DSPIC33FJ128MC706T-I/PT - 40 MIPS 128KB Flash dsPIC33F MCU | Microchip
MPN: DSPIC33FJ128MC706T-I/PT ✓ AktifDSPIC33FJ128MC706T-I/PT Ringkasan
What is a dsPIC33F Digital Signal Controller? A Digital Signal Controller combines the deterministic interrupt response and peripheral set of a microcontroller with the computational throughput of a digital signal processor. The dsPIC33F architecture is positioned within Microchip's portfolio between standard PIC24 microcontrollers and the higher-end dsPIC33E families, and is widely used in motor control, power conversion, and high-speed sensor fusion. It sits in the broader hierarchy: microcontroller -> 16-bit MCU -> dsPIC DSC -> motor-control DSC.
Key features include a 40 MHz internal oscillator with 4x PLL, dual 16-bit timer/counter modules, motor-control PWM with up to 8 outputs and dedicated fault inputs, two 10-bit ADCs supporting up to 1.1 Msps combined throughput, a 16-channel input multiplexer, UART/SPI/I2C/CAN peripherals, and an integrated DMA controller. The device also supports 5V tolerant digital inputs on select pins for mixed-voltage designs.
The dsPIC33FJ128MC706 employs a modified Harvard architecture with 24-bit instruction words and 16-bit data paths, enabling single-cycle MAC operations for FIR/IIR filter implementations. Its DSP engine includes a 40-bit accumulator with hardware saturation, and the on-chip motor-control PWM module supports center-aligned, edge-aligned, and complementary modes with 15-bit time-base resolution for high-resolution switching converters.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, three-phase induction motor control, switched-mode power supply (SMPS) digital control loops, uninterruptible power supplies (UPS), solar inverters, and industrial sensor-signal conditioning where both DSP throughput and real-time MCU determinism are required.
When designing with this device, ensure your power-supply decoupling uses 100 nF ceramic capacitors placed within 3 mm of each VDD/VSS pair. The internal 7.37 MHz Fast RC oscillator can be used with the PLL to derive the 40 MIPS system clock without an external crystal, but applications with tight PWM timing requirements should use an external crystal for accurate frequency stability.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes that are not found in the standalone manufacturer datasheet. All specifications are anchored to the official Microchip dsPIC33FJ128MC706 datasheet family and current distributor inventory as of 2026-09-26.
Alternatif penggantian untuk DSPIC33FJ128MC706T-I/PT — 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 DSPIC33FJ128MC706T-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Timers, ADC, Core Architecture.
DSPIC33FJ128MC706-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128MC706A-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128MC706AT-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128MC506T-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128MC506A-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →DSPIC33FJ128MC706T-I/PT Rating Maksimal & Karakteristik Listrik
| Core Architecture | dsPIC33F 16-bit DSC |
| Program Memory (Flash) | 128 KB |
| Data RAM | 16 KB |
| Operating Frequency | 40 MIPS (40 MHz) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Rentang Suhu Kerja | -40 C to +85 C (Industrial) |
| Digital I/O Pins | 53 (high-current I/O on select pins) |
| ADC | Dual 10-bit SAR, up to 32 channels |
| Motor Control PWM | 8 outputs, dedicated fault inputs |
| Communication Peripherals | UART x2, SPI x2, I2C, ECAN |
| Timers | 16-bit Timer/Counter x5 |
| DMA Controller | 8-channel |
| Paket | 64-pin TQFP (10x10 mm) |
| Tipe Mounting | Surface Mount |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Internal Oscillator | 7.37 MHz Fast RC with PLL |
| DSP Engine | Dual 40-bit accumulators with saturation |
Konfigurasi Pin DSPIC33FJ128MC706T-I/PT
| Pin produk 1 | RP23/CN23/RC7 — Remappable I/O / PWM fault input |
| Pin produk 2 | RP24/CN24/RC8 — Remappable I/O |
| Pin produk 3 | RP25/CN25/RC9 — Remappable I/O |
| Pin produk 4 | VDD — Digital supply 3.0-3.6 V |
| Pin produk 5 | VSS — Digital ground |
| Pin produk 6 | OSC1/RC12 — Crystal oscillator input |
| Pin produk 7 | OSC2/RC13 — Crystal oscillator output |
| Pin produk 8 | FLTA1/RP20/CN20/RD8 — PWM fault input A1 |
| Pin produk 9 | FLTA2/RP21/CN21/RD9 — PWM fault input A2 |
| Pin produk 10 | FLTA3/RP26/CN26/RD10 — PWM fault input A3 |
| Pin produk 11 | FLTA4/RP27/CN27/RD11 — PWM fault input A4 |
| Pin produk 12 | RP28/RD0 — Remappable I/O |
| Pin produk 13 | RP29/RD1 — Remappable I/O |
| Pin produk 14 | RP30/RD2 — Remappable I/O |
| Pin produk 15 | RP31/RD3 — Remappable I/O |
| Pin produk 16 | VDD — Digital supply |
| Pin produk 17 | VSS — Digital ground |
| Pin produk 18 | PWM1H/RD4 — PWM output 1 high-side |
| Pin produk 19 | PWM1L/RD5 — PWM output 1 low-side |
| Pin produk 20 | PWM2H/RD6 — PWM output 2 high-side |
| Pin produk 21 | PWM2L/RD7 — PWM output 2 low-side |
| Pin produk 22 | PWM3H/RD12 — PWM output 3 high-side |
| Pin produk 23 | PWM3L/RD13 — PWM output 3 low-side |
| Pin produk 24 | PWM4H/RD14 — PWM output 4 high-side |
| Pin produk 25 | PWM4L/RD15 — PWM output 4 low-side |
| Pin produk 26 | AVSS — Analog ground |
| Pin produk 27 | AVDD — Analog supply |
| Pin produk 28 | AN0/RP0/CN2/RB0 — Analog input 0 / remappable I/O |
| Pin produk 29 | AN1/RP1/CN3/RB1 — Analog input 1 / remappable I/O |
| Pin produk 30 | AN2/RP2/CN4/RB2 — Analog input 2 / remappable I/O |
| Pin produk 31 | AN3/RP3/CN5/RB3 — Analog input 3 / remappable I/O |
| Pin produk 32 | AN4/RP4/CN6/RB4 — Analog input 4 / remappable I/O |
| Pin produk 33 | AN5/RP5/CN7/RB5 — Analog input 5 / remappable I/O |
| Pin produk 34 | AN6/RP6/CN8/RB6 — Analog input 6 / remappable I/O |
| Pin produk 35 | AN7/RP7/CN9/RB7 — Analog input 7 / remappable I/O |
| Pin produk 36 | AN8/RP8/CN10/RB8 — Analog input 8 / remappable I/O |
| Pin produk 37 | AN9/RP9/CN11/RB9 — Analog input 9 / remappable I/O |
| Pin produk 38 | AN10/RP10/CN12/RB10 — Analog input 10 / remappable I/O |
| Pin produk 39 | AN11/RP11/CN13/RB11 — Analog input 11 / remappable I/O |
| Pin produk 40 | AN12/RP12/CN14/RB12 — Analog input 12 / remappable I/O |
| Pin produk 41 | AN13/RP13/CN15/RB13 — Analog input 13 / remappable I/O |
| Pin produk 42 | AN14/RP14/CN16/RB14 — Analog input 14 / remappable I/O |
| Pin produk 43 | AN15/RP15/CN17/RB15 — Analog input 15 / remappable I/O |
| Pin produk 44 | VDD — Digital supply |
| Pin produk 45 | VSS — Digital ground |
| Pin produk 46 | RP16/CN18/RC0 — Remappable I/O |
| Pin produk 47 | RP17/CN19/RC1 — Remappable I/O |
| Pin produk 48 | RP18/RC2 — Remappable I/O |
| Pin produk 49 | RP19/RC3 — Remappable I/O |
| Pin produk 50 | RP9/RC4 — Remappable I/O |
| Pin produk 51 | RP10/RC5 — Remappable I/O |
| Pin produk 52 | RP11/RC6 — Remappable I/O |
| Pin produk 53 | RP12/RC7 — Remappable I/O |
| Pin produk 54 | RP13/RC8 — Remappable I/O |
| Pin produk 55 | RP14/RC9 — Remappable I/O |
| Pin produk 56 | TMS/RP22/CN22/RC10 — JTAG TMS / remappable I/O |
| Pin produk 57 | TCK/RP23/CN23/RC11 — JTAG TCK / remappable I/O |
| Pin produk 58 | TDI/RP24/CN24/RC12 — JTAG TDI / remappable I/O |
| Pin produk 59 | TDO/RP25/CN25/RC13 — JTAG TDO / remappable I/O |
| Pin produk 60 | MCLR — Master clear / reset input |
| Pin produk 61 | RP5/INT0/RF0 — External interrupt 0 |
| Pin produk 62 | RP6/INT1/RF1 — External interrupt 1 |
| Pin produk 63 | RP7/INT2/RF2 — External interrupt 2 |
| Pin produk 64 | RP8/INT3/RF3 — External interrupt 3 |
Aplikasi Umum
DSPIC33FJ128MC706T-I/PT cocok untuk 6 aplikasis: Brushless DC (BLDC) Motor Control, Permanent Magnet Synchronous Motor (PMSM) Drives, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) and Solar Inverter, Industrial Sensor Signal Conditioning, Three-Phase Induction Motor VFD.
Brushless DC (BLDC) Motor Control
The DSPIC33FJ128MC706T-I/PT is purpose-built for BLDC motor drives, where its 40 MIPS DSP engine executes field-oriented control (FOC) algorithms in real-time with sub-microsecond interrupt latency. The integrated 8-channel motor-control PWM module supports center-aligned switching with dedicated fault inputs, enabling safe three-phase commutation at 20 kHz. The dual 10-bit ADC with DMA support samples BEMF signals without CPU overhead, allowing closed-loop torque and speed control for sub-1 kW motors used in pumps, fans, and small EV traction drives.
Direkomendasikan
Permanent Magnet Synchronous Motor (PMSM) Drives
For PMSM servo applications, the DSPIC33FJ128MC706T-I/PT delivers the computational throughput needed for sensorless FOC with high-frequency signal injection. Its DSP MAC unit executes Park/Clarke transforms and space-vector modulation in a single cycle, while the 16 KB SRAM holds per-cycle state variables and reference frames. The integrated ECAN peripheral enables multi-axis daisy-chaining in industrial servo networks. Microchip application note AN1292 documents a complete PMSM reference design on this part.
Direkomendasikan
Switched-Mode Power Supply (SMPS) Digital Control
In digitally controlled SMPS designs, the DSPIC33FJ128MC706T-I/PT closes the voltage and current control loops in firmware rather than analog circuitry. Its high-resolution PWM with 15-bit time-base supports digital PFC and LLC converter topologies running at switching frequencies up to 2 MHz when paired with external gate drivers. The 40 MIPS throughput executes current-mode control, slope compensation, and soft-start sequencing without saturating CPU cycles. Dual ADC cores sample primary and secondary current/voltage simultaneously for multi-loop topologies.
Direkomendasikan
Uninterruptible Power Supply (UPS) and Solar Inverter
For grid-tied solar inverters and UPS systems, the DSPIC33FJ128MC706T-I/PT runs MPPT, anti-islanding, and sine-wave PWM generation within a single chip. Its ECAN interface enables communication with battery management and grid-monitoring peripherals, while the DMA controller offloads ADC-to-memory transfers to keep the CPU free for power-quality algorithms. The industrial -40 C to +85 C temperature range and 3.3 V operation match solar inverter power-stage requirements without additional level shifters.
Direkomendasikan
Industrial Sensor Signal Conditioning
The DSPIC33FJ128MC706T-I/PT integrates a dual 10-bit ADC with DMA support, making it suitable for multi-channel industrial sensor acquisition such as strain-gauge bridges, RTD temperature sensors, and 4-20 mA loop transmitters. Its DSP engine executes digital filtering (FIR/IIR), linearization, and calibration routines in real-time, replacing discrete analog conditioning circuits. The ECAN and UART peripherals interface with industrial PLC networks for factory-floor sensor hubs.
Direkomendasikan
Three-Phase Induction Motor VFD
Variable-frequency drives for three-phase induction motors rely on the DSPIC33FJ128MC706T-I/PT's 8-channel motor-control PWM and DSP engine to execute V/Hz and direct-torque-control algorithms. The integrated ECAN and UART peripherals support Modbus and CANopen industrial protocols for VFD networking. The 64-pin TQFP package with 53 digital I/O pins provides sufficient GPIO for gate-driver enable signals, relay control, and fault-feedback inputs without external logic. According to Microchip reference designs, this part powers VFDs from 0.25 kW to 7.5 kW.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk DSPIC33FJ128MC706T-I/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | DSPIC33FJ128MC706-I/PT | DSPIC33FJ128MC706A-I/PT | DSPIC33FJ128MC706AT-I/PT | DSPIC33FJ128MC506T-I/PT | DSPIC33FJ128MC506A-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same footprint | 64-pin TQFP (10x10 mm) - same footprint |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 64 KB (-50%) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 8 KB (-50%) | 8 KB (-50%) |
| Operating Frequency | 40 MIPS (40 MHz) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Packaging Format | Tape & Reel ('T' suffix) | Tray (no 'T' suffix) | Tray | Tape & Reel | Tape & Reel | Tray |
| Silicon Revision | Original '706 (no 'A') | Original | 'A' revision (bug-fix) | 'A' revision | Original '506 | '506A' revision |
| Motor Control PWM | 8 channels | 8 channels | 8 channels | 8 channels | 8 channels | 8 channels |
Diferensiator Kunci
- Highest-density Flash in motor-control family at 64-pin TQFP (vsDSPIC33FJ128MC506T-I/PT)
- Identical silicon in tape-and-reel format for production lines (vsDSPIC33FJ128MC706-I/PT (tray))
- Original silicon revision vs bug-fix 'A' revision (vsDSPIC33FJ128MC706A-I/PT)
Catatan Desain
Estimated: Decoupling budget for the DSPIC33FJ128MC706T-I/PT requires one 100 nF ceramic capacitor per VDD/VSS pair (4 pairs at pins 4/5, 16/17, 44/45 plus AVDD/AVSS at 27/26), plus a bulk 10 uF tantalum or ceramic capacitor on the 3.3 V rail. Place all 100 nF caps within 3 mm of their respective supply pins to minimise switching noise coupling into the analog ADC inputs and motor-control PWM outputs.
Estimated: The 64-pin TQFP (10x10 mm) package has a 0.5 mm lead pitch, requiring PCB footprint pads of 0.30 mm width and 1.50 mm length per IPC-7351 nominal land pattern. Use 4-layer PCB stack-up with a continuous ground plane on layer 2 directly beneath the device to minimise ground bounce during high-current PWM switching. Keep analog and digital signal traces on separate PCB layers to prevent ADC sampling noise.
Do not assume the internal 7.37 MHz Fast RC oscillator is suitable for all applications - while it can drive the 4x PLL to produce 40 MIPS, applications requiring tight PWM timing or UART baud-rate accuracy should use an external crystal on OSC1/OSC2 (pins 6/7). Also note that the 'A' silicon revision (DSPIC33FJ128MC706A) introduces ADC register differences that require firmware recompilation - read the errata document before migrating code between revisions.
Informasi Konformitas
RoHS and REACH compliance per Microchip product page. The 'I' suffix denotes industrial -40 C to +85 C temperature grade, not AEC-Q100 automotive grade. For AEC-Q100 qualified variants, see dsPIC33F automotive-grade family members.
