DSPIC30F4011T-20E/PT - 16-Bit 20MIPS DSP MCU, 48KB Flash | Microchip
MPN: DSPIC30F4011T-20E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.1 | $8.10 |
| 10 | $7.28 | $72.80 |
| 100 | $6.21 | $621.00 |
| 500 | $5.55 | $2,775.00 |
| 1,000 | $4.92 | $4,920.00 |
DSPIC30F4011T-20E/PT Overview
What is a dsPIC30F Digital Signal Controller? A DSC is a hybrid MCU/DSP class device that fuses a modified Harvard RISC core with a dedicated DSP engine (single-cycle MAC, barrel shifter, dual 40-bit accumulators). It sits in the taxonomy: DSC -> digital signal controller -> microcontroller -> embedded processor -> semiconductor. This architecture is targeted at deterministic real-time control loops where software DSP and motor/PWM peripherals must coexist on one die.
Key features include a built-in 6-channel PWM module with duty-cycle resolution suitable for 3-phase motor drive, a 10-bit ADC with up to 9 channels at 1 Msps, motor-control PWM with complementary outputs and dead-time control, plus dedicated QEI (Quadrature Encoder Interface) for position feedback. On-chip peripherals include UART, SPI, I²C, CAN and a 16-bit timer/counter bank; the device has 1 KB of data RAM and 2 KB of auxiliary Flash for EEPROM emulation.
The DSP engine executes one 16x16 MAC per instruction cycle. Because the accumulator is 40-bit wide, the controller maintains precision for cascaded IIR/FIR stages without frequent rescaling. Integrated peripherals reduce external component count, while the dsPIC30F instruction set is a superset of the PIC24/PIC30 family, easing code migration. The 20 MIPS bandwidth and DSP MAC make this device a canonical choice for closed-loop FOC and PFC designs.
Typical applications are 3-phase BLDC/PMSM motor control (sensored or sensorless), switched-mode power supplies with PFC, sensorless fan/pump controllers, industrial automation drives, and automotive body/lighting modules. Per the Microchip product page, seamless migration paths exist to dsPIC33F and PIC24 devices in similar footprints.
Design tip: route the analog AVSS/AVDD pair separately from digital VDD, use a 100 nF + 10 µF decoupling pair adjacent to each power pin, and keep the PWM traces short and away from ADC inputs to preserve 10-bit conversion integrity.
Drop-in alternatives for DSPIC30F4011T-20E/PT — 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-20E/PT (same form factor and footprint) — differing in ADC, Mounting Type, Package, Timers, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4011-20E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-20I/PT
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC30F4011T-30I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4013T-30I/PT
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$9.18 / Unit
View Datasheet →DSPIC30F5015T-30I/PT
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$8.62 / Unit
View Datasheet →DSPIC30F3011T-20E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-20E/PT Maximum Ratings & Electrical Characteristics
| Product Type | Digital Signal Controller (DSC) |
| Core Architecture | dsPIC30F (modified Harvard, 16-bit RISC + DSP engine) |
| Program Memory | 48 KB Flash (16K x 24) |
| Data RAM | 1 KB |
| Auxiliary Flash (EEPROM emulation) | 2 KB |
| Max CPU Speed | 40 MHz (20 MIPS) |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | -40 °C to +125 °C (industrial, "E" extended temp) |
| Package | 44-TQFP, 10x10 mm |
| Mounting Type | Surface Mount, Tape & Reel (T suffix) |
| I/O Pins | 20 |
| ADC | 10-bit, 1 Msps, up to 9 channels |
| PWM Module | 6-channel Motor-Control PWM with complementary outputs and dead-time |
| QEI Module | 1 x Quadrature Encoder Interface |
| Communication Peripherals | UART, SPI, I²C, CAN |
| Timers | Five 16-bit timer/counters |
| RoHS Status | Compliant (per Microchip product page) |
DSPIC30F4011T-20E/PT Pin Configuration
| Pin 1 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC Vref+ / CN2 / I/O RB0 |
| Pin 2 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC Vref- / CN3 / I/O RB1 |
| Pin 3 | AN2/SS2/CN4/RB2 — Analog input 2 / SPI2 SS / CN4 / I/O RB2 |
| Pin 4 | AN3/CN5/RB3 — Analog input 3 / CN5 / I/O RB3 |
| Pin 5 | AN4/CN6/RB4 — Analog input 4 / CN6 / I/O RB4 |
| Pin 6 | AN5/CN7/RB5 — Analog input 5 / CN7 / I/O RB5 |
| Pin 7 | OSC1/CLKI/CN30/RA9 — Crystal input / external clock / CN30 / I/O RA9 |
| Pin 8 | OSC2/CLKO/CN31/RA10 — Crystal output / clock out / CN31 / I/O RA10 |
| Pin 9 | MCLR — Master Clear (reset) input |
| Pin 10 | PGED2/EMUD2/AN7/CN9/RB7 — ICSP data 2 / Analog input 7 / CN9 / I/O RB7 |
| Pin 11 | PGEC2/EMUC2/AN6/CN8/RB6 — ICSP clock 2 / Analog input 6 / CN8 / I/O RB6 |
| Pin 12 | AVDD — Analog supply voltage |
| Pin 13 | AVSS — Analog ground |
| Pin 14 | VDD — Digital supply voltage |
| Pin 15 | VSS — Digital ground |
| Pin 16 | PGED1/EMUD1/RA0 — ICSP data 1 / I/O RA0 |
| Pin 17 | PGEC1/EMUC1/RA1 — ICSP clock 1 / I/O RA1 |
| Pin 18 | PWM1L/RE0 — PWM1 low-side output / I/O RE0 |
| Pin 19 | PWM1H/RE1 — PWM1 high-side output / I/O RE1 |
| Pin 20 | PWM2L/RE2 — PWM2 low-side output / I/O RE2 |
| Pin 21 | PWM2H/RE3 — PWM2 high-side output / I/O RE3 |
| Pin 22 | PWM3L/RE4 — PWM3 low-side output / I/O RE4 |
| Pin 23 | PWM3H/RE5 — PWM3 high-side output / I/O RE5 |
| Pin 24 | QEA/IC1/RD0 — QEI input A / Input Capture 1 / I/O RD0 |
| Pin 25 | QEB/IC2/RD1 — QEI input B / Input Capture 2 / I/O RD1 |
| Pin 26 | U1RX/SDI1/RF0 — UART1 RX / SPI1 data in / I/O RF0 |
| Pin 27 | U1TX/SDO1/RF1 — UART1 TX / SPI1 data out / I/O RF1 |
| Pin 28 | U2RX/SDI2/CN17/RF2 — UART2 RX / SPI2 data in / CN17 / I/O RF2 |
| Pin 29 | U2TX/SDO2/CN18/RF3 — UART2 TX / SPI2 data out / CN18 / I/O RF3 |
| Pin 30 | SDA1/SCK1/CN19/RF4 — I²C1 data / SPI1 clock / CN19 / I/O RF4 |
| Pin 31 | SCL1/SS1/CN20/RF5 — I²C1 clock / SPI1 SS / CN20 / I/O RF5 |
| Pin 32 | C1TX/CN21/RF6 — CAN1 TX / CN21 / I/O RF6 |
| Pin 33 | C1RX/CN22/RF7 — CAN1 RX / CN22 / I/O RF7 |
| Pin 34 | FLTA/INT0/CN23/RD8 — PWM fault A / INT0 / CN23 / I/O RD8 |
| Pin 35 | T2CK/RC1 — Timer2 clock input / I/O RC1 |
| Pin 36 | T1CK/RC2 — Timer1 clock input / I/O RC2 |
| Pin 37 | T3CK/INT2/RC3 — Timer3 clock input / INT2 / I/O RC3 |
| Pin 38 | INT1/RC4 — External interrupt 1 / I/O RC4 |
| Pin 39 | IC7/INT3/RC5 — Input Capture 7 / INT3 / I/O RC5 |
| Pin 40 | OC8/CN24/RD9 — Output Compare 8 / CN24 / I/O RD9 |
| Pin 41 | OC7/CN25/RD10 — Output Compare 7 / CN25 / I/O RD10 |
| Pin 42 | OC6/CN26/RD11 — Output Compare 6 / CN26 / I/O RD11 |
| Pin 43 | OC5/CN27/RD12 — Output Compare 5 / CN27 / I/O RD12 |
| Pin 44 | OC4/CN28/RD13 — Output Compare 4 / CN28 / I/O RD13 |
Typical Applications
DSPIC30F4011T-20E/PT is suitable for 7 applications: 3-Phase BLDC / PMSM Motor Control (Sensored), Switched-Mode Power Supply with PFC, Sensorless Fan / Pump / HVAC Blower Control, Industrial Automation Servo Drive, Automotive Body Electronics / Lighting, Digital Audio / Echo Cancellation (Sub-20 kHz), Solar Inverter / MPPT Controller.
3-Phase BLDC / PMSM Motor Control (Sensored)
The DSPIC30F4011T-20E/PT is a reference Microchip platform for sensorless and sensored BLDC/PMSM drives. Its 6-channel Motor-Control PWM delivers complementary outputs with programmable dead-time, ideal for driving a 3-phase inverter at 20 kHz. The dedicated Quadrature Encoder Interface decodes Hall or incremental encoder feedback for rotor position, while the 1 Msps 10-bit ADC samples three shunt currents and DC-bus voltage within one PWM period. The 20 MIPS DSP engine runs Clarke/Park transforms and a PI current loop at 10 kHz with margin to spare. The 48 KB Flash holds the FOC state machine and motor parameters, while 1 KB RAM buffers transformed current vectors - eliminating the need for an external DSP.
Recommended
Switched-Mode Power Supply with PFC
For PFC-boost front ends and digitally-controlled SMPS, the DSPIC30F4011T-20E/PT combines DSP throughput and PWM peripherals on a single die. The 6-channel PWM with dead-time control can drive a PFC MOSFET and a downstream LLC or full-bridge stage simultaneously. The 10-bit ADC at 1 Msps samples input voltage, input current, and output voltage with adequate bandwidth for average-current-mode control at line frequencies up to 400 Hz (avionics) or 60 Hz (mains). The DSP engine executes the multiplication-heavy control law at 20 MIPS, leaving room for soft-start, brown-out, and protective sequence logic in the same Flash image.
Recommended
Sensorless Fan / Pump / HVAC Blower Control
Compact sensorless motor controllers for HVAC blowers, refrigerator compressors, and pump drives benefit from the DSPIC30F4011T-20E/PT's 20 MIPS DSP throughput and integrated 44-TQFP footprint. Microchip's sensorless FOC and back-EMF reference firmware runs natively on this device, eliminating external DSP or op-amp current-sensing ICs. The on-chip ADC samples the BEMF zero-crossings; the PWM module commutates the 3-phase bridge without CPU intervention via duty-cycle match. Industrial-temperature "-20E" parts rated -40 to +125 °C operate inside sealed motor housings where ambient temperatures routinely exceed 85 °C.
Recommended
Industrial Automation Servo Drive
For multi-axis servo and stepper drive boards networked over CANopen, the DSPIC30F4011T-20E/PT offers on-chip CAN 2.0B plus 6-channel PWM and QEI - sufficient to control one servo axis without external logic. The 48 KB Flash accommodates CANopen stack (e.g., CanFestival-lite), PDO/SDO handling, and a position/velocity/current cascade loop at 1 kHz. The UART/SPI/I²C peripherals support a local keypad, HMI display, or external encoder. Industrial temperature range "-20E" plus Microchip's long-term product support make this DSC well suited to factory-floor servo drives with 10+ year deployment horizons.
Recommended
Automotive Body Electronics / Lighting
Although the DSPIC30F4011T-20E/PT is not AEC-Q100 qualified in the standard speed grade, its DSP throughput and CAN bus are useful for non-safety automotive body modules such as LED headlamp drivers, HVAC flap controllers, and adaptive lighting. The 6-channel PWM drives MOSFET bridges or LED constant-current drivers; the ADC reads thermistors and current shunts; the CAN bus interfaces with the vehicle's body-network. Designers targeting AEC-Q100 should migrate to dsPIC33F EP parts or dsPIC33CK with AEC-Q100 Grade 1 qualification.
Recommended
Digital Audio / Echo Cancellation (Sub-20 kHz)
The DSP engine's single-cycle 16x16 MAC and 40-bit accumulator make the DSPIC30F4011T-20E/PT adequate for narrow-band DSP tasks like FIR/IIR filtering, low-latency echo cancellation, and tone generation below 20 kHz. With 1 KB RAM and 20 MIPS, designers can implement 50-100-tap FIR filters and basic adaptive algorithms for hands-free intercoms, hearing-aid front-ends, or active noise-cancellation prototyping. The I²S-like peripheral is emulated via PWM + DMA, while SPI/I²C interface to external audio CODECs.
Recommended
Solar Inverter / MPPT Controller
In a solar micro-inverter or MPPT buck/boost stage, the DSPIC30F4011T-20E/PT can run a perturb-and-observe MPPT loop while driving the converter's PWM, sampling input/output voltage and current via the on-chip ADC. The DSP throughput handles perturb-and-observe at sub-kHz update rates, and the CAN interface lets multiple panels report telemetry over a building-automation bus. Industrial temperature grade and Microchip's long-term supply policy suit outdoor PV installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011T-20E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4011-20E/PT | DSPIC30F4011T-20I/PT | DSPIC30F4011T-30I/PT | DSPIC30F4013T-30I/PT | DSPIC30F5015T-30I/PT | DSPIC30F3011T-20E/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Max CPU Speed | 40 MHz / 20 MIPS | 40 MHz / 20 MIPS | 40 MHz / 20 MIPS | 40 MHz / 30 MIPS (+50%) | 40 MHz / 30 MIPS (+50%) | 40 MHz / 30 MIPS (+50%) | 40 MHz / 30 MIPS (+50%) |
| Program Flash | 48 KB (16K x 24) | 48 KB | 48 KB | 48 KB | 64 KB (+33%) | 66 KB (+38%) | 24 KB (-50%) |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 4 KB (+300%) | 2 KB (+100%) | 1 KB |
| Temperature Grade | -40 to +125 °C ("E") | -40 to +125 °C ("E") | -40 to +85 °C ("I") | -40 to +85 °C ("I") | -40 to +85 °C ("I") | -40 to +85 °C ("I") | -40 to +125 °C ("E") |
| CAN Module | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B | 1 x CAN 2.0B | 2 x CAN 2.0B | None |
| Motor-Control PWM | 6-channel with dead-time | 6-channel with dead-time | 6-channel with dead-time | 6-channel with dead-time | 6-channel with dead-time | 8-channel with dead-time | 6-channel with dead-time |
| QEI Module | 1 x QEI | 1 x QEI | 1 x QEI | 1 x QEI | 1 x QEI | 2 x QEI | 1 x QEI |
| ADC | 10-bit, 9-channel, 1 Msps | 10-bit, 9-channel, 1 Msps | 10-bit, 9-channel, 1 Msps | 10-bit, 9-channel, 1 Msps | 10-bit, 13-channel, 1 Msps | 10-bit, 16-channel, 1 Msps | 10-bit, 9-channel, 1 Msps |
Key Differentiators
- True DSP engine on a 16-bit DSC core, not just an MCU (vs PIC24FJ64GA004 (PIC24 MCU without DSP))
- 44-TQFP package with 6-channel motor-control PWM + QEI + CAN (vs PIC24HJ64GP506 (general-purpose PIC24H DSC in 64-TQFP))
- Two-decade long-term supply guarantee under Microchip PCL program (vs Consumer-grade ARM Cortex-M0 MCUs in the same price band)
Design Notes
Power the DSPIC30F4011T-20E/PT from a clean 3.3 V or 5 V rail and place a 10 µF bulk + 100 nF ceramic decoupling pair within 5 mm of each VDD/VSS and AVDD/AVSS pair. Per datasheet 70135G, separate the analog and digital grounds at the regulator and join them at a single point beneath the device. Failure to keep AVDD ripple below 30 mVpk-pk will couple into the ADC readings and degrade current-loop accuracy.
Route the PWM1H/L..PWM3H/L traces as a matched-length differential pair (within 2 mm) and avoid running them parallel to analog inputs AN0..AN8 or the CAN bus. Keep switching current loops (MOSFET half-bridges) tight and use a 4-layer PCB with a continuous ground plane under the DSC. Microchip's AN1078 reference PCB layout is the recommended template for 3-phase inverter designs with this controller.
Configuration fuses on the DSPIC30F4011T-20E/PT must enable the 40 MHz oscillator (HS or XT with PLL) - a common mistake is leaving the device on the default FRC oscillator, which limits execution to 7.4 MIPS and cripples FOC performance. Always program the FWDT, FBS, FSS, FGS, and FOSCSEL configuration words in code. Also verify that the PWM module's PTCON and PWMCON1 registers are configured for center-aligned mode before connecting power stages.
Estimated: at 40 MHz with full peripheral activity, the DSPIC30F4011T-20E/PT draws ~70 mA from VDD, dissipating roughly 230 mW at 3.3 V or 350 mW at 5 V. The 44-TQFP (10x10) θJA is approximately 45 °C/W on a 4-layer JEDEC test PCB, so the junction temperature rises 10-16 °C above ambient - well within the -40 to +125 °C operating range. For sealed enclosures above 85 °C ambient, derate to 30 MHz and disable unused peripherals to reduce I/O sink current.
Compliance Information
DSPIC30F4011 family is RoHS-compliant and lead-free per Microchip product page. Standard speed grades are NOT AEC-Q100 qualified - migrate to dsPIC33F EP/CK automotive grades for AEC-Q100 designs.
