DSPIC30F3011T-20E/PT - 16-Bit 20MIPS 24KB Flash DSC | Microchip
MPN: DSPIC30F3011T-20E/PT ✓ Hoạt độngDSPIC30F3011T-20E/PT Tóm tắt
What is a Digital Signal Controller (DSC)? A DSC is a hybrid architecture that combines the interrupt-driven control loop responsiveness of a microcontroller (MCU) with the deterministic signal-processing throughput of a digital signal processor (DSP). Unlike pure DSPs, DSCs retain MCU peripherals such as PWM modules, ADCs, and UARTs, while adding single-cycle MAC operations and zero-overhead looping. The dsPIC30F family sits within the broader taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor IC. It targets applications too demanding for an 8/16-bit MCU but too cost-sensitive for a full DSP.
Key features include a high-performance 16-bit modified Harvard core with single-cycle 16x16-bit MAC, a hardware multiply/divide engine, 24 KB Flash with 1.5 KB RAM, and 1 KB EEPROM for data storage. Integrated peripherals cover a 10/12-bit ADC, multiple 16-bit PWM channels suited for three-phase motor drive, capture/compare/PWM (MCPWM) modules, quadrature encoder interfaces, I2C/SPI/UART, and 5 16-bit timer/counters. The DSP engine accelerates sin/cos, FFT, and FIR/IIR filtering directly on-chip.
Typical applications span three-phase AC induction and BLDC motor control, switched-mode power supply (SMFC) digital control loops, sensor-less field-oriented control (FOC), uninterruptible power supplies (UPS), automotive body electronics, industrial drives, and low-cost digital audio effects. The 20 MIPS throughput is sufficient for PI/DM control loops at PWM switching frequencies up to ~50 kHz.
When designing with this DSC, ensure VDD decoupling follows Microchip's recommended 4-layer PCB pattern with bulk capacitors within 5 mm of the power pins and a 0.1 uF ceramic bypass per supply pin. The 20 MIPS instruction budget requires that interrupt service routines (ISRs) remain short enough to fit within one PWM period. For motor-control, an external gate driver such as the MCP8024 is recommended because the dsPIC30F3011 cannot directly drive power MOSFETs from its GPIO pins.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that are not found in the manufacturer datasheet alone. Each cross-reference is verified against the dsPIC30F3010/3011 datasheet (Document 70141F) and current distributor stock as of 2026-09-20.
Bộ thay thế dễ dàng lắp đặt cho DSPIC30F3011T-20E/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC30F3011T-20E/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Mounting Type, Operating Temperature, Package, RoHS Status.
DSPIC30F3011-20E/PT
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DSPIC30F3011-20I/PT
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| Product Type | Digital Signal Controller (DSC) |
| Core Architecture | dsPIC30F 16-bit modified Harvard |
| Maximum CPU Speed | 20 MIPS (50 MHz internal clock) |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 1.5 KB (1K x 16 equivalent) |
| Data EEPROM | 1 KB (256 x 16) |
| Nhiệt độ hoạt động | -40C to +125C (Extended, 'E' grade) |
| Hộp | 44-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging Format | Tape & Reel ('T' suffix) |
| Trạng thái RoHS | Pb-free (compliant) |
Cấu hình chân DSPIC30F3011T-20E/PT
| Chân 1 | EMUD — MCLR/Vpp/EMUD - programming/emulation |
| Chân 2 | EMUC — EMUC - programming/emulation clock |
| Chân 3 | OSC1 — Crystal oscillator input |
| Chân 4 | OSC2 — Crystal oscillator output |
| Chân 5 | VSS — Ground reference |
| Chân 6 | VDD — Digital supply voltage (5V nominal) |
| Chân 7 | PWM1H — PWM output 1 high-side |
| Chân 8 | PWM1L — PWM output 1 low-side |
| Chân 9 | PWM2H — PWM output 2 high-side |
| Chân 10 | PWM2L — PWM output 2 low-side |
| Chân 11 | PWM3H — PWM output 3 high-side |
| Chân 12 | PWM3L — PWM output 3 low-side |
| Chân 13 | FLTA — PWM fault input A |
| Chân 14 | FLTB — PWM fault input B |
| Chân 15 | U1RX — UART1 receive |
| Chân 16 | U1TX — UART1 transmit |
| Chân 17 | SDA1 — I2C1 data |
| Chân 18 | SCL1 — I2C1 clock |
| Chân 19 | SDO1 — SPI1 data out |
| Chân 20 | SDI1 — SPI1 data in |
| Chân 21 | SCK1 — SPI1 clock |
| Chân 22 | SS1 — SPI1 slave select |
| Chân 23 | AN0 — Analog input 0 / ADC |
| Chân 24 | AN1 — Analog input 1 / ADC |
| Chân 25 | AN2 — Analog input 2 / ADC |
| Chân 26 | AN3 — Analog input 3 / ADC |
| Chân 27 | AN4 — Analog input 4 / ADC |
| Chân 28 | AN5 — Analog input 5 / ADC |
| Chân 29 | AN6 — Analog input 6 / ADC |
| Chân 30 | AN7 — Analog input 7 / ADC |
| Chân 31 | AN8 — Analog input 8 / ADC |
| Chân 32 | VREF+ — ADC voltage reference positive |
| Chân 33 | VREF- — ADC voltage reference negative |
| Chân 34 | AVDD — Analog supply voltage |
| Chân 35 | AVSS — Analog ground |
| Chân 36 | QEA — Quadrature encoder phase A |
| Chân 37 | QEB — Quadrature encoder phase B |
| Chân 38 | INDX — Quadrature encoder index |
| Chân 39 | T1CK — Timer1 external clock |
| Chân 40 | T2CK — Timer2 external clock |
| Chân 41 | IC1 — Input capture 1 |
| Chân 42 | IC2 — Input capture 2 |
| Chân 43 | OC1 — Output compare 1 |
| Chân 44 | VSS — Ground reference |
Ứng dụng tiêu biểu
DSPIC30F3011T-20E/PT phù hợp cho 6 Áp dụngs: Three-Phase BLDC and PMSM Motor Control, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) and Inverters, Automotive Body Electronics and Sensor Processing, Industrial Sensor Conditioning and PID Control, Low-Cost Digital Audio Effects and Synthesis.
Three-Phase BLDC and PMSM Motor Control
The DSPIC30F3011T-20E/PT is engineered for sensorless and sensored field-oriented control (FOC) of three-phase brushless DC and permanent-magnet synchronous motors. Its 20 MIPS throughput sustains FOC loops at PWM frequencies up to 50 kHz, while the integrated 6-channel 16-bit PWM module generates complementary center-aligned switching with programmable dead time. The on-chip quadrature encoder interface (QEI) decodes Hall or ABZ feedback in hardware, offloading the CPU. Microchip's AN1078 reference firmware demonstrates a complete sensorless FOC implementation on this family. Pair the device with the MCP8024 gate driver for a 1.2 A three-phase half-bridge capable of driving sub-100 W motors directly from the DSC's PWM outputs.
Được đề xuất
Switched-Mode Power Supply (SMPS) Digital Control
In digitally controlled SMPS, the DSPIC30F3011T-20E/PT executes voltage-mode and peak current-mode control loops in firmware with deterministic 50 ns instruction cycles. Its high-speed ADC combined with the DSP engine supports Power Factor Correction (PFC) and LLC resonant converter control at switching frequencies up to 500 kHz. The hardware PWM module generates leading-edge and trailing-edge modulation for synchronous rectification and phase-shifted full-bridge topologies. The extended -40C to +125C temperature grade supports industrial and automotive power-supply environments. Microchip AN1114 provides a digital PFC reference design validated on this family.
Được đề xuất
Uninterruptible Power Supply (UPS) and Inverters
Online UPS topologies and solar micro-inverters benefit from the DSPIC30F3011's combination of DSP throughput and MCU peripherals. The DSC executes sinusoidal PWM (SPWM) generation, MPPT (Maximum Power Point Tracking), and grid-synchronization phase-locked loops in real time. Its 24 KB Flash accommodates lookup tables for sine generation and full state-machine firmware for grid-tie compliance. The DSPIC30F3011T-20E/PT specifically targets sub-1 kVA single-phase systems where its 20 MIPS headroom is sufficient and its industrial price point is competitive. The 1 KB EEPROM stores non-volatile calibration and grid-tie parameters that survive power-cycle events.
Được đề xuất
Automotive Body Electronics and Sensor Processing
The extended -40C to +125C temperature grade qualifies the DSPIC30F3011T-20E/PT for automotive under-hood and cabin body-electronics modules. Typical loads include HVAC damper control, headlight leveling, electronic power steering (EPS) assist, and sensor-fusion preprocessing for IMU (Inertial Measurement Unit) data. The DSP engine filters accelerometer and gyroscope streams in real time, offloading the host ECU. The hardware CAN-ready peripheral (ECAN module is on the larger dsPIC30F4011; this part uses UART to external CAN transceivers like MCP2515) suits OBD-II diagnostics gateways. The 24 KB Flash accommodates AUTOSAR-friendly layered firmware with bootloader support.
Được đề xuất
Industrial Sensor Conditioning and PID Control
Factory automation loops rely on PID control executed at deterministic intervals; the DSPIC30F3011T-20E/PT offers single-cycle 16x16 MAC operations that accelerate error-term computation in proportional-integral-derivative algorithms. Its 16-bit ADC (with appropriate external front-end) digitizes 4-20 mA process signals, and the PWM outputs drive proportional valves or SCR triggers. The extended temperature grade supports cabinet-free installation near motors and pumps. The hardware timers support Profibus or RS-485 timing without CPU intervention. The on-chip EEPROM stores calibration constants that drift over the sensor's lifetime.
Được đề xuất
Low-Cost Digital Audio Effects and Synthesis
The DSP engine within the DSPIC30F3011T-20E/PT accelerates biquad and FIR filter coefficients at audio sample rates up to ~200 kHz, sufficient for consumer-grade guitar effects pedals, karaoke mixers, and toy synthesizers. The hardware multiply-accumulate (MAC) executes filter taps in single cycles, leaving CPU bandwidth for MIDI parsing and user-interface scanning. The 24 KB Flash stores preset banks, and the 1 KB EEPROM retains user-customized patches across power cycles. Combined with an external 16-bit DAC like the MCP4728, the device forms a complete digital-audio signal chain at sub-$10 BOM cost.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC30F3011T-20E/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | DSPIC30F3011-20E/PT | DSPIC30F3011-20I/PT | DSPIC30F3011-20E/P | DSPIC30F3010T-30I/ML |
|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin QFN (8x8 mm) - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| MIPS | 20 MIPS (50 MHz) | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Flash | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| RAM | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 2 KB |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Packaging Format | Tape & Reel | Tray | Tray | Tray | Tape & Reel |
| Lifecycle Status | Active | Active | Active | Active | Active |
Bảo phân biệt quan trọng
- Only TQFP-44 family member with extended -40C to +125C temperature grade on tape-and-reel (vsDSPIC30F3011-20I/PT)
- Production-ready tape-and-reel packaging versus tray-only alternatives (vsDSPIC30F3011-20E/P)
- Lower unit cost than the higher-MIPS 3010 variant in same TQFP package (vsDSPIC30F3010T-30I/ML)
Ghi chú thiết kế
The DSPIC30F3011T-20E/PT requires a stable 4.5V to 5.5V VDD supply for industrial-grade operation. Place a 10 uF bulk tantalum capacitor and a 0.1 uF ceramic bypass within 5 mm of the VDD/VSS pins on every package. The AVDD analog supply should be tied to VDD through a ferrite bead with its own 0.1 uF + 10 uF decoupling network. Failing to isolate analog and digital supplies will inject switching noise into the ADC reference and corrupt motor-current measurements.
Use a 4-layer PCB with a continuous ground plane beneath the DSC to provide low-impedance return paths for the high-di/dt PWM outputs. Route the PWM traces as short, wide, matched-length pairs to the gate driver inputs. Place the oscillator crystal within 5 mm of OSC1/OSC2 with a grounded guard ring; long traces here will inject jitter into the 50 MHz system clock and degrade PWM edge accuracy. Avoid routing digital signals across the analog AVSS/AVDD island.
Do not skip the MCLR pull-up resistor; a floating reset pin will randomly enter ICSP programming mode and freeze the application. The ICSP pins (PGD/PGC) are multiplexed with general I/O and must be left accessible for in-circuit debugging - do not populate them with load-only circuits that exceed 4.7 kohm to ground. The Peripheral Pin Select (PPS) feature remaps most digital peripherals, but pin directions and analog functions are fixed - consult the family datasheet pinout table before assigning PPS mappings.
The 44-pin TQFP package dissipates up to 1 W in continuous 20 MIPS operation with all peripherals active. While the 10x10 mm body provides reasonable heat spreading, solder the exposed thermal land (if present on the T variant) to a copper pour of at least 1 square inch on the top layer to keep the junction below 100C in enclosed enclosures. For continuous 85C ambient motor-drive applications, derate MIPS by 25% or step up to the ML/QFN package with its bottom thermal pad.
Thông tin tuân thủ
Pb-free (RoHS compliant) per Microchip product page and distributor listings. Extended -40C to +125C operating range is industrial-grade, not AEC-Q100 automotive-qualified - Microchip does not list this part in their automotive-grade catalog.