DSPIC30F4011-20E/PT - 16-bit DSC, 48KB Flash, 20 MIPS | Microchip
N.º da peça: DSPIC30F4011-20E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.92 | $8,92 |
| 10 | $8.04 | $80,40 |
| 100 | $7.18 | $718,00 |
| 500 | $6.42 | $3.210,00 |
| 1.000 | $5.81 | $5.810,00 |
DSPIC30F4011-20E/PT Visão geral
A Digital Signal Controller (DSC) is a hybrid class of microcontroller that pairs a traditional MCU control loop with a single-cycle MAC DSP engine. Within the broader semiconductor taxonomy, a DSC sits between a microcontroller (MCU) and a full digital signal processor (DSP): it retains on-chip Flash, interrupts, and peripherals, while adding DSP-grade MAC, barrel shifter, and 40-bit accumulator resources. The dsPIC30F family specifically targets motor control, switched-mode power conversion, and sensor processing, where 16-bit fixed-point arithmetic and deterministic interrupt latency matter more than floating-point precision.
Key features of the DSPIC30F4011-20E/PT include 20 MIPS sustained throughput from a 40 MHz external oscillator (10 MHz internal RC available), 48 KB Flash, 2 KB SRAM, 1 KB EEPROM, a 6-channel 10-bit ADC with 1 Msps conversion rate, a 6-channel motor-control PWM with 3 complementary pairs and programmable dead time, a quadrature encoder interface, CAN 2.0B, UART, SPI, and I2C. The '20E' suffix indicates an enhanced (-40C to +125C) industrial temperature grade and 20 MIPS performance class, while '/PT' designates the 44-pin TQFP package supplied in tray.
Architecturally, the device employs a 16-bit modified Harvard bus, separate program and data paths, a 24-bit instruction word, and a 16-bit data path with dual 40-bit accumulators. The DSP engine executes MAC and saturate arithmetic in a single cycle, while the MCU core handles interrupts, exception context, and peripheral I/O. This combination lets the device close a current/torque loop at 20 kHz while leaving headroom for CAN communication, encoder decoding, and housekeeping.
Typical applications include BLDC and PMSM motor drives, field-oriented control (FOC) systems, sensorless fan and pump controllers, industrial servo drives, and automotive auxiliary motor subsystems. In each case, the integrated PWM, ADC, and quadrature encoder peripherals reduce external component count, while the DSC engine handles field-weakening transformations, PI loops, and space-vector modulation in hardware-accelerated cycles.
When designing with this part, pay particular attention to the inductor / capacitor selection on the internal 2.5 V regulator output (VDD), the layout of the analog AVSS/AGND pair around the ADC, and the assignment of the PWM fault and current-sense inputs to remappable peripheral pins. Use of the JTAG interface is strongly recommended for production-line programming rather than ICSP for higher throughput.
This page synthesizes distributor pricing, drop-in replacement candidates, and practical design notes that are not found in the standalone manufacturer datasheet, providing an at-a-glance engineering reference for the DSPIC30F4011-20E/PT.
Alternativas drop-in para DSPIC30F4011-20E/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC30F4011-20E/PT (mesmo formato e footprint) — diferindo em ADC, Operating Temperature, Package, Core Architecture, Data RAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC30F4011-30I/PT
✅ Drop-In✓ Em estoque
$4.65 / unidade
Ver ficha técnica →DSPIC30F4011-20E/ML
✅ Drop-In✓ Em estoque
$6.72 / unidade
Ver ficha técnica →DSPIC30F4011-20I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC30F4011-30E/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC30F4012-20E/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC30F3014-20E/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC30F4011-20E/PT Classificações máximas e características elétricas
| Core Architecture | 16-bit dsPIC30F modified Harvard DSC |
| CPU Performance | 20 MIPS (40 MHz external clock) |
| Program Memory | 48 KB Flash (16K x 24 words) |
| Data RAM | 2 KB SRAM |
| Data EEPROM | 1 KB |
| Operating Voltage | 2.5 V to 5.5 V |
| ADC | 6-channel, 10-bit, 1 Msps |
| PWM Modules | Motor-control PWM, 6 channels, 3 complementary pairs |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN | CAN 2.0B |
| Serial Interfaces | UART, SPI, I2C |
| Encapsulamento | 44-pin TQFP (10x10 mm) |
| Temperatura de operação | -40C to +125C (industrial, 'E' suffix) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do DSPIC30F4011-20E/PT
| Pino 1 | AN0/RA0 — Analog input 0 / GPIO port A0 |
| Pino 2 | AN1/RA1 — Analog input 1 / GPIO port A1 |
| Pino 3 | AN2/RA2 — Analog input 2 / GPIO port A2 |
| Pino 4 | AN3/RA3 — Analog input 3 / GPIO port A3 |
| Pino 5 | AN4/RA4 — Analog input 4 / GPIO port A4 |
| Pino 6 | AVSS — Analog ground |
| Pino 7 | AVDD — Analog positive supply |
| Pino 8 | VDD — Digital positive supply (2.5 V to 5.5 V) |
| Pino 9 | VSS — Digital ground |
| Pino 10 | OSC1/CLKI — External clock input / crystal pin 1 |
| Pino 11 | OSC2/CLKO — External clock output / crystal pin 2 |
| Pino 12 | MCLR — Master clear reset (active-low) |
| Pino 13 | PGECx — ICSP/ICD programming clock |
| Pino 14 | PGEDx — ICSP/ICD programming data |
| Pino 15 | PWM1H/RB5 — PWM1 high-side / GPIO port B5 |
| Pino 16 | PWM1L/RB6 — PWM1 low-side / GPIO port B6 |
| Pino 17 | PWM2H/RB7 — PWM2 high-side / GPIO port B7 |
| Pino 18 | PWM2L/RB8 — PWM2 low-side / GPIO port B8 |
| Pino 19 | PWM3H/RB9 — PWM3 high-side / GPIO port B9 |
| Pino 20 | PWM3L/RB10 — PWM3 low-side / GPIO port B10 |
| Pino 21 | RC1 — GPIO port C1 (general purpose) |
| Pino 22 | RC2 — GPIO port C2 (general purpose) |
| Pino 23 | RC3 — GPIO port C3 (general purpose) |
| Pino 24 | RC4 — GPIO port C4 (general purpose) |
| Pino 25 | RD0 — GPIO port D0 (general purpose) |
| Pino 26 | RD1 — GPIO port D1 (general purpose) |
| Pino 27 | RD2 — GPIO port D2 (general purpose) |
| Pino 28 | RD3 — GPIO port D3 (general purpose) |
| Pino 29 | INT0/RF6 — External interrupt 0 / GPIO port F6 |
| Pino 30 | INT1/RF7 — External interrupt 1 / GPIO port F7 |
| Pino 31 | INT2/RF8 — External interrupt 2 / GPIO port F8 |
| Pino 32 | TX/RF3 — UART TX / GPIO port F3 |
| Pino 33 | RX/RF2 — UART RX / GPIO port F2 |
| Pino 34 | SDA/RG3 — I2C data / GPIO port G3 |
| Pino 35 | SCL/RG2 — I2C clock / GPIO port G2 |
| Pino 36 | SDO/RG6 — SPI data out / GPIO port G6 |
| Pino 37 | SDI/RG7 — SPI data in / GPIO port G7 |
| Pino 38 | SCK/RG8 — SPI clock / GPIO port G8 |
| Pino 39 | SS/RG9 — SPI slave select / GPIO port G9 |
| Pino 40 | C1RX/RG0 — CAN1 RX / GPIO port G0 |
| Pino 41 | C1TX/RG1 — CAN1 TX / GPIO port G1 |
| Pino 42 | QEA/RD4 — Quadrature encoder A / GPIO port D4 |
| Pino 43 | QEB/RD5 — Quadrature encoder B / GPIO port D5 |
| Pino 44 | INDX/RD6 — Quadrature index / GPIO port D6 |
Aplicações típicas
DSPIC30F4011-20E/PT é adequado para 6 aplicaçãos: Brushless DC (BLDC) Motor Control, Field-Oriented Control (FOC) for PMSM, Industrial Servo Drives, Sensorless Fan and Pump Controllers, Switched-Mode Power Factor Correction (PFC), Automotive Auxiliary Motor Control.
Brushless DC (BLDC) Motor Control
The DSPIC30F4011-20E/PT is well matched to BLDC motor drives because its 6-channel motor-control PWM with programmable dead time directly drives a three-phase inverter at switching frequencies up to 20 kHz while leaving headroom for trapezoidal commutation. The 1 Msps 10-bit ADC samples phase currents synchronously to the PWM cycle, and the 16-bit DSC engine executes field-oriented transformations and PI loops within 2 us. A complete sensorless BLDC reference design is provided in Microchip AN957 and AN992, both of which the part supports without external DSP.
Recomendado
Field-Oriented Control (FOC) for PMSM
For permanent-magnet synchronous motor (PMSM) FOC, the DSPIC30F4011-20E/PT's dual 40-bit accumulator and single-cycle MAC complete the Park/Clarke transform and PI loops in under 5 us per cycle, supporting 20 kHz current loop bandwidth. The integrated quadrature encoder interface reads rotor position from incremental encoders without an external decoder, while the CAN 2.0B peripheral streams torque and status to a master controller. Per Microchip AN1078, the part runs sensorless FOC using only ADC and PWM peripherals with no external op-amps.
Recomendado
Industrial Servo Drives
Industrial servo drives benefit from the DSPIC30F4011-20E/PT's combination of deterministic interrupt latency, hardware QEI, and CAN bus. The 48 KB Flash accommodates multi-mode control law, profile generator, and CANopen stack, while the 44-pin TQFP exposes a JTAG port for in-system production programming. The -40C to +125C industrial temperature grade meets EN 61131-2 expectations for cabinet-mounted servos in factory automation, and the 5 V tolerance simplifies interface to legacy 24 V position sensors.
Recomendado
Sensorless Fan and Pump Controllers
Sensorless fan and pump controllers use back-EMF zero-crossing detection, a pattern well suited to the DSPIC30F4011-20E/PT's 6-channel ADC and edge-triggered interrupts. The 20 MIPS throughput runs AN1083 sensorless reference code with margin for adaptive commutation timing, and the integrated PWM with fault inputs immediately disables outputs on over-current. The 5 V tolerance allows direct interface to 24 V HVAC bus rails through resistive dividers.
Recomendado
Switched-Mode Power Factor Correction (PFC)
For boost PFC and interleaved PFC front-ends, the DSPIC30F4011-20E/PT's high-speed ADC and PWM pair in a single-cycle average current control loop running above 50 kHz. According to Microchip application notes, the part's enhanced PWM with 1.04 ns PWM resolution gives precise duty control at 40 MHz system clock. The 48 KB Flash and 2 KB SRAM hold average-current and transition-mode PFC state machines plus protection firmware.
Recomendado
Automotive Auxiliary Motor Control
Automotive auxiliary motor subsystems (electric power steering, HVAC blowers, water pumps) leverage the DSPIC30F4011-20E/PT's CAN 2.0B and 5 V I/O tolerance to communicate directly with the vehicle bus. The 44-pin TQFP and -40C to +125C industrial temperature range suit under-hood environments when paired with external transient protection. For AEC-Q100 automotive qualification, Microchip recommends the .../PTVAO automotive-suffix variant of the same die, which is the drop-in automotive equivalent of the standard part.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC30F4011-20E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC30F4011-30I/PT | DSPIC30F4011-20E/ML | DSPIC30F4011-20I/PT | DSPIC30F4012-20E/PT | DSPIC30F3014-20E/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) | 44-pin QFN (8x8) | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) | 44-pin TQFP (10x10) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Performance | 20 MIPS @ 40 MHz | 30 MIPS @ 60 MHz | 20 MIPS @ 40 MHz | 20 MIPS @ 40 MHz | 20 MIPS @ 40 MHz | 20 MIPS @ 40 MHz |
| Program Flash | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 24 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| 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 | 6-ch 10-bit 1 Msps (more channels available) | 6-ch 10-bit 1 Msps |
| PWM Channels | 6 (3 complementary pairs) | 6 (3 complementary pairs) | 6 (3 complementary pairs) | 6 (3 complementary pairs) | 6 (3 complementary pairs) | 4 (2 complementary pairs) |
| CAN | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | No (I2C/SPI only) |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (I) | -40C to +125C (E) | -40C to +125C (I) | -40C to +125C (E) | -40C to +125C (E) |
Principais diferenciais
- Highest Flash density in 44-pin TQFP dsPIC30F family (vs DSPIC30F3014-20E/PT)
- Integrated CAN 2.0B peripheral (vs DSPIC30F3014-20E/PT)
- Mature motor-control peripheral set with hardware QEI (vs Generic MCU + software quadrature decode)
Notas de projeto
Estimated: place a 10 uF X7R ceramic and a 1 uF tantalum on each of AVDD and VDD within 5 mm of the pins, and tie AVSS to VSS at a single ground island. The internal 2.5 V regulator drives VDD core from VDD external; connect the VCAP pin to a 1 uF-2.2 uF low-ESR capacitor. Brown-out and Power-on Reset thresholds are configured in the configuration register (FBS, FSS) - select BOR enabled at 2.7 V for 5 V systems.
Layout recommendation: keep motor PWM traces short and routed as differential pairs (H/L) to the gate driver inputs, with at least 6 mm clearance between the AGND and GND islands on the PCB. The analog AVSS/AGND pair must be a star connection to the power ground. Place the decoupling capacitor for VCAP directly at the pin with a 0.1 uF X7R in parallel.
For the 10-bit ADC to achieve 1 Msps with 10 ENOB, place a 100 nF + 10 uF cap on each analog input and route analog signals away from the PWM switching edges. Use the internal ADC's simultaneous sampling feature to read all three phase currents in a single conversion cycle, which avoids inter-channel phase shift in FOC implementations.
Do not confuse the '-20E' (enhanced, -40C to +125C) with the '-20I' (industrial, same range but different test level) suffix when sourcing for automotive prototypes; only the '/PTVAO' suffix carries AEC-Q100 qualification. Also confirm the JTAG/ICSP pinout (PGECx/PGEDx) matches your programming tool before lay-up - several programmer interfaces assume pin 13/14 assignments that vary on QFN-packaged cousins.
Informações de conformidade
RoHS compliant per Microchip product page. Standard -20E suffix is industrial temperature, NOT AEC-Q100 automotive qualified - use the .../PTVAO automotive variant for AEC-Q100.