DSPIC30F3012-30I/ML - 16-Bit 30MIPs DSC, 24KB Flash | Microchip
MPN: DSPIC30F3012-30I/ML ✓ نشطDSPIC30F3012-30I/ML نظرة عامة
A Digital Signal Controller is a hybrid device that merges a microcontroller's deterministic peripherals and C-friendly programming model with a DSP's single-cycle MAC engine, dual 40-bit accumulators, and barrel shifter. DSCs sit in the hierarchy between microcontrollers (slow control loops, no MAC) and full DSP processors (high MAC throughput, no general peripherals). The dsPIC30F family is Microchip's entry-level DSC line, optimized for cost-sensitive embedded signal processing such as motor control, power conversion, and sensor conditioning.
The DSPIC30F3012 features 24 KB of Flash program memory organized as 8K x 24 words, 2 KB of RAM (1K x 16), and a 17-bit x 17-bit single-cycle hardware multiplier. On-chip peripherals include a 12-bit 200 Ksps Analog-to-Digital Converter (A/D) with up to 8 input channels, multiple timers, an Input Capture module, an Output Compare/PWM module, a UART, an SPI port, an I2C port, and a Controller Area Network (CAN) module. Self-reprogrammable Flash and robust code protection support field upgrades and IP security.
Architecturally, the device uses a modified Harvard bus with separate program and data paths, enabling simultaneous instruction fetch and data access. The 24-bit instruction word is a key dsPIC30F trait: it provides compact encoding of DSP operations (MAC, ED, EDAC) that a 16-bit MCU cannot express in one cycle. Operating current is typically 70 mA at 5V/30 MHz and falls below 1 uA in Sleep mode.
Typical applications include BLDC and PMSM motor control (sensored and sensorless FOC), uninterruptible power supplies, digital power conversion, automotive sensor interfacing, and industrial control loops. The 30 MIPS headroom comfortably runs FOC algorithms at 10-20 kHz PWM with margin for housekeeping tasks.
When designing with the DSPIC30F3012, ensure the exposed pad (EP) on the QFN-44 package is soldered to a sufficient copper pour to meet the thermal resistance of 29 C/W. Decoupling requires a 0.1 uF ceramic on each VDD/AVDD pair placed within 3 mm of the pin. Use the MPLAB XC-DSC compiler for code development and the MPLAB ICD 3 or REAL ICE for in-circuit debug.
This page consolidates distributor pricing for the DSPIC30F3012-30I/ML, dsPIC30F family drop-in alternatives (including the site-published DSPIC30F3012-20I/P and DSPIC30F3012-20E/ML variants), and practical design notes not assembled in the manufacturer datasheet alone.
بدائل مباشرة لـ DSPIC30F3012-30I/ML — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC30F3012-30I/ML (نفس عامل الشكل والبصمة) — يختلف في Package, ADC, Operating Temperature, Core Architecture, Timers.
DSPIC30F3012-20I/ML
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC30F3012-20E/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC30F3011T-30I/ML
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC30F3012-30I/ML الحدود القصوى والخصائص الكهربائية
| Core | dsPIC30F 16-bit DSC |
| Instruction Set | 16-bit data, 24-bit instruction (modified Harvard) |
| Maximum CPU Speed | 30 MIPS at 30 MHz |
| Operating Voltage | 2.5 V to 5.5 V |
| Program Flash Memory | 24 KB (8K x 24 words) |
| RAM | 2 KB (1K x 16) |
| EEPROM | 1 KB |
| Hardware Multiplier | 17-bit x 17-bit single-cycle |
| Accumulators | Dual 40-bit |
| ADC | 12-bit, 200 Ksps, up to 8 input channels |
| Timers | 5 x 16-bit |
| Input Capture | 4 channels |
| Output Compare / PWM | 4 channels |
| Communication | 1x UART, 1x SPI, 1x I2C, 1x CAN |
| العلبة | 44-pin QFN (8x8 mm, ML) with exposed pad |
| نوع التركيب | Surface Mount |
| درجة حرارة التشغيل | -40C to +85C (Industrial, "I") |
| Thermal Resistance (theta-JA) | 29 C/W (with exposed pad soldered) |
| Typical Operating Current | 70 mA at 5V / 30 MHz |
| Sleep Current | < 1 uA typical |
| حالة RoHS | Compliant |
| مستوى MSL | 3 |
تكوين أطراف DSPIC30F3012-30I/ML
| دبوس 1 | SDA/RG3 — I2C data / port G bit 3 |
| دبوس 2 | SCL/RG2 — I2C clock / port G bit 2 |
| دبوس 3 | MCLR — Master clear reset (active low) |
| دبوس 4 | AN0/RA0 — Analog input 0 / port A bit 0 |
| دبوس 5 | AN1/RA1 — Analog input 1 / port A bit 1 |
| دبوس 6 | AN2/RA2 — Analog input 2 / port A bit 2 |
| دبوس 7 | AN3/RA3 — Analog input 3 / port A bit 3 |
| دبوس 8 | AVDD — Analog supply voltage |
| دبوس 9 | AVSS — Analog ground |
| دبوس 10 | AN4/RB0 — Analog input 4 / port B bit 0 |
| دبوس 11 | AN5/RB1 — Analog input 5 / port B bit 1 |
| دبوس 12 | AN6/RB2 — Analog input 6 / port B bit 2 |
| دبوس 13 | AN7/RB3 — Analog input 7 / port B bit 3 |
| دبوس 14 | VDD — Digital supply voltage |
| دبوس 15 | VSS — Digital ground |
| دبوس 16 | OSC1/CLKI/RA4 — Crystal input / external clock / port A bit 4 |
| دبوس 17 | OSC2/CLKO/RA5 — Crystal output / clock output / port A bit 5 |
| دبوس 18 | IC1/RD8 — Input capture 1 / port D bit 8 |
| دبوس 19 | IC2/RD9 — Input capture 2 / port D bit 9 |
| دبوس 20 | IC3/RD10 — Input capture 3 / port D bit 10 |
| دبوس 21 | IC4/RD11 — Input capture 4 / port D bit 11 |
| دبوس 22 | OC1/RD0 — Output compare 1 / port D bit 0 |
| دبوس 23 | OC2/RD1 — Output compare 2 / port D bit 1 |
| دبوس 24 | OC3/RD2 — Output compare 3 / port D bit 2 |
| دبوس 25 | OC4/RD3 — Output compare 4 / port D bit 3 |
| دبوس 26 | C1RX/RF0 — CAN1 receive / port F bit 0 |
| دبوس 27 | C1TX/RF1 — CAN1 transmit / port F bit 1 |
| دبوس 28 | U1RX/RF2 — UART1 receive / port F bit 2 |
| دبوس 29 | U1TX/RF3 — UART1 transmit / port F bit 3 |
| دبوس 30 | SCK1/RF6 — SPI1 clock / port F bit 6 |
| دبوس 31 | SDO1/RF7 — SPI1 data out / port F bit 7 |
| دبوس 32 | SDI1/RF8 — SPI1 data in / port F bit 8 |
| دبوس 33 | T1CK/RC1 — Timer1 clock / port C bit 1 |
| دبوس 34 | T2CK/RC2 — Timer2 clock / port C bit 2 |
| دبوس 35 | T3CK/RC3 — Timer3 clock / port C bit 3 |
| دبوس 36 | T4CK/RC4 — Timer4 clock / port C bit 4 |
| دبوس 37 | INT0/RD4 — External interrupt 0 / port D bit 4 |
| دبوس 38 | INT1/RD5 — External interrupt 1 / port D bit 5 |
| دبوس 39 | INT2/RE8 — External interrupt 2 / port E bit 8 |
| دبوس 40 | FLTA/RE9 — PWM fault input A / port E bit 9 |
| دبوس 41 | RE0 — Port E bit 0 |
| دبوس 42 | RE1 — Port E bit 1 |
| دبوس 43 | RE2 — Port E bit 2 |
| دبوس 44 | RE3 — Port E bit 3 |
التطبيقات النموذجية
DSPIC30F3012-30I/ML مناسب لـ 6 التطبيقs: BLDC / PMSM Motor Control (Sensored FOC), Uninterruptible Power Supply (UPS) and Inverter Control, Automotive Sensor Interface and Body Controllers, Industrial Sensor Conditioning and 4-20 mA Loop Transmitters, Digital Power Conversion (DC-DC and PFC), Audio Processing and Active Noise Cancellation.
BLDC / PMSM Motor Control (Sensored FOC)
The DSPIC30F3012-30I/ML's 30 MIPS C-friendly core runs sensorless or Hall-sensored Field-Oriented Control on BLDC and PMSM motors at PWM frequencies up to 20 kHz, leaving headroom for speed/current PI loops, Clarke/Park transforms, and inverse Park/SVPWM. Its 12-bit 200 Ksps ADC samples two phase currents plus DC-bus voltage within the 50 us PWM period with margin for trigger latency. The 17-bit x 17-bit single-cycle MAC executes a Park transform in roughly 30 cycles, and the dedicated 4-channel Output Compare/PWM module generates complementary 3-phase signals with programmable dead time. Unlike a generic Cortex-M0, the single-cycle MAC keeps the ISR well under the PWM period, avoiding torque ripple.
موصى به
Uninterruptible Power Supply (UPS) and Inverter Control
In a double-conversion UPS, the DSPIC30F3012-30I/ML executes the digital control loop for the PFC stage and the DC-AC inverter. Its 30 MIPS throughput handles average-current-mode control, RMS voltage computation, and battery state-of-charge monitoring in real time at 16 kHz switching frequency. The 12-bit ADC synchronizes to the PWM trigger for sub-microsecond sample timing, and the on-chip CAN module reports telemetry to a system controller. The 44-QFN package with exposed pad sustains continuous operation at 70 mA typical / 5V with the recommended 1 square-inch copper thermal pour.
موصى به
Automotive Sensor Interface and Body Controllers
موصى به
Industrial Sensor Conditioning and 4-20 mA Loop Transmitters
In a 4-20 mA current-loop transmitter, the DSPIC30F3012-30I/ML acquires a bridge or thermocouple signal via its 12-bit ADC, applies digital linearization and cold-junction compensation, then drives a 16-bit PWM output that a precision op-amp converts to loop current. Its DSP MAC accelerates polynomial compensation routines that a 16-bit MCU would handle slowly in software. The 2.5V-5.5V supply works directly from a loop-powered 24V rail after a low-dropout regulator, and the CAN module adds optional HART-style digital diagnostics over the same loop.
موصى به
Digital Power Conversion (DC-DC and PFC)
The DSPIC30F3012-30I/ML executes average-current-mode control for PFC boost converters and voltage-mode control for synchronous buck regulators. At 30 MIPS it sustains a 50-100 kHz control loop with proportional-integral compensation, input voltage feed-forward, and brown-out protection. The 12-bit ADC samples inductor current and output voltage synchronously with the PWM, and the 4-channel Output Compare/PWM module generates leading-edge-modulated gate drives with programmable dead time. Although it does not include the dsPIC33F family's high-speed PWM and 10-bit DAC, the DSPIC30F3012 remains adequate for sub-100 kHz converters under 1 kW.
موصى به
Audio Processing and Active Noise Cancellation
Audio applications benefit from the DSPIC30F3012-30I/ML's single-cycle MAC and dual 40-bit accumulators, which implement FIR and IIR filters, biquad stages, and basic ANC algorithms at 48 kHz sample rate. The 24 KB Flash accommodates a 100-tap FIR plus housekeeping, and the 2 KB RAM buffers a stereo 16-bit audio stream. I2S can be implemented via the SPI module with DMA-like double-buffered transfers. The 30 MIPS throughput delivers approximately 600 cycles per sample, sufficient for a small feedforward ANC algorithm on a headphone or hearing-aid prototype.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC30F3012-30I/ML — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC30F3012-20I/ML | DSPIC30F3012-20E/ML |
|---|---|---|---|
| Package | 44-pin QFN (8x8 mm, ML) with EP | 44-pin QFN (8x8 mm, ML) with EP - same | 44-pin QFN (8x8 mm, ML) with EP - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same |
| Maximum CPU Speed | 30 MIPS at 30 MHz | 20 MIPS at 20 MHz (-33%) | 20 MIPS at 20 MHz (-33%) |
| Program Flash Memory | 24 KB | 24 KB - same | 24 KB - same |
| RAM | 2 KB | 2 KB - same | 2 KB - same |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C - same | -40C to +125C (Extended, +40C vs target) |
| Hardware Multiplier | 17-bit x 17-bit single-cycle MAC | 17-bit x 17-bit single-cycle MAC - same | 17-bit x 17-bit single-cycle MAC - same |
| ADC | 12-bit, 200 Ksps, 8 channels | 12-bit, 200 Ksps, 8 channels - same | 12-bit, 200 Ksps, 8 channels - same |
| CAN Module | CAN 2.0B (1 channel) | CAN 2.0B (1 channel) - same | CAN 2.0B (1 channel) - same |
أبرز الفروقات
- Highest CPU speed in the DSPIC30F3012 QFN-44 family (مقابلDSPIC30F3012-20I/ML)
- Integrated hardware CAN 2.0B controller (مقابلDSPIC30F3010-30I/ML)
- Industrial temperature range for cost-sensitive projects (مقابلDSPIC30F3012-20E/ML)
ملاحظات التصميم
The 44-pin QFN (ML) package exposes a central thermal pad on the underside that must be soldered to a PCB ground plane for both electrical return and heat dissipation. With theta-JA of 29 C/W (with the EP soldered), the device dissipates approximately 350 mW at typical 5V/30 MHz operation (70 mA) and reaches a 10 C temperature rise above ambient without additional cooling. Estimate: input power 5V x 70 mA = 350 mW; dT = 0.35 W x 29 C/W = 10.15 C. Recommended copper pour: at least 1 square inch (645 mm^2) of 1 oz copper on the top layer, plus thermal vias to an internal ground plane.
Decouple each VDD/AVDD pin with a 0.1 uF X7R ceramic placed within 3 mm of the package pin. Add a bulk 10 uF tantalum or polymer capacitor near the supply pins to support the 70 mA active current transients. Keep the AVDD trace short and isolated from digital switching currents; use a ferrite bead or filter resistor between VDD and AVDD if the digital rail is noisy. The exposed pad must connect to a clean ground pour with at least 9 thermal vias (0.3 mm drill, 0.6 mm pad) for thermal performance.
Do not confuse the DSPIC30F3012-30I/ML with the DSPIC30F3012-30I/P (40-pin PDIP). The /ML package is a 44-pin QFN, the /P package is a 40-pin PDIP, and the two parts do NOT share a PCB footprint. Also note that the industrial (-40C to +85C) and extended (-40C to +125C) grades differ only in temperature rating - same die, same package. Programming voltage on MCLR is 13V typical for high-voltage ICSP; the on-chip regulator does NOT require an external programming voltage supply during normal run-time operation.
When sampling high-impedance analog sources with the 12-bit ADC, add an external buffer op-amp (such as MCP6001 or MCP6N11) within 10 mm of the analog input pin. The ADC sample-and-hold capacitance (typically 4.5 pF) draws transient current that can introduce settling error if the source impedance exceeds 5 kohm. For 12-bit accuracy (1 LSB at 5V = 1.22 mV), the input settling error must remain below 0.5 LSB, which requires source impedance below approximately 2 kohm at the default 200 Ksps sample rate.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; AEC-Q100 variants are available in the same family under separate part numbers. Lead-free matte-tin finish; MSL-3 floor life per JEDEC J-STD-020.
