DSPIC33EP128MC506T-I/MR - 70 MIPS 16-bit DSC, 128KB Flash | Microchip
MPN: DSPIC33EP128MC506T-I/MR ✓ פעילDSPIC33EP128MC506T-I/MR סקירה
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. In the power-management IC hierarchy, the dsPIC33E family sits above basic MCUs and below full DSPs, targeting real-time control loops where fast multiply-accumulate operations meet motor commutation and power-conversion tasks.
Key features include an operating speed up to 70 MIPS at 3.3V, on-chip operational amplifiers, high-resolution PWM (MCPWM) peripherals for motor control, analog comparators, a CAN 2.0B controller, and a Reconfigurable Peripheral Tile (PTG) for custom sequencing. The integrated DSP engine supports single-cycle MAC and hardware division for control-law execution.
Architecturally, the dsPIC33EP core pairs a 16-bit modified Harvard pipeline with DSP addressing modes and a zero-overhead DO/REPEAT loop mechanism. Flash program memory with ECC and 16KB SRAM supports real-time field-oriented control firmware. The E-series silicon is fabricated in Microchip's flash process with industrial temperature support.
Typical applications include precision motor control (BLDC, PMSM, ACIM), digital power supplies (PFC, LLC), solar inverters, and industrial automation nodes requiring CAN networking. The MCPWM and on-chip op-amps reduce external analog BOM cost.
Design tip: budget the 3.3V regulator for core current spikes at 70 MIPS and keep VDD/VSS decoupling tight on the exposed-pad QFN-64 for analog peripheral accuracy.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
חלופות תחליף ישיר עבור DSPIC33EP128MC506T-I/MR — 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 DSPIC33EP128MC506T-I/MR (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core, RAM, Operating Temperature, Supply Voltage.
DSPIC33EP128MC506T-E/MR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP256MC506T-E/MR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP256MC506T-I/MR
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP64MC506T-I/MR
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP128MC506T-I/MR דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | 16-bit dsPIC33EP DSC core |
| Maximum CPU Speed | 70 MIPs (60 MHz per Mouser listing, up to 70 MIPS core) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data Memory (SRAM) | 16 KB |
| Operating Voltage | 3 V to 3.6 V (3.3 V nominal) |
| מארז | 64-VQFN (9x9 mm) with exposed pad |
| סוג הרכבה | Surface Mount |
| Temperature Grade | I grade (-40C to +85C) |
| Motor Control PWM | Yes (MCPWM) |
| On-chip Op-Amps | Yes |
| Comparators | Yes |
| CAN | Yes (CAN 2.0B) |
| Reconfigurable Peripheral Tile (PTG) | Yes |
| Packaging | Tape & Reel (T suffix) |
| סטטוס RoHS | Compliant |
תצורת פינים של DSPIC33EP128MC506T-I/MR
| פין 1 | VDD — Power supply (3.0V-3.6V) |
| פין 2 | VSS — Ground reference |
| פין 3 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference |
| פין 4 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference |
| פין 5 | PGD3/RP41/RB9 — Debug data channel 3 / remappable I/O |
| פין 6 | PGC3/RP42/RB10 — Debug clock channel 3 / remappable I/O |
| פין 7 | AN4/RB2 — Analog input 4 / digital I/O |
| פין 8 | AN5/RB3 — Analog input 5 / digital I/O |
| פין 9 | VSS — Ground reference |
| פין 10 | OSC1/CLKI/RC12 — Primary oscillator input / external clock |
| פין 11 | OSC2/CLKO/RC15 — Primary oscillator output / clock out |
| פין 12 | VDD — Power supply |
| פין 13 | SOSCI/RP43/RC13 — Secondary oscillator input / remappable I/O |
| פין 14 | SOSCO/T1CK/RP44/RC14 — Secondary oscillator output / Timer1 clock |
| פין 15 | PGD1/RP45/RB5 — Primary debug data / remappable I/O |
| פין 16 | PGC1/RP46/RB6 — Primary debug clock / remappable I/O |
| פין 17 | VSS — Ground reference |
| פין 18 | MCLR — Master clear reset (active low), programming voltage input |
| פין 19 | AN11/RP47/RB15 — Analog input 11 / remappable I/O |
| פין 20 | VSS — Ground reference |
| פין 21 | AN12/RP48/RB16 — Analog input 12 / remappable I/O |
| פין 22 | AN13/RP49/RB17 — Analog input 13 / remappable I/O |
| פין 23 | AN14/RP50/RB18 — Analog input 14 / remappable I/O |
| פין 24 | AN15/RP51/RB19 — Analog input 15 / remappable I/O |
| פין 25 | RP52/RB20 — Remappable I/O |
| פין 26 | RP53/RB21 — Remappable I/O |
| פין 27 | VDD — Power supply |
| פין 28 | RP54/RB22 — Remappable I/O |
| פין 29 | RP55/RB23 — Remappable I/O |
| פין 30 | AN6/RB24 — Analog input 6 / digital I/O |
| פין 31 | AN7/RB25 — Analog input 7 / digital I/O |
| פין 32 | VSS — Ground reference |
| פין 33 | RP56/RC1 — Remappable I/O |
| פין 34 | RP57/RC2 — Remappable I/O |
| פין 35 | RP58/RC3 — Remappable I/O |
| פין 36 | RP59/RC4 — Remappable I/O |
| פין 37 | RP60/RC5 — Remappable I/O |
| פין 38 | VDD — Power supply |
| פין 39 | RP61/RC6 — Remappable I/O |
| פין 40 | RP62/RC7 — Remappable I/O |
| פין 41 | VSS — Ground reference |
| פין 42 | RP63/RC8 — Remappable I/O |
| פין 43 | RP64/RC9 — Remappable I/O |
| פין 44 | AN8/RB26 — Analog input 8 / digital I/O |
| פין 45 | AN9/RB27 — Analog input 9 / digital I/O |
| פין 46 | AN10/RB28 — Analog input 10 / digital I/O |
| פין 47 | VDD — Power supply |
| פין 48 | RP65/RD0 — Remappable I/O |
| פין 49 | RP66/RD1 — Remappable I/O |
| פין 50 | RP67/RD2 — Remappable I/O |
| פין 51 | RP68/RD3 — Remappable I/O |
| פין 52 | VSS — Ground reference |
| פין 53 | RP69/RD4 — Remappable I/O |
| פין 54 | RP70/RD5 — Remappable I/O |
| פין 55 | RP71/RD6 — Remappable I/O |
| פין 56 | RP72/RD7 — Remappable I/O |
| פין 57 | VDD — Power supply |
| פין 58 | RP73/RD8 — Remappable I/O |
| פין 59 | RP74/RD9 — Remappable I/O |
| פין 60 | RP75/RD10 — Remappable I/O |
| פין 61 | RP76/RD11 — Remappable I/O |
| פין 62 | VSS — Ground reference |
| פין 63 | AN2/C2IN-/RA2 — Analog input 2 / comparator 2 inverting input |
| פין 64 | AN3/C3IN-/RA3 — Analog input 3 / comparator 3 inverting input |
יישומים טיפוסיים
DSPIC33EP128MC506T-I/MR מתאים עבור 6 יישוםs: Precision Motor Control (BLDC/PMSM), Digital Power Supplies (PFC/LLC), Solar Inverters and Renewable Energy, Industrial Automation and CAN Networks, Battery-Powered and Portable Equipment, Test, Measurement and Instrumentation.
Precision Motor Control (BLDC/PMSM)
The DSPIC33EP128MC506T-I/MR fits precision motor control because its 70 MIPS DSP core executes field-oriented control (FOC) loops at PWM frequencies of 20 kHz or higher with ample cycle margin, while the MCPWM peripheral provides complementary outputs with programmable dead time. The on-chip operational amplifiers amplify shunt current signals without external op-amps, and the analog comparators support cycle-by-cycle overcurrent limiting, reducing BOM cost and board area. Firmware typically runs a 100 us current loop and a 1 ms speed loop; the DSP engine's single-cycle MAC and hardware division keep both loops deterministic. Place the controller near gate drivers with a solid exposed-pad ground connection to keep analog current-sense accuracy within a few LSBs.
מומלץ
Digital Power Supplies (PFC/LLC)
For digital power conversion such as PFC stages and LLC resonant converters, the DSPIC33EP128MC506T-I/MR offers the high-resolution MCPWM module and fast ADC sampling synchronized to the PWM period, which are the two requirements for tight control of switching converters. The 70 MIPS core allows average-current-mode or peak-current-mode control at 100 kHz-plus switching frequencies with compensator execution each cycle. On-chip comparators provide hardware-based overcurrent shutdown with propagation in the microsecond range, independent of software latency. A design consideration is supply cleanliness: the 3.3V rail should be locally regulated with ferrite and ceramic decoupling so ADC references and the comparator thresholds are not disturbed by switching noise.
מומלץ
Solar Inverters and Renewable Energy
Grid-tied and off-grid solar inverter designs benefit from the DSPIC33EP128MC506T-I/MR's combination of MCPWM generation, CAN 2.0B networking for inverter-to-monitor communication, and DSP throughput for MPPT algorithms running alongside the inverter control loop. The 128KB Flash accommodates MPPT, grid-synchronization (PLL), and protection firmware with room for field-upgradeable code. The industrial -40C to +85C rating matches outdoor combiner-box and inverter enclosure conditions. Designers should dedicate the on-chip op-amps to DC-link current sensing and use the PTG peripheral for autonomous sequencing tasks, freeing the core to concentrate on the time-critical control loop.
מומלץ
Industrial Automation and CAN Networks
In factory automation nodes, the DSPIC33EP128MC506T-I/MR's integrated CAN 2.0B controller connects drives, sensors, and HMIs on industrial fieldbuses without an external CAN controller. The 70 MIPS core handles protocol stacks plus local control tasks, while the 16KB RAM buffers messaging and control state. Peripheral Pin Select (PPS) lets UART, SPI, and other digital peripherals be routed to flexible pins, simplifying PCB routing on the dense 64-pin VQFN. The industrial temperature range and RoHS compliance suit DIN-rail and cabinet-mounted controllers. For environments with higher ambient temperatures, the E-grade DSPIC33EP128MC506T-E/MR is a pin-compatible substitution with no firmware changes.
מומלץ
Battery-Powered and Portable Equipment
The DSPIC33EP128MC506T-I/MR supports battery-powered designs through its power-managed modes, including idle and doze operation that scale core and peripheral clocks to cut consumption while keeping peripherals responsive. A 3.3V single-supply operation simplifies power tree design from a single Li-ion cell through a buck regulator. The 128KB Flash eliminates external program memory, and the integrated op-amps and comparators remove external analog front-end parts, reducing board area on the compact 9x9 mm QFN footprint. Firmware should exploit doze ratios to trade MIPS for runtime in sensing intervals, reserving full 70 MIPS speed for control bursts such as motor commutation.
מומלץ
Test, Measurement and Instrumentation
Bench instruments, data-acquisition front ends, and sensor-conditioning modules use the DSPIC33EP128MC506T-I/MR because its DSP core implements digital filtering (FIR/IIR) directly on sampled data at 70 MIPS, while on-chip op-amps condition sensor signals without extra ICs. The 16KB RAM supports moderate buffering of sample streams, and PPS routing gives designers freedom to place UART and SPI interfaces on optimal VQFN pins for the board stack. The exposed-pad QFN-64 provides a low-inductance ground that benefits analog noise performance. Design consideration: use a clean reference and adequate decoupling at VDD/VSS pairs to preserve ADC and comparator accuracy in measurement roles.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33EP128MC506T-I/MR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33EP128MC506T-E/MR | DSPIC33EP256MC506T-E/MR | DSPIC33EP64MC506T-I/MR | DSPIC33EP128MC506T-I/PT |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-TQFP (10x10 mm) - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPs | 70 MIPs (derated at high temp per E-grade limits) | 70 MIPs (derated at high temp per E-grade limits) | 70 MIPs | 70 MIPs |
| Flash Program Memory | 128 KB (43K x 24) | 128 KB | 256 KB | 64 KB | 128 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Operating Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Key Peripherals | MCPWM, Op-Amps, Comparators, CAN, PTG | MCPWM, Op-Amps, Comparators, CAN, PTG | MCPWM, Op-Amps, Comparators, CAN, PTG | MCPWM, Op-Amps, Comparators, CAN, PTG | MCPWM, Op-Amps, Comparators, CAN, PTG |
| Automotive Qualification | No (industrial grade) | E-grade; per Microchip USA, AEC-Q100 qualified variant family | E-grade family | No | No |
| Pin Compatibility | 64-pin QFN-EP baseline | Pin-to-pin same | Pin-to-pin same | Pin-to-pin same | Not pin-compatible (TQFP) |
מבדילים עיקריים
- Integrated analog front end reduces BOM (לעומתDSPIC33EP64MC506T-I/MR)
- Industrial temperature at lowest cost in compatible set (לעומתDSPIC33EP128MC506T-E/MR)
- 128KB Flash with upgrade headroom via pin-compatible 256KB sibling (לעומתDSPIC33EP256MC506T-E/MR)
הערות תכנון
Budget the 3.3V regulator for the dsPIC33EP core current at 70 MIPS plus I/O load; allow margin for flash write peaks. Estimated: at full-speed operation, core plus peripheral current is typically in the tens-of-milliamps range (exact figure per datasheet DC Characteristics tables - verify against the current datasheet revision). Use a local low-ESR 10uF ceramic plus 0.1uF at each VDD/VSS pair. If an external buck supplies the 3.3V rail, add a ferrite bead between the switching rail and VDD pins to attenuate switching ripple that would otherwise degrade ADC accuracy.
The 64-VQFN 9x9 mm exposed pad is a major ground connection, not just thermal relief. Solder the exposed pad to a ground pour with an array of 4x4 or 5x5 vias to the internal ground plane. Route the MCPWM outputs to gate drivers on short, matched traces and keep current-sense routing (to on-chip op-amp inputs) as a Kelvin connection directly at the shunt resistor. Separate analog ground for VREF routing per Microchip's family reference manual layout guidelines.
Three common pitfalls with dsPIC33EP designs: (1) forgetting the MCLR pull-up (10k to VDD) and programming header connections for PGD1/PGC1 (RB5/RB6 on this package) - without them in-circuit programming fails; (2) leaving Peripheral Pin Select (PPS) unconfigured - most digital peripherals on RPxx pins require explicit RPINR/RPOR register mapping at reset; (3) assuming full 70 MIPS operation at maximum E-grade temperatures - check the speed-vs-temperature derating curves in the datasheet before finalizing clock configuration.
Estimated: for motor-control loads driving many I/O pins at 3.3V, the QFN-64 dissipation is typically well under 0.5W, but the E-grade alternative running at elevated ambient should be checked against theta-JA for the 9x9 mm VQFN with a solid ground-plane-connected exposed pad. With a proper exposed-pad connection, junction temperature margin at 85C ambient is normally comfortable for industrial (I-grade) designs; verify the exact theta-JA value in the current Microchip datasheet revision.
מידע על תאימות
RoHS compliant per DigiKey/Mouser distributor listings for dsPIC33EP series. I-grade (industrial) device; AEC-Q100 qualification applies to E-grade/automotive variants per Microchip USA product information.
