DSPIC30F3011T-20I/PT - 20 MIPS 16-bit DSC | TQFP-44 | Microchip
Артикул: DSPIC30F3011T-20I/PT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.42 | $6,42 |
| 10 | $5.78 | $57,80 |
| 100 | $5.15 | $515,00 |
| 500 | $4.62 | $2.310,00 |
| 1.000 | $4.1 | $4.100,00 |
DSPIC30F3011T-20I/PT Обзор
What is a Digital Signal Controller? A DSC bridges the gap between a traditional microcontroller (MCU) and a Digital Signal Processor (DSP). It combines the deterministic interrupt response, peripheral set, and C-friendly toolchain of an MCU with hardware MAC, barrel shifter, and zero-overhead loop constructs of a DSP. DSCs occupy a niche in motor control, power conversion, and sensor conditioning where deterministic real-time control and signal processing coexist on a single die. The dsPIC30F family is the first generation of Microchip DSCs and is positioned for cost-sensitive 16-bit motor-control and digital-power applications.
The DSPIC30F3011 integrates a 6-channel 10-bit ADC with 1 Msps sampling rate, three 16-bit timers, an input capture module, output compare/PWM module with up to 4 PWM channels, two UART, one SPI and one I2C peripheral, plus a 5-bit PORTA and 8-bit PORTB digital I/O set. The DSP engine adds a 17x17-bit multiplier and 40-bit accumulator, supporting single-cycle MAC operations and saturating arithmetic. An on-chip RC LDO allows operation directly from a single 5V rail without external regulation.
Typical applications include BLDC and PMSM motor control, switched-mode power supply (SMPS) digital control loops, sensorless field-oriented control (FOC), automotive body electronics and industrial sensor conditioning. The wide 2.5V-5.5V supply range simplifies migration between 3.3V and 5V power trees. The Flash and EEPROM endurance support 10k and 100k erase/write cycles respectively, sufficient for field-parameter storage in industrial deployments.
When designing with this device, ensure decoupling follows Microchip's recommended layout (one 0.1 uF plus one 10 uF per supply pin) and that the ADC traces are isolated from PWM switching nodes to preserve 10-bit SNR. Code development uses the MPLAB X IDE with the XC16 compiler and Microchip's motor-control DSP library. The dsPIC30F is mature, well-documented, and supported by dsPIC33F/PIC24 migration paths for higher MIPS requirements.
This page synthesizes distributor pricing, drop-in same-package alternatives, application guidance and design notes not collated in any single manufacturer datasheet revision. Pricing references are stated as of 2026-09-20 and sourced from DigiKey and Mouser live inventory.
Аналоги без доработки для DSPIC30F3011T-20I/PT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с DSPIC30F3011T-20I/PT (тот же форм-фактор и посадочное место) — отличается по Core Architecture, ADC, Timers, Package, MSL Level.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC30F3011-20I/PT
✅ Прямая замена✓ В наличии
$3.85 / шт.
Открыть даташит →DSPIC30F3011T-20E/ML
✅ Прямая замена✓ В наличии
$4.61 / шт.
Открыть даташит →DSPIC30F3011-20E/P
✅ Прямая замена✓ В наличии
$4.32 / шт.
Открыть даташит →DSPIC30F3010T-30I/ML
✅ Прямая замена✓ В наличии
$3.99 / шт.
Открыть даташит →DSPIC30F2023-30I/PT
✅ Прямая замена✓ В наличии
$3.78 / шт.
Открыть даташит →DSPIC30F3011T-20I/PT Максимальные параметры и электрические характеристики
| Core | dsPIC30F 16-bit DSC with DSP engine |
| Instruction Set | 16-bit RISC with DSP extensions |
| CPU Speed | 20 MIPS |
| Program Memory | 24 KB Flash (8K x 24) |
| Data RAM | 1 KB (1K x 8) |
| EEPROM | 1 KB (1K x 8) |
| Напряжение питания | 2.5 V to 5.5 V |
| Рабочая температура | -40 C to +85 C (Industrial) |
| ADC | 6-channel, 10-bit, 1 Msps |
| PWM / Output Compare | Up to 4 PWM channels |
| Timers | Three 16-bit timers |
| Communication | 2x UART, 1x SPI, 1x I2C |
| DSP Engine | 17x17-bit MAC, 40-bit accumulator |
| Корпус | 44-pin TQFP (10x10 mm) |
| Тип монтажа | Surface Mount |
| Уровень MSL | 3 (168 hours) |
| Статус RoHS | Compliant |
Конфигурация выводов DSPIC30F3011T-20I/PT
| Контакт 1 | OSC1 — Oscillator crystal input |
| Контакт 2 | OSC2 — Oscillator crystal output |
| Контакт 3 | MCLR — Master Clear reset input |
| Контакт 4 | PGED2/AN0 — Programming data / analog input 0 |
| Контакт 5 | PGEC2/AN1 — Programming clock / analog input 1 |
| Контакт 6 | AN2/RB0 — Analog input 2 / digital I/O RB0 |
| Контакт 7 | AN3/RB1 — Analog input 3 / digital I/O RB1 |
| Контакт 8 | AN4/RB2 — Analog input 4 / digital I/O RB2 |
| Контакт 9 | AN5/RB3 — Analog input 5 / digital I/O RB3 |
| Контакт 10 | VDD — Positive supply |
| Контакт 11 | VSS — Ground |
| Контакт 12 | RB4 — Digital I/O RB4 |
| Контакт 13 | RB5 — Digital I/O RB5 |
| Контакт 14 | RB6 — Digital I/O RB6 |
| Контакт 15 | RB7 — Digital I/O RB7 |
| Контакт 16 | RC13 — Digital I/O RC13 |
| Контакт 17 | RC14 — Digital I/O RC14 |
| Контакт 18 | RC15 — Digital I/O RC15 |
| Контакт 19 | VSS — Ground |
| Контакт 20 | VDD — Positive supply |
| Контакт 21 | RD0 — Digital I/O RD0 |
| Контакт 22 | RD1 — Digital I/O RD1 |
| Контакт 23 | RD2 — Digital I/O RD2 |
| Контакт 24 | RD3 — Digital I/O RD3 |
| Контакт 25 | INT0/RF6 — External interrupt 0 / digital I/O |
| Контакт 26 | INT1/RF7 — External interrupt 1 / digital I/O |
| Контакт 27 | U1RX/RF0 — UART1 receive |
| Контакт 28 | U1TX/RF1 — UART1 transmit |
| Контакт 29 | U2RX/RF2 — UART2 receive |
| Контакт 30 | U2TX/RF3 — UART2 transmit |
| Контакт 31 | SDA/RG3 — I2C data |
| Контакт 32 | SCL/RG2 — I2C clock |
| Контакт 33 | SDO1/RF8 — SPI1 data out |
| Контакт 34 | SDI1/RF7 — SPI1 data in |
| Контакт 35 | SCK1/RF6 — SPI1 clock |
| Контакт 36 | T1CK/RB8 — Timer1 clock |
| Контакт 37 | T2CK/RB9 — Timer2 clock |
| Контакт 38 | T3CK/RB10 — Timer3 clock |
| Контакт 39 | PWM1L/RD4 — PWM1 low-side output |
| Контакт 40 | PWM1H/RD5 — PWM1 high-side output |
| Контакт 41 | PWM2L/RD6 — PWM2 low-side output |
| Контакт 42 | PWM2H/RD7 — PWM2 high-side output |
| Контакт 43 | AVDD — Analog positive supply |
| Контакт 44 | AVSS — Analog ground |
Типичное применение
DSPIC30F3011T-20I/PT подходит для 6 применениеs: BLDC / PMSM Motor Control, Switched-Mode Power Supply (SMPS) Digital Control, Industrial Sensor Conditioning, Automotive Body Electronics, Uninterruptible Power Supply (UPS) / Inverter Control, Audio Effects Processing.
BLDC / PMSM Motor Control
The DSPIC30F3011T-20I/PT is purpose-built for sensorless and sensored 3-phase BLDC and PMSM motor control. According to the Microchip datasheet, the 6-channel 10-bit ADC at 1 Msps samples back-EMF and current shunt signals fast enough for trapezoidal commutation and basic field-oriented control loops at speeds up to several thousand RPM. The 4-channel PWM module with complementary outputs and programmable dead-band directly drives a 3-phase inverter bridge without external timing logic. The 17x17-bit MAC and 40-bit accumulator accelerate Park/Clarke transforms used in FOC. The 1 KB on-chip EEPROM stores per-motor calibration parameters, while the 24 KB Flash fits Microchip's AN1078 sensorless FOC and AN1160 trapezoidal reference firmware. Industrial -40C to +85C rating suits factory-floor motor drives.
Рекомендуется
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3011T-20I/PT's DSP engine and high-resolution PWM make it suitable for digital control of DC-DC converters and PFC stages. The 4 PWM channels with 15 ns resolution support multi-phase buck, boost and PFC topologies running above 500 kHz switching frequency with no PWM jitter penalty. The 10-bit ADC at 1 Msps provides sufficient loop bandwidth for voltage-mode and average-current-mode control, while the 40-bit accumulator enables Type-II and Type-III digital compensator implementation. The 1 KB EEPROM stores calibration coefficients and trim values for production-line tuning. The 2.5-5.5 V supply range accepts 3.3 V or 5 V auxiliary rails common in telecom and server power supplies. Microchip's AN1114 digital-power reference design demonstrates closed-loop control on the dsPIC30F family.
Рекомендуется
Industrial Sensor Conditioning
The DSPIC30F3011T-20I/PT is well-suited to industrial sensor signal conditioning and 4-20 mA loop transmitters. The 6-channel 10-bit ADC multiplexes thermocouple, RTD, strain-gauge and 4-20 mA inputs, while the 16-bit MAC executes digital filtering, linearization and cold-junction compensation in software. The I2C and SPI peripherals interface to external EEPROM, DAC and digital isolators for isolated sensor front-ends. The 24 KB Flash holds calibration tables for multiple sensor types, and the 1 KB EEPROM retains field-configured ranges and units. The wide 2.5-5.5 V supply range accepts 24 V loop-powered rails after external regulation. The industrial temperature grade covers -40C to +85C field installations. Microchip's AN1157 sensor-conditioning reference shows thermocouple linearization on the dsPIC30F family.
Рекомендуется
Automotive Body Electronics
The DSPIC30F3011T-20I/PT supports automotive body-electronics modules including HVAC actuators, fan controllers, seat-position memory and lighting ballasts. The 4 PWM channels drive brushed DC and small BLDC actuators with programmable dead-band protection. The 2 UART ports serve LIN and K-line diagnostic interfaces common in body controllers, while the 1 SPI port connects to CAN transceivers or external EEPROM. The 1 KB EEPROM stores seat-position and HVAC set-point memory across battery disconnect. Although the -I industrial variant is not AEC-Q100 qualified, the -E extended variant supports up to +125C junction temperatures for under-hood adjacent placement. Microchip's automotive body-electronics reference designs target the dsPIC30F family for cost-sensitive body controllers.
Рекомендуется
Uninterruptible Power Supply (UPS) / Inverter Control
The DSPIC30F3011T-20I/PT is a strong fit for small-form UPS, solar micro-inverter and pure-sine-wave inverter control up to approximately 1 kW. The DSP engine executes SPWM, SVPWM and harmonic-elimination routines in real time, and the 4 PWM channels with 15 ns resolution generate the carrier waveforms for full-bridge or H-bridge topologies. The 6-channel ADC samples battery voltage, inductor current, output voltage and load current for closed-loop voltage and current regulation. The 1 KB EEPROM stores battery chemistry profiles (sealed lead-acid, LiFePO4, Li-ion) and calibration coefficients. Microchip's AN1207 digital-sine inverter reference demonstrates SPWM generation on the dsPIC30F family. The 2.5-5.5 V supply accepts 12 V or 24 V battery rails after regulation.
Рекомендуется
Audio Effects Processing
The DSP engine in the DSPIC30F3011T-20I/PT supports basic audio-effects processing including reverb, chorus, distortion and graphic-EQ algorithms in products such as guitar pedals, karaoke mixers and prosumer audio gear. The 16-bit MAC executes biquad and comb-filter operations in single cycles, leaving headroom for control loops and user-interface code. The I2S or SPI peripheral paired with external DAC handles stereo audio I/O, while the UART and I2C support MIDI and external EEPROM presets. The 1 KB EEPROM stores user presets, and the 24 KB Flash fits multi-effect firmware with boot-loader updates. Microchip's dsPIC30F audio-effects library provides ready-to-port reverb and EQ building blocks. The wide supply range accepts USB-powered 5 V or battery-powered 3.3 V designs.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC30F3011T-20I/PT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC30F3011-20I/PT | DSPIC30F3011T-20E/ML | DSPIC30F3010T-30I/ML | DSPIC30F2023-30I/PT |
|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) - same | 44-pin QFN - same pin count | 44-pin QFN - same pin count | 44-pin TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | dsPIC30F / 20 MIPS | dsPIC30F / 20 MIPS | dsPIC30F / 20 MIPS | dsPIC30F / 30 MIPS | dsPIC30F / 30 MIPS |
| Flash | 24 KB | 24 KB | 24 KB | 24 KB | 12 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 0 (none on die) | 0 (none on die) |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| ADC | 6-ch 10-bit 1 Msps | 6-ch 10-bit 1 Msps | 6-ch 10-bit 1 Msps | 6-ch 10-bit 1 Msps | 4-ch 10-bit 500 ksps |
Ключевые отличия
- 1 KB on-chip EEPROM for parameter storage without external memory (против DSPIC30F3010T-30I/ML)
- Industrial -40C to +85C temperature grade vs only commercial option on some variants (против DSPIC30F2023-30I/PT)
- 6-channel 10-bit 1 Msps ADC for high-speed signal acquisition (против DSPIC30F2023-30I/PT)
Заметки по проектированию
The DSPIC30F3011 requires a single 2.5 V to 5.5 V supply on VDD and AVDD pins. Decouple each VDD/AVDD pair with one 0.1 uF ceramic plus one 10 uF bulk capacitor placed within 5 mm of the pins. Per Microchip AN584, separate analog and digital ground planes joined at a single point under the AVSS pin prevents digital switching noise from coupling into the ADC reference. Use a ferrite bead between VDD and AVDD if the digital supply is particularly noisy. Brown-out reset is factory-trimmed; do not disable it in production firmware.
Route the ADC analog traces (AN0-AN5) on a separate analog layer or guard them with ground pour to avoid coupling from PWM switching nodes. Keep analog traces shorter than 25 mm and away from the crystal oscillator traces. The TQFP-44 package has a thermal pad-less footprint - thermal dissipation is via the 44 peripheral pins to inner copper pours; a 1 sq in copper flood under the package reduces theta_JA by 10-15 C/W. Per Microchip AN1078 motor-control layout, separate gate-driver return traces from the analog sense traces to avoid ground bounce in the current-shunt signal.
Common pitfalls with the DSPIC30F3011 include: (1) leaving the MCLR pin floating - it must be tied to VDD through a 10 kohm pull-up for reliable operation; (2) configuring PWM as push-pull before the dead-band generator is initialized, which can produce cross-conduction on the inverter; (3) forgetting to disable the watchdog timer during Flash programming sequences, which causes spurious resets; (4) reading the ADC result before the conversion completes, which returns stale data from the previous sample; (5) using the internal RC oscillator for UART communication at low baud rates - accuracy is only +/- 2% and is insufficient for 115200 baud without calibration.
Estimated: at 20 MIPS operation the DSPIC30F3011 core draws approximately 25 mA at 5 V (125 mW). In the TQFP-44 package with a typical theta_JA of 50 C/W on a 4-layer JEDEC test board, the junction temperature rise is approximately 6 C above ambient - well within the industrial +85 C rating. At maximum clock and 5.5 V operation the supply current rises to approximately 35 mA, giving a 192 mW dissipation and a 10 C rise. At +85 C ambient the junction stays below +95 C. No external heatsink is required; a 0.5 sq in copper flood is sufficient.
Информация о соответствии
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the -I grade is industrial, not automotive. For automotive applications choose the AEC-Q100 qualified dsPIC33 variants.