DSPIC30F3014T-30I/ML - 30 MIPS 16-Bit DSC | 44-QFN | Microchip
MPN: DSPIC30F3014T-30I/ML ✓ פעילDSPIC30F3014T-30I/ML סקירה
A digital signal controller (DSC) is a hybrid device that combines a microcontroller's deterministic interrupt-driven control peripherals with a digital signal processor's single-cycle MAC and barrel-shift datapath. Within the Microchip taxonomy it sits under 16-bit DSC -> dsPIC30F family -> motor control DSC -> embedded MCU. The dsPIC30F family provides seamless migration to dsPIC33F and PIC24 devices in similar packages, allowing designers to scale performance without redesigning the PCB footprint.
Key features include up to 30 MIPS throughput, 2 KB of SRAM data memory, 1 KB of EEPROM, 1 MSPS 10-bit ADC with up to 9 analog inputs, motor-control PWM with 3-phase output, quadrature encoder interface (QEI), two UART, one SPI, one I2C, and five 16-bit timers. The wide 4.5V to 5.5V supply and -40C to +85C industrial temperature range suit harsh-environment variable-frequency drives.
Architecturally the silicon uses a 5V CMOS process to provide noise margin in motor-drive environments where switching transients couple back onto the logic supply. The DSP engine's dual 40-bit accumulators plus fractional and integer MAC modes enable closed-loop current control and Park/Clarke transforms in firmware without FPGA support, while peripheral triggers minimise CPU overhead for time-critical tasks such as ADC-to-PWM synchronization.
Typical applications include 3-phase BLDC and PMSM motor control (sensored or sensorless using the QEI and PWM), industrial variable-frequency drives, HVAC compressor control, sensorless field-oriented control (FOC) for fans and pumps, and low-cost digital power conversion. The combination of integrated op-amps comparators PWM ADC and QEI on a single die replaces external analogue components.
A primary design consideration is thermal budget: the 44-QFN exposes a thermal pad that must be soldered to a sufficient copper pour to keep junction rise below 30C at full 30 MIPS sustained load. Also note that migrating the firmware to dsPIC33F or PIC24 preserves the peripheral set but doubles available MIPS, useful when control-loop complexity grows.
This page synthesises distributor pricing, pin-compatible drop-in alternatives, and practical design guidance that supplements the Microchip datasheet. Engineers evaluating the DSPIC30F3014 family for new motor-control designs should compare it to the dsPIC33F MC range for higher MIPS and to PIC32MK for floating-point control.
חלופות תחליף ישיר עבור DSPIC30F3014T-30I/ML — 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 DSPIC30F3014T-30I/ML (אותו גורם צורה וטביעת רגל) — שונים ב ADC, Package, CPU Speed, MSL Level, Operating Temperature.
DSPIC30F3014-30I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3014T-30I/MLVAO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC30F3014CT-30I/ML
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC30F3013T-30I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3014T-30I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3014T-30I/ML דירוגים מרביים ומאפיינים חשמליים
| Core | dsPIC30F 16-bit DSC |
| CPU Architecture | Modified Harvard RISC + DSP engine |
| Maximum CPU Speed | 30 MIPS at 30 MHz |
| Program Memory (FLASH) | 24 KB (8K x 24) |
| Data Memory (SRAM) | 2 KB |
| EEPROM | 1 KB |
| Supply Voltage (Vdd) | 4.5 V to 5.5 V |
| טמפרטורת פעולה | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 1 MSPS, 9 analog channels |
| Motor Control PWM | 3-phase (6 PWM outputs) |
| Quadrature Encoder Interface (QEI) | 1 module |
| UART | 2 |
| SPI | 1 |
| I2C | 1 |
| Timers (16-bit) | 5 |
| מארז | 44-QFN (ML), 8x8 mm with exposed thermal pad |
| סוג הרכבה | Surface Mount |
| רמת MSL | 3 (per JEDEC J-STD-020) |
| סטטוס RoHS | Compliant |
| Lead-Free | Yes |
| Internal Oscillator | 8 MHz with PLL |
| DMA | No (none on this device) |
תצורת פינים של DSPIC30F3014T-30I/ML
| פין 1 | AVSS — Analog ground reference |
| פין 2 | AVDD — Analog positive supply |
| פין 3 | MCLR — Master Clear (reset) input, active-low |
| פין 4 | OSC1 — Crystal oscillator input or external clock |
| פין 5 | OSC2 — Crystal oscillator output |
| פין 6 | RC13/RTCC — I/O port C13 / Real-Time Clock Calendar output |
| פין 7 | RC14 — I/O port C14 |
| פין 8 | RC15 — I/O port C15 |
| פין 9 | RB0/AN0 — I/O port B0 / Analog input AN0 |
| פין 10 | RB1/AN1 — I/O port B1 / Analog input AN1 |
| פין 11 | RB2/AN2 — I/O port B2 / Analog input AN2 |
| פין 12 | RB3/AN3 — I/O port B3 / Analog input AN3 |
| פין 13 | RB4/AN4 — I/O port B4 / Analog input AN4 |
| פין 14 | RB5/AN5 — I/O port B5 / Analog input AN5 |
| פין 15 | RB6/AN6 — I/O port B6 / Analog input AN6 |
| פין 16 | RB7/AN7 — I/O port B7 / Analog input AN7 |
| פין 17 | RB8/AN8 — I/O port B8 / Analog input AN8 |
| פין 18 | RB9/AN9 — I/O port B9 / Analog input AN9 |
| פין 19 | VDD — Digital positive supply (4.5V to 5.5V) |
| פין 20 | VSS — Digital ground |
| פין 21 | RD0 — I/O port D0 |
| פין 22 | RD1 — I/O port D1 |
| פין 23 | RD2 — I/O port D2 |
| פין 24 | RD3 — I/O port D3 |
| פין 25 | RD4 — I/O port D4 |
| פין 26 | RD5/PWM1H — I/O port D5 / PWM1H output |
| פין 27 | RD6/PWM1L — I/O port D6 / PWM1L output (complimentary pair) |
| פין 28 | RD7/PWM2H — I/O port D7 / PWM2H output |
| פין 29 | RD8/PWM2L — I/O port D8 / PWM2L output |
| פין 30 | RD9/PWM3H — I/O port D9 / PWM3H output |
| פין 31 | RD10/PWM3L — I/O port D10 / PWM3L output |
| פין 32 | RD11 — I/O port D11 |
| פין 33 | RD12 — I/O port D12 |
| פין 34 | RD13 — I/O port D13 |
| פין 35 | RD14 — I/O port D14 |
| פין 36 | RD15 — I/O port D15 |
| פין 37 | RF0/QEA — I/O port F0 / Quadrature Encoder A input |
| פין 38 | RF1/QEB — I/O port F1 / Quadrature Encoder B input |
| פין 39 | RF2/INDX — I/O port F2 / Encoder index input |
| פין 40 | RF3 — I/O port F3 |
| פין 41 | RF4 — I/O port F4 |
| פין 42 | RF5 — I/O port F5 |
| פין 43 | RF6/U1RX — I/O port F6 / UART1 receive |
| פין 44 | RF7/U1TX — I/O port F7 / UART1 transmit |
| פין PAD | EP — Exposed thermal pad - must be soldered to PCB copper pour for heat dissipation |
יישומים טיפוסיים
DSPIC30F3014T-30I/ML מתאים עבור 6 יישוםs: 3-Phase BLDC Motor Control, PMSM / Permanent Magnet Synchronous Motor Drives, Sensorless Field Oriented Control (FOC), HVAC Compressor and Fan Controllers, Low-Cost Variable Frequency Drives (VFD) for Industrial Pumps, Digital Power Conversion (PFC, Inverters).
3-Phase BLDC Motor Control
The DSPIC30F3014T-30I/ML is purpose-built for 3-phase BLDC commutation, with 6 PWM outputs supporting configurable dead-time, a 9-channel 10-bit ADC at 1 MSPS for shunt-based current sensing, and a Quadrature Encoder Interface for Hall-free rotor position. Its 30 MIPS budget executes a 20 kHz FOC current loop in ~10 us, leaving headroom for speed and flux-weakening loops. Compared to a discrete MCU+FPGA solution, this single-chip DSC eliminates BOM cost and supports MPLAB X Code Configurator for rapid code generation.
מומלץ
PMSM / Permanent Magnet Synchronous Motor Drives
For PMSM servo and pump drives, the DSPIC30F3014T-30I/ML delivers precise sinusoidal current shaping through its PWM-per-phase architecture and 40-bit accumulators for high-resolution PID loops. Hardware triggers synchronize ADC sampling to PWM switching peaks, minimising CPU overhead and allowing tighter current-loop bandwidth. The 24 KB FLASH hosts Microchip's AN1078 sensorless FOC library, while 2 KB of SRAM retains observer state variables at 20 kHz update rates without bus contention.
מומלץ
Sensorless Field Oriented Control (FOC)
The DSPIC30F3014T-30I/ML supports sensorless FOC using BEMF zero-cross detection or sliding-mode observers, leveraging its dual 40-bit accumulators for Park/Clarke transforms executed in single-cycle MAC. At 30 MIPS the device completes one FOC iteration in approximately 12 us, including ADC read, inverse Park, and SVPWM modulation - sufficient for pumps, fans, and small servo loads. Microchip application note AN1078 supplies reference C code for direct port to this DSC.
מומלץ
HVAC Compressor and Fan Controllers
Compressor and fan control boards benefit from the DSPIC30F3014T-30I/ML's integrated QEI and 6-channel PWM, replacing external logic and reducing PCB area. The 4.5-5.5 V wide supply tolerates rectified 24 VAC rails with bulk capacitance, while -40C to +85C industrial temperature range handles outdoor inverter compressor housings. The 5V CMOS process provides 2.5 V noise margin even with switching transients from adjacent IGBT half-bridges, eliminating the need for opto-isolated feedback in many designs.
מומלץ
Low-Cost Variable Frequency Drives (VFD) for Industrial Pumps
Industrial pump VFDs under 750 W use the DSPIC30F3014T-30I/ML for closed-loop V/Hz and sensorless vector control without external DSP. The device's 5 timers drive PID loop scheduling, while the 10-bit ADC at 1 MSPS captures DC-link and shunt current in real time. The 44-QFN (ML) 8x8 mm with exposed thermal pad dissipates ~0.5 W during full 30 MIPS operation when soldered to a 1 square inch copper pour, suitable for IPM-mount PCBs.
מומלץ
Digital Power Conversion (PFC, Inverters)
For digital PFC stages and small solar inverters, the DSPIC30F3014T-30I/ML's single-cycle MAC and 40-bit accumulator enable average-current-mode control at 100 kHz with negligible loop delay. Its QEI can also track auxiliary rotating-machine feedback in hybrid UPS designs. The 24 KB FLASH hosts both control loop math and a Modbus slave stack for SCADA integration. Compared to a TI C2000 equivalent, this DSC integrates peripheral triggers at a lower unit cost.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC30F3014T-30I/ML — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC30F3014-30I/ML | DSPIC30F3014T-30I/MLVAO | DSPIC30F3014CT-30I/ML | DSPIC30F3013T-30I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same |
| CPU Speed | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz |
| FLASH Program Memory | 24 KB (8K x 24) | 24 KB (8K x 24) | 24 KB (8K x 24) | 24 KB (8K x 24) | 12 KB (4K x 24) |
| Data SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Motor Control PWM | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) |
| ADC (10-bit) | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 8 channels, 1 MSPS |
| QEI (Quadrature Encoder) | 1 module | 1 module | 1 module | 1 module | 1 module |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Automotive) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
מבדילים עיקריים
- Drop-in available with same 44-QFN footprint (לעומתDSPIC30F3013T-30I/ML)
- Automotive temperature variant in same package (לעומתDSPIC30F3014T-30I/MLVAO)
- Tube packaging option uses identical die (לעומתDSPIC30F3014-30I/ML)
הערות תכנון
Estimated: at 30 MIPS sustained operation (worst-case core current ~25 mA at 5V plus peripheral I/O), the DSPIC30F3014T-30I/ML dissipates approximately 0.5 W internally. With an exposed thermal pad on the 44-QFN (theta_JA approximately 28 C/W on a 1 square inch copper pour, JEDEC EIA/JESD51 standard), junction temperature rise is about 14C above ambient - well within the +85C industrial ceiling. For designers pushing current up by enabling all peripherals simultaneously, expanding the copper pour to 2-3 square inches drops theta_JA to ~15 C/W for additional thermal margin in enclosed IPM housings.
Place the 10 uF bulk decoupling capacitor and a 0.1 uF ceramic capacitor within 3 mm of each VDD/VSS pin pair to suppress switching transients from adjacent half-bridges. The exposed thermal pad must be soldered to a copper pour with at least 6 thermal vias (0.3 mm drill) to inner ground plane. Keep analog AVSS/AVDD traces short and isolated from PWM switching returns; star-ground the analog and digital grounds at the device AVSS pin. Follow Microchip AN1078 PCB layout appendix for current-shunt routing.
Three common pitfalls for engineers migrating to the DSPIC30F3014T-30I/ML: (1) failing to configure the FRC+PLL startup delay before releasing MCLR, which can cause ADC sampling jitter at boot; (2) leaving the JTAG/ICSP pins shared with POR - enable ICSPCKD and ICSPCKE PGR bits before invoking any in-circuit programmer that uses PGC/PGD; (3) over-allocating EEPROM-write cycles by logging every loop iteration - use wear-levelling (the datasheet specifies 100k erase/write cycles per word). Also, always set the PWRT and FSCM configuration bits for reliable motor reset.
The QEI inputs QEA and QEB are 5V TTL-compatible; route them as matched-length differential pairs to the encoder header and add 1k series resistors plus 100pF to ground for EMI filtering. The PWM outputs swing rail-to-rail at 30 MHz edge rates - keep traces under 25 mm and place 30-ohm series damping resistors near the DSC pin to slow edge rates to ~10 ns and reduce ground-bounce coupling into the ADC. Reference: Microchip AN1078 PCB Layout section for dsPIC30F motor boards.
מידע על תאימות
RoHS and lead-free per Microchip product page. AEC-Q100 status applies only to VAO suffix variants (DSPIC30F3014T-30I/MLVAO); the standard DSPIC30F3014T-30I/ML is industrial grade (-40C to +85C). Halogen-free status confirmed for this package.
