DSPIC33EP128MC506T-I/MR - 70 MIPS 16-bit DSC, 128KB Flash | Microchip
MPN: DSPIC33EP128MC506T-I/MR ✓ AktifDSPIC33EP128MC506T-I/MR Ringkasan
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.
Alternatif penggantian untuk DSPIC33EP128MC506T-I/MR — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian DSPIC33EP128MC506T-I/MR (sama faktor bentuk dan footprint) — berbeda di dalam Package, Core, RAM, Operating Temperature, Supply Voltage.
DSPIC33EP128MC506T-E/MR
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
DSPIC33EP256MC506T-E/MR
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33EP256MC506T-I/MR
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33EP64MC506T-I/MR
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33EP128MC506T-I/MR Rating Maksimal & Karakteristik Listrik
| 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) |
| Paket | 64-VQFN (9x9 mm) with exposed pad |
| Tipe Mounting | 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) |
| Status RoHS | Compliant |
Konfigurasi Pin DSPIC33EP128MC506T-I/MR
| Pin produk 1 | VDD — Power supply (3.0V-3.6V) |
| Pin produk 2 | VSS — Ground reference |
| Pin produk 3 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference |
| Pin produk 4 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference |
| Pin produk 5 | PGD3/RP41/RB9 — Debug data channel 3 / remappable I/O |
| Pin produk 6 | PGC3/RP42/RB10 — Debug clock channel 3 / remappable I/O |
| Pin produk 7 | AN4/RB2 — Analog input 4 / digital I/O |
| Pin produk 8 | AN5/RB3 — Analog input 5 / digital I/O |
| Pin produk 9 | VSS — Ground reference |
| Pin produk 10 | OSC1/CLKI/RC12 — Primary oscillator input / external clock |
| Pin produk 11 | OSC2/CLKO/RC15 — Primary oscillator output / clock out |
| Pin produk 12 | VDD — Power supply |
| Pin produk 13 | SOSCI/RP43/RC13 — Secondary oscillator input / remappable I/O |
| Pin produk 14 | SOSCO/T1CK/RP44/RC14 — Secondary oscillator output / Timer1 clock |
| Pin produk 15 | PGD1/RP45/RB5 — Primary debug data / remappable I/O |
| Pin produk 16 | PGC1/RP46/RB6 — Primary debug clock / remappable I/O |
| Pin produk 17 | VSS — Ground reference |
| Pin produk 18 | MCLR — Master clear reset (active low), programming voltage input |
| Pin produk 19 | AN11/RP47/RB15 — Analog input 11 / remappable I/O |
| Pin produk 20 | VSS — Ground reference |
| Pin produk 21 | AN12/RP48/RB16 — Analog input 12 / remappable I/O |
| Pin produk 22 | AN13/RP49/RB17 — Analog input 13 / remappable I/O |
| Pin produk 23 | AN14/RP50/RB18 — Analog input 14 / remappable I/O |
| Pin produk 24 | AN15/RP51/RB19 — Analog input 15 / remappable I/O |
| Pin produk 25 | RP52/RB20 — Remappable I/O |
| Pin produk 26 | RP53/RB21 — Remappable I/O |
| Pin produk 27 | VDD — Power supply |
| Pin produk 28 | RP54/RB22 — Remappable I/O |
| Pin produk 29 | RP55/RB23 — Remappable I/O |
| Pin produk 30 | AN6/RB24 — Analog input 6 / digital I/O |
| Pin produk 31 | AN7/RB25 — Analog input 7 / digital I/O |
| Pin produk 32 | VSS — Ground reference |
| Pin produk 33 | RP56/RC1 — Remappable I/O |
| Pin produk 34 | RP57/RC2 — Remappable I/O |
| Pin produk 35 | RP58/RC3 — Remappable I/O |
| Pin produk 36 | RP59/RC4 — Remappable I/O |
| Pin produk 37 | RP60/RC5 — Remappable I/O |
| Pin produk 38 | VDD — Power supply |
| Pin produk 39 | RP61/RC6 — Remappable I/O |
| Pin produk 40 | RP62/RC7 — Remappable I/O |
| Pin produk 41 | VSS — Ground reference |
| Pin produk 42 | RP63/RC8 — Remappable I/O |
| Pin produk 43 | RP64/RC9 — Remappable I/O |
| Pin produk 44 | AN8/RB26 — Analog input 8 / digital I/O |
| Pin produk 45 | AN9/RB27 — Analog input 9 / digital I/O |
| Pin produk 46 | AN10/RB28 — Analog input 10 / digital I/O |
| Pin produk 47 | VDD — Power supply |
| Pin produk 48 | RP65/RD0 — Remappable I/O |
| Pin produk 49 | RP66/RD1 — Remappable I/O |
| Pin produk 50 | RP67/RD2 — Remappable I/O |
| Pin produk 51 | RP68/RD3 — Remappable I/O |
| Pin produk 52 | VSS — Ground reference |
| Pin produk 53 | RP69/RD4 — Remappable I/O |
| Pin produk 54 | RP70/RD5 — Remappable I/O |
| Pin produk 55 | RP71/RD6 — Remappable I/O |
| Pin produk 56 | RP72/RD7 — Remappable I/O |
| Pin produk 57 | VDD — Power supply |
| Pin produk 58 | RP73/RD8 — Remappable I/O |
| Pin produk 59 | RP74/RD9 — Remappable I/O |
| Pin produk 60 | RP75/RD10 — Remappable I/O |
| Pin produk 61 | RP76/RD11 — Remappable I/O |
| Pin produk 62 | VSS — Ground reference |
| Pin produk 63 | AN2/C2IN-/RA2 — Analog input 2 / comparator 2 inverting input |
| Pin produk 64 | AN3/C3IN-/RA3 — Analog input 3 / comparator 3 inverting input |
Aplikasi Umum
DSPIC33EP128MC506T-I/MR cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk DSPIC33EP128MC506T-I/MR — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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) |
Diferensiator Kunci
- Integrated analog front end reduces BOM (vsDSPIC33EP64MC506T-I/MR)
- Industrial temperature at lowest cost in compatible set (vsDSPIC33EP128MC506T-E/MR)
- 128KB Flash with upgrade headroom via pin-compatible 256KB sibling (vsDSPIC33EP256MC506T-E/MR)
Catatan Desain
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.
Informasi Konformitas
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.
