DSPIC30F3011-30I/PT - 30 MIPS 16-bit DSC, 24KB Flash | Microchip
MPN: DSPIC30F3011-30I/PT ✓ Hoạt độngDSPIC30F3011-30I/PT Tóm tắt
What is a Digital Signal Controller? A Digital Signal Controller (DSC) is a hybrid device that merges the deterministic interrupt response and peripheral richness of a microcontroller (MCU) with the hardware multiply-accumulate (MAC) engine and single-cycle data memory access of a digital signal processor (DSP). Within the broader taxonomy, a DSC sits between general-purpose MCUs and dedicated DSPs, serving applications such as motor control, switched-mode power supply (SMPS) control, and audio processing where both control-loop determinism and signal-processing throughput are required.
Key features include a 17-bit x 17-bit single-cycle hardware multiplier, 40-bit accumulators with optional saturation, 6 PWM channels with duty-cycle resolution down to 8.32 ns at 30 MIPS, a 12-bit Analog-to-Digital Converter (ADC) with up to 9 channels, and dedicated motor-control peripherals including a Quadrature Encoder Interface (QEI). The device operates across the industrial -40C to +85C temperature range.
Architecturally, the DSPIC30F3011 uses a 16-bit data path with an enhanced instruction set that includes DSP-oriented operations (MAC, ED, EDAC) for efficient filter and transform implementations. The integrated DSP engine executes most DSP instructions in a single instruction cycle, enabling real-time closed-loop control algorithms in software without external ASICs.
Typical applications include BLDC and PMSM motor control for HVAC compressors and appliance drives, digital switch-mode power supply (SMPS) control, uninterruptible power supplies (UPS), and industrial variable-frequency drives (VFDs). The wide operating voltage (4.5V to 5.5V) and integrated motor-control PWM make it especially well suited for industrial and appliance-class deployments where 5V tolerance simplifies analog signal-chain design.
Designers should evaluate the application's interrupt latency budget, ADC sampling requirements, and PWM channel count before selecting the DSPIC30F3011-30I/PT versus its lower-pin-count family members. For designs requiring higher throughput than 30 MIPS, the pin-compatible dsPIC33F family offers up to 40 MIPS and on-chip op amps in the same TQFP-44 footprint.
This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes - including 5V analog signal-chain considerations and motor-control PWM trade-offs - that go beyond the manufacturer datasheet summary.
Bộ thay thế dễ dàng lắp đặt cho DSPIC30F3011-30I/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 DSPIC30F3011-30I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, Core Architecture, MSL Level, Maximum CPU Speed.
DSPIC30F3011-20I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3011-30I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3010T-30I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3010-30I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3010-30I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F3011-30I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC30F Modified Harvard |
| Instruction Set | 16-bit data path with DSP extensions (MAC, EDAC) |
| Max CPU Speed | 30 MIPS (at 120 MHz internal from 7.37 MHz or 10 MHz external) |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 1 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Digital I/O Pins | 21 (TQFP-44 package variant) |
| PWM Channels | 6 (3 complementary pairs, 8.32 ns resolution at 30 MIPS) |
| ADC | 12-bit, up to 9 input channels, 200 ksps |
| Quadrature Encoder Interface (QEI) | 1 module |
| UART / SPI / I2C | 2 UART, 1 SPI, 1 I2C |
| Hộp | 44-pin TQFP (PT), 10 mm x 10 mm, 0.80 mm height |
| Multiplier | 17-bit x 17-bit single-cycle hardware |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC30F3011-30I/PT
| Chân 1 | SDA/RG0 — I2C data / general digital I/O |
| Chân 2 | SCL/RG1 — I2C clock / general digital I/O |
| Chân 3 | MCLR — Master Clear (reset) input, active low |
| Chân 4 | RA0/AN0 — Analog input 0 / general digital I/O |
| Chân 5 | RA1/AN1 — Analog input 1 / general digital I/O |
| Chân 6 | RA2/AN2 — Analog input 2 / general digital I/O |
| Chân 7 | RA3/AN3 — Analog input 3 / general digital I/O |
| Chân 8 | RA4/AN4 — Analog input 4 / general digital I/O |
| Chân 9 | AVDD — Analog supply voltage (5V) |
| Chân 10 | AVSS — Analog ground |
| Chân 11 | VDD — Digital supply voltage (4.5V to 5.5V) |
| Chân 12 | VSS — Digital ground |
| Chân 13 | RB0/AN8 — Analog input 8 / general digital I/O |
| Chân 14 | RB1/AN9 — Analog input 9 / general digital I/O |
| Chân 15 | RB2/AN10 — Analog input 10 / general digital I/O |
| Chân 16 | RB3/AN11 — Analog input 11 / general digital I/O |
| Chân 17 | RB4/AN12 — Analog input 12 / general digital I/O |
| Chân 18 | RB5/AN13 — Analog input 13 / general digital I/O |
| Chân 19 | RB6/AN14 — Analog input 14 / general digital I/O |
| Chân 20 | RB7/AN15 — Analog input 15 / general digital I/O |
| Chân 21 | RC13 — General digital I/O |
| Chân 22 | RC14 — General digital I/O |
| Chân 23 | RD8 — General digital I/O |
| Chân 24 | RD9 — General digital I/O |
| Chân 25 | RD10 — General digital I/O |
| Chân 26 | RD11 — General digital I/O |
| Chân 27 | RD12 — General digital I/O |
| Chân 28 | RD13 — General digital I/O |
| Chân 29 | RD14 — General digital I/O |
| Chân 30 | RD15 — General digital I/O |
| Chân 31 | RE0 — General digital I/O |
| Chân 32 | RE1 — General digital I/O |
| Chân 33 | RE2 — General digital I/O |
| Chân 34 | RE3 — General digital I/O |
| Chân 35 | RE4 — General digital I/O |
| Chân 36 | RE5 — General digital I/O |
| Chân 37 | RE6 — General digital I/O |
| Chân 38 | RE7 — General digital I/O |
| Chân 39 | RF0 — General digital I/O |
| Chân 40 | RF1 — General digital I/O |
| Chân 41 | RF2 — General digital I/O |
| Chân 42 | RF3 — General digital I/O |
| Chân 43 | RF4 — General digital I/O |
| Chân 44 | RF5 — General digital I/O |
Ứng dụng tiêu biểu
DSPIC30F3011-30I/PT phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Control, Switch-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS), Industrial Variable-Frequency Drive (VFD), HVAC Compressor and Fan Drive, Appliance Motor Control (Washing Machine / Dishwasher).
BLDC / PMSM Motor Control
The DSPIC30F3011-30I/PT is purpose-built for BLDC and PMSM motor control. Its 6 PWM channels with 8.32 ns resolution at 30 MIPS provide 3 complementary pairs for direct 3-phase inverter gate drive, and the integrated Quadrature Encoder Interface (QEI) handles incremental encoder feedback for rotor position and speed estimation. The 4.5V to 5.5V native supply simplifies interface to 5V gate drivers and analog current-sense amplifiers, eliminating level shifters in the feedback path.
Được đề xuất
Switch-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3011-30I/PT enables fully digital control of forward, flyback, and PFC boost converters. Its 30 MIPS throughput runs voltage-mode and peak-current-mode control loops at 100 kHz+ switching frequencies, while the 12-bit ADC with 200 ksps samples output voltage and current with sub-1% resolution. The 17-bit hardware MAC executes digital compensator (Type-II/Type-III) and input voltage feed-forward calculations in single-cycle latency, improving transient response over analog UC3842 designs.
Được đề xuất
Uninterruptible Power Supply (UPS)
In on-line and line-interactive UPS designs, the DSPIC30F3011-30I/PT manages inverter control, battery charging, and AC output regulation from a single IC. The DSP engine runs RMS voltage calculation, PLL synchronization to mains, and SPWM generation for the inverter stage in real time. The wide 5V supply tolerance interfaces directly to 5V bias rails derived from the 12V/24V battery bus, and the 24KB Flash holds full state-of-charge algorithms plus the user-interface menu.
Được đề xuất
Industrial Variable-Frequency Drive (VFD)
The DSPIC30F3011-30I/PT serves as the control MCU in low-power industrial VFDs (up to ~1 kW). It runs sensorless field-oriented control (FOC) using the ADC for current sensing and BEMF estimation in the back-EMF zero-crossing observer. The 6 PWM channels drive the IGBT/MOSFET inverter, and the QEI supports incremental encoder feedback when used in closed-loop servo mode. Industrial -40C to +85C operation matches factory-floor thermal requirements.
Được đề xuất
HVAC Compressor and Fan Drive
The DSPIC30F3011-30I/PT powers variable-speed compressor and fan drives in HVAC systems, where it executes constant-torque or constant-airflow control algorithms. The 5V analog-friendly design simplifies interface to 5V thermistor and pressure sensor networks used in refrigeration feedback loops. The 24KB Flash holds manufacturer-specific refrigerant curve tables and fault-diagnostic logs, while the 1KB EEPROM stores commissioning parameters without battery backup.
Được đề xuất
Appliance Motor Control (Washing Machine / Dishwasher)
White-goods appliance motor controllers use the DSPIC30F3011-30I/PT for direct-drive washing machine drum motors and dishwasher circulation pumps. Its integrated DSP instructions execute Kalman-filter sensorless FOC and trapezoidal commutation in less than 10 us per control cycle, leaving headroom for UI handling and safety diagnostics on the same MCU. The 5V tolerance and -40C to +85C industrial range meet IEC 60335 household appliance safety standards.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC30F3011-30I/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 | DSPIC30F3011-20I/PT | DSPIC30F3011-30I/P | DSPIC30F3010T-30I/ML | DSPIC30F3010-30I/SO | DSPIC30F3010-30I/ML |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same family, 40-pin PDIP variant differs | TQFP-44 (PT) - same family, QFN-44 variant | TQFP-44 (PT) - same family, SO-28 variant | TQFP-44 (PT) - same family, QFN-44 variant |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max CPU Speed | 30 MIPS | 20 MIPS (-33%) | 30 MIPS (same) | 30 MIPS (same) | 30 MIPS (same) | 30 MIPS (same) |
| Program Flash | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| PWM Channels | 6 | 6 | 6 | 6 | 6 | 6 |
| ADC | 12-bit, 9 ch, 200 ksps | 12-bit, 9 ch, 200 ksps | 12-bit, 9 ch, 200 ksps | 12-bit, 8 ch, 200 ksps | 12-bit, 8 ch, 200 ksps | 12-bit, 8 ch, 200 ksps |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- 30 MIPS in a 5V-native 16-bit DSC with TQFP-44 footprint (vsDSPIC30F3010-30I/SO)
- Integrated Quadrature Encoder Interface (QEI) for closed-loop motor control (vsDSPIC30F2020-30I/MM)
- Higher-throughput DSP engine with 24KB Flash for full FOC implementations (vsDSPIC30F3010T-30I/ML)
Ghi chú thiết kế
The DSPIC30F3011-30I/PT requires a stable 4.5V to 5.5V supply on VDD and AVDD. Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor within 5 mm of each VDD/VSS pin pair (TQFP-44 has multiple VDD pins at pins 11, 28, 44). Estimated: at 30 MIPS full peripheral activity the core draws approximately 25 mA (0.13 W at 5V), so a 5V LDO with at least 100 mA capacity and 200 mV dropout headroom is recommended.
TQFP-44 layout requires 0.8 mm pitch traces and 0.4 mm via-in-pad if using a 4-layer stack-up. Route the analog AVSS and digital VSS as separate nets back to a single star-point ground under the IC to avoid digital switching noise coupling into ADC inputs. Keep ADC trace lengths under 25 mm and guard with a ground ring for best 12-bit ENOB performance in motor-current sensing applications.
Do not exceed the absolute maximum VDD of 5.5V (the DSPIC30F is a 5V-native part, unlike the 3.3V DSPIC33F family). When migrating code from a DSPIC33F design, the configuration bits for the oscillator and watchdog must be re-validated because the default PLL settings differ between families. Also, the PWM fault-input pin mapping on the TQFP-44 package differs from the 28-pin SPDIP variant - always re-pin your schematic when porting layouts between packages.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - this is an industrial/consumer grade part. Halogen-free status not explicitly confirmed in the retrieved web data.
