DSPIC30F4011T-20I/ML - 16-bit DSC, 20 MIPS, 48KB Flash | Microchip
MPN: DSPIC30F4011T-20I/ML ✓ نشطDSPIC30F4011T-20I/ML نظرة عامة
What is a DSC? A Digital Signal Controller is a hybrid MCU/DSP that combines a microcontroller's deterministic control peripherals with a DSP engine capable of single-cycle MAC operations. In the system hierarchy, a DSC sits between an MCU (control-oriented) and a full DSP (compute-oriented); it is widely used in motor-control and digital-power loops where both tight control and signal-processing math are required in one device.
Key features of this part include a high-performance dsPIC30 CPU core with hardware multiply-accumulate, dual 10-bit ADC modules, a 6-channel 16-bit PWM module (with complementary or independent outputs and dead-time control), a quadrature encoder interface (QEI), CAN, I2C, SPI, and UART peripherals. The 44-pin QFN exposed-pad package delivers a compact 8 mm x 8 mm footprint with a low thermal-resistance path to PCB copper.
Architecturally, the dsPIC30F4011 uses a modified Harvard architecture with separate program and data paths, a 24-bit instruction word, and a 16-bit data path with two 40-bit accumulators for DSP operations. The integrated motor-control PWM supports edge-aligned, center-aligned, and variable-phase modes required for 3-phase inverter switching.
Typical applications include 3-phase BLDC/PMSM motor drives, sensorless field-oriented control (FOC), digital PFC power-factor-correction loops, UPS inverters, and industrial automation sensor conditioning. The integrated CAN bus and QEI simplify sensor-rich industrial nodes.
Design consideration: place a 10 uF bulk capacitor and a 0.1 uF decoupling capacitor close to the VDD/VSS pairs, and solder the exposed pad (EP) to a continuous copper pour to maintain junction temperature within the -40C to +85C industrial range at full MIPS.
This page synthesizes distributor stock, drop-in alternatives within the dsPIC30F family, and practical PCB design notes not consolidated in the manufacturer datasheet.
بدائل مباشرة لـ DSPIC30F4011T-20I/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 DSPIC30F4011T-20I/ML (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Operating Temperature, Core Architecture, Timers.
DSPIC30F4011-20I/ML
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عرض ورقة البيانات ←DSPIC30F4011T-20E/ML
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DSPIC30F4011T-30I/ML
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عرض ورقة البيانات ←DSPIC30F4011T-20I/ML الحدود القصوى والخصائص الكهربائية
| Core | dsPIC30F, 16-bit DSC |
| CPU Speed | 20 MIPS |
| Clock Speed | 40 MHz max |
| Program Memory (Flash) | 48 KB (16K x 24) |
| RAM | 2 KB |
| Supply Voltage (VDD) | 3 V to 5.5 V (operating); 2.5 V/3.3 V/5 V family |
| I/O Pins | 20 |
| العلبة | 44-pin QFN (ML), 8 x 8 mm, with exposed pad |
| درجة حرارة التشغيل | -40C to +85C (industrial, 'I' suffix) |
| ADC | Dual 10-bit, multi-channel |
| PWM | Motor-control PWM, 6 channels, 16-bit |
| Communication | CAN, I2C, SPI, UART/USART |
| Quadrature Encoder Interface | Yes (QEI) |
| نوع التركيب | Surface Mount |
| Packaging | Tape & Reel (T/R) |
تكوين أطراف DSPIC30F4011T-20I/ML
| دبوس 1 | SDA/RF4 — I2C data / GPIO |
| دبوس 2 | SCL/RF3 — I2C clock / GPIO |
| دبوس 3 | RF2/CN20 — GPIO / change notification |
| دبوس 4 | RF1/CN21 — GPIO / change notification |
| دبوس 5 | RF0/CN22 — GPIO / change notification |
| دبوس 6 | VDD — Digital supply voltage |
| دبوس 7 | VSS — Digital ground |
| دبوس 8 | OSC1/CLKI — Crystal oscillator input / external clock |
| دبوس 9 | OSC2/CLKO — Crystal oscillator output |
| دبوس 10 | MCLR — Master clear reset (active-low) |
| دبوس 11 | RE0/INT0 — GPIO / external interrupt 0 |
| دبوس 12 | RE1/INT1 — GPIO / external interrupt 1 |
| دبوس 13 | RE2/INT2 — GPIO / external interrupt 2 |
| دبوس 14 | RE3/CN1 — GPIO / change notification |
| دبوس 15 | RE4/CN2 — GPIO / change notification |
| دبوس 16 | RE5/CN3 — GPIO / change notification |
| دبوس 17 | AVDD — Analog supply voltage |
| دبوس 18 | AVSS — Analog ground |
| دبوس 19 | AN0/RA0 — Analog input 0 / GPIO |
| دبوس 20 | AN1/RA1 — Analog input 1 / GPIO |
| دبوس 21 | AN2/RA2 — Analog input 2 / GPIO |
| دبوس 22 | AN3/RA3 — Analog input 3 / GPIO |
| دبوس 23 | AN4/RA4 — Analog input 4 / GPIO |
| دبوس 24 | AN5/RA5 — Analog input 5 / GPIO |
| دبوس 25 | VDD — Digital supply voltage |
| دبوس 26 | VSS — Digital ground |
| دبوس 27 | RB0/AN8 — GPIO / analog input 8 |
| دبوس 28 | RB1/AN9 — GPIO / analog input 9 |
| دبوس 29 | RB2/AN10/C1IN+ — GPIO / analog input 10 / comparator input |
| دبوس 30 | RB3/AN11/C1IN- — GPIO / analog input 11 / comparator input |
| دبوس 31 | RB4/AN12/C2IN+ — GPIO / analog input 12 / comparator input |
| دبوس 32 | RB5/AN13/C2IN- — GPIO / analog input 13 / comparator input |
| دبوس 33 | RB6/PGEC1 — GPIO / ICSP clock |
| دبوس 34 | RB7/PGED1 — GPIO / ICSP data |
| دبوس 35 | RC13/SDO1 — GPIO / SPI data out |
| دبوس 36 | RC14/SDI1 — GPIO / SPI data in |
| دبوس 37 | OSC1/RC15 — Secondary oscillator / GPIO |
| دبوس 38 | RC1/T2CK — GPIO / Timer2 clock |
| دبوس 39 | RC2/PWM1H — PWM1 high output |
| دبوس 40 | RC3/PWM1L — PWM1 low output (complementary) |
| دبوس 41 | RC4/PWM2H — PWM2 high output |
| دبوس 42 | RD0/PWM2L — PWM2 low output / GPIO |
| دبوس 43 | RD1/PWM3H — PWM3 high output / GPIO |
| دبوس 44 | RD2/PWM3L — PWM3 low output / GPIO |
التطبيقات النموذجية
DSPIC30F4011T-20I/ML مناسب لـ 6 التطبيقs: 3-Phase BLDC/PMSM Motor Drive, Digital Power Factor Correction (PFC), Uninterruptible Power Supply (UPS) Inverter, Industrial Sensor Conditioning & CAN Node, Solar Micro-Inverter, Automotive Body Electronics Module.
3-Phase BLDC/PMSM Motor Drive
The DSPIC30F4011T-20I/ML is purpose-built for 3-phase BLDC and PMSM motor control, where its integrated 6-channel 16-bit motor-control PWM with complementary outputs and dead-time control eliminates the need for an external PWM controller. At 20 MIPS, the dsPIC30F core executes field-oriented control (FOC) algorithms within a single PWM cycle (typically 50 us at 20 kHz switching frequency), allowing simultaneous current loop, speed loop, and space-vector modulation. The 48 KB Flash holds the complete sensorless FOC state machine including Clarke/Park transforms, an SMO observer, and PI controllers.
موصى به
Digital Power Factor Correction (PFC)
In boost-PFC front-end converters, the DSPIC30F4011T-20I/ML's 20 MIPS throughput and 10-bit ADC with 200 ksps aggregate throughput enable average-current-mode control at typical 65 kHz switching frequencies. The DSC's single-cycle MAC accelerates the multiply-intensive input-current shaping loop, and the PWM's fault-input allows nanosecond over-current protection without CPU intervention. With 48 KB Flash, designers implement soft-start, input-voltage feedforward, and THD-optimized modulation within a single chip.
موصى به
Uninterruptible Power Supply (UPS) Inverter
For on-line UPS systems, the DSPIC30F4011T-20I/ML generates the SPWM or SVPWM waveforms driving the DC-AC inverter stage while simultaneously running the sinusoidal reference generator and output-voltage regulation loop. The QEI input can be used to read back output frequency for closed-loop regulation, and the CAN peripheral enables paralleling multiple UPS modules. Industrial-grade -40C to +85C operation supports installation in non-climate-controlled electrical rooms.
موصى به
Industrial Sensor Conditioning & CAN Node
The DSPIC30F4011T-20I/ML's combination of dual 10-bit ADC inputs, integrated CAN 2.0B controller, and 20 MIPS processing makes it a complete industrial sensor node - digitizing analog sensor signals, applying digital filtering or linearization in software, and broadcasting the result over CAN. With 48 KB Flash, the part can hold application-specific calibration tables and proprietary sensor compensation algorithms.
موصى به
Solar Micro-Inverter
Grid-tied solar micro-inverters operating below 600 W use the DSPIC30F4011T-20I/ML to execute MPPT, anti-islanding detection, and grid-synchronization control loops. The 20 MIPS budget supports perturb-and-observe or incremental-conductance MPPT at 10 Hz update rates while the inverter runs at 20-50 kHz PWM. The integrated CAN or UART enables module-level monitoring and remote firmware updates.
موصى به
Automotive Body Electronics Module
While not AEC-Q100 qualified, the DSPIC30F4011T-20I/ML's industrial -40C to +85C range suits non-safety automotive body applications such as seat controllers, mirror actuators, or HVAC damper control. The 20-channel 10-bit ADC reads multiple position sensors, and the 6-channel PWM drives brushed DC or small BLDC actuators. For under-hood or safety-critical automotive use, migrate to a dsPIC33F AEC-Q100 device.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC30F4011T-20I/ML — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC30F4011-20I/ML | DSPIC30F4011T-20E/ML | DSPIC30F4011T-30I/ML | DSPIC30F4011T-20I/PT |
|---|---|---|---|---|---|
| Package | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin TQFP (PT) 10x10 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed (MIPS) | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS (+50%) | 20 MIPS |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| CAN Bus | Yes | Yes | Yes | Yes | Yes |
| PWM Channels | 6 (motor-control PWM) | 6 | 6 | 6 | 6 |
أبرز الفروقات
- Integrated CAN bus plus 6-channel motor-control PWM (مقابلDSPIC30F4011-20I/PT)
- 20 MIPS performance grade (مقابلDSPIC30F4011T-30I/ML)
- Industrial -40C to +85C operating range (مقابلDSPIC30F4011T-20E/ML)
ملاحظات التصميم
Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor within 3 mm of each VDD/VSS pin pair. For the QFN exposed pad, solder to a continuous copper pour with at least 8 thermal vias (0.3 mm diameter) to the internal ground plane. This minimizes ground bounce during high-speed PWM switching transitions that can corrupt ADC readings on the same die.
Route the ADC analog inputs (AN0-AN13) away from the PWM output traces and digital switching signals. Use a ground-plane guard ring around sensitive analog input pins and consider a separate AVSS trace back to the regulator ground. Place the AVdd decoupling capacitor (10 uF + 0.1 uF) within 5 mm of the AVdd pin to suppress noise coupling into the ADC reference.
Estimated: at full 20 MIPS operation with all peripherals active and PWM switching at 20 kHz, the DSPIC30F4011T-20I/ML dissipates approximately 0.5 W in the QFN package. Without the exposed pad soldered to copper, theta_JA rises above 60 C/W; with proper exposed-pad soldering to 1 square inch of 2 oz copper, theta_JA drops to approximately 25 C/W, keeping junction rise below 12 C above ambient at 0.5 W.
The dsPIC30F4011 requires configuration bits to be programmed for oscillator selection (FOSC), watchdog timer (FWDT), and code protection (FGS); unprogrammed configuration bits default to internal FRC with watchdog enabled, which can prevent external oscillator operation on first power-up. Always set the JTAG/debug disable bit (ICS) only after final code is locked, otherwise ICSP debugging will be permanently disabled.
معلومات الامتثال
RoHS and REACH compliance per Microchip product environmental compliance documentation. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, use the dsPIC33F AEC-Q100 family.
