DSPIC30F3014T-30I/PT - 30 MIPS 16-bit DSC, 24KB Flash | Microchip
MPN: DSPIC30F3014T-30I/PT ✓ Hoạt độngDSPIC30F3014T-30I/PT Tóm tắt
A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP); it executes control logic like an MCU while also performing high-throughput fixed-point signal transforms such as FIR/IIR filters, FFTs, and Park/Clarke rotations. Within the product taxonomy, the dsPIC30F3014 belongs to the dsPIC30F family of 16-bit DSCs, which itself sits between general-purpose PIC24 MCUs and the higher-performance dsPIC33F family. The 30F family is specifically designed for 5V systems, distinguishing it from the 3.3V dsPIC33F line.
Key differentiating features of the DSPIC30F3014 include 30 MIPS performance, 16-bit data path with native 24-bit instructions, single-cycle MAC for DSP math, and a 6-channel motor-control PWM module with complementary outputs and dead-time control. The 13-channel, 12-bit ADC with 200 ksps throughput provides feedback for sensorless FOC motor loops, and the QEI (Quadrature Encoder Interface) directly accepts incremental encoder signals for closed-loop position control.
Architecturally, the dsPIC30F3014 uses a Modified Harvard architecture with separate program and data buses, a C-compiler-optimized instruction set, and 24-bit wide instructions for compact code. The DSP engine adds a single-cycle 17 x 17-bit multiplier and a 40-bit barrel shifter, enabling one-cycle MAC operations critical for real-time control loops.
Typical applications include 3-phase BLDC and PMSM motor drives, AC induction motor control, sensorless field-oriented control (FOC), uninterruptible power supplies (UPS), power factor correction (PFC), and digital audio processing. Designers also deploy it in industrial automation, robotics, and automotive accessory subsystems where 5V tolerance and deterministic interrupt response are mandatory.
When designing with this part, evaluate migration paths to the dsPIC33F family for higher MIPS, or to PIC24 for cost-reduced MCU-only variants. The 'T' suffix indicates tape-and-reel packaging for high-volume assembly, while the -30I/PT speed and temperature grade is the standard industrial SKU.
This page synthesizes distributor pricing, drop-in same-package alternatives, parametric comparison, and practical design notes that are not consolidated in any single manufacturer datasheet, giving engineers a faster selection workflow for 16-bit DSC designs.
Bộ thay thế dễ dàng lắp đặt cho DSPIC30F3014T-30I/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 DSPIC30F3014T-30I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Package, Core Architecture, Quadrature Encoder Interface (QEI).
DSPIC30F3014-30I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC30F3014T-30I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3014T-20I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3014-20I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3014T-20E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3014T-30I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | dsPIC30F (Modified Harvard, 16-bit DSC) |
| CPU Speed | 30 MIPS at 30 MHz |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data SRAM | 2 KB (1K x 16) |
| Data EEPROM | 1 KB |
| Instruction Width | 24-bit |
| Operating Voltage | 2.5 V to 5.5 V (5V typical) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| ADC | 13-channel, 12-bit, 200 ksps |
| Motor Control PWM | 6-channel, 16-bit, with complementary outputs and dead-time |
| Quadrature Encoder Interface (QEI) | Yes, 1 module |
| UART | 2 modules |
| SPI | 1 module |
| I2C | 1 module |
| I/O Pins | 30 general-purpose |
| Hộp | 44-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging Format | Tape & Reel (T suffix) |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC30F3014T-30I/PT
| Chân 1 | MCLR — Master Clear (reset) input, active low |
| Chân 2 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference / Port A bit 0 |
| Chân 3 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference / Port A bit 1 |
| Chân 4 | RA2 — Port A bit 2 / digital I/O |
| Chân 5 | RA3 — Port A bit 3 / digital I/O |
| Chân 6 | RA4 — Port A bit 4 / digital I/O |
| Chân 7 | AVDD — Analog supply voltage |
| Chân 8 | AVSS — Analog ground |
| Chân 9 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock in / Port A bit 7 |
| Chân 10 | OSC2/CLKO/RA8 — Crystal oscillator output / clock out / Port A bit 8 |
| Chân 11 | RC15 — Port C bit 15 / digital I/O |
| Chân 12 | RC14 — Port C bit 14 / digital I/O |
| Chân 13 | RC13 — Port C bit 13 / digital I/O |
| Chân 14 | RB0 — Port B bit 0 / digital I/O |
| Chân 15 | RB1 — Port B bit 1 / digital I/O |
| Chân 16 | RB2 — Port B bit 2 / digital I/O |
| Chân 17 | RB3 — Port B bit 3 / digital I/O |
| Chân 18 | RB4 — Port B bit 4 / digital I/O |
| Chân 19 | RB5 — Port B bit 5 / digital I/O |
| Chân 20 | RB6 — Port B bit 6 / digital I/O |
| Chân 21 | RB7 — Port B bit 7 / digital I/O |
| Chân 22 | RC1 — Port C bit 1 / digital I/O |
| Chân 23 | RC2 — Port C bit 2 / digital I/O |
| Chân 24 | RC3 — Port C bit 3 / digital I/O |
| Chân 25 | RC4 — Port C bit 4 / digital I/O |
| Chân 26 | VDD — Digital supply voltage |
| Chân 27 | VSS — Digital ground |
| Chân 28 | RC5 — Port C bit 5 / digital I/O |
| Chân 29 | RC6 — Port C bit 6 / digital I/O |
| Chân 30 | RC7 — Port C bit 7 / digital I/O |
| Chân 31 | RC8 — Port C bit 8 / digital I/O |
| Chân 32 | RC9 — Port C bit 9 / digital I/O |
| Chân 33 | RD0 — Port D bit 0 / digital I/O |
| Chân 34 | RD1 — Port D bit 1 / digital I/O |
| Chân 35 | RD2 — Port D bit 2 / digital I/O |
| Chân 36 | RD3 — Port D bit 3 / digital I/O |
| Chân 37 | RD4 — Port D bit 4 / digital I/O |
| Chân 38 | RD5 — Port D bit 5 / digital I/O |
| Chân 39 | RD6 — Port D bit 6 / digital I/O |
| Chân 40 | RD7 — Port D bit 7 / digital I/O |
| Chân 41 | RF0 — Port F bit 0 / digital I/O |
| Chân 42 | RF1 — Port F bit 1 / digital I/O |
| Chân 43 | RF2 — Port F bit 2 / digital I/O |
| Chân 44 | RF3 — Port F bit 3 / digital I/O |
Ứng dụng tiêu biểu
DSPIC30F3014T-30I/PT phù hợp cho 6 Áp dụngs: Sensorless BLDC / PMSM Motor Control, AC Induction Motor Variable-Frequency Drives (VFD), Uninterruptible Power Supplies (UPS) and Inverters, Power Factor Correction (PFC) Controllers, Industrial Automation and Robotics, Digital Audio Processing and Effects.
Sensorless BLDC / PMSM Motor Control
The DSPIC30F3014T-30I/PT's 30 MIPS performance, 13-channel 12-bit ADC at 200 ksps, and 6-channel motor-control PWM with complementary outputs and programmable dead-time make it ideal for sensorless field-oriented control of three-phase BLDC and PMSM motors. The DSP engine's single-cycle 17x17 MAC executes Park and Clarke transforms in real time, supporting PWM frequencies above 20 kHz for silent operation. Compared with MCU-only alternatives, this part eliminates the need for an external DSP, reducing board area and BOM cost in appliances, pumps, and fans where 5V tolerance and industrial temperature grade are required.
Được đề xuất
AC Induction Motor Variable-Frequency Drives (VFD)
The DSPIC30F3014T-30I/PT handles scalar V/F and vector control of single- and three-phase AC induction motors up to several horsepower. Its 5V tolerant I/O interfaces directly to 5V gate drivers and current-sense amplifiers, simplifying analog front-end design. The integrated QEI module accepts incremental encoder feedback for closed-loop V/Hz or FOC schemes. With 24 KB Flash and 2 KB SRAM, the part has sufficient headroom for full VFD firmware including space-vector PWM, slip compensation, and fault handling - features traditionally implemented on more expensive DSPs.
Được đề xuất
Uninterruptible Power Supplies (UPS) and Inverters
The DSPIC30F3014T-30I/PT suits line-interactive and online UPS designs as well as solar inverters, where it executes both control-loop DSP and supervisory MCU functions in a single chip. The 13-channel ADC monitors battery voltage, bus voltage, load current, and temperature, while the 6-channel PWM drives the inverter bridge. Its 5V operating range is compatible with legacy analog front-end components and gate-driver ICs common in UPS designs, and the 30 MIPS core sustains 50/60 Hz sinusoidal PWM at high resolution without external DSP support.
Được đề xuất
Power Factor Correction (PFC) Controllers
Active PFC stages in industrial SMPS and telecom rectifiers benefit from the DSPIC30F3014T-30I/PT's combination of DSP throughput and MCU peripherals. The single-cycle MAC accelerates average-current-mode control loops running at 50-100 kHz, achieving near-unity power factor with low total harmonic distortion. Its ADC captures rectified mains voltage and inductor current at sufficient bandwidth, while the PWM module drives the boost MOSFET with deterministic dead-time. The 5V tolerance simplifies interfacing to legacy PFC controllers that use 5V analog comparators.
Được đề xuất
Industrial Automation and Robotics
The DSPIC30F3014T-30I/PT provides the deterministic interrupt response and 5V I/O tolerance required in 24V industrial automation systems, including PLCs, servo drives, and robot joint controllers. Its dual UART, SPI, and I2C interfaces connect to encoders, sensors, and fieldbus transceivers without external glue logic. The 30 MIPS DSP engine executes digital filtering and control algorithms for position, velocity, and torque loops, while the 44-pin TQFP package supports dense PCB layouts in space-constrained servo modules.
Được đề xuất
Digital Audio Processing and Effects
The DSPIC30F3014T-30I/PT's DSP engine and 30 MIPS throughput make it suitable for low-cost digital audio processing, including graphic equalizers, dynamic-range compressors, and 1/3-octave spectrum analyzers in consumer audio equipment. Its single-cycle MAC accelerates biquad IIR filters and FFT routines for audio band analysis. The integrated ADC and PWM peripherals can implement basic audio codecs for toys, intercoms, and hobbyist audio projects, while the 5V tolerance simplifies analog input stages.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC30F3014T-30I/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 | DSPIC30F3014-30I/PT | DSPIC30F3014T-30I/ML | DSPIC30F3014T-20I/PT | DSPIC30F3014-20I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-QFN (8x8 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 30 MIPS (30 MHz) | 30 MIPS (30 MHz) | 30 MIPS (30 MHz) | 20 MIPS (20 MHz) | 20 MIPS (20 MHz) |
| Program Flash | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| Data SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Data EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tray |
Bảo phân biệt quan trọng
- 30 MIPS DSP performance at 5V tolerance (vsDSPIC30F3014T-20I/PT)
- Tape-and-reel packaging for SMT assembly (vsDSPIC30F3014-30I/PT)
- Native DSP engine with single-cycle MAC (vsPIC24HJxxx MCU-only family)
- Integrated 6-channel motor-control PWM with dead-time (vsDSPIC30F3012-30I/P)
Ghi chú thiết kế
The DSPIC30F3014T-30I/PT operates from 2.5V to 5.5V with separate AVDD/AVSS and VDD/VSS supply pins. Both analog and digital supply rails must be decoupled with 100 nF ceramic capacitors placed within 5 mm of the respective pins, and a 10 uF bulk capacitor is recommended at the VDD pin. For mixed-signal noise-sensitive motor-control designs, a ferrite bead between digital and analog supplies reduces ADC switching noise coupled from PWM transitions.
At 30 MIPS operation with all peripherals active, the DSPIC30F3014T-30I/PT in the 44-pin TQFP package dissipates approximately 0.4 W under typical conditions. With a junction-to-ambient thermal resistance of approximately 50 C/W for the TQFP package, junction temperature rise remains within safe limits up to about 50C ambient. Forced airflow is recommended above 70C ambient. Estimated: based on typical datasheet figures for 44-TQFP at 30 MHz with all peripherals enabled.
Route the analog inputs (AN0-AN12) away from the PWM outputs (PWM1-PWM6) and high-current switching traces to minimize crosstalk into the ADC. Keep the crystal oscillator traces short and symmetric, surrounded by a ground guard ring. For QEI applications, route the QEA and QEB differential encoder signals as a matched-length pair. Place the ICSP/ICD programming connector near the MCLR, PGC, and PGD pins to simplify in-circuit programming access.
A common pitfall when migrating from PIC24 to dsPIC30F is overlooking the DSP engine's accumulator saturation behavior; the 40-bit ACCA/ACCB accumulators can overflow without explicit saturation checks in C code. Enable the 'signed' qualifier and saturate-on-overflow mode for motor-control loops. Another frequent mistake is omitting the configuration bits setup in code; the FBS, FSS, FGS, and FOSCSEL registers must be programmed correctly or the device will fail to start.
For motor-control applications where the DSPIC30F3014T-30I/PT drives high-side/low-side MOSFETs directly through gate drivers, place 100 ohm series resistors on PWM outputs near the DSC to dampen ringing. Keep ADC sense traces short and use a Kelvin connection to current-sense resistors. The QEI module tolerates only 5V inputs, so level-shift encoder signals above 5V. Reference Microchip application note AN1078 for sensorless FOC firmware patterns.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per Microchip material declarations. Not AEC-Q100 qualified - the part targets industrial, not automotive applications.