DSPIC30F3011T-20E/ML - 20 MIPS 16-bit DSC, 24KB Flash | Microchip
MPN: DSPIC30F3011T-20E/ML β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.48 | $64.80 |
| 100 | $5.76 | $576.00 |
| 500 | $5.18 | $2,590.00 |
| 1,000 | $4.61 | $4,610.00 |
DSPIC30F3011T-20E/ML Overview
A Digital Signal Controller is a hybrid class of microcontroller that merges a high-performance DSP engine with a general-purpose MCU, enabling on-chip execution of multiply-accumulate (MAC) operations, finite impulse response (FIR) filtering, and proportional-integral-derivative (PID) control loops in a single deterministic core. Within the broader taxonomy, the dsPIC30F3011 sits between the 8-bit PIC16/PIC18 families and the 32-bit PIC32MX/dsPIC33F families, optimized for cost-sensitive real-time control where DSP throughput is needed but 32-bit performance is not required.
Key features include 6 channel-pair PWM modules designed for 3-phase motor and power-converter control, a 10-bit ADC with multiple input channels and dedicated motor-control trigger paths, dual analog comparators with programmable reference, a 16-bit timer/capture, 6 PWM outputs, plus I2C, SPI, and UART/USART interfaces for sensor and bus connectivity. The -40C to +125C industrial operating range and 5V supply tolerance support harsh-environment deployment. Built-in peripherals such as QEI (Quadrature Encoder Interface) further simplify field-oriented control of brushless DC and AC induction motors.
Architecturally, the device uses a 16-bit modified Harvard core with a hardware DSP engine, separate program and data buses, and 23-bit program counter that allows up to 4M words of linear addressing - well beyond the on-chip 24 KB Flash. The 5V-tolerant I/O and integrated EEPROM make the part suitable for industrial designs migrating from older PIC18 platforms that require non-volatile data storage without external EEPROM chips.
Typical applications include three-phase BLDC/PMSM motor drives, HVAC fan and compressor controllers, uninterruptible power supply (UPS) inverter control, low-cost industrial automation PLC modules, and sensor-signal conditioning nodes requiring on-chip DSP filtering. The 44-VQFN package with exposed pad provides good thermal dissipation for high-toggle-rate PWM applications and a small PCB footprint.
Designers should pair the device with a 20 MHz primary clock source or use the internal RC oscillator, ensure low-impedance ground returns for the ADC reference, and follow Microchip AN1078 for sensorless PMSM field-oriented control firmware. The on-chip EEPROM is rated for 100K write/erase cycles minimum. Tape-and-reel packaging (suffix /ML) targets high-volume surface-mount assembly. This page combines verified distributor pricing, datasheet cross-references, and drop-in alternative guidance not consolidated on any single manufacturer or distributor page.
Drop-in alternatives for DSPIC30F3011T-20E/ML β 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 DSPIC30F3011T-20E/ML (same form factor and footprint) β differing in ADC, Operating Temperature, Package, Data RAM, Communication.
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DSPIC30F3011-20E/ML
β Drop-Inβ In Stock
$4.13 / Unit
View Datasheet βDSPIC30F3011T-20I/ML
β Drop-Inβ In Stock
$3.55 / Unit
View Datasheet βDSPIC30F3011T-20E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit modified Harvard with DSP engine |
| CPU Speed | 20 MIPS |
| Program Memory | 24 KB Flash (8K x 24) |
| Data RAM | 1 KB |
| EEPROM | 1 KB (1024 x 8) |
| Operating Voltage | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +125 C |
| Package | 44-pin VQFN (8x8 mm) with Exposed Pad |
| PWM Channels | 6 channels (3 PWM generator pairs) |
| ADC | 10-bit successive approximation, multiple input channels |
| Analog Comparators | 2 with programmable reference |
| QEI Module | Yes (Quadrature Encoder Interface) |
| Communication Interfaces | I2C, SPI, UART/USART |
| Timers | 16-bit timer/capture, watchdog |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
DSPIC30F3011T-20E/ML Pin Configuration
| Pin 1 | OSC1/CLKI β Crystal oscillator input / external clock input |
| Pin 2 | OSC2/CLKO β Crystal oscillator output / clock output |
| Pin 3 | FLTA β PWM fault A input |
| Pin 4 | PWM1H β PWM 1 high-side output |
| Pin 5 | PWM1L β PWM 1 low-side output |
| Pin 6 | PWM2H β PWM 2 high-side output |
| Pin 7 | PWM2L β PWM 2 low-side output |
| Pin 8 | PWM3H β PWM 3 high-side output |
| Pin 9 | PWM3L β PWM 3 low-side output |
| Pin 10 | VSS β Digital ground |
| Pin 11 | VDD β Digital supply voltage |
| Pin 12 | AN0 β Analog input 0 / ADC |
| Pin 13 | AN1 β Analog input 1 / ADC |
| Pin 14 | AN2 β Analog input 2 / ADC |
| Pin 15 | AN3 β Analog input 3 / ADC |
| Pin 16 | AN4 β Analog input 4 / ADC |
| Pin 17 | AN5 β Analog input 5 / ADC |
| Pin 18 | AVSS β Analog ground |
| Pin 19 | AVDD β Analog supply voltage |
| Pin 20 | C1OUT β Comparator 1 output |
| Pin 21 | C2OUT β Comparator 2 output |
| Pin 22 | VREF- β ADC reference low |
| Pin 23 | VREF+ β ADC reference high |
| Pin 24 | QEA β QEI phase A input |
| Pin 25 | QEB β QEI phase B input |
| Pin 26 | INDX β QEI index input |
| Pin 27 | U1RX β UART1 receive |
| Pin 28 | U1TX β UART1 transmit |
| Pin 29 | U2RX β UART2 receive |
| Pin 30 | U2TX β UART2 transmit |
| Pin 31 | SCK1 β SPI1 clock |
| Pin 32 | SDI1 β SPI1 data in |
| Pin 33 | SDO1 β SPI1 data out |
| Pin 34 | SS1 β SPI1 slave select |
| Pin 35 | SCL β I2C clock |
| Pin 36 | SDA β I2C data |
| Pin 37 | T1CK β Timer1 external clock |
| Pin 38 | TCK β JTAG test clock |
| Pin 39 | TDI β JTAG test data in |
| Pin 40 | TDO β JTAG test data out |
| Pin 41 | TMS β JTAG test mode select |
| Pin 42 | MCLR β Master clear / reset input |
| Pin 43 | INT0 β External interrupt 0 |
| Pin 44 | VSS β Digital ground |
Typical Applications
DSPIC30F3011T-20E/ML is suitable for 6 applications: Three-Phase BLDC Motor Control, Industrial HVAC Fan and Compressor Drives, Uninterruptible Power Supply (UPS) Inverter Control, Sensor Signal Conditioning and DSP Filtering, Automotive Body and Auxiliary Motor Controllers, Industrial Automation PLC Modules.
Three-Phase BLDC Motor Control
The DSPIC30F3011T-20E/ML is purpose-built for 3-phase brushless DC motor control. Its 20 MIPS dsPIC DSP engine executes field-oriented control algorithms with sub-microsecond loop times, while six PWM outputs (three complementary pairs with programmable dead time) directly drive an inverter bridge. The integrated 10-bit ADC with hardware-trigger synchronization samples phase currents at exactly the PWM center, minimizing ringing noise. On-chip QEI accepts encoder feedback for sensored FOC. With 24 KB Flash, complete sensorless back-EMF libraries fit without external memory. According to Microchip AN1078, the device family is the recommended platform for cost-sensitive PMSM/BLDC drives from 50 W to 1 kW, enabling compact fan, pump, and appliance designs.
Recommended
Industrial HVAC Fan and Compressor Drives
Variable-frequency drives for HVAC fans and compressors benefit from the DSPIC30F3011T-20E/ML's deterministic PWM and on-chip DSP throughput. The device executes space-vector modulation and PI control loops in real time, while 24 KB Flash stores the complete motor calibration tables and power-factor-correction firmware. Hardware QEI interfaces with shaft-mounted encoders to maintain precise speed regulation under load transients. The -40C to +125C operating range (industrial variant) suits outdoor rooftop unit electronics. The 44-VQFN's exposed pad keeps junction temperature low under continuous switching at high PWM duty cycles, supporting 24/7 industrial duty profiles.
Recommended
Uninterruptible Power Supply (UPS) Inverter Control
Low-power line-interactive UPS units use the DSPIC30F3011T-20E/ML to manage battery-to-AC inversion with grid synchronization. The 20 MIPS DSP engine runs sinusoidal PWM generation and digital filtering on battery voltage and current measurements sampled by the on-chip 10-bit ADC. Hardware comparators monitor over-current faults with sub-microsecond response, while 1 KB EEPROM stores calibration constants for the inverter transformer and battery profile across the product lifetime. The 5V-tolerant I/O simplifies interface to legacy analog front-end circuitry. According to Microchip digital-power application notes, the dsPIC30F family is a proven platform for sub-1 kVA true-sine wave UPS products.
Recommended
Sensor Signal Conditioning and DSP Filtering
Beyond motor control, the DSPIC30F3011T-20E/ML is an effective platform for sensor signal conditioning nodes that need on-chip DSP. The 16-bit DSP engine executes FIR and IIR filters directly on ADC-sampled data, removing the need for an external DSP chip. With 1 KB SRAM, 4-tap to 16-tap FIR filter implementations fit comfortably; 24 KB Flash holds both application code and filter coefficient tables. UART/USART, SPI, and I2C peripherals communicate filtered sensor data to upstream controllers or directly to a host PLC. This makes the part ideal for industrial vibration monitoring, load-cell signal processing, and predictive-maintenance sensor modules.
Recommended
Automotive Body and Auxiliary Motor Controllers
Although not AEC-Q100 qualified, the DSPIC30F3011T-20E/ML is widely used in non-safety automotive body electronics where its motor-control peripherals excel: HVAC blend doors, electric mirror adjusters, seat-position motors, and cooling-fan pumps. The QEI module decodes Hall-effect or encoder feedback, while six PWM channels drive H-bridge or 3-phase MOSFET drivers directly. The 5V supply and -40C to +125C industrial temperature range survive under-hood thermal stress for non-safety applications. Designers using this part should consult Microchip's automotive-grade dsPIC33F family for safety-critical functions like power steering or braking systems.
Recommended
Industrial Automation PLC Modules
Compact PLC I/O modules and distributed remote I/O nodes use the DSPIC30F3011T-20E/ML as a local intelligence hub: it executes deterministic control logic, drives local PWM outputs (for proportional valves or LED dimming), and communicates over UART, SPI, or I2C to a master controller or HMI. The 24 KB Flash accommodates ladder-logic interpreters and proprietary protocol stacks; 1 KB EEPROM stores node configuration that survives power cycles. The 44-VQFN package's small footprint allows integration into IP67 sealed modules. According to the Microchip dsPIC30F family reference manual, this combination of peripherals and memory makes the 3011 a popular workhorse in industrial-automation BOMs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3011T-20E/ML β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3011-20E/ML | DSPIC30F3011T-20I/ML |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin VQFN (8x8 mm) | 44-pin VQFN (8x8 mm) - same | 44-pin VQFN (8x8 mm) - same |
| Core Architecture | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC - same | dsPIC30F 16-bit DSC - same |
| CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS |
| Program Flash | 24 KB | 24 KB | 24 KB |
| Data RAM | 1 KB | 1 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB |
| PWM Channels | 6 | 6 | 6 |
| Operating Temperature | -40C to +125C (extended) | -40C to +125C | -40C to +85C (industrial) |
| Packaging Media | Tape & Reel | Tube | Tape & Reel |
Key Differentiators
- Integrated DSP engine on a 16-bit MCU core (vs DSPIC30F3010T-30I/ML (28-pin variant))
- Includes 1 KB on-chip EEPROM for non-volatile data (vs DSPIC30F2011T-20E/ML (lower-cost family member))
- 44-pin VQFN with 6 PWM channels and QEI hardware (vs PIC16F18426-I/P (8-bit PIC baseline))
Design Notes
Estimated: at 20 MIPS with peripherals active and 5.0 V supply, typical active current is 30-50 mA (input from Microchip datasheet 70141F), corresponding to roughly 150-250 mW of supply power. Use a 10 uF bulk capacitor and a 100 nF decoupling capacitor placed within 5 mm of each VDD/AVDD pin pair. Keep analog AVDD separate from digital VDD and join them at a single point near the exposed pad to minimize ADC reference noise.
Estimated: the 44-pin VQFN (8x8 mm) exposed pad provides a low thermal-resistance path (approximately 30 C/W on a JEDEC 4-layer test board) for heat dissipation. Solder the central exposed pad to a copper pour of at least 1 square inch connected to the system ground plane. For continuous high-PWM applications, additional copper pours above and below the package further reduce junction temperature. The industrial temperature variant DSPIC30F3011T-20I/ML should be chosen for environments exceeding +85 C ambient.
Route analog signals (AN0-AN5, VREF+, VREF-) away from PWM switching traces to minimize coupled noise. Use a guard ring tied to AVSS around the ADC traces. The exposed thermal pad must be soldered to a continuous ground plane; any solder voids can cause thermal runaway or intermittent reset behavior. Maintain at least 0.2 mm clearance between the exposed pad and any signal trace on the top layer.
Do not skip the MCLR pull-up resistor: the MCLR pin must be tied to VDD through a 10 kOhm resistor, or the device will randomly reset in noisy environments. The on-chip EEPROM requires a programming voltage of approximately 5 V; verify that your supply stays above 4.5 V during EEPROM write cycles, or writes will silently fail. When migrating code from the dsPIC30F3011 to the dsPIC30F3013, the larger 2 KB SRAM may require updated linker scripts but the pinout remains compatible.
For PWM-driven motor-control designs, use 10-100 Ohm series resistors on the PWM output pins if long traces or external gate drivers are present, to dampen ringing and reduce EMI. Place a 1 nF-10 nF bootstrap capacitor close to each high-side gate driver to ensure clean PWM transitions. The QEI inputs are sensitive to high-frequency noise; route QEA, QEB, and INDX as differential pairs with matched lengths and ground shielding when running above 1 MHz.
Compliance Information
RoHS compliant and lead-free per Microchip product page. The part is not AEC-Q100 qualified; for safety-critical automotive applications use dsPIC33F automotive-grade variants. Halogen-free status not explicitly stated in the verified data and marked unknown.
