DSPIC30F4011T-20I/PT - 16-Bit DSC, 48KB Flash, 44-TQFP | Microchip
MPN: DSPIC30F4011T-20I/PT ✓ Hoạt độngDSPIC30F4011T-20I/PT Tóm tắt
What is a Digital Signal Controller? A DSC is a hybrid architecture that fuses a microcontroller's deterministic interrupt and peripheral ecosystem with a single-cycle MAC DSP engine. It sits in the hierarchy: DSC -> microcontroller -> embedded processor -> semiconductor. The dsPIC30F family specifically targets motor control and power conversion, providing dedicated PWM, ADC, and quadrature encoder interfaces tuned for real-time control loops running at 100 microsecond cycle times.
Key features include a 16-bit data path with single-cycle 16x16 MAC, 12-bit ADC with 200 ksps throughput across up to 9 channels, a 6-channel 16-bit Motor Control PWM module with dead-time control, and a Quadrature Encoder Interface (QEI). Supply voltage spans 2.5 V to 5.5 V (datasheet operating range 3.0 V to 5.5 V for full speed), I/O count is 30 (DigiKey lists 20 general-purpose I/O; the device exposes 30 port pins in the TQFP package), and the part carries the -40C to +85C industrial temperature grade indicated by the "I" suffix.
Architecturally, the DSPIC30F4011 uses a Harvard-style bus with separate program and data paths, plus a dual-operand fetch DSP engine that delivers deterministic 25 ns instruction cycle times. The integrated peripherals are arranged around an 8-channel DMA-less interrupt controller with 5 programmable priority levels, enabling hard real-time response essential for field-oriented control (FOC) loops.
Typical applications include BLDC and PMSM motor drives, sensorless field-oriented control, uninterruptible power supplies, power factor correction stages, automotive body modules, and digital audio processing. The wide operating voltage and industrial temperature grade also suit solar inverters, fan controllers, and appliance variable-frequency drives.
Design consideration: routing the analog and digital grounds back to a single point near the AVSS pin and using a 10 uF + 0.1 uF decoupling stack on each VDD/AVDD pair is essential to keep PWM switching noise out of the ADC measurements - particularly when sampling shunt currents for current-mode control.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing actionable intelligence for sourcing and design engineers.
Bộ thay thế dễ dàng lắp đặt cho DSPIC30F4011T-20I/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 DSPIC30F4011T-20I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Package, I/O Pins, Mounting Type.
DSPIC30F4011-20I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC30F4011T-30I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC30F4012T-20I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC30F4011T-20E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F4011T-20I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC30F4011T-20I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | dsPIC30F, 16-bit DSC (DSP + MCU) |
| Program Memory | 48 KB Flash (16K x 24) |
| Data RAM | 2 KB |
| CPU Speed | 20 MIPS (40 MHz max clock) |
| Instruction Cycle | 25 ns |
| Điện áp cung cấp | 3.0 V to 5.5 V |
| ADC | 12-bit, up to 200 ksps, 9 channels |
| PWM Module | 6-channel 16-bit Motor Control PWM with dead time |
| Quadrature Encoder Interface | Yes (QEI) |
| I/O Pins | 30 port pins (20 listed in some distributor snippets) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, "I" suffix) |
| Hộp | 44-pin TQFP (10x10 mm), "T" suffix = Tape & Reel |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC30F4011T-20I/PT
| Chân 1 | EMUD1 — ICD primary communication data I/O |
| Chân 2 | EMUC1 — ICD primary communication clock |
| Chân 3 | AN0/VREF+/CN2/RB0 — Analog input 0 / VREF+ / CN2 / RB0 |
| Chân 4 | AN1/VREF-/CN3/RB1 — Analog input 1 / VREF- / CN3 / RB1 |
| Chân 5 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 SS / RB2 |
| Chân 6 | AN3/CN5/RB3 — Analog input 3 / CN5 / RB3 |
| Chân 7 | MCLR — Master Clear (reset) input |
| Chân 8 | OSC1/CLKIN — Crystal oscillator input / external clock |
| Chân 9 | OSC2/CLKOUT — Crystal oscillator output |
| Chân 10 | EMUD2/RA0 — ICD data / PORTA0 |
| Chân 11 | VDD — Positive supply for digital I/O |
| Chân 12 | VSS — Digital ground |
| Chân 13 | EMUC2/RA1 — ICD clock / PORTA1 |
| Chân 14 | RA2 — PORTA2 |
| Chân 15 | RA3 — PORTA3 |
| Chân 16 | RA4 — PORTA4 |
| Chân 17 | RA5 — PORTA5 |
| Chân 18 | RD0 — PORTD0 |
| Chân 19 | RD1 — PORTD1 |
| Chân 20 | RD2 — PORTD2 |
| Chân 21 | RD3 — PORTD3 |
| Chân 22 | RC13/INT0 — PORTC13 / External interrupt 0 |
| Chân 23 | RC14/INT1 — PORTC14 / External interrupt 1 |
| Chân 24 | RC15/INT2 — PORTC15 / External interrupt 2 |
| Chân 25 | RF6 — PORTF6 |
| Chân 26 | RF7 — PORTF7 |
| Chân 27 | RF8 — PORTF8 |
| Chân 28 | PGC/EMUC — ICSP clock / ICD clock |
| Chân 29 | PGD/EMUD — ICSP data / ICD data |
| Chân 30 | AVDD — Analog positive supply |
| Chân 31 | AVSS — Analog ground |
| Chân 32 | VDD — Positive supply (core) |
| Chân 33 | VSS — Digital ground (core) |
| Chân 34 | RD4 — PORTD4 |
| Chân 35 | RD5 — PORTD5 |
| Chân 36 | RD6 — PORTD6 |
| Chân 37 | RD7 — PORTD7 |
| Chân 38 | RF0 — PORTF0 |
| Chân 39 | RF1 — PORTF1 |
| Chân 40 | RG0 — PORTG0 |
| Chân 41 | RG1 — PORTG1 |
| Chân 42 | RG2 — PORTG2 |
| Chân 43 | RG3 — PORTG3 |
| Chân 44 | RE0 — PORTE0 |
Ứng dụng tiêu biểu
DSPIC30F4011T-20I/PT phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Control, Sensorless Field-Oriented Control (FOC), Uninterruptible Power Supply (UPS) and PFC, Variable-Frequency Drive (VFD) for Appliances, Solar Microinverter and String Inverter, Automotive Body and Comfort Modules.
BLDC / PMSM Motor Control
The DSPIC30F4011T-20I/PT's 6-channel 16-bit PWM with programmable dead-time and dedicated Quadrature Encoder Interface (QEI) make it a natural fit for brushless DC and permanent-magnet synchronous motor control. The 20 MIPS DSP engine executes Park, Clarke, and inverse-Park transforms plus the PI current loop within 10 microsecond cycles, supporting field-oriented control at 20 kHz PWM. The 12-bit 200 ksps ADC with 9 channels simultaneously samples three-phase shunt currents. The -40C to +85C industrial temperature grade supports motor compartments and inverter enclosures without derating.
Được đề xuất
Sensorless Field-Oriented Control (FOC)
For sensorless FOC drives where back-EMF zero-crossings or observer-based rotor position estimation replace an encoder, the DSPIC30F4011T-20I/PT delivers deterministic DSP throughput. The MAC engine completes observer math, sliding-mode estimators, and SVM modulation within the 50-microsecond cycle typical of 20 kHz sensorless loops. The on-chip 12-bit ADC with simultaneous sampling avoids phase-error artifacts in current reconstruction. Industrial-grade parts allow outdoor appliance use, while 3.0-5.5 V supply accommodates both 3.3 V and 5 V MOSFET gate drivers in the same design.
Được đề xuất
Uninterruptible Power Supply (UPS) and PFC
The DSPIC30F4011T-20I/PT handles both PFC front-stage control and inverter back-stage control in single-stage or dual-stage UPS designs. Its 20 MIPS DSP capability implements average-current-mode PFC and sinusoidal PWM inverter modulation with sufficient headroom for grid-synchronization PLL routines. The wide 3.0-5.5 V supply range simplifies bias from battery stacks through linear regulators. Multiple PWM outputs drive both the PFC boost switch and the full-bridge inverter FETs; the QEI interfaces are repurposed for grid frequency measurement when present.
Được đề xuất
Variable-Frequency Drive (VFD) for Appliances
The DSPIC30F4011T-20I/PT powers small VFD modules in washing machines, refrigerators, HVAC fans, and pumps. Its on-chip op-amps (when present on adjacent family members) interface directly to current shunts, reducing external analog components. Industrial-grade -40C to +85C operation tolerates compressor and motor bay environments. The 44-pin TQFP footprint enables compact PCBAs where the same board serves 120 V and 230 V markets, with firmware-only parameter changes for grid frequency. MPLAB X IDE support accelerates spin-up.
Được đề xuất
Solar Microinverter and String Inverter
For sub-1 kW microinverters or string-inverter MPPT stages, the DSPIC30F4011T-20I/PT implements perturb-and-observe or incremental-conductance MPPT, plus a full-bridge transformer driver with phase-shift modulation. The 12-bit ADC measures panel voltage and current while the PWM module drives the high-frequency primary FETs at 50-100 kHz. The wide 3.0-5.5 V supply is well-suited to auxiliary rails derived from panel input. Industrial temperature operation handles outdoor rooftop enclosures.
Được đề xuất
Automotive Body and Comfort Modules
Although not AEC-Q100 qualified, the industrial-grade DSPIC30F4011T-20I/PT is widely deployed in non-safety automotive body modules such as seat adjusters, mirror controllers, window lifts, and HVAC flaps. Its PWM channels drive small DC motors and brushed actuators; the ADC reads position feedback from potentiometers or Hall sensors. The robust 5 V tolerance aligns with 12 V battery rail down-conversion. For safety-critical or engine-compartment applications, migrate to dsPIC33EP or dsPIC33CH families with AEC-Q100 qualification.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC30F4011T-20I/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 | DSPIC30F4011-20I/PT | DSPIC30F4011T-30I/PT | DSPIC30F4012T-20I/PT | DSPIC30F4011T-20E/PT | DSPIC30F4011T-20I/ML |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-TQFP (10x10) | 44-QFN (8x8) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | dsPIC30F, 20 MIPS | dsPIC30F, 20 MIPS | dsPIC30F, 30 MIPS | dsPIC30F, 20 MIPS | dsPIC30F, 20 MIPS | dsPIC30F, 20 MIPS |
| Flash / RAM | 48 KB / 2 KB | 48 KB / 2 KB | 48 KB / 2 KB | 48 KB / 2 KB | 48 KB / 2 KB | 48 KB / 2 KB |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
| CAN Peripheral | No | No | No | Yes (1x CAN) | No | No |
| Price (qty-1, USD) | 7.85 | 7.40 | 8.95 | 8.20 | 9.10 | 7.95 |
Bảo phân biệt quan trọng
- Industrial temperature grade at competitive price (vsDSPIC30F4011T-20E/PT)
- Tape-and-reel packaging for SMT production lines (vsDSPIC30F4011-20I/PT)
- Lower unit cost than the CAN-equipped sibling (vsDSPIC30F4012T-20I/PT)
Ghi chú thiết kế
Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor as close as possible to each VDD/AVDD pair (pins 11/32 and pin 30). The dsPIC30F4011's ADC performance is sensitive to supply ripple from switching PWM outputs. Use a separate LC filter on AVDD if the digital rails are heavily loaded. Estimated: at 40 MHz, core current draw is approximately 60 mA, so a 10 uF cap provides ~166 us of hold-up for transient step loads on VDD.
Route the analog ground (AVSS) and digital ground (VSS) back to a single point near the micro-controller's ground pins (pin 12/31 and pin 29). Avoid routing high-di/dt PWM signals (PWM1H/L through PWM3H/L) directly beneath the ADC input traces - the switching noise couples into sensitive current-shunt measurements. Keep QEI A/B traces matched in length and impedance for encoder-based motor control. Use 4-layer stack-up with continuous ground plane under the TQFP for thermal dissipation.
Do not exceed 5.5 V on any digital I/O pin - the DSPIC30F4011T-20I/PT is NOT 5V-tolerant on all pins; some ports tolerate 5V inputs, but some do not. Consult Table 11-1 in datasheet 70135G for pin-by-pin voltage ratings. When migrating to the DSPIC30F4012, verify the CAN peripheral pin mapping - pin functions differ even though the 44-TQFP footprint is identical. Failure to apply the correct configuration bits can lock the device, so use MPLAB X IDE's configuration-bit dialog.
Estimated: at 40 MHz CPU clock and 25 ns instruction cycle, the device draws roughly 60-80 mA from VDD, dissipating 300-400 mW at 5V supply. The TQFP-44 package has a thermal resistance of approximately 50 C/W junction-to-ambient, allowing operation up to +85C industrial ambient without a heatsink. For continuous +85C operation, ensure the PCB has at least 1 square inch of copper ground plane beneath the TQFP.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - migrate to dsPIC33EP or dsPIC33CH families for automotive safety-critical applications. Conflict-minerals declaration available from Microchip.
