DSPIC30F3012-20E/ML - 16-bit DSC, 24KB Flash, 20 MIPS | Microchip
MPN: DSPIC30F3012-20E/ML ✓ פעילDSPIC30F3012-20E/ML סקירה
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt latency and peripheral set of a microcontroller with a single-cycle MAC (multiply-accumulate) DSP engine. The dsPIC30F family targets applications that need real-time control loops (motor control, SMPS, power conversion) alongside signal processing (filtering, FFT, modulation). Within Microchip's portfolio, the DSC sits above 8-bit PIC MCUs and below the 32-bit PIC32MX/dsPIC33 families in both performance and DSP capability.
Key features of the DSPIC30F3012 include a 6-channel 10-bit ADC with 500 ksps conversion rate (suitable for current/voltage sensing), a 4-channel PWM module with up to 16-bit resolution (ideal for SMPS and motor control), 21 general-purpose I/O pins, two UART modules, one SPI, one I2C, and a 16-bit timer. It supports 12 ADC inputs, six motor-control PWMs, and an on-chip 8 MHz internal RC oscillator (with 4x PLL up to 80 MHz CPU clock).
The 16-bit DSP engine executes a 16x16-bit integer MAC in a single instruction cycle, enabling closed-loop bandwidths well beyond what 8-bit MCUs can deliver. SMPS designs using the DSPIC30F3012 typically achieve switching frequencies above 250 kHz with sub-microsecond control-loop resolution. Compared to per-port ultra-low-power MCUs, the DSPIC30F3012 trades deep-sleep current for deterministic real-time performance.
Typical applications include switch-mode power supplies (PFC, LLC, full-bridge converters), BLDC/PMSM sensorless and sensored motor control (fans, pumps, e-bikes), field-oriented control (FOC) drives, LED lighting drivers, and digital audio processing. The 44-pin QFN package supports compact high-density layouts, and the AEC-Q100 'E' (Extended) temperature grade suits industrial and non-automotive embedded environments.
When designing with this device, provide a low-impedance ground connection to the exposed pad for thermal dissipation and noise immunity. Keep analog and digital supplies decoupled at the IC pins, and use the dsPIC30F Family Reference Manual (DS70046) for peripheral register-level programming details beyond the device datasheet summary.
This page synthesizes XAIPART distributor pricing, drop-in alternative cross-references, and practical design notes not found in the manufacturer datasheet summary, delivering information gain over standard catalog listings.
חלופות תחליף ישיר עבור DSPIC30F3012-20E/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 DSPIC30F3012-20E/ML (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, Core Architecture, ADC, Communication.
DSPIC30F3011-20E/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F4012-30I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3010-20E/ML
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC30F3010-30I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3011-20E/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC30F3012-20E/ML דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | dsPIC30F 16-bit DSC (modified Harvard) |
| Program Memory | 24 KB (8K x 24) Flash |
| Data RAM | 1.5 KB |
| Instruction Cycle | 20 MIPS |
| CPU Clock (Max) | 80 MHz (with 4x PLL) |
| מתח אספקה | 2.5 V to 5.5 V |
| ADC | 10-bit, 6-channel, 500 ksps |
| PWM Channels | 4 outputs, up to 16-bit resolution |
| UART | 2 modules |
| SPI | 1 module |
| I2C | 1 module |
| Timers | 16-bit (multiple) |
| I/O Pins | 21 |
| טמפרטורת פעולה | -40C to +125C (Industrial-Extended 'E') |
| מארז | 44-pin QFN (8x8 mm) with Exposed Pad (ML) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של DSPIC30F3012-20E/ML
| פין 1 | MCLR — Master Clear (Reset) input, active low |
| פין 2 | OSC1 — Crystal oscillator input or external clock input |
| פין 3 | OSC2 — Crystal oscillator output |
| פין 4 | RA0 — Port A bit 0 / analog input AN0 |
| פין 5 | RA1 — Port A bit 1 / analog input AN1 |
| פין 6 | RA2 — Port A bit 2 / analog input AN2 / reference voltage |
| פין 7 | RA3 — Port A bit 3 / analog input AN3 |
| פין 8 | RA4 — Port A bit 4 / analog input AN4 |
| פין 9 | AVDD — Analog supply voltage |
| פין 10 | AVSS — Analog ground |
| פין 11 | RB0 — Port B bit 0 |
| פין 12 | RB1 — Port B bit 1 |
| פין 13 | RB2 — Port B bit 2 |
| פין 14 | RB3 — Port B bit 3 |
| פין 15 | RB4 — Port B bit 4 |
| פין 16 | RB5 — Port B bit 5 |
| פין 17 | RB6 — Port B bit 6 |
| פין 18 | RB7 — Port B bit 7 |
| פין 19 | RC13 — Port C bit 13 |
| פין 20 | RC14 — Port C bit 14 |
| פין 21 | VDD — Digital supply voltage |
| פין 22 | VSS — Digital ground |
| פין 23 | RD8 — Port D bit 8 |
| פין 24 | RD9 — Port D bit 9 |
| פין 25 | RD10 — Port D bit 10 |
| פין 26 | RD11 — Port D bit 11 |
| פין 27 | RD12 — Port D bit 12 |
| פין 28 | RD13 — Port D bit 13 |
| פין 29 | RD14 — Port D bit 14 |
| פין 30 | RD15 — Port D bit 15 |
| פין 31 | RF0 — Port F bit 0 |
| פין 32 | RF1 — Port F bit 1 |
| פין 33 | RF2 — Port F bit 2 |
| פין 34 | RF3 — Port F bit 3 |
| פין 35 | RF4 — Port F bit 4 |
| פין 36 | RF5 — Port F bit 5 |
| פין 37 | RF6 — Port F bit 6 |
| פין 38 | RG0 — Port G bit 0 |
| פין 39 | RG1 — Port G bit 1 |
| פין 40 | RG2 — Port G bit 2 |
| פין 41 | RG3 — Port G bit 3 |
| פין 42 | EMUC1 — Emulation / programming clock |
| פין 43 | EMUD1 — Emulation / programming data |
| פין 44 | EP — Exposed Pad - must be soldered to ground plane for thermal dissipation |
יישומים טיפוסיים
DSPIC30F3012-20E/ML מתאים עבור 6 יישוםs: Switch-Mode Power Supply (SMPS) Control, BLDC / PMSM Motor Control (Sensored and Sensorless), Digital Audio Processing and Filtering, LED Lighting Drivers, Industrial Sensor Signal Conditioning, Uninterruptible Power Supply (UPS) and Inverter Control.
Switch-Mode Power Supply (SMPS) Control
The DSPIC30F3012-20E/ML excels in digital SMPS control loops including PFC, LLC, full-bridge, and active-clamp topologies. Its 20 MIPS DSP engine delivers 16x16-bit MAC operations in a single cycle, enabling sub-microsecond regulation loop bandwidth. The 4-channel 16-bit PWM module supports phase-shifted full-bridge and resonant topologies with dead-time control. The 6-channel 500 ksps ADC simultaneously samples input voltage, output voltage, and inductor current for average-current-mode control. Per Microchip AN1078 and AN1278 reference designs, this part supports switching frequencies up to 250 kHz with full digital control. Compared to analog UC3842 implementations, the DSC-based design enables adaptive dead-time, soft-start profiling, and telemetry over UART without external glue logic.
מומלץ
BLDC / PMSM Motor Control (Sensored and Sensorless)
The DSPIC30F3012-20E/ML is purpose-built for BLDC and PMSM motor control including trapezoidal, sinusoidal, and field-oriented control (FOC). Its 6 ADC channels sample three-phase currents and BEMF for sensorless FOC, while its 4-channel PWM drives the three-phase inverter with complementary outputs and programmable dead time. The 20 MIPS DSP core executes Clark/Park transforms and PI controllers at loop rates up to 20 kHz. Per Microchip AN1078 (sensorless FOC), this part is widely used in fans, pumps, e-bikes, and small appliances up to several hundred watts. Compared to 8-bit MCUs, the DSC's hardware MAC and DSP instructions reduce FOC computation by 5-10x, enabling smoother torque and lower acoustic noise in motor operation.
מומלץ
Digital Audio Processing and Filtering
The DSPIC30F3012-20E/ML's single-cycle 16x16 MAC engine supports real-time digital audio processing at sample rates up to ~50 kHz. Common applications include active noise cancellation, audio equalization, dynamics compression, and crossover filtering in powered speakers. The 24 KB Flash stores program and coefficient tables while 1.5 KB RAM buffers audio samples. The two UART modules can drive external audio DACs or accept I2S-like bit streams. Per Microchip AN643, the dsPIC30F family delivers 50 MIPS-class DSP performance per mW and is widely used in hearing-aid and headphone amplifier products. Compared to a 16-bit fixed-point DSP-only part, the DSC adds MCU peripherals (ADC, PWM, comms) for integrated audio system designs.
מומלץ
LED Lighting Drivers
The DSPIC30F3012-20E/ML drives intelligent LED lighting including architectural dimming, RGB color mixing, and horticulture lighting. Its PWM module supports 16-bit resolution for flicker-free dimming down to 0.001% duty cycle, and its ADC reads photodiodes for closed-loop luminance control. The DSC engine implements CIE color-correction matrices and gamma curves in real time. Per Microchip AN1080 and AN1126, this part powers DMX-512 and DALI-compatible fixtures. Compared to simple 8-bit MCU LED drivers, the DSC's DSP engine enables advanced features like color temperature adjustment, fade transitions, and adaptive brightness based on ambient sensors without external DSP components.
מומלץ
Industrial Sensor Signal Conditioning
The DSPIC30F3012-20E/ML processes analog sensor signals (strain gauge, thermocouple, RTD) in industrial automation equipment. The 10-bit ADC with 500 ksps handles multi-sensor scanning, and the DSP engine runs FIR/IIR filters to remove 50/60 Hz mains interference. Its 2.5V-5.5V operation with -40C to +125C temperature range suits harsh factory environments. Per Microchip AN215 and AN1171, dsPIC30F DSCs implement digital filtering for load cells and pressure transducers with higher SNR than analog filter designs. Compared to dedicated DSP-only parts, the DSC integrates sensor interfaces (PWM, UART for Modbus) directly, reducing PCB area and BOM cost.
מומלץ
Uninterruptible Power Supply (UPS) and Inverter Control
The DSPIC30F3012-20E/ML controls low-to-medium power UPS systems and pure sine-wave inverters. Its 4-channel PWM drives the H-bridge with center-aligned or edge-aligned modulation, the ADC reads feedback signals, and the DSP engine generates SPWM with selective harmonic elimination (SHE) or space-vector modulation (SVM). The DSC's deterministic interrupt response ensures clean AC output even under abrupt load transients. Per Microchip AN1083 reference designs, the 3012 controls 300W-1kVA inverters for solar, telecom, and emergency lighting applications. Compared to discrete analog inverter controllers like the SG3525, the DSC enables programmable output frequency, voltage, and protection thresholds via firmware without hardware rework.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC30F3012-20E/ML — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC30F3011-20E/ML | DSPIC30F4012-30I/ML | DSPIC30F3010-20E/ML | DSPIC30F3010-30I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin QFN (8x8) | 44-pin QFN (8x8) - same | 44-pin QFN (8x8) - same | 44-pin QFN (8x8) - same | 44-pin QFN (8x8) - same |
| Program Memory (Flash) | 24 KB | 12 KB (-50%) | 48 KB (+100%) | 24 KB (same) | 24 KB (same) |
| CPU Performance | 20 MIPS | 20 MIPS (same) | 30 MIPS (+50%) | 20 MIPS (same, no DSP engine) | 30 MIPS (+50%, no DSP engine) |
| DSP Engine | Yes (single-cycle MAC) | Yes (same) | Yes (same) | No (MCU only) | No (MCU only) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| ADC Channels | 6 | 6 (same) | 8 | 6 (same) | 6 (same) |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) | 2.5 V to 5.5 V (same) |
מבדילים עיקריים
- Integrated DSP engine plus MCU peripherals in single 44-QFN footprint (לעומתDSPIC30F3010-20E/ML)
- Highest memory density in 44-QFN 20-MIPS class (לעומתDSPIC30F3011-20E/ML)
- Industrial-extended temperature grade (-40C to +125C) (לעומתDSPIC30F4012-30I/ML)
הערות תכנון
The 44-pin QFN package uses a central exposed pad (pin 44) that MUST be soldered to a copper ground plane for both thermal dissipation and electrical grounding. Use an array of thermal vias (typically 9-16 vias, 0.3 mm drill) under the pad to conduct heat to internal ground planes. Without proper pad soldering, the device may overheat or fail to function correctly. Place decoupling capacitors (0.1 uF ceramic + 10 uF bulk) as close as possible to each VDD/VSS pin pair to minimize switching noise on the digital supply.
Use separate analog (AVDD/AVSS) and digital (VDD/VSS) supply rails, even if they share the same voltage source, with ferrite beads or small inductors between them. Place a 10 uF bulk capacitor plus 0.1 uF ceramic bypass on each analog supply pin to ensure ADC accuracy. Per Microchip datasheet DS70139, the analog and digital grounds should connect at a single point near the IC's exposed pad, not near the power supply input, to avoid ground-loop noise injection into the ADC.
When using the internal RC oscillator with 4x PLL to reach 80 MHz, the PLL lock time and stability depend on the power supply ramp rate. Ensure VDD ramps monotonically from 0 to nominal within Microchip's specified limits, and add a 10 ms delay after power-up before code relies on the PLL. Do not exceed the absolute maximum MCLR voltage of VDD + 0.3V or the device may latch up. When programming with ICSP, ensure the PGC/PGD pins are not loaded with heavy capacitance that prevents the programmer from driving them correctly during programming.
מידע על תאימות
RoHS compliant per Microchip product page. 'E' temperature grade is industrial-extended (-40C to +125C) but not AEC-Q100 qualified for automotive - choose AEC-Q100 qualified parts (e.g., dsPIC33EV family) for automotive designs. Lead-free and RoHS compliant per Microchip environmental certification.
