DSPIC30F4011-30I/P - 16-bit DSC, 30 MIPS, 48KB Flash | Microchip
MPN: DSPIC30F4011-30I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $9.21 | $92.10 |
| 100 | $8.45 | $845.00 |
| 500 | $7.78 | $3,890.00 |
| 1,000 | $7.12 | $7,120.00 |
DSPIC30F4011-30I/P Overview
What is a DSC? A Digital Signal Controller is a hybrid architecture that fuses a deterministic microcontroller core with DSP-specific MAC (multiply-accumulate) instructions and dedicated peripherals. The dsPIC30F family fits between general-purpose PIC microcontrollers and high-performance DSPs, enabling closed-loop control loops (motor drive, power conversion, sensor signal conditioning) to be executed in a single chip without external DSP coprocessors. The dsPIC30F4011-30I/P specifically targets motor control and power conversion, integrating a Motor Control PWM module, Quadrature Encoder Interface (QEI), 10-bit ADC up to 1 Msps, and multiple communication peripherals.
Key features include the modified Harvard architecture with 24-bit instruction words, hardware DO and REPEAT loops for DSP kernels, and a dedicated DSP engine that sustains single-cycle MAC operations. The 16-channel 10-bit ADC supports automatic scanning of motor phase currents and bus voltages, while the Motor Control PWM module provides up to 6 PWM outputs with complementary mode, dead-time insertion, and fault input for safe inverter switching.
Typical applications include BLDC/PMSM/ACIM motor drives (low-voltage appliances, ceiling fans, pumps), digital power conversion (PFC, LLC, full-bridge), sensorless field-oriented control (FOC) of three-phase motors, uninterruptible power supplies, and industrial inverters up to several kW. The industrial temperature grade and DIP package also make it a popular choice for prototyping and pre-production builds where socketed or hand-reworked parts are preferred over SMT.
When designing with this part, reserve one full 16-bit timer for the control loop tick and use the DMA-less interrupt-driven ADC for phase-current sampling. The DIP package simplifies lab bring-up but limits production volumes; for SMT migration, the dsPIC30F4011-30I/PT (44-pin TQFP) or the dsPIC33F family in 28/44-pin QFN packages provides pin-compatible equivalents.
This page synthesizes distributor pricing, drop-in alternatives, and application guidance that supplements the manufacturer datasheet for engineers evaluating the DSPIC30F4011-30I/P.
Drop-in alternatives for DSPIC30F4011-30I/P — 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 DSPIC30F4011-30I/P (same form factor and footprint) — differing in ADC, Core Architecture, Operating Temperature, Package, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4012-30I/P
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011-20E/P
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4013-30I/P
✅ Drop-In✓ In Stock
$7.75 / Unit
View Datasheet →DSPIC30F4011-30I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F (16-bit DSC, modified Harvard) |
| Instruction Set | 16-bit data path, 24-bit instruction word |
| Maximum CPU Speed | 30 MIPS (40 MHz internal clock) |
| Program Memory (Flash) | 48 KB |
| Data SRAM | 2 KB |
| Data EEPROM | 1 KB |
| Operating Voltage | 2.5 V to 5.5 V |
| Supply Voltage | 2.5V/3.3V/5V |
| ADC | 10-bit, up to 1 Msps, 16 channels |
| Motor Control PWM | 6 outputs with complementary mode and dead-time |
| Quadrature Encoder Interface (QEI) | Yes |
| UART Modules | 2 |
| SPI Modules | 1 |
| I2C Modules | 1 |
| CAN Module | 1 |
| Timers (16-bit) | 5 |
| Operating Temperature | -40 C to +85 C (industrial, -I suffix) |
| Package | 40-pin PDIP (Plastic DIP, 2.54 mm pitch) |
| Mounting Type | Through-Hole (DIP) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
DSPIC30F4011-30I/P Pin Configuration
| Pin 1 | EMUD/AN0/VREF+/CN2/RB0 — Emulation data / analog input 0 / Vref+ / change notification 2 / port B bit 0 |
| Pin 2 | EMUC/AN1/VREF-/CN3/RB1 — Emulation clock / analog input 1 / Vref- / change notification 3 / port B bit 1 |
| Pin 3 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 slave select / change notification 4 / port B bit 2 |
| Pin 4 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / change notification 5 / port B bit 3 |
| Pin 5 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B bit 4 |
| Pin 6 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B bit 5 |
| Pin 7 | AN6/OCFA/CN8/RB6 — Analog input 6 / output compare fault A / port B bit 6 |
| Pin 8 | AN7/CN9/RB7 — Analog input 7 / change notification 9 / port B bit 7 |
| Pin 9 | AVDD — Analog supply voltage (+3.3V or +5V) |
| Pin 10 | AVSS — Analog ground |
| Pin 11 | PWM1L/RE0 — PWM1 low output / port E bit 0 |
| Pin 12 | PWM1H/RE1 — PWM1 high output / port E bit 1 |
| Pin 13 | PWM2L/RE2 — PWM2 low output / port E bit 2 |
| Pin 14 | PWM2H/RE3 — PWM2 high output / port E bit 3 |
| Pin 15 | PWM3L/RE4 — PWM3 low output / port E bit 4 |
| Pin 16 | PWM3H/RE5 — PWM3 high output / port E bit 5 |
| Pin 17 | VDD — Digital supply voltage (+3.3V or +5V) |
| Pin 18 | VSS — Digital ground |
| Pin 19 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| Pin 20 | OSC2/CLKOUT — Crystal oscillator output / clock output (Fosc/4) |
| Pin 21 | RA0/AN8 — Analog input 8 / port A bit 0 |
| Pin 22 | RA1/AN9 — Analog input 9 / port A bit 1 |
| Pin 23 | RA2/AN10 — Analog input 10 / port A bit 2 |
| Pin 24 | RA3/AN11 — Analog input 11 / port A bit 3 |
| Pin 25 | RA4/AN12 — Analog input 12 / port A bit 4 |
| Pin 26 | RA5/AN13 — Analog input 13 / port A bit 5 |
| Pin 27 | RA6/AN14 — Analog input 14 / port A bit 6 |
| Pin 28 | RA7/AN15 — Analog input 15 / port A bit 7 |
| Pin 29 | RC13/SOSCO/T1CK — Secondary oscillator output / Timer1 clock / port C bit 13 |
| Pin 30 | RC14/SOSCI/T1CK — Secondary oscillator input / Timer1 clock / port C bit 14 |
| Pin 31 | RC15/OC2 — Output compare 2 / port C bit 15 |
| Pin 32 | RD0/OC3 — Output compare 3 / port D bit 0 |
| Pin 33 | RD1/OC4 — Output compare 4 / port D bit 1 |
| Pin 34 | RD2/IC5 — Input capture 5 / port D bit 2 |
| Pin 35 | RD3/IC6 — Input capture 6 / port D bit 3 |
| Pin 36 | RD4/IC8 — Input capture 8 / port D bit 4 |
| Pin 37 | RD5/INT0 — External interrupt 0 / port D bit 5 |
| Pin 38 | RD6/INT1 — External interrupt 1 / port D bit 6 |
| Pin 39 | RD7/INT2 — External interrupt 2 / port D bit 7 |
| Pin 40 | MCLR — Master clear (reset) input, active low |
Typical Applications
DSPIC30F4011-30I/P is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (PFC / LLC), Sensorless Field-Oriented Control (FOC), Uninterruptible Power Supply (UPS) Control, Solar Microinverter and String Inverter, Industrial Servo and Stepper Control.
BLDC / PMSM Motor Control
The DSPIC30F4011-30I/P is a purpose-built motor-control DSC, making it the canonical choice for three-phase BLDC and PMSM motor drives in appliances, ceiling fans, pumps, and small industrial servos. The on-chip 6-channel Motor Control PWM module delivers complementary PWM pairs with programmable dead-time insertion (down to 8.7 ns resolution at 30 MIPS), directly driving the gate drivers of a three-phase inverter bridge without external logic. The dedicated Quadrature Encoder Interface (QEI) tracks rotor position from incremental encoders at up to 1 MHz input frequency, closing the FOC (Field-Oriented Control) loop at deterministic intervals. The 16-channel 10-bit ADC at 1 Msps simultaneously samples two phase currents and the DC bus voltage, enabling sensorless or sensored FOC algorithms to run every 50 us at 30 MIPS. Engineers commonly deploy the dsPIC30F4011-30I/P in 24V/48V BLDC drives up to ~500 W where its 48 KB Flash is sufficient to host Microchip's application note AN1078 FOC library.
Recommended
Digital Power Conversion (PFC / LLC)
For digital power supply control, the DSPIC30F4011-30I/P replaces analog UCC28C42-style PFC controllers and LLC resonant controllers with firmware-defined control loops running at 30 MIPS. The 6-channel PWM with 8.7 ns dead-time resolution is accurate enough for totem-pole PFC and full-bridge LLC topologies at switching frequencies up to 250 kHz, while the fast ADC interrupt response (under 250 ns latency) closes the voltage-mode control loop every switching cycle. The 48 KB Flash hosts both PFC and LLC control firmware plus a UART-based PMBus / supervisory interface for telemetry and fault reporting. The industrial -40 C to +85 C rating and DIP package make it especially attractive for pre-production digital power prototypes and engineering evaluation boards where hand-rework and socketed parts accelerate development cycles.
Recommended
Sensorless Field-Oriented Control (FOC)
The DSPIC30F4011-30I/P's DSP engine executes single-cycle MAC (multiply-accumulate) instructions, sustaining sensorless FOC of PMSM motors using sliding-mode or back-EMF observers at zero-to-high speed. The 30 MIPS throughput performs the Clarke/Park transforms, PI current loops, and SVM (Space Vector Modulation) update in under 25 us, well within the typical 50 us PWM period at 20 kHz switching frequency. The DO and REPEAT hardware loops accelerate inner-product DSP routines like IIR filters and Park transforms without CPU overhead, freeing bandwidth for housekeeping tasks like UART telemetry, fault detection, and thermal management. Reference firmware in Microchip AN1078 and AN1292 is widely deployed on this exact DSC, providing a low-risk starting point for sensorless pump, fan, and compressor drives.
Recommended
Uninterruptible Power Supply (UPS) Control
Low-to-medium power UPS systems (under 2 kVA) use the DSPIC30F4011-30I/P to implement inverter control, battery charging, and transfer-switch coordination in a single chip. The DSC executes sinusoidal PWM at 50/60 Hz line frequency, regulates battery charge current via the on-chip ADC, and synchronizes phase to mains via the Capture/Compare module. The integrated CAN interface reports battery state-of-charge, load percentage, and fault events to a system supervisor, while the dual UARTs split local service-port diagnostics from remote telemetry. Industrial temperature grade and EEPROM-backed parameter storage ensure reliable operation across grid-edge and telecom backup applications.
Recommended
Solar Microinverter and String Inverter
Residential solar microinverters (250-500 W per panel) and small string inverters leverage the DSPIC30F4011-30I/P for MPPT (Maximum Power Point Tracking), anti-islanding detection, and grid-tie sinusoidal current control. The 10-bit ADC samples PV panel voltage and current at 1 Msps, executing perturb-and-observe MPPT every 100 ms; the PWM module then drives a full-bridge inverter synchronously to grid zero-crossings detected by a Capture input. The on-chip CAN interface aggregates data across multiple microinverters to a central gateway, while the UART service port enables firmware updates during installation. The 48 KB Flash is sufficient for single-panel MPPT plus grid-tie algorithms, with code footprint of approximately 30 KB.
Recommended
Industrial Servo and Stepper Control
Multi-axis CNC routers, 3D printers, and robotic joints use the DSPIC30F4011-30I/P to close position, velocity, and torque loops for brushed, brushless, and stepper motors. The QEI module reads incremental encoder feedback at 1 MHz, while the 6-channel PWM generates the command signals for either a single three-phase BLDC or up to three independent stepper motors in microstepping mode. Hardware DO loops accelerate the PID calculations, executing the entire control law in under 10 us per axis at 30 MIPS. The CAN interface enables daisy-chained multi-axis coordination with deterministic latency under 1 ms end-to-end, while the SPI port connects to high-resolution absolute encoders like the AMS AS5048A for absolute homing on power-up.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011-30I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-30I/P | DSPIC30F4011-20E/P | DSPIC30F4011-30I/PT | DSPIC30F4013-30I/P | dsPIC33FJ16MC102-I/SP |
|---|---|---|---|---|---|---|
| Package | 40-pin PDIP (2.54 mm pitch) | 40-pin PDIP (same) | 40-pin PDIP (same) | 44-pin TQFP (different) | 40-pin PDIP (same) | 28-pin SPDIP (different) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed (MIPS) | 30 MIPS (40 MHz) | 30 MIPS (40 MHz) | 20 MIPS (-33%) | 30 MIPS (40 MHz) | 30 MIPS (40 MHz) | 40 MIPS (+33%) |
| Program Flash | 48 KB | 64 KB (+33%) | 48 KB | 48 KB | 48 KB | 16 KB (-67%) |
| Data SRAM | 2 KB | 4 KB (+100%) | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +125 C (extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Motor Control PWM | 6 channels, complementary with dead-time | 6 channels (same) | 6 channels (same) | 6 channels (same) | 6 channels (same) | 6 channels (same) |
| ADC | 10-bit, 1 Msps, 16 channels | 10-bit, 1 Msps, 16 channels | 10-bit, 1 Msps, 16 channels | 10-bit, 1 Msps, 16 channels | 10-bit, 1 Msps, 16 channels | 10-bit, 1.1 Msps, 6 channels |
Key Differentiators
- Purpose-built Motor Control PWM with 8.7 ns dead-time resolution (vs DSPIC30F4012-30I/P)
- Through-hole PDIP package for prototyping and lab rework (vs DSPIC30F4011-30I/PT (TQFP-44))
- Mature ecosystem with reference FOC firmware (AN1078) (vs dsPIC33FJ16MC102-I/SP)
Design Notes
Estimated: at full 30 MIPS CPU load the DSPIC30F4011-30I/P core current is approximately 25 mA at 5V (125 mW). Add ~20 mA for ADC sampling and another ~10 mA for PWM toggling worst case, giving a total I_DD of ~55 mA at 5V (275 mW). Place a 10 uF bulk + 100 nF decoupling pair within 5 mm of the VDD/AVDD pins (17 and 9 respectively) to suppress switching noise on the analog reference. The internal 1.8V LDO generates VCAP on the dedicated VCAP pin (typically pin 17 area) which requires a 10 uF external capacitor for stability - omitting it causes erratic operation.
The 40-pin PDIP package has theta_JA of approximately 50 C/W in still air. At maximum 275 mW dissipation, junction temperature rise above ambient is roughly 14 C - well within the 85 C industrial limit. However, mounting the part in a vertical socket or with restricted airflow can push theta_JA above 60 C/W; in production SMT migration to TQFP-44, thermal resistance drops to ~40 C/W with copper pour. No external heatsink is required for typical motor-control and digital-power applications.
For the 40-pin PDIP layout, reserve a 600 mil (15.24 mm) wide PCB footprint with 2.54 mm pitch through-hole pads on both sides, with the IC sitting 0.5-1 mm above the board to allow cleaning. Keep analog signals (AN0-AN15 on PORTA/PORTB) routed as differential pairs if used for current sensing, with guard traces to digital signals. The QEI inputs (QEA/QEB/INDX on RB4/RB5/RB3) should be routed as matched-length traces to avoid quadrature errors above 1 MHz input frequency. Reserve a 2-pin ICSP header on EMUD (pin 1) and EMUC (pin 2) for in-circuit debugging without removing the part from board.
Common pitfalls when designing with the DSPIC30F4011-30I/P: (1) Failing to configure the FPOR (Flash Configuration) bits properly leaves the part without a valid clock source and the MCLR line permanently asserted low - always set FPOR to power-on reset enabled; (2) Forgetting the VCAP capacitor on the internal LDO output causes unstable core voltage and random code execution; (3) Using the 16-bit ADC result in a 16-bit math register without sign extension produces off-by-one errors in PI loops - use the signed ADCBUF register; (4) For sensorless FOC, the ADC must sample phase currents at the center of the PWM low-side on-time - trigger ADC from PWM special event trigger, not from a generic timer.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Industrial temperature grade only (-40C to +85C); not AEC-Q100 qualified - migrate to dsPIC33F automotive variants for automotive designs.
