DSPIC30F4011T-20I/ML - 16-bit DSC, 20 MIPS, 48KB Flash | Microchip
MPN: DSPIC30F4011T-20I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.2 | $9.20 |
| 10 | $8.3 | $83.00 |
| 100 | $7.45 | $745.00 |
| 500 | $6.7 | $3,350.00 |
| 1,000 | $5.95 | $5,950.00 |
DSPIC30F4011T-20I/ML Overview
What is a DSC? A Digital Signal Controller is a hybrid MCU/DSP that combines a microcontroller's deterministic control peripherals with a DSP engine capable of single-cycle MAC operations. In the system hierarchy, a DSC sits between an MCU (control-oriented) and a full DSP (compute-oriented); it is widely used in motor-control and digital-power loops where both tight control and signal-processing math are required in one device.
Key features of this part include a high-performance dsPIC30 CPU core with hardware multiply-accumulate, dual 10-bit ADC modules, a 6-channel 16-bit PWM module (with complementary or independent outputs and dead-time control), a quadrature encoder interface (QEI), CAN, I2C, SPI, and UART peripherals. The 44-pin QFN exposed-pad package delivers a compact 8 mm x 8 mm footprint with a low thermal-resistance path to PCB copper.
Architecturally, the dsPIC30F4011 uses a modified Harvard architecture with separate program and data paths, a 24-bit instruction word, and a 16-bit data path with two 40-bit accumulators for DSP operations. The integrated motor-control PWM supports edge-aligned, center-aligned, and variable-phase modes required for 3-phase inverter switching.
Typical applications include 3-phase BLDC/PMSM motor drives, sensorless field-oriented control (FOC), digital PFC power-factor-correction loops, UPS inverters, and industrial automation sensor conditioning. The integrated CAN bus and QEI simplify sensor-rich industrial nodes.
Design consideration: place a 10 uF bulk capacitor and a 0.1 uF decoupling capacitor close to the VDD/VSS pairs, and solder the exposed pad (EP) to a continuous copper pour to maintain junction temperature within the -40C to +85C industrial range at full MIPS.
This page synthesizes distributor stock, drop-in alternatives within the dsPIC30F family, and practical PCB design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC30F4011T-20I/ML — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC30F4011T-20I/ML (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Timers, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4011-20I/ML
✅ Drop-In✓ In Stock
$4.15 / Unit
View Datasheet →DSPIC30F4011T-20E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-30I/ML
✅ Drop-In✓ In Stock
$5.2 / Unit
View Datasheet →DSPIC30F4011T-20I/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC30F, 16-bit DSC |
| CPU Speed | 20 MIPS |
| Clock Speed | 40 MHz max |
| Program Memory (Flash) | 48 KB (16K x 24) |
| RAM | 2 KB |
| Supply Voltage (VDD) | 3 V to 5.5 V (operating); 2.5 V/3.3 V/5 V family |
| I/O Pins | 20 |
| Package | 44-pin QFN (ML), 8 x 8 mm, with exposed pad |
| Operating Temperature | -40C to +85C (industrial, 'I' suffix) |
| ADC | Dual 10-bit, multi-channel |
| PWM | Motor-control PWM, 6 channels, 16-bit |
| Communication | CAN, I2C, SPI, UART/USART |
| Quadrature Encoder Interface | Yes (QEI) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T/R) |
DSPIC30F4011T-20I/ML Pin Configuration
| Pin 1 | SDA/RF4 — I2C data / GPIO |
| Pin 2 | SCL/RF3 — I2C clock / GPIO |
| Pin 3 | RF2/CN20 — GPIO / change notification |
| Pin 4 | RF1/CN21 — GPIO / change notification |
| Pin 5 | RF0/CN22 — GPIO / change notification |
| Pin 6 | VDD — Digital supply voltage |
| Pin 7 | VSS — Digital ground |
| Pin 8 | OSC1/CLKI — Crystal oscillator input / external clock |
| Pin 9 | OSC2/CLKO — Crystal oscillator output |
| Pin 10 | MCLR — Master clear reset (active-low) |
| Pin 11 | RE0/INT0 — GPIO / external interrupt 0 |
| Pin 12 | RE1/INT1 — GPIO / external interrupt 1 |
| Pin 13 | RE2/INT2 — GPIO / external interrupt 2 |
| Pin 14 | RE3/CN1 — GPIO / change notification |
| Pin 15 | RE4/CN2 — GPIO / change notification |
| Pin 16 | RE5/CN3 — GPIO / change notification |
| Pin 17 | AVDD — Analog supply voltage |
| Pin 18 | AVSS — Analog ground |
| Pin 19 | AN0/RA0 — Analog input 0 / GPIO |
| Pin 20 | AN1/RA1 — Analog input 1 / GPIO |
| Pin 21 | AN2/RA2 — Analog input 2 / GPIO |
| Pin 22 | AN3/RA3 — Analog input 3 / GPIO |
| Pin 23 | AN4/RA4 — Analog input 4 / GPIO |
| Pin 24 | AN5/RA5 — Analog input 5 / GPIO |
| Pin 25 | VDD — Digital supply voltage |
| Pin 26 | VSS — Digital ground |
| Pin 27 | RB0/AN8 — GPIO / analog input 8 |
| Pin 28 | RB1/AN9 — GPIO / analog input 9 |
| Pin 29 | RB2/AN10/C1IN+ — GPIO / analog input 10 / comparator input |
| Pin 30 | RB3/AN11/C1IN- — GPIO / analog input 11 / comparator input |
| Pin 31 | RB4/AN12/C2IN+ — GPIO / analog input 12 / comparator input |
| Pin 32 | RB5/AN13/C2IN- — GPIO / analog input 13 / comparator input |
| Pin 33 | RB6/PGEC1 — GPIO / ICSP clock |
| Pin 34 | RB7/PGED1 — GPIO / ICSP data |
| Pin 35 | RC13/SDO1 — GPIO / SPI data out |
| Pin 36 | RC14/SDI1 — GPIO / SPI data in |
| Pin 37 | OSC1/RC15 — Secondary oscillator / GPIO |
| Pin 38 | RC1/T2CK — GPIO / Timer2 clock |
| Pin 39 | RC2/PWM1H — PWM1 high output |
| Pin 40 | RC3/PWM1L — PWM1 low output (complementary) |
| Pin 41 | RC4/PWM2H — PWM2 high output |
| Pin 42 | RD0/PWM2L — PWM2 low output / GPIO |
| Pin 43 | RD1/PWM3H — PWM3 high output / GPIO |
| Pin 44 | RD2/PWM3L — PWM3 low output / GPIO |
Typical Applications
DSPIC30F4011T-20I/ML is suitable for 6 applications: 3-Phase BLDC/PMSM Motor Drive, Digital Power Factor Correction (PFC), Uninterruptible Power Supply (UPS) Inverter, Industrial Sensor Conditioning & CAN Node, Solar Micro-Inverter, Automotive Body Electronics Module.
3-Phase BLDC/PMSM Motor Drive
The DSPIC30F4011T-20I/ML is purpose-built for 3-phase BLDC and PMSM motor control, where its integrated 6-channel 16-bit motor-control PWM with complementary outputs and dead-time control eliminates the need for an external PWM controller. At 20 MIPS, the dsPIC30F core executes field-oriented control (FOC) algorithms within a single PWM cycle (typically 50 us at 20 kHz switching frequency), allowing simultaneous current loop, speed loop, and space-vector modulation. The 48 KB Flash holds the complete sensorless FOC state machine including Clarke/Park transforms, an SMO observer, and PI controllers.
Recommended
Digital Power Factor Correction (PFC)
In boost-PFC front-end converters, the DSPIC30F4011T-20I/ML's 20 MIPS throughput and 10-bit ADC with 200 ksps aggregate throughput enable average-current-mode control at typical 65 kHz switching frequencies. The DSC's single-cycle MAC accelerates the multiply-intensive input-current shaping loop, and the PWM's fault-input allows nanosecond over-current protection without CPU intervention. With 48 KB Flash, designers implement soft-start, input-voltage feedforward, and THD-optimized modulation within a single chip.
Recommended
Uninterruptible Power Supply (UPS) Inverter
For on-line UPS systems, the DSPIC30F4011T-20I/ML generates the SPWM or SVPWM waveforms driving the DC-AC inverter stage while simultaneously running the sinusoidal reference generator and output-voltage regulation loop. The QEI input can be used to read back output frequency for closed-loop regulation, and the CAN peripheral enables paralleling multiple UPS modules. Industrial-grade -40C to +85C operation supports installation in non-climate-controlled electrical rooms.
Recommended
Industrial Sensor Conditioning & CAN Node
The DSPIC30F4011T-20I/ML's combination of dual 10-bit ADC inputs, integrated CAN 2.0B controller, and 20 MIPS processing makes it a complete industrial sensor node - digitizing analog sensor signals, applying digital filtering or linearization in software, and broadcasting the result over CAN. With 48 KB Flash, the part can hold application-specific calibration tables and proprietary sensor compensation algorithms.
Recommended
Solar Micro-Inverter
Grid-tied solar micro-inverters operating below 600 W use the DSPIC30F4011T-20I/ML to execute MPPT, anti-islanding detection, and grid-synchronization control loops. The 20 MIPS budget supports perturb-and-observe or incremental-conductance MPPT at 10 Hz update rates while the inverter runs at 20-50 kHz PWM. The integrated CAN or UART enables module-level monitoring and remote firmware updates.
Recommended
Automotive Body Electronics Module
While not AEC-Q100 qualified, the DSPIC30F4011T-20I/ML's industrial -40C to +85C range suits non-safety automotive body applications such as seat controllers, mirror actuators, or HVAC damper control. The 20-channel 10-bit ADC reads multiple position sensors, and the 6-channel PWM drives brushed DC or small BLDC actuators. For under-hood or safety-critical automotive use, migrate to a dsPIC33F AEC-Q100 device.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011T-20I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4011-20I/ML | DSPIC30F4011T-20E/ML | DSPIC30F4011T-30I/ML | DSPIC30F4011T-20I/PT |
|---|---|---|---|---|---|
| Package | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin TQFP (PT) 10x10 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed (MIPS) | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS (+50%) | 20 MIPS |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| CAN Bus | Yes | Yes | Yes | Yes | Yes |
| PWM Channels | 6 (motor-control PWM) | 6 | 6 | 6 | 6 |
Key Differentiators
- Integrated CAN bus plus 6-channel motor-control PWM (vs DSPIC30F4011-20I/PT)
- 20 MIPS performance grade (vs DSPIC30F4011T-30I/ML)
- Industrial -40C to +85C operating range (vs DSPIC30F4011T-20E/ML)
Design Notes
Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor within 3 mm of each VDD/VSS pin pair. For the QFN exposed pad, solder to a continuous copper pour with at least 8 thermal vias (0.3 mm diameter) to the internal ground plane. This minimizes ground bounce during high-speed PWM switching transitions that can corrupt ADC readings on the same die.
Route the ADC analog inputs (AN0-AN13) away from the PWM output traces and digital switching signals. Use a ground-plane guard ring around sensitive analog input pins and consider a separate AVSS trace back to the regulator ground. Place the AVdd decoupling capacitor (10 uF + 0.1 uF) within 5 mm of the AVdd pin to suppress noise coupling into the ADC reference.
Estimated: at full 20 MIPS operation with all peripherals active and PWM switching at 20 kHz, the DSPIC30F4011T-20I/ML dissipates approximately 0.5 W in the QFN package. Without the exposed pad soldered to copper, theta_JA rises above 60 C/W; with proper exposed-pad soldering to 1 square inch of 2 oz copper, theta_JA drops to approximately 25 C/W, keeping junction rise below 12 C above ambient at 0.5 W.
The dsPIC30F4011 requires configuration bits to be programmed for oscillator selection (FOSC), watchdog timer (FWDT), and code protection (FGS); unprogrammed configuration bits default to internal FRC with watchdog enabled, which can prevent external oscillator operation on first power-up. Always set the JTAG/debug disable bit (ICS) only after final code is locked, otherwise ICSP debugging will be permanently disabled.
Compliance Information
RoHS and REACH compliance per Microchip product environmental compliance documentation. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, use the dsPIC33F AEC-Q100 family.
