DSPIC30F3011T-30I/PT - 16-bit 30MIPS DSC 24KB Flash TQFP-44 | Microchip
MPN: DSPIC30F3011T-30I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.95 | $495.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $3.92 | $3,920.00 |
| 3,000 | $3.55 | $10,650.00 |
DSPIC30F3011T-30I/PT Overview
What is a Digital Signal Controller (DSC)? A DSC is a hybrid architecture that combines the deterministic interrupt response and peripheral set of a microcontroller (MCU) with the high-throughput multiply-accumulate (MAC) engine of a digital signal processor (DSP). It occupies the middle ground in the embedded hierarchy: MCU < DSC < DSP < SoC. DSCs are widely used for closed-loop control loops, power conversion, motor control and audio processing where both deterministic real-time response and high-rate numerical computation are required from a single chip.
Key features of this part include a modified Harvard architecture core with a 17x17-bit hardware multiplier and 40-bit accumulators for single-cycle MAC operations, six 16-bit timers, six PWM channels with dedicated fault inputs optimized for motor and power-converter control, a 10-bit ADC with up to 9 channels and 500 ksps conversion rate, and two UART, SPI and I2C communication peripherals. The part supports 3.0V to 5.5V single-supply operation across the industrial -40C to +85C temperature range.
The DSPIC30F core implements a C-compiler-optimized instruction set with 24-bit wide instructions and dual data fetches via the Harvard buses, enabling predictable execution times for control algorithms. The integrated DSP engine allows complex motor-control loops (vector FOC, sensorless trapezoidal) and power-factor-correction routines to run without an external DSP coprocessor. Industrial-rated silicon and on-chip FRC with PLL give stable timing under wide temperature and voltage variations.
Typical applications include BLDC/PMSM and AC induction motor drives, uninterruptible power supplies (UPS) and power-factor-correction stages, switched-mode power supplies, industrial automation and sensor signal conditioning. The 44-pin TQFP footprint exposes enough I/O for three-phase inverter control plus HMI lines in cost-sensitive industrial designs.
Design considerations: place 0.1 uF decoupling on every VDD/VSS pair within 5 mm, tie the MCLR pin high through a 10 kohm resistor, and select an FRC+PLL configuration only when accuracy better than +/- 2% is not required - otherwise use an external crystal on OSC1/OSC2.
This page synthesizes distributor pricing, parametric drop-in alternatives, and engineering design notes not collected in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC30F3011T-30I/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 DSPIC30F3011T-30I/PT (same form factor and footprint) — differing in ADC, Package, Communication, Core Architecture, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F3011-30I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3011T-30I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3011T-20I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC30F3011-20I/PT
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →DSPIC30F3010T-30I/ML
✅ Drop-In✓ In Stock
$3.99 / Unit
View Datasheet →DSPIC30F3011T-30I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F (16-bit DSC, modified Harvard) |
| Maximum CPU Speed | 30 MIPS |
| Program Memory (Flash) | 24 KB (8K x 24 words) |
| Data SRAM | 1 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 3.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| ADC | 10-bit, up to 9 channels, 500 ksps |
| PWM Channels | 6 (with dedicated fault inputs) |
| Timers | 5 x 16-bit (Timer1-5) + 1 x 32-bit |
| Communication | 2x UART, SPI, I2C |
| Hardware Multiplier | 17 x 17-bit, single-cycle MAC |
| ICSP / In-Circuit Programming | Yes (2-wire ICD support) |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
| Peripheral Pin Select | Not available (dsPIC30F family feature) |
DSPIC30F3011T-30I/PT Pin Configuration
| Pin 1 | AN0/VREF+/CN2 — Analog input 0 / positive voltage reference / change notification |
| Pin 2 | AN1/VREF-/CN3 — Analog input 1 / negative voltage reference / change notification |
| Pin 3 | AN2/CN4 — Analog input 2 / change notification |
| Pin 4 | AN3/CN5 — Analog input 3 / change notification |
| Pin 5 | AN4/CN6 — Analog input 4 / change notification |
| Pin 6 | AN5/CN7 — Analog input 5 / change notification |
| Pin 7 | MCLR — Master clear reset (active-low) - tie high via 10 kohm |
| Pin 8 | PWM1H/RE0 — PWM output 1 high-side / GPIO port E0 |
| Pin 9 | PWM1L/RE1 — PWM output 1 low-side / GPIO port E1 |
| Pin 10 | PWM2H/RE2 — PWM output 2 high-side / GPIO port E2 |
| Pin 11 | VDD — Positive supply voltage (3.0-5.5 V) |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1/RC15 — Crystal oscillator input or RC clock input |
| Pin 14 | OSC2/RC14 — Crystal oscillator output or RC clock output |
| Pin 15 | FLTA/INT0/RF6 — PWM fault input A / external interrupt 0 / GPIO port F6 |
| Pin 16 | U1RX/RF2 — UART1 receive / GPIO port F2 |
| Pin 17 | U1TX/RF3 — UART1 transmit / GPIO port F3 |
| Pin 18 | U2RX/RF4 — UART2 receive / GPIO port F4 |
| Pin 19 | U2TX/RF5 — UART2 transmit / GPIO port F5 |
| Pin 20 | SDO1/RF8 — SPI1 data out / GPIO port F8 |
| Pin 21 | SDI1/RF7 — SPI1 data in / GPIO port F7 |
| Pin 22 | SCK1/RF6 — SPI1 clock / GPIO port F6 |
| Pin 23 | SS1/RD11 — SPI1 slave select / GPIO port D11 |
| Pin 24 | SDA/RG3 — I2C data / GPIO port G3 |
| Pin 25 | SCL/RG2 — I2C clock / GPIO port G2 |
| Pin 26 | T1CK/RD0 — Timer1 external clock / GPIO port D0 |
| Pin 27 | T2CK/RD1 — Timer2 external clock / GPIO port D1 |
| Pin 28 | T3CK/RD2 — Timer3 external clock / GPIO port D2 |
| Pin 29 | T4CK/RD3 — Timer4 external clock / GPIO port D3 |
| Pin 30 | T5CK/RD4 — Timer5 external clock / GPIO port D4 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage (3.0-5.5 V) |
| Pin 33 | VSS — Ground reference |
| Pin 34 | PWM2L/RE3 — PWM output 2 low-side / GPIO port E3 |
| Pin 35 | PWM3H/RE4 — PWM output 3 high-side / GPIO port E4 |
| Pin 36 | PWM3L/RE5 — PWM output 3 low-side / GPIO port E5 |
| Pin 37 | PWM4H/RE6 — PWM output 4 high-side / GPIO port E6 |
| Pin 38 | PWM4L/RE7 — PWM output 4 low-side / GPIO port E7 |
| Pin 39 | PWM5H/RD12 — PWM output 5 high-side / GPIO port D12 |
| Pin 40 | PWM5L/RD13 — PWM output 5 low-side / GPIO port D13 |
| Pin 41 | PWM6H/RD14 — PWM output 6 high-side / GPIO port D14 |
| Pin 42 | PWM6L/RD15 — PWM output 6 low-side / GPIO port D15 |
| Pin 43 | PGED1/AN6/RB0 — ICSP data / analog input 6 / GPIO port B0 |
| Pin 44 | PGEC1/AN7/RB1 — ICSP clock / analog input 7 / GPIO port B1 |
Typical Applications
DSPIC30F3011T-30I/PT is suitable for 6 applications: BLDC and PMSM Motor Control, Uninterruptible Power Supplies (UPS), Switched-Mode Power Supply (SMPS) Digital Control, Industrial Automation and Sensor Conditioning, Audio Processing and Active Noise Cancellation, Automotive Auxiliary Motor Control.
BLDC and PMSM Motor Control
The DSPIC30F3011T-30I/PT drives three-phase brushless DC and permanent-magnet synchronous motors in the 24-48 V, sub-1 kW range typical of small appliances, HVAC fans and e-bikes. Its 30 MIPS throughput executes Park/Clarke transforms and PI control loops within typical 10-20 kHz control periods, while the integrated 6-channel PWM with 1.04 ns resolution (at 30 MIPS) generates the inverter gating signals. Two analog comparators and the dedicated PWM fault input provide hardware overcurrent protection that latches the PWM in microseconds, critical for safely shutting down the inverter during a shoot-through event. The 24 KB Flash is sufficient for sensorless trapezoidal or field-oriented control libraries.
Recommended
Uninterruptible Power Supplies (UPS)
The DSPIC30F3011T-30I/PT is well matched to small single-phase UPS systems up to 1 kVA, where it controls the inverter stage, performs battery charging loops, and synchronizes the output to the mains. Its 10-bit ADC at 500 ksps samples battery voltage, output current and mains zero-crossing simultaneously, while the 6 PWM channels drive the half-bridge inverter at 16-20 kHz above audible range. The DSP engine executes the SPWM or SVPWM modulation table in real time without DMA, and 1 KB of SRAM buffers one full AC cycle for RMS calculations. Industrial -40C to +85C rating supports outdoor telecom and industrial cabinet installations.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3011T-30I/PT implements digital control of isolated and non-isolated DC-DC converters, including PFC boost stages and LLC resonant converters in the 100 W to 1 kW range. Its 30 MIPS throughput supports average-current-mode control and valley-current-mode control loops at switching frequencies up to 500 kHz when using the high-speed PWM module. The DSP engine accelerates the multiplier-heavy compensation network calculations (Type-II/III compensators), and the 17x17-bit hardware MAC delivers single-cycle math for the PID error term. With 24 KB Flash, complete digital-compensation firmware plus telemetry fits without external memory expansion.
Recommended
Industrial Automation and Sensor Conditioning
Industrial PLC expansion modules, signal conditioners and process-control loops use the DSPIC30F3011T-30I/PT for fast analog-front-end processing, PID control of temperature/pressure/flow loops, and fieldbus interfacing via UART/SPI/I2C. The 10-bit ADC with up to 9 inputs handles multi-channel sensor multiplexing at 500 ksps aggregate, while the DSP engine executes the digital filter (FIR/IIR) for noise rejection on thermocouple and strain-gauge inputs. Operating from 3.0-5.5 V and -40C to +85C, it survives the harsh electrical environment of factory floors with 24 V fieldbus supplies post-regulated to 5 V. The 44-pin TQFP provides enough I/O for digital I/O channels and HMI buttons.
Recommended
Audio Processing and Active Noise Cancellation
The DSPIC30F3011T-30I/PT processes audio-band signals (20 Hz to 20 kHz) for active noise cancellation headphones, speaker crossovers, and small amplifier feedback loops, exploiting its 17x17-bit MAC and single-cycle accumulator. With 30 MIPS throughput, it executes 64-tap FIR filters at 48 kHz sample rate with margin to spare for adaptive LMS coefficient updates. The 10-bit ADC captures microphone input while the PWM channel drives a Class-D amplifier output stage. The 24 KB Flash holds filter coefficients and adaptive algorithm state, while 1 KB SRAM buffers audio frames in real time. Industrial temperature rating supports automotive cabin-mount installations.
Recommended
Automotive Auxiliary Motor Control
The DSPIC30F3011T-30I/PT controls auxiliary DC motors in automotive applications such as HVAC blower fans, water pumps, electric power-steering pumps and seat-position actuators. Although the industrial -I/PT grade is not AEC-Q100 qualified, the same silicon is widely accepted for under-hood non-safety applications where the -40C to +85C range and 30 MIPS performance are adequate. The 6-channel PWM drives H-bridge or three-phase inverter topologies, the ADC samples current for stall detection, and the DSP engine executes torque-ripple compensation. Same-brand drop-in migration to the AEC-Q100 qualified DSPIC33EP variant is straightforward via firmware recompilation when designs upgrade to safety-critical modules.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3011T-30I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3011-30I/PT | DSPIC30F3011T-30I/ML | DSPIC30F3011T-20I/PT | DSPIC30F3011-20I/PT | DSPIC30F3010T-30I/ML |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 30 MIPS | 30 MIPS | 30 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Flash Memory | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 12-bit (upgrade) |
| PWM Channels | 6 | 6 | 6 | 6 | 6 | 6 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tray | Tape & Reel |
Key Differentiators
- Highest CPU throughput in the TQFP-44 dsPIC30F3011 family (vs DSPIC30F3011T-20I/PT)
- Industrial temperature grade support (vs DSPIC30F3011-20E/PT)
- Tape-and-reel packaging for SMT production (vs DSPIC30F3011-30I/PT)
- Integrated DSP engine for single-chip motor control (vs Generic 16-bit MCU (e.g., PIC24FJ64GA002))
Design Notes
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of every VDD/VSS pair (pins 11/12, 32/31, 33). Add a bulk 10 uF tantalum or ceramic at the board power entry. For motor-drive designs with high di/dt switching transients, increase decoupling to 4.7 uF + 0.1 uF per VDD pin and use a star-ground topology where the MCU ground returns directly to the driver section ground. Reference: dsPIC30F3010/3011 datasheet (document 70141F) section on power conditioning.
The TQFP-44 package has a typical theta_JA of approximately 50 C/W on a 4-layer JEDEC test board. At maximum operating current (about 70 mA at 30 MIPS from 5 V), self-heating is well below 1 C above ambient, so no heatsink is required. However, in motor-drive boards where the MCU sits near power MOSFETs dissipating several watts, route thermal copper pours away from the DSC and ensure ambient airflow. Estimated: Pdiss_max ~ 0.35 W at 5 V/70 mA, with 50 C/W theta_JA resulting in only ~17 C junction rise.
Keep the crystal/oscillator traces (OSC1 pin 13, OSC2 pin 14) short (<10 mm), guarded by a ground ring, and away from PWM switching traces. Route PWM outputs (pins 8-10, 34-42) in matched-length pairs to the gate-driver inputs to avoid PWM skew. The ICSP pins (PGED1 pin 43, PGEC1 pin 44) must be accessible via a 2-pin header or test pad for in-circuit debugging without removing the MCU from the board. Reference: Microchip application note AN1078 for sensorless FOC PCB layout recommendations.
Do not leave the MCLR pin (pin 7) floating - tie it high through a 10 kohm resistor with a 0.1 uF cap to VDD for noise immunity. The PWM fault input (pin 15, FLTA) must be configured before enabling the PWM module; otherwise a transient can latch the outputs off. When migrating from -20I to -30I silicon, verify that the PLL configuration register (OSCCON) supports the higher 120 MHz VCO target - incorrect settings can fail oscillator lock at start-up.
The PWM outputs (6 channels, 1.04 ns resolution at 30 MIPS) can generate edge rates of <5 ns. Source-terminate the PWM traces with 22-33 ohm series resistors if the gate-driver input capacitance exceeds 100 pF or if trace length exceeds 50 mm to suppress transmission-line ringing. For analog inputs to the 10-bit ADC, add a 100 ohm series resistor and 1 nF cap to ground forming a low-pass RC at about 1.6 MHz to isolate the ADC sampling capacitor from upstream op-amp outputs.
Compliance Information
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature grade; not AEC-Q100 qualified for automotive safety - choose AEC-Q100 qualified dsPIC33EP variants for automotive safety-critical applications.
