bit timers support multi-axis step generation, the QEI ports track encoder feedback, and UART, SPI, and I2C interfaces link to motor drivers, sensors, and HMI displays. The 16KB RAM accommodates motion trajectory buffers and communication stacks simultaneously. LINbus support enables vehicle-style sensor busses on industrial AGVs. Operating reliably from -40C to +85C, the part tolerates panel-mounted enclosures without forced cooling. Typical deployments include conveyor positioning, pick-and-place axes, and closed-loop valve control, where the deterministic 16-bit core provides consistent cycle times that general-purpose 32-bit MCUs with cache-based architectures may not guarantee under worst-case code paths.
מומלץ
Solar Inverters and Energy Systems
Micro-inverter and solar-optimizer designs use the MC206's 12-bit ADC for simultaneous PV voltage/current sensing and grid synchronization, with the high-resolution PWM generating the switching waveforms. The 60 MIPS core executes MPPT algorithms and grid-current control loops concurrently; the DSP instruction set accelerates the multiply-heavy MPPT calculations. Extended-functionality PLL code locks the inverter output to grid frequency, and fault trip inputs shut down PWM outputs within one PWM cycle on overcurrent events. The industrial temperature range and 3.3V single-supply operation simplify power architecture in sealed outdoor enclosures. Firmware-boot security features protect proprietary MPPT IP, and the pin-compatible 256KB sibling (DSPIC33EP256MC206) provides an upgrade path for richer grid-compliance firmware stacks.
מומלץ
Electric Vehicle Auxiliary Systems
Beyond traction inverters, EVs need motor control for pumps, fans, compressors, and actuators - a fit for the MC206's MC peripheral set. The -E grade variant (DSPIC33EP128MC206-E/PT) extends rating to +125C for under-hood locations. The QEI handles position feedback in throttle and HVAC actuators, while LINbus interfaces to body-controller networks. PWM fault inputs provide hardware-level protection for solenoid drivers, and the 12-bit ADC reads NTC thermistor and Hall-effect sensor signals for thermal management. Firmware can implement sensorless FOC for coolant pumps using the DSP math acceleration, eliminating encoder cost. Layout guidance: keep ADC reference traces short and use synchronous rectification timing margins generously, since automotive supply transients stress control-loop timing.
מומלץ
Test, Measurement and Instrumentation
The MC206 serves as a flexible real-time controller in bench instruments: arbitrary waveform sequencing, motorized stage control, and sensor data acquisition. Its multiple UART/SPI/I2C ports talk to front-panel displays, USB-bridge ICs, and precision ADCs concurrently, while the DMA channels stream sampled data to RAM without CPU intervention. The 60 MIPS DSP core applies windowing and filtering to captured signals in real time - a 1024-point FIR filter executes in well under a millisecond. The 64-TQFP exposes enough GPIO for relay matrix and range-switching control in DMM-style front ends. Development benefits from full ICSP/ICD debug support via PGEC/PGED pairs, supported by Microchip MPLAB X tooling and third-party programmers such as NSDSP, enabling rapid firmware iteration during instrument bring-up.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33EP128MC206-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33EP128MC206-E/PT | DSPIC33EP256MC206-I/PT | DSPIC33EP64MC206-I/PT | DSPIC33EP128MC506-I/PT | DSPIC33EP128GP206-I/PT | DSPIC33EP128GM306-E/PT | DSPIC33EP128GM304T-I/PT |
|---|---|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS | dsPIC33E, 60 MIPS |
| Flash | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Motor-Control PWM / QEI | Yes (MC family) | Yes | Yes | Yes | Yes | No (GP family) | No (GM family) | No (GM family) |
| On-Chip Op Amps | No | No | No | No | Yes (current-sense op amps) | No | No | No |
מבדילים עיקריים
- Dedicated motor-control PWM with complementary outputs and dead-time insertion (לעומתDSPIC33EP128GP206-I/PT)
- Extended temperature option without footprint change (לעומתDSPIC33EP128MC206-E/PT)
- Integrated current-sense op amps available in same footprint (לעומתDSPIC33EP128MC506-I/PT)
הערות תכנון
The VCAP pin (pin 50) connects to the internal 2.5V core regulator and MUST have the datasheet-recommended low-ESR capacitor (typically 10uF electrolytic/tantalum in parallel with 0.1uF ceramic) to VSS. Omitting it or using a high-ESR part causes brown-out resets and erratic execution - the most common dsPIC33E field failure. Estimated: with all VDD pins properly decoupled at 0.1uF each, supply ripple under 60 MIPS load stays within the 3.0-3.6V operating window.
Split the analog and digital domains: route AVDD (pin 63) from VDD through an RC filter (e.g., 10 ohm + 1uF) and return analog ground exclusively to AVSS (pin 64). Keep ADC input traces away from PWM output pairs, which switch with fast edges and couple into the high-speed ADC. Place the crystal within 10-15 mm of OSC1/OSC2 with guard ground, and route one PGECx/PGEDx pair to a programming header - matched pairs only, per Northern Software ICSP notes.
All VDD/VSS pairs must be connected even if the pin multiplexes a port function - floating a power pin causes intermittent behavior. Peripheral Pin Select (PPS) must be configured before UART/SPI/I2C pins function; forgetting PPS lock (unlock sequence) is a frequent first-bring-up failure. Also, PWM outputs default to safe (inactive) state on reset - verify dead-time polarity against your gate driver logic before first power-up of a motor inverter to avoid shoot-through.
Complementary PWM pairs (PWM1H1/L1 etc.) should be routed as closely matched differential-length traces to the gate drivers to preserve dead-time accuracy in FOC drives. Estimated: at 0.5 mm TQFP pitch and typical 2-layer breakout, keeping each PWM pair within 5 mm length mismatch keeps dead-time skew well under 1 ns - negligible versus the ~10-100 ns typical dead-time settings.
מידע על תאימות
RoHS compliant and lead-free per DigiKey and OnlineComponents listings. -I grade is not AEC-Q100 qualified; use -E grade and verify automotive qualification on Microchip's automotive selector.