DSPIC30F4012T-30I/ML - 16-bit DSC, 30MIPS, 48KB Flash | Microchip
MPN: DSPIC30F4012T-30I/ML ✓ نشطDSPIC30F4012T-30I/ML نظرة عامة
What is a DSC? A Digital Signal Controller is a hybrid architecture that fuses a modified Harvard RISC CPU with single-cycle MAC DSP engines, deterministic interrupt latency, and rich motor-control peripherals. Within the taxonomy, a DSC sits above a generic microcontroller (MCU) and below a standalone DSP, occupying the power management and motor control niches where deterministic timing plus signal processing is required. dsPIC30F specifically targets 3-phase motor control, PFC, and audio processing.
Key features include a 6-channel, 10-bit Analog-to-Digital Converter (ADC) with 1 Msps throughput, a dedicated Motor Control PWM module with up to 8 outputs, a Quadrature Encoder Interface (QEI), plus CAN, I2C, SPI, and UART connectivity. The on-chip DSP engine adds single-cycle 16x16-bit MAC, 40-bit accumulators, and barrel shifter, enabling real-time FFT, FIR/IIR filtering, and field-oriented control loops without offloading to a separate DSP.
Typical applications include 3-phase BLDC and PMSM motor drives (FOC with space-vector modulation), sensorless motor control using the ADC and QEI, digital UPS and PFC stages, audio processing front-ends, industrial CAN-connected sensor nodes, and automotive body controllers. The 30 MHz core and 48KB Flash are sized for typical motor-control state machines plus sensor-fusion DSP code.
When designing, ensure the supply decoupling network follows Microchip's reference: 10uF bulk plus 0.1uF ceramic near each VDD pin, with the AVDD/VSS analog pair isolated by ferrite. The QFN thermal pad must be soldered to a continuous ground plane for thermal and electrical performance. Programming/debugging is supported via MPLAB ICD 3 or MPLAB REAL ICE through the standard ICSP interface.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
بدائل مباشرة لـ DSPIC30F4012T-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 DSPIC30F4012T-30I/ML (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Timers, Motor Control PWM, Operating Temperature.
DSPIC30F4012-30I/ML
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عرض ورقة البيانات ←DSPIC30F4012T-20E/ML
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عرض ورقة البيانات ←DSPIC30F4011T-30I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC30F4012-20I/ML
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC30F4012-20E/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC30F4012T-30I/ML الحدود القصوى والخصائص الكهربائية
| Core | dsPIC30F 16-bit DSC |
| Program Memory (Flash) | 48 KB (16K x 24) |
| Data SRAM | 2 KB |
| EEPROM | 1 KB |
| CPU Speed | 30 MIPS at 30 MHz |
| ADC | 6-channel, 10-bit, 1 Msps |
| Motor Control PWM | Yes (6 outputs) |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN | 1x CAN module |
| I2C | 1x I2C |
| SPI | 1x SPI |
| UART/USART | 1x UART |
| Operating Voltage | 2.5 V to 5.5 V |
| درجة حرارة التشغيل | -40C to +85C (industrial) |
| العلبة | 44-QFN (8x8 mm) with exposed pad |
| نوع التركيب | Surface Mount |
| DSP Engine | Single-cycle 16x16 MAC, 40-bit accumulator |
| حالة RoHS | Compliant |
تكوين أطراف DSPIC30F4012T-30I/ML
| دبوس 1 | EMUD1/AN0/VREF+/CN2 — Emulation data / analog input / VREF+ |
| دبوس 2 | EMUC1/AN1/VREF-/CN3 — Emulation clock / analog input / VREF- |
| دبوس 3 | AN2/CN4 — Analog input |
| دبوس 4 | AN3/CN5 — Analog input |
| دبوس 5 | AN4/CN6 — Analog input |
| دبوس 6 | AVDD — Analog supply |
| دبوس 7 | AVSS — Analog ground |
| دبوس 8 | AN5/CN7 — Analog input |
| دبوس 9 | AN6/CN8 — Analog input |
| دبوس 10 | OSC1/CLKIN — Crystal oscillator input / external clock |
| دبوس 11 | OSC2/CLKO — Crystal oscillator output |
| دبوس 12 | PWM1L/CN1 — PWM1 low-side output |
| دبوس 13 | PWM1H/CN0 — PWM1 high-side output |
| دبوس 14 | PWM2L — PWM2 low-side output |
| دبوس 15 | PWM2H — PWM2 high-side output |
| دبوس 16 | PWM3L — PWM3 low-side output |
| دبوس 17 | PWM3H — PWM3 high-side output |
| دبوس 18 | QEA/IC1/CN9 — QEI phase A / input capture |
| دبوس 19 | QEB/IC2/CN10 — QEI phase B / input capture |
| دبوس 20 | INDX/IC3/CN11 — QEI index / input capture |
| دبوس 21 | FLTA/INT0/CN12 — PWM fault / external interrupt |
| دبوس 22 | U1RX/CN13 — UART1 receive |
| دبوس 23 | U1TX/CN14 — UART1 transmit |
| دبوس 24 | PGC/EMUC — ICSP clock / emulation clock |
| دبوس 25 | PGD/EMUD — ICSP data / emulation data |
| دبوس 26 | MCLR — Master clear reset |
| دبوس 27 | C1RX/CN15 — CAN1 receive |
| دبوس 28 | C1TX/CN16 — CAN1 transmit |
| دبوس 29 | SCK1/CN17 — SPI1 clock |
| دبوس 30 | SDI1/CN18 — SPI1 data in |
| دبوس 31 | SDO1/CN19 — SPI1 data out |
| دبوس 32 | SS1/CN20 — SPI1 slave select |
| دبوس 33 | SCL1/CN21 — I2C1 clock |
| دبوس 34 | SDA1/CN22 — I2C1 data |
| دبوس 35 | VDD — Digital supply |
| دبوس 36 | VSS — Digital ground |
| دبوس 37 | T1CK/CN23 — Timer1 clock |
| دبوس 38 | T2CK/CN24 — Timer2 clock |
| دبوس 39 | IC4/CN25 — Input capture 4 |
| دبوس 40 | IC5/CN26 — Input capture 5 |
| دبوس 41 | OC1/CN27 — Output compare 1 |
| دبوس 42 | OC2/CN28 — Output compare 2 |
| دبوس 43 | INT1/CN29 — External interrupt 1 |
| دبوس 44 | INT2/CN30 — External interrupt 2 |
التطبيقات النموذجية
DSPIC30F4012T-30I/ML مناسب لـ 6 التطبيقs: 3-Phase BLDC / PMSM Motor Drive with FOC, Industrial CAN-Connected Sensor Hub, Digital Power Factor Correction (PFC) Controller, Automotive Body Control Module, Audio Signal Processing Front-End, Uninterruptible Power Supply (UPS) Digital Controller.
3-Phase BLDC / PMSM Motor Drive with FOC
The DSPIC30F4012T-30I/ML's 30 MIPS core, single-cycle 16x16 MAC DSP engine, and dedicated Motor Control PWM module with hardware dead-time make it ideally suited to 3-phase BLDC and PMSM motor drives running field-oriented control. The 1 Msps 10-bit ADC samples phase currents synchronously to the PWM cycle, while the DSP engine executes Park/Clarke transforms and PI loops within microseconds. The QEI input supports incremental encoder feedback for high-speed sensored FOC. Six PWM outputs drive a 3-phase inverter directly. Same-package family variants (DSPIC30F4011T-30I/ML) can be used when CAN is not required.
موصى به
Industrial CAN-Connected Sensor Hub
The integrated CAN module plus industrial -40C to +85C temperature rating make the DSPIC30F4012T-30I/ML well-suited for industrial CAN-bus sensor hubs that aggregate analog/digital signals and publish over CANopen or DeviceNet. The 48KB Flash holds the CANopen stack plus sensor processing, while the 1KB EEPROM stores node configuration and calibration. The 10-bit ADC reads up to 6 analog sensors, with the UART/SPI/I2C peripherals adding flexibility for digital sensors. The DSP engine provides on-board filtering for vibration or acoustic sensors.
موصى به
Digital Power Factor Correction (PFC) Controller
The DSPIC30F4012T-30I/ML's high-speed ADC and DSP throughput suit digital PFC control loops at typical switching frequencies of 50-100 kHz. The DSP engine computes real-time power calculations, harmonic compensation, and adaptive control law adjustments, while the PWM module drives the boost PFC MOSFET. The 2KB SRAM buffers instantaneous current/voltage samples for FFT-based power-quality analysis. The CAN peripheral reports power metrics to a system controller.
موصى به
Automotive Body Control Module
The DSPIC30F4012T-30I/ML's industrial temperature range and rich peripheral set (CAN, PWM, ADC, QEI) suit non-safety-critical automotive body controllers such as seat controllers, HVAC flaps, and lighting modules. The 48KB Flash accommodates LIN/CAN stacks plus application logic. For under-hood applications requiring -40C to +125C, the DSPIC30F4012T-20E/ML (E suffix) provides the extended temperature grade in the same 44-QFN footprint, enabling drop-in upgrade.
موصى به
Audio Signal Processing Front-End
The DSP engine's single-cycle MAC and 40-bit accumulator let the DSPIC30F4012T-30I/ML execute real-time FIR, IIR, and FFT operations for audio front-ends such as active noise cancellation, beamforming, and equalization. The 1 Msps ADC oversamples microphone or line inputs, with the DSP engine performing 48 kHz audio-rate DSP comfortably within MIPS budget. The I2S or SPI interface (configured via PPS) streams processed audio to a DAC or codec. The 2KB SRAM holds audio buffers and delay lines.
موصى به
Uninterruptible Power Supply (UPS) Digital Controller
The DSPIC30F4012T-30I/ML can serve as the digital controller for small-to-medium UPS systems, with the DSP engine running the inverter control loop, battery monitoring, and load-sharing algorithms. The 10-bit ADC reads battery voltage, inverter output current, and temperature sensors, while the PWM module drives the inverter IGBTs with hardware dead-time. The CAN or UART provides status reporting to the system BMS. The 48KB Flash accommodates firmware updates via ICSP for field service.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC30F4012T-30I/ML — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC30F4012-30I/ML | DSPIC30F4012T-20E/ML | DSPIC30F4011T-30I/ML |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| CPU Speed | 30 MIPS @ 30 MHz | 30 MIPS @ 30 MHz | 20 MIPS @ 20 MHz | 30 MIPS @ 30 MHz |
| Flash Program Memory | 48 KB | 48 KB | 48 KB | 48 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB |
| CAN Peripheral | Yes | Yes | Yes | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| Packaging | Tape & Reel | Tube | Tape & Reel | Tape & Reel |
أبرز الفروقات
- Integrated CAN peripheral for industrial networks (مقابلDSPIC30F4011T-30I/ML)
- Full 30 MIPS core speed (مقابلDSPIC30F4012T-20E/ML)
- Tape & Reel packaging for automated assembly (مقابلDSPIC30F4012-30I/ML)
ملاحظات التصميم
Place a 10uF tantalum or ceramic bulk capacitor plus a 0.1uF ceramic decoupling capacitor as close as possible to each VDD/VSS pin pair. The AVDD pin should be isolated from VDD by a small ferrite bead (e.g. BLM18AG601SN1) and decoupled with a separate 0.1uF plus 10uF capacitor pair. According to Microchip's dsPIC30F4011/4012 datasheet, this network suppresses switching noise from the DSP core and ADC, which is critical for clean motor-current sampling.
The 44-QFN (8x8 mm) package has an exposed thermal pad that MUST be soldered to a continuous ground copper plane for both thermal dissipation and electrical performance. Recommended: at least 1 square inch (645 mm^2) of 1 oz copper on the top layer with thermal vias to inner/lower layers. Estimated: at 30 MIPS full activity the part dissipates approximately 0.5-0.7 W, so the thermal pad connection is essential to keep junction temperature within the -40C to +85C industrial range.
Keep the analog input traces (AN0-AN9) short and away from PWM switching traces to avoid coupling noise into motor-current measurements. Route the QEA/QEB/INDX differential pair together with matched length if the encoder cable is long. Place the 30 MHz crystal within 5 mm of OSC1/OSC2 with a grounded guard ring. The ICSP PGC/PGD pins should be brought to a 0.1 inch header or test pads for in-circuit programming and debugging with MPLAB ICD 3 or REAL ICE.
Do not exceed the 5.5V absolute maximum on VDD; even brief transients above this level can damage the part. The MCLR pin requires a 10k pull-up to VDD; do not leave it floating. The PWM fault pin (FLTA) should be tied high through a 10k resistor if unused, otherwise a transient can shut down the PWM outputs unexpectedly. When migrating from the dsPIC30F4011 to dsPIC30F4012 firmware, verify that the CAN peripheral configuration is disabled if not used, as it consumes MIPS.
معلومات الامتثال
RoHS compliant per Microchip product page. Industrial temperature grade (I suffix, -40C to +85C). For AEC-Q100 automotive qualification, choose a Q-graded variant; the DSPIC30F4012T-30I/ML is not AEC-Q100 qualified.
