DSPIC33EP128MU206-I/PT - 16-bit DSC 128KB Flash 70MIPS | Microchip
MPN: DSPIC33EP128MU206-I/PT ✓ פעילDSPIC33EP128MU206-I/PT סקירה
A digital signal controller combines the computational power of a DSP core with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33EP family sits under Microchip's 16-bit architecture family, which descends from the broader digital signal processor product category. DSCs are widely used wherever real-time math-intensive control loops meet general-purpose I/O, such as motor control, digital power conversion, and embedded sensing.
Key features of this part include the 16-bit dsPIC33E core running up to 70 MIPS at 3.3V, an internal fast RC oscillator with PLL for flexible clocking, a 12-bit ADC with multiple sample-and-hold channels, USB OTG support characteristic of the MU sub-family, multiple UART, SPI, and I2C serial ports, and hardware DSP multiply-accumulate instructions for filtering and control algorithms. Embedded flash supports in-circuit self-programming.
Architecturally, the dsPIC33E core uses a modified Harvard bus with dedicated DSP engine, single-cycle MAC, and dual operand fetch, enabling efficient execution of PID loops, FFTs, and FIR/IIR filters. Peripheral Trigger Generator and DMA resources offload CPU bandwidth, keeping deterministic response in closed-loop control applications such as field-oriented motor drive.
Typical applications include BLDC and PMSM motor control, digital SMPS and LED drivers, USB-connected industrial sensors, medical and portable instrumentation, and general embedded control requiring DSP-class math.
Design consideration: budget the internal regulator and decoupling per the manufacturer datasheet, and verify USB timing against the system oscillator configuration.
This page synthesizes distributor pricing context, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
חלופות תחליף ישיר עבור DSPIC33EP128MU206-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 DSPIC33EP128MU206-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core, Supply Voltage, Timers, Operating Temperature.
DSPIC33EP256MU206-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP64MU206-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP128MU206T-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MC206-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128GM306-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MU204T-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MU206-I/PT דירוגים מרביים ומאפיינים חשמליים
| Core Processor | dsPIC33E 16-bit DSC core |
| Core Size | 16-bit |
| Max CPU Speed | 70 MIPS |
| Program Memory Size | 128 KB Flash |
| RAM Size | 16 KB |
| ADC Resolution | 12-bit |
| טמפרטורת פעולה | -40C to +85C (I grade) |
| מארז | 64-pin TQFP (PT) |
| סוג הרכבה | Surface Mount |
| USB | USB 2.0 OTG (MU sub-family) |
| Oscillator Type | Internal Fast RC + PLL, external crystal |
| Base Product Number | DSPIC33EP128MU206 |
| Packaging | Tray |
| Series | dsPIC33EP |
תצורת פינים של DSPIC33EP128MU206-I/PT
| פין 1 | MCLR — Master clear reset input / programming voltage |
| פין 2 | AN0/CN2B/RB0 — Analog input 0 / change notification / port B |
| פין 3 | AN1/CN3B/RB1 — Analog input 1 / change notification / port B |
| פין 4 | AN2/SS1/CN4B/RB2 — Analog input 2 / SPI slave select / port B |
| פין 5 | AN3/CN5B/RB3 — Analog input 3 / port B |
| פין 6 | AN4/C1IN-/CN6B/RB4 — Analog input 4 / comparator input / port B |
| פין 7 | AN5/C1IN+/CN7B/RB5 — Analog input 5 / comparator input / port B |
| פין 8 | VSS — Ground reference |
| פין 9 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock |
| פין 10 | OSC2/CLKO/CN29/RA3/RC15 — Oscillator crystal output / clock output |
| פין 11 | RG8/CN11 — General purpose I/O port G |
| פין 12 | RG9/CN12 — General purpose I/O port G |
| פין 13 | VDD — Positive supply |
| פין 14 | RG6/SDO2/CN4 — SPI2 data out / port G |
| פין 15 | RG7/SCK2/INT0/CN5 — SPI2 clock / external interrupt 0 / port G |
| פין 16 | VCAP/VDDCORE — Core regulator capacitor connection |
| פין 17 | AN6/RG0 — Analog input 6 / port G |
| פין 18 | AN7/RG1 — Analog input 7 / port G |
| פין 19 | AN8/RG2/PWM1L — Analog input 8 / port G / PWM output |
| פין 20 | AN9/RG3/PWM1H — Analog input 9 / port G / PWM output |
| פין 21 | VSS — Ground reference |
| פין 22 | AN10/CVref/RC0/PWM2L — Analog input 10 / comparator voltage reference / port C |
| פין 23 | AN11/C2IN+/RC1/PWM2H — Analog input 11 / comparator input / port C |
| פין 24 | AN12/C2IN-/RC2/PWM3L — Analog input 12 / comparator input / port C |
| פין 25 | AN13/RC3/PWM3H — Analog input 13 / port C |
| פין 26 | VDD — Positive supply |
| פין 27 | SOSCI/CN1/RC13 — Secondary oscillator input / port C |
| פין 28 | SOSCO/T1CK/CN0/RC14 — Secondary oscillator output / Timer1 clock / port C |
| פין 29 | RF4/U1RX/SDI1/CN17 — UART1 receive / SPI1 data in / port F |
| פין 30 | RF5/U1TX/SDO1/CN18 — UART1 transmit / SPI1 data out / port F |
| פין 31 | VBUS — USB bus voltage sense |
| פין 32 | RD8/RP56 — Remappable peripheral pin / port D |
| פין 33 | VDD — Positive supply |
| פין 34 | RD9/RP57 — Remappable peripheral pin / port D |
| פין 35 | RD10/RP58 — Remappable peripheral pin / port D |
| פין 36 | RD11/RP59 — Remappable peripheral pin / port D |
| פין 37 | RD12/RP60 — Remappable peripheral pin / port D |
| פין 38 | RD13/RP61 — Remappable peripheral pin / port D |
| פין 39 | VSS — Ground reference |
| פין 40 | RD0/RP64 — Remappable peripheral pin / port D |
| פין 41 | RD1/RP65 — Remappable peripheral pin / port D |
| פין 42 | RD2/RP66 — Remappable peripheral pin / port D |
| פין 43 | RD3/RP67 — Remappable peripheral pin / port D |
| פין 44 | RD4/RP68 — Remappable peripheral pin / port D |
| פין 45 | RD5/RP69 — Remappable peripheral pin / port D |
| פין 46 | RD6/RP70 — Remappable peripheral pin / port D |
| פין 47 | RD7/RP71 — Remappable peripheral pin / port D |
| פין 48 | D+/RP54/RF3 — USB data plus / remappable pin / port F |
| פין 49 | D-/RP55/RF2 — USB data minus / remappable pin / port F |
| פין 50 | RF6/U2RX/SDI2/CN19 — UART2 receive / SPI2 data in / port F |
| פין 51 | RF7/U2TX/SDO2/CN20 — UART2 transmit / SPI2 data out / port F |
| פין 52 | RF8/U3RX/SDI3/CN21 — UART3 receive / SPI3 data in / port F |
| פין 53 | RF1/U3TX/SDO3/CN16 — UART3 transmit / SPI3 data out / port F |
| פין 54 | RF0/CN15 — General purpose I/O port F |
| פין 55 | RF13/U4RX/SCK3/CN14 — UART4 receive / SPI3 clock / port F |
| פין 56 | RF12/U4TX/SS3/CN13 — UART4 transmit / SPI3 slave select / port F |
| פין 57 | RA14/T2CK — Port A / Timer2 external clock |
| פין 58 | RA15/T3CK — Port A / Timer3 external clock |
| פין 59 | VSS — Ground reference |
| פין 60 | RB14/VREF-/AN14 — ADC negative voltage reference / analog input 14 / port B |
| פין 61 | RB15/VREF+/AN15 — ADC positive voltage reference / analog input 15 / port B |
| פין 62 | RB12/AN12 — Analog input 12 / port B |
| פין 63 | RB13/AN13 — Analog input 13 / port B |
| פין 64 | RB11/AN11/RTCC — Analog input 11 / RTCC alarm output / port B |
יישומים טיפוסיים
DSPIC33EP128MU206-I/PT מתאים עבור 6 יישוםs: BLDC and PMSM Motor Control, USB-Connected Industrial Sensors, Digital Power Conversion and SMPS, Portable and Battery-Powered Instrumentation, Audio Signal Processing, General Embedded Control with DSP Needs.
BLDC and PMSM Motor Control
The DSPIC33EP128MU206-I/PT fits sensorless and sensored motor drives because its 70 MIPS dsPIC33E core executes field-oriented control at loop rates of 10-20 kHz with single-cycle MAC math. The 12-bit ADC samples phase currents within microseconds of PWM triggers, enabling accurate FOC torque control. Firmware for sinusoidal and trapezoidal commutation fits comfortably in the 128 KB flash alongside diagnostics. Note that for USB-less motor-control designs, the pin-compatible DSPIC33EP128MC206 variant provides an enhanced PWM peripheral mix; either part shares the 64-TQFP footprint so the PCB layout carries over.
מומלץ
USB-Connected Industrial Sensors
Because the MU sub-family integrates USB 2.0 OTG, the DSPIC33EP128MU206-I/PT acts as a single-chip USB device or host for industrial sensing nodes - digital weight scales, bench instruments, and condition-monitoring probes. Sensor data is filtered on-chip using hardware DSP instructions and streamed over USB virtual COM or HID classes, removing a separate USB bridge chip from the BOM. The -40C to +85C industrial temperature grade matches factory-floor enclosures. A practical trade-off: USB needs a stable 48 MHz clock derived from crystal plus PLL, so budget the oscillator error margin in your USB compliance testing.
מומלץ
Digital Power Conversion and SMPS
The DSPIC33EP128MU206-I/PT implements digital control loops for AC-DC and DC-DC converters, LED drivers, and battery chargers. Its 70 MIPS core closes voltage and current loops at switching frequencies up to a few hundred kilohertz, while the 12-bit ADC with flexible trigger timing synchronizes sampling to PWM edges for accurate average-current sensing. The 128 KB flash stores multiple operating profiles and compensation tables. For purely digital-power sockets without USB, designers commonly drop in the pin-compatible DSPIC33EP128MC206, whose peripheral emphasis is tuned for switching power stages.
מומלץ
Portable and Battery-Powered Instrumentation
Handheld meters, data loggers, and portable medical accessories benefit from the DSPIC33EP128MU206-I/PT's combination of DSP throughput and integrated USB, letting one 16-bit DSC handle signal conditioning, FFT analysis, and PC connectivity. The 16 KB RAM buffers waveform windows for spectral processing, and self-programmable 128 KB flash supports field firmware upgrades over USB. Low-power sleep and idle modes reduce average current in duty-cycled designs. Engineers should verify the device's stop-current figures against their battery budget - consult the manufacturer datasheet power tables rather than assuming typical MCU sleep numbers.
מומלץ
Audio Signal Processing
The hardware DSP MAC engine of the DSPIC33EP128MU206-I/PT executes FIR and IIR filtering, sample-rate conversion, and basic audio effects at consumer audio rates, making it a cost-effective host for embedded sound features in appliances, intercoms, and kiosk systems. The 12-bit ADC digitizes microphone or line inputs, and multiple SPI/UART ports interface audio codecs or DACs. The 70 MIPS core leaves instruction headroom for UI and communications firmware. For high-fidelity applications, add an external codec - the on-chip 12-bit converter is targeted at control and communication quality, not hi-fi THD budgets.
מומלץ
General Embedded Control with DSP Needs
Many designs need a microcontroller plus occasional heavy math - PID with adaptive gains, FFT-based vibration checks, or cryptographic-style loops. The DSPIC33EP128MU206-I/PT covers this in one chip: general-purpose parallel and remappable peripheral pins handle switches, displays, and legacy buses, while the DSP engine accelerates math routines. The 64-pin TQFP offers roughly 50 usable I/O for system integration, and MPLAB X with XC16 provides a mainstream toolchain. Flash self-programming enables in-field feature updates, and the industrial -40C to +85C rating suits uncontrolled environments.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33EP128MU206-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33EP256MU206-I/PT | DSPIC33EP64MU206-I/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP128GM306-E/PT |
|---|---|---|---|---|---|
| Package | 64-pin TQFP (PT) | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 256 KB | 64 KB | 128 KB | 128 KB |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| USB OTG | Yes | Yes | Yes | No | No |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
| Target Application Focus | USB + general DSP control | USB + larger firmware | Cost-optimized USB | Motor control / digital power | High-temp industrial |
מבדילים עיקריים
- Integrated USB 2.0 OTG on-chip (לעומתDSPIC33EP128MC206-I/PT)
- Flash capacity scalability on the same footprint (לעומתDSPIC33EP256MU206-I/PT)
- Extended temperature option in same package (לעומתDSPIC33EP128GM306-E/PT)
- Cost advantage for smaller firmware (לעומתDSPIC33EP256MU206-I/PT)
הערות תכנון
The dsPIC33EP family uses an internal core regulator - connect the required low-ESR capacitor on the VCAP/VDDCORE pin (pin 16) per the manufacturer datasheet value; do not drive this pin externally. Decouple each VDD pin pair with 0.1 uF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF per supply domain. Estimated: at 70 MIPS with typical core current figures from the family datasheet, expect tens of milliamps total - size the 3.3V rail regulator accordingly with margin for USB load.
For the 64-TQFP, create a solid ground plane under the device and stitch the VSS pins directly to it with short vias. Route the USB D+/D- (pins 48/49) as a 90-ohm differential pair of matched length, avoiding stubs and crossings over splits. Keep analog input traces (AN0-AN15) short and away from PWM or clock lines; use VREF+/VREF- (pins 60/61) fed from a clean reference for better ADC accuracy. Follow the Microchip 16-bit MCU PCB layout guidance in the family design documentation.
Common pitfalls with dsPIC33EP parts: (1) forgetting MCLR pull-up (4.7-10k) and enabling MCLR reset can leave the device in an undefined state at power-up; (2) misconfiguring the PLL prescaler/postscaler so VCO exceeds datasheet limits - always verify FOSC against the oscillator calculator in MPLAB; (3) exceeding peripheral pin remap conflicts on RPn pins - validate the PPS assignment table before layout freeze; (4) USB designs failing compliance because crystal tolerance is outside the 48 MHz USB clock budget. Review configuration fuses checklist before first silicon bring-up.
Minimize ground bounce on PWM outputs driving MOSFET gate drivers by giving each PWM-H/L pair a dedicated return path and adding small series resistors (10-22 ohm) at gate pins. The 70 MIPS core switching noise can couple into the 12-bit ADC; insert an RC anti-alias filter on analog channels (e.g., 1k + 1 nF, Estimated corner ~159 kHz - verify against your signal bandwidth) and sample synchronously with PWM edges using the ADC trigger feature rather than free-running sampling.
מידע על תאימות
Microchip standard catalog parts are RoHS/lead-free. REACH and conflict-minerals status based on Microchip corporate compliance policies; obtain material declarations from Microchip's product page for the exact MPN. Not an automotive AEC-Q100 device.
