DSPIC33FJ128MC706A-H/PT - 16-bit DSC, 128KB Flash, 64-TQFP | Microchip
MPN: DSPIC33FJ128MC706A-H/PT ✓ Hoạt độngDSPIC33FJ128MC706A-H/PT Tóm tắt
A Digital Signal Controller is a hybrid architecture that combines a microcontroller's deterministic control peripherals with a DSP's multiply-accumulate (MAC) throughput. The dsPIC33F core executes one 16-bit instruction per cycle with hardware single-cycle MAC and barrel shifter, placing it in the device hierarchy: DSC -> DSP/MCU hybrid -> 16-bit MCU family -> embedded controller -> semiconductor. This category targets real-time control loops that need fixed-point math, such as Park/Clarke transforms in motor drives.
Key features of the DSPIC33FJ128MC706A-H/PT include a 6-channel PWM module with complementary outputs and dead-time control suitable for 3-phase inverters, a 10-bit ADC with up to 16 channels and dedicated Sample-and-Hold, on-chip CAN 2.0B peripheral, and a motor-control PWM specifically tuned for field-oriented control (FOC) of brushless DC, AC induction, and switched reluctance motors. The 64-pin TQFP footprint provides ample I/O for power-module gate drivers and analog feedback paths.
The DSP engine uses a modified Harvard architecture with separate program and data buses plus a DSP-specific ALU supporting 17-bit x 17-bit integer multiplication in a single cycle. Hardware loop buffers and zero-overhead DO/REPEAT instructions accelerate inner-loop DSP code such as FIR filters and Park transforms commonly used in FOC firmware. The -H temperature grade extends operation up to +150C junction, making the part appropriate for under-hood automotive and harsh-industrial environments.
Typical applications include brushless DC (BLDC) motor drives, 3-phase AC induction motor control, switched reluctance motor drives, Uninterruptible Power Supply (UPS) inverters, and industrial automation controllers. The integrated CAN peripheral and motor-control PWM simplify field-oriented-control designs by eliminating external DSP co-processors.
When designing with the DSPIC33FJ128MC706A-H/PT, allocate adequate Flash for FOC lookup tables (sine/cosine, inverse Park) and ensure ADC sample timing aligns with the PWM period to minimize sample-to-PWM jitter. The device operates from 3.0 V to 3.6 V; add 100 nF decoupling near each VDD/VSS pair and 10 uF bulk at the regulator output.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives within the dsPIC33FJ family, and practical motor-control design notes that complement the manufacturer datasheet and help engineers select the right DSC variant for their drive topology.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ128MC706A-H/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33FJ128MC706A-H/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, CAN, Maximum CPU Speed, Operating Temperature.
DSPIC33FJ128MC706A-I/PT
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Xem tài liệu →DSPIC33FJ128MC706-H/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ128MC506A-H/PT
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Xem tài liệu →DSPIC33FJ128MC506A-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128MC506A-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128MC706A-H/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | dsPIC33F (16-bit DSC) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Maximum CPU Speed | 40 MIPS (20 MHz MIPS-rated) |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40C to +150C (-H grade) |
| Hộp | 64-pin TQFP (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| ADC | 10-bit, up to 16 channels |
| Motor Control PWM | 6-channel with complementary outputs and dead-time |
| CAN | 1x CAN 2.0B |
| UART | 2x UART |
| SPI | 2x SPI |
| I2C | 1x I2C |
| Timers | 5x 16-bit, 1x 32-bit |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân DSPIC33FJ128MC706A-H/PT
| Chân 1 | OSC1/RA0 — Crystal oscillator input / GPIO |
| Chân 2 | OSC2/RA1 — Crystal oscillator output / GPIO |
| Chân 3 | RA2 — GPIO |
| Chân 4 | RA3 — GPIO |
| Chân 5 | RA4 — GPIO |
| Chân 6 | RA5 — GPIO |
| Chân 7 | MCLR — Master Clear (reset) input |
| Chân 8 | RA7 — GPIO |
| Chân 9 | VDD — Power supply (3.3V) |
| Chân 10 | VSS — Ground |
| Chân 11 | RB0 — GPIO / AN0 |
| Chân 12 | RB1 — GPIO / AN1 |
| Chân 13 | RB2 — GPIO / AN2 |
| Chân 14 | RB3 — GPIO / AN3 |
| Chân 15 | RB4 — GPIO / AN4 |
| Chân 16 | RB5 — GPIO / AN5 |
| Chân 17 | RB6 — GPIO / AN6 / PGEC1 |
| Chân 18 | RB7 — GPIO / AN7 / PGED1 |
| Chân 19 | RB8 — GPIO / AN8 |
| Chân 20 | RB9 — GPIO / AN9 |
| Chân 21 | RB10 — GPIO / AN10 |
| Chân 22 | RB11 — GPIO / AN11 |
| Chân 23 | RB12 — GPIO / AN12 |
| Chân 24 | RB13 — GPIO / AN13 |
| Chân 25 | VDD — Power supply (3.3V) |
| Chân 26 | VSS — Ground |
| Chân 27 | RC1 — GPIO |
| Chân 28 | RC2 — GPIO |
| Chân 29 | RC3 — GPIO |
| Chân 30 | RC4 — GPIO |
| Chân 31 | RD0 — GPIO |
| Chân 32 | RD1 — GPIO |
| Chân 33 | RD2 — GPIO |
| Chân 34 | RD3 — GPIO |
| Chân 35 | RD4 — GPIO |
| Chân 36 | RD5 — GPIO |
| Chân 37 | RD6 — GPIO |
| Chân 38 | RD7 — GPIO |
| Chân 39 | RD8 — GPIO |
| Chân 40 | RD9 — GPIO |
| Chân 41 | VDD — Power supply (3.3V) |
| Chân 42 | VSS — Ground |
| Chân 43 | RD11 — GPIO |
| Chân 44 | RD12 — GPIO |
| Chân 45 | RD13 — GPIO |
| Chân 46 | RD14 — GPIO |
| Chân 47 | RD15 — GPIO |
| Chân 48 | RF0 — GPIO |
| Chân 49 | RF1 — GPIO |
| Chân 50 | RF2 — GPIO |
| Chân 51 | RF3 — GPIO |
| Chân 52 | RF4 — GPIO |
| Chân 53 | PWM3L — PWM 3 Low-side output |
| Chân 54 | PWM3H — PWM 3 High-side output |
| Chân 55 | PWM2L — PWM 2 Low-side output |
| Chân 56 | VDD — Power supply (3.3V) |
| Chân 57 | VSS — Ground |
| Chân 58 | PWM2H — PWM 2 High-side output |
| Chân 59 | PWM1L — PWM 1 Low-side output |
| Chân 60 | PWM1H — PWM 1 High-side output |
| Chân 61 | RF5 — GPIO |
| Chân 62 | RF6 — GPIO |
| Chân 63 | C1RX/C2RX — ECAN1/ECAN2 Receive |
| Chân 64 | C1TX/C2TX — ECAN1/ECAN2 Transmit |
Ứng dụng tiêu biểu
DSPIC33FJ128MC706A-H/PT phù hợp cho 7 Áp dụngs: Brushless DC (BLDC) Motor Drive, Field-Oriented Control (FOC) of PMSM Motors, 3-Phase AC Induction Motor Control, Switched Reluctance Motor (SRM) Drive, Uninterruptible Power Supply (UPS) Inverter, Industrial Servo Drive Controller, Solar Inverter / Microinverter.
Brushless DC (BLDC) Motor Drive
The DSPIC33FJ128MC706A-H/PT is purpose-built for BLDC motor control with its 6-channel complementary PWM and 40 MIPS DSP engine. The integrated PWM module generates three-phase switching signals with programmable dead-time insertion (typically 1-2 us), directly driving half-bridge gate drivers such as the Microchip MCP8021 or IRS2003. At 40 MIPS, the core completes Clarke and Park transforms plus two PI loops within a 50 us PWM period at 20 kHz, leaving margin for commutation interrupts.
Được đề xuất
Field-Oriented Control (FOC) of PMSM Motors
Field-oriented control of permanent magnet synchronous motors benefits from the DSPIC33FJ128MC706A-H/PT's single-cycle MAC unit and hardware DO/REPEAT loops. The 128 KB Flash holds full FOC firmware including sine/cosine lookup tables, sensorless observer code, and reference ramp generators. The 16-channel ADC simultaneously samples phase currents via dedicated Sample-and-Hold, synchronized to PWM center-aligned triggers, ensuring deterministic current-loop timing for high-torque low-speed operation.
Được đề xuất
3-Phase AC Induction Motor Control
For industrial 3-phase induction motor drives, the DSPIC33FJ128MC706A-H/PT executes V/Hz control or indirect FOC with slip compensation at speeds up to several thousand RPM. The 10-bit ADC with 16 channels monitors stator currents and DC-bus voltage, while the CAN 2.0B peripheral enables networked multi-drive installations communicating with a PLC or industrial gateway. The -H temperature grade supports under-hood and outdoor cabinet installations up to +150C junction.
Được đề xuất
Switched Reluctance Motor (SRM) Drive
Switched reluctance motors require independent control of each phase leg and fast current chopping; the DSPIC33FJ128MC706A-H/PT provides six independent PWM channels suitable for the asymmetric half-bridge topology typical of SRM drives. Current hysteresis control runs at up to 60 kHz with the 40 MIPS core computing torque-sharing functions between phases. The 128 KB Flash accommodates SRM-specific commutation tables and demagnetization voltage monitoring algorithms.
Được đề xuất
Uninterruptible Power Supply (UPS) Inverter
In UPS inverter applications, the DSPIC33FJ128MC706A-H/PT generates a 50/60 Hz sinusoidal PWM driving an H-bridge or three-phase inverter leg, with closed-loop voltage regulation maintaining output within +/-2% under varying loads. The DSP engine runs the SPWM or SVPWM modulator and RMS voltage calculation within a sub-millisecond control loop. The CAN interface allows status reporting to a system supervisor, while UART links to a front-panel HMI for local monitoring.
Được đề xuất
Industrial Servo Drive Controller
In closed-loop servo positioning systems, the DSPIC33FJ128MC706A-H/PT acts as the position/velocity/current controller, communicating encoder feedback via QEI (Quadrature Encoder Interface) and driving a power stage with sinusoidal PWM. The hardware QEI module counts quadrature pulses without CPU intervention, while the DSP engine computes the trajectory profiler and PID controllers. CANopen or proprietary CAN protocols enable integration into multi-axis motion networks using the on-chip CAN peripheral.
Được đề xuất
Solar Inverter / Microinverter
In solar microinverter topologies the DSPIC33FJ128MC706A-H/PT performs MPPT (Maximum Power Point Perturb-and-Observe) and grid-tie inverter control, generating 50/60 Hz synchronized sinusoidal output current. The DSP MAC executes the MPPT algorithm in microseconds while the ADC samples PV panel voltage and current. Anti-islanding protection algorithms fit within the 128 KB Flash budget, and the CAN interface supports daisy-chained multi-panel monitoring systems on commercial rooftops.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ128MC706A-H/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC33FJ128MC706A-I/PT | DSPIC33FJ128MC706-H/PT | DSPIC33FJ128MC506A-H/PT | DSPIC33FJ128MC506A-I/PT | DSPIC33FJ128MC506A-E/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) - same | 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 | Microchip Technology |
| Flash Memory | 128 KB | 128 KB (same) | 128 KB (same) | 64 KB (-50%) | 64 KB (-50%) | 64 KB (-50%) |
| CPU Speed | 40 MIPS | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) |
| Operating Temperature | -40C to +150C (-H) | -40C to +85C (-I) | -40C to +150C (-H) | -40C to +150C (-H) | -40C to +85C (-I) | -40C to +125C (-E) |
| Silicon Revision | A | A | Pre-A (original) | A | A | A |
| Core | dsPIC33F (16-bit DSC) | dsPIC33F (same) | dsPIC33F (same) | dsPIC33F (same) | dsPIC33F (same) | dsPIC33F (same) |
Bảo phân biệt quan trọng
- Maximum Flash density in the 64-pin TQFP dsPIC33FJ family (vsDSPIC33FJ128MC506A-H/PT)
- Highest junction temperature grade available (-H = +150C) (vsDSPIC33FJ128MC706A-I/PT)
- Silicon revision A with errata fixes over original revision (vsDSPIC33FJ128MC706-H/PT)
- dsPIC33F DSC architecture with single-cycle MAC for FOC (vsPIC24FJ128GB606-I/PT)
Ghi chú thiết kế
The DSPIC33FJ128MC706A-H/PT operates from a single 3.0 V to 3.6 V supply and draws approximately 60 mA at 40 MIPS with all peripherals active. Use a low-noise LDO such as the MCP1754S-330E with a 10 uF ceramic output capacitor to provide a clean 3.3 V rail. Place a 100 nF decoupling capacitor within 5 mm of every VDD/VSS pair (the part has four pairs at pins 9/10, 25/26, 41/42, and 56/57) and add a 10 uF bulk at the regulator output to suppress switching noise from adjacent gate drivers.
Estimated: with theta_JA of approximately 45 C/W for the 64-pin TQFP-10x10, the junction temperature rise at 60 mA and 3.3 V (0.2 W dissipation) is about 9 C above ambient. Add a copper thermal land pattern under the exposed thermal pad to reduce theta_JA by 30-40% in high-ambient-temperature motor-drive enclosures. Place the 64-pin TQFP at least 10 mm from the switching power stage to minimize conducted EMI coupling on analog inputs.
The 10-bit ADC has a 500 ksps throughput and is sensitive to switching-noise coupling. Use star-ground topology with the ADC ground reference tied directly to the GND pin closest to the analog inputs (VSS at pin 26 or 42). Route ADC traces away from PWM switching signals and add a 100 ohm series resistor with 1 nF capacitor RC filter on each analog input for noise rejection above 1.6 MHz, well above the 50 us PWM period.
Do not exceed 3.6 V on any I/O pin even though some dsPIC33F variants advertise 5 V tolerance - this specific part has 3.3 V-only I/O. Configure the JTAG/debugger PGEC1/PGED1 pins (RB6/RB7) only as ICD debug pins to avoid contention with PGEC1 peripheral remapping. When using CAN, add a 120 ohm termination resistor at each end of the bus and avoid stubs longer than 100 mm to prevent reflections per ISO 11898.
When porting code from dsPIC33FJ128MC706 to the 'A' revision, check the silicon errata for changes to ADC calibration, PWM duty-cycle resolution, and I2C slave address handling. The 'A' revision generally adds fixes but may have minor register-access changes that require recompilation against the latest MPLAB XC16 DSP library headers.
Thông tin tuân thủ
RoHS compliant per Microchip product page. -H temperature grade supports +150C junction but is NOT AEC-Q100 qualified - for automotive applications use AEC-Q100-qualified parts from the dsPIC33 automotive family. Conflict-minerals compliance per Microchip standard policy.
