DSPIC30F4011-30I/PT - 30 MIPS 16-bit DSC, 48KB Flash | Microchip
MPN: DSPIC30F4011-30I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.5 | $65.00 |
| 100 | $5.78 | $578.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.65 | $4,650.00 |
DSPIC30F4011-30I/PT Overview
A Digital Signal Controller is a hybrid MCU/DSP that combines a microcontroller's deterministic control peripherals with a DSP engine's MAC (multiply-accumulate) capability. In the broader taxonomy, the dsPIC30F sits as: DSC -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The DSP engine executes single-cycle MAC operations, allowing closed-loop control loops (PID, FOC, space-vector modulation) to be implemented in firmware rather than external analog hardware.
Key features include a 1 Msps 10-bit ADC with up to 9 analog input channels, six motor-control PWM outputs with complementary mode and programmable dead time, a quadrature encoder interface (QEI), a CAN 2.0B module, two UARTs, two SPI ports, and one I2C port. The -30I suffix indicates the 30 MIPS speed grade and the industrial -40C to +85C operating temperature range. The PT suffix denotes the 44-lead TQFP package supplied in trays. According to the dsPIC30F4011/4012 datasheet (Microchip document 70135G), the part is purpose-built for AC induction, BLDC, and PMSM motor control.
Architecturally, the device pairs a 16-bit modified Harvard RISC CPU with a DSP engine that supports fractional and integer arithmetic in a single instruction. On-chip peripherals are mapped through a peripheral interrupt controller that supports five user-selectable priority levels, enabling deterministic response for time-critical control loops.
Typical applications include brushless DC motor drives, uninterruptible power supplies (UPS), variable-frequency drives (VFDs), power-factor-correction converters, automotive sensor interfaces, and industrial automation controllers. The wide operating voltage range also permits direct connection to 5 V industrial buses without level shifters.
When designing with this part, ensure the JTAG/ICSP programming interface is accessible on production PCBs and that the analog and digital ground planes are joined at a single point near the device's AGND pin. The CAN bus requires an external transceiver such as the MCP2551 or TJA1050, since the dsPIC30F4011 only integrates the CAN protocol controller.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same dsPIC30F family, and practical design notes not consolidated on the manufacturer datasheet.
Drop-in alternatives for DSPIC30F4011-30I/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 DSPIC30F4011-30I/PT (same form factor and footprint) — differing in ADC, Core Architecture, Operating Temperature, Operating Voltage, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4012-30I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011-30I/PTG
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F4013-30I/PT
✅ Drop-In✓ In Stock
$6.78 / Unit
View Datasheet →DSPIC30F5011-50I
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F6010-30I
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F4011-30I/PT Maximum Ratings & Electrical Characteristics
| Product Family | dsPIC30F |
| Core Architecture | 16-bit DSC (modified Harvard RISC + DSP engine) |
| CPU Speed (MIPS) | 30 MIPS |
| Program Memory (Flash) | 48 KB |
| Data Memory (SRAM) | 2 KB |
| EEPROM | 1 KB |
| Operating Voltage | 2.5 V to 5.5 V |
| ADC | 10-bit, up to 1 Msps, 9 channels |
| Motor Control PWM | 6 outputs, complementary mode, programmable dead time |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN Module | CAN 2.0B (protocol layer; external transceiver required) |
| UART | 2 |
| SPI | 2 |
| I2C | 1 |
| Timers | 5 x 16-bit |
| Operating Temperature | -40C to +85C (industrial, -I grade) |
| Package | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| Speed Grade Suffix | -30 (30 MIPS) |
| Temperature Grade Suffix | -I (industrial -40C to +85C) |
| RoHS Status | Compliant |
DSPIC30F4011-30I/PT Pin Configuration
| Pin 1 | AN0/VREF+/CVREF+/PWM1H/RB0 — Analog input 0 / PWM 1 high output |
| Pin 2 | AN1/VREF-/PWM1L/RB2 — Analog input 1 / PWM 1 low output |
| Pin 3 | AN2/PWM2H/RB3 — Analog input 2 / PWM 2 high output |
| Pin 4 | AN3/PWM2L/RB4 — Analog input 3 / PWM 2 low output |
| Pin 5 | AN4/PWM3H/RB5 — Analog input 4 / PWM 3 high output |
| Pin 6 | AN5/PWM3L/RB6 — Analog input 5 / PWM 3 low output |
| Pin 7 | VSS — Digital ground |
| Pin 8 | OSC1/CLKIN/RC12 — Crystal oscillator input / external clock |
| Pin 9 | OSC2/CLKOUT/RC15 — Crystal oscillator output / system clock out |
| Pin 10 | TDI/RA9 — JTAG test data in / GPIO |
| Pin 11 | TCK/RA4 — JTAG test clock / GPIO |
| Pin 12 | TMS/RB7 — JTAG test mode select / GPIO |
| Pin 13 | TDO/RA8 — JTAG test data out / GPIO |
| Pin 14 | RA10 — GPIO only |
| Pin 15 | MCLR — Master clear (reset, active low) |
| Pin 16 | RC13/EMUC2 — ICSP enhanced clock |
| Pin 17 | EMUD2/RB1 — ICSP enhanced data 2 |
| Pin 18 | RC14/EMUC1 — ICSP enhanced clock 1 |
| Pin 19 | EMUD1/RB8 — ICSP enhanced data 1 |
| Pin 20 | VDD — Digital supply voltage (2.5-5.5 V) |
| Pin 21 | VSS — Digital ground |
| Pin 22 | FLTA/RA5 — PWM fault A input |
| Pin 23 | QEA/RA0 — Quadrature encoder A input |
| Pin 24 | QEB/RB9 — Quadrature encoder B input |
| Pin 25 | INDX/RA1 — Quadrature encoder index input |
| Pin 26 | HOME/RA2 — QEI home input |
| Pin 27 | PWM4H/RD1 — PWM 4 high output |
| Pin 28 | PWM4L/RD2 — PWM 4 low output |
| Pin 29 | PWM5H/RD3 — PWM 5 high output |
| Pin 30 | PWM5L/RC6 — PWM 5 low output |
| Pin 31 | PWM6H/RD4 — PWM 6 high output |
| Pin 32 | PWM6L/RD5 — PWM 6 low output |
| Pin 33 | C1RX/RF0 — CAN 1 receive input |
| Pin 34 | C1TX/RF1 — CAN 1 transmit output |
| Pin 35 | U1RX/RF2 — UART 1 receive / I/O |
| Pin 36 | U1TX/RF3 — UART 1 transmit / I/O |
| Pin 37 | U2RX/RF4 — UART 2 receive / I/O |
| Pin 38 | U2TX/RF5 — UART 2 transmit / I/O |
| Pin 39 | SDA1/RG3 — I2C 1 data |
| Pin 40 | SCL1/RG2 — I2C 1 clock |
| Pin 41 | SDO1/RF8 — SPI 1 data out |
| Pin 42 | SDI1/RF7 — SPI 1 data in |
| Pin 43 | SCK1/RF6 — SPI 1 clock |
| Pin 44 | VDD — Digital supply voltage (2.5-5.5 V) |
Typical Applications
DSPIC30F4011-30I/PT is suitable for 7 applications: Brushless DC (BLDC) Motor Drive, Permanent Magnet Synchronous Motor (PMSM) Field-Oriented Control, Uninterruptible Power Supply (UPS) Controller, Variable-Frequency Drive (VFD) for AC Induction Motors, Power-Factor-Correction Converter Controller, Industrial Automation Controller / Sensor Hub, Automotive Sensor Interface and Sensorless BLDC Pumps.
Brushless DC (BLDC) Motor Drive
The DSPIC30F4011-30I/PT is purpose-built for 3-phase BLDC motor control, leveraging its 30 MIPS DSP engine and 1 Msps 10-bit ADC to execute sensorless back-EMF zero-crossing detection and trapezoidal commutation in firmware. Its six motor-control PWM outputs deliver complementary pairs with programmable dead time (typically 1-2 us at 20 kHz switching), eliminating external gate-driver dead-band circuits. Placed between Hall/encoder feedback inputs and the 3-phase inverter FET bridge, the DSC closes the torque loop at firmware-defined PWM frequency; unlike a generic MCU, it adds a single-cycle MAC instruction that halves the CPU load for field-oriented-control math.
Recommended
Permanent Magnet Synchronous Motor (PMSM) Field-Oriented Control
For PMSM field-oriented control, the DSPIC30F4011-30I/PT executes Clarke/Park transforms and inverse transforms on its single-cycle DSP engine, achieving current-loop bandwidths up to 5 kHz at 30 MIPS. The on-chip QEI module decodes incremental encoder signals up to 2 MHz, providing rotor-position feedback for synchronous frame alignment. The 2 KB SRAM supports two sin/cos look-up tables and intermediate Park-transform variables; unlike external DSP+MCU architectures, the integrated DSC eliminates inter-chip latency.
Recommended
Uninterruptible Power Supply (UPS) Controller
In online UPS systems the DSPIC30F4011-30I/PT implements digital sine-PWM generation and closed-loop output voltage regulation at 50/60 Hz with less than 3% THD. The 10-bit ADC samples the inverter output and battery current at 1 Msps to maintain regulation under step loads, while the CAN bus reports status to the host. With 48 KB Flash, the firmware fits full IEC 62040-2-99 controller logic including soft-start, transfer-switch sequencing and battery health monitoring; unlike pure analog controllers, it adds software-configurable trip curves.
Recommended
Variable-Frequency Drive (VFD) for AC Induction Motors
For AC induction motor VFDs, the DSPIC30F4011-30I/PT generates sinusoidal PWM with V/f or sensorless vector control across the full 0-50 Hz output range. The DSP engine computes the slip-frequency estimator in a single MAC cycle, allowing sub-Hz output resolution; the 1 Msps ADC reads motor current on two phases simultaneously with simultaneous-sampling. Placed between the line-side rectifier and the IGBT inverter stage, the DSC delivers sensorless operation down to ~10% rated speed; unlike 8-bit MCUs, it supports RFC (rotor-flux control) without firmware patches.
Recommended
Power-Factor-Correction Converter Controller
In active power-factor-correction front ends, the DSPIC30F4011-30I/PT implements average-current-mode PFC control at 100/120 kHz switching frequency with less than 5% THD on the line current. The DSP engine executes the multiplier and integrator stages of the current loop in a single cycle, achieving >0.99 power factor across 100-240 V rms input. The 9-channel ADC samples input voltage, input current and output voltage simultaneously; unlike analog UCC28019-class controllers, the digital DSC supports programmable soft-start and brown-out thresholds.
Recommended
Industrial Automation Controller / Sensor Hub
The DSPIC30F4011-30I/PT serves as a CAN-connected industrial sensor hub, processing analog inputs (4-20 mA loop-powered transmitters) through its 10-bit ADC and reporting data over CAN 2.0B at 1 Mbit/s. The 5 V tolerant I/O ports link to 5 V industrial sensors without level shifters, while the -40C to +85C industrial temperature grade supports cabinet-mounted installations. With 48 KB Flash and 1 KB EEPROM, the firmware stores calibration data and supports OTA parameter updates via CANopen or DeviceNet; unlike 32-bit Cortex-M0+SCs, it adds a DSP engine for vibration/FFT analysis.
Recommended
Automotive Sensor Interface and Sensorless BLDC Pumps
For 12 V sensorless BLDC water/oil pumps in automotive applications, the DSPIC30F4011-30I/PT executes back-EMF zero-crossing commutation firmware in 48 KB while drawing 4.7 mA active at 5 V. The CAN 2.0B module interfaces to the vehicle bus; the industrial -I temperature grade supports under-bonnet thermal environments. The DSP engine computes commutation points in single-cycle MACs; unlike discrete analog comparators, the firmware allows parameter tuning over CAN without board rework.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011-30I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-30I/PT | DSPIC30F4013-30I/PT | DSPIC30F5011-50I |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| CPU Speed (MIPS) | 30 MIPS | 30 MIPS | 30 MIPS | 50 MIPS |
| Flash Memory | 48 KB | 48 KB | 96 KB | 66 KB |
| SRAM | 2 KB | 2 KB | 4 KB | 8 KB |
| EEPROM | 1 KB | 1 KB | 8 KB | 4 KB |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| ADC | 10-bit, 1 Msps, 9 channels | 10-bit, 1 Msps, 9 channels | 12-bit, 200 ksps, 8 channels | 10-bit, 1 Msps, 16 channels |
| Motor Control PWM | 6 outputs | 6 outputs | 8 outputs | 8 outputs |
| CAN Module | 1 x CAN 2.0B | 1 x CAN 2.0B | 2 x CAN 2.0B | 1 x CAN 2.0B |
| Temperature Grade | Industrial (-40C to +85C) | Industrial | Industrial | Industrial |
Key Differentiators
- Single-chip MCU + DSP engine for closed-loop motor control (vs DSPIC30F4013-30I/PT)
- Smaller flash footprint reduces firmware complexity (vs DSPIC30F5011-50I)
- Single CAN 2.0B controller sufficient for most motor-control networks (vs DSPIC30F4013-30I/PT)
- 1 Msps ADC supports higher PWM rates than newer families (vs DSPIC30F4013-30I/PT)
Design Notes
Place decoupling capacitors (100 nF ceramic + 10 uF tantalum) within 5 mm of every VDD pin (pin 20 and pin 44) and a single 1 uF tantalum bulk capacitor at the package. Join the AGND and DGND pins to a single ground star-point under the IC; avoid daisy-chained ground returns, which inject switching-edge ringing into the 10-bit ADC inputs. The 44-pin TQFP requires a thermal pad copper pour under the package body to spread heat at full 30 MIPS CPU load, even though the device is not power-limited.
Do not connect the dsPIC30F4011 CAN_TX/CAN_RX pins directly to the bus - the on-chip CAN module is the protocol layer only and requires an external transceiver such as the MCP2551, MCP2561, or TJA1050 with proper bus termination (120 ohm at each end). Exposing the 5 V-tolerant logic pins to 12 V CAN_H/CAN_L will permanently damage the IC. Additionally, configure the ADC simultaneously-sampling mode with the correct SHUTALT register bit if reading two motor phase currents at once - failure to do so introduces phase-error in FOC firmware.
Estimated: at 30 MIPS active mode the dsPIC30F4011-30I/PT draws ~25 mA at 5 V (typ), giving Pdiss = 125 mW; at 2.5 V operation Pdiss drops to ~60 mW. The 44-pin TQFP has theta_JA of approximately 50 C/W on a standard 4-layer PCB, yielding a junction temperature rise of ~6 C at 5 V full load - well within the 125 C junction spec, so no heatsink is required. At extended temperature operation (-40C to +125C), ensure the PCB thermal design provides at least 1 oz copper ground pour for additional margin.
Keep motor-drive PWM traces (pins 27-32) short to the gate-driver inputs and physically separate them from the ADC analog traces (pins 1-6). Place the 4-layer PCB stack-up with continuous ground plane on layer 2 immediately below the top signal layer to provide a low-impedance return path. The crystal oscillator traces (OSC1, OSC2) must be routed with a guard ring and length-matched within 1 mm of each other to maintain 10 MHz oscillator stability; the dsPIC30F4011 datasheet (document 70135G) recommends a 6 pF-33 pF crystal load capacitor for typical 7.37 MHz fundamental crystals.
Compliance Information
RoHS and lead-free per Microchip product page; AEC-Q100 not applicable as this is an industrial-grade DSC - for automotive choose a dsPIC33F AEC-Q100 part. Pb-free packaging variants available as DSPIC30F4011-30I/PTG.