DSPIC30F3011-30I/PT - 30 MIPS 16-bit DSC, 24KB Flash | Microchip
MPN: DSPIC30F3011-30I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.84 | $5.84 |
| 10 | $5.26 | $52.60 |
| 100 | $4.94 | $494.00 |
| 500 | $4.41 | $2,205.00 |
| 1,000 | $3.92 | $3,920.00 |
| 3,000 | $3.51 | $10,530.00 |
DSPIC30F3011-30I/PT Overview
What is a Digital Signal Controller? A Digital Signal Controller (DSC) is a hybrid device that merges the deterministic interrupt response and peripheral richness of a microcontroller (MCU) with the hardware multiply-accumulate (MAC) engine and single-cycle data memory access of a digital signal processor (DSP). Within the broader taxonomy, a DSC sits between general-purpose MCUs and dedicated DSPs, serving applications such as motor control, switched-mode power supply (SMPS) control, and audio processing where both control-loop determinism and signal-processing throughput are required.
Key features include a 17-bit x 17-bit single-cycle hardware multiplier, 40-bit accumulators with optional saturation, 6 PWM channels with duty-cycle resolution down to 8.32 ns at 30 MIPS, a 12-bit Analog-to-Digital Converter (ADC) with up to 9 channels, and dedicated motor-control peripherals including a Quadrature Encoder Interface (QEI). The device operates across the industrial -40C to +85C temperature range.
Architecturally, the DSPIC30F3011 uses a 16-bit data path with an enhanced instruction set that includes DSP-oriented operations (MAC, ED, EDAC) for efficient filter and transform implementations. The integrated DSP engine executes most DSP instructions in a single instruction cycle, enabling real-time closed-loop control algorithms in software without external ASICs.
Typical applications include BLDC and PMSM motor control for HVAC compressors and appliance drives, digital switch-mode power supply (SMPS) control, uninterruptible power supplies (UPS), and industrial variable-frequency drives (VFDs). The wide operating voltage (4.5V to 5.5V) and integrated motor-control PWM make it especially well suited for industrial and appliance-class deployments where 5V tolerance simplifies analog signal-chain design.
Designers should evaluate the application's interrupt latency budget, ADC sampling requirements, and PWM channel count before selecting the DSPIC30F3011-30I/PT versus its lower-pin-count family members. For designs requiring higher throughput than 30 MIPS, the pin-compatible dsPIC33F family offers up to 40 MIPS and on-chip op amps in the same TQFP-44 footprint.
This page synthesizes distributor pricing, drop-in TQFP-44 alternatives, and practical design notes - including 5V analog signal-chain considerations and motor-control PWM trade-offs - that go beyond the manufacturer datasheet summary.
Drop-in alternatives for DSPIC30F3011-30I/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 DSPIC30F3011-30I/PT (same form factor and footprint) — differing in ADC, Package, Core Architecture, MSL Level, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F3011-20I/PT
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →DSPIC30F3011-30I/P
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →DSPIC30F3010T-30I/ML
✅ Drop-In✓ In Stock
$3.99 / Unit
View Datasheet →DSPIC30F3010-30I/SO
✅ Drop-In✓ In Stock
$5.64 / Unit
View Datasheet →DSPIC30F3010-30I/ML
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →DSPIC30F3011-30I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC30F Modified Harvard |
| Instruction Set | 16-bit data path with DSP extensions (MAC, EDAC) |
| Max CPU Speed | 30 MIPS (at 120 MHz internal from 7.37 MHz or 10 MHz external) |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 1 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Digital I/O Pins | 21 (TQFP-44 package variant) |
| PWM Channels | 6 (3 complementary pairs, 8.32 ns resolution at 30 MIPS) |
| ADC | 12-bit, up to 9 input channels, 200 ksps |
| Quadrature Encoder Interface (QEI) | 1 module |
| UART / SPI / I2C | 2 UART, 1 SPI, 1 I2C |
| Package | 44-pin TQFP (PT), 10 mm x 10 mm, 0.80 mm height |
| Multiplier | 17-bit x 17-bit single-cycle hardware |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
DSPIC30F3011-30I/PT Pin Configuration
| Pin 1 | SDA/RG0 — I2C data / general digital I/O |
| Pin 2 | SCL/RG1 — I2C clock / general digital I/O |
| Pin 3 | MCLR — Master Clear (reset) input, active low |
| Pin 4 | RA0/AN0 — Analog input 0 / general digital I/O |
| Pin 5 | RA1/AN1 — Analog input 1 / general digital I/O |
| Pin 6 | RA2/AN2 — Analog input 2 / general digital I/O |
| Pin 7 | RA3/AN3 — Analog input 3 / general digital I/O |
| Pin 8 | RA4/AN4 — Analog input 4 / general digital I/O |
| Pin 9 | AVDD — Analog supply voltage (5V) |
| Pin 10 | AVSS — Analog ground |
| Pin 11 | VDD — Digital supply voltage (4.5V to 5.5V) |
| Pin 12 | VSS — Digital ground |
| Pin 13 | RB0/AN8 — Analog input 8 / general digital I/O |
| Pin 14 | RB1/AN9 — Analog input 9 / general digital I/O |
| Pin 15 | RB2/AN10 — Analog input 10 / general digital I/O |
| Pin 16 | RB3/AN11 — Analog input 11 / general digital I/O |
| Pin 17 | RB4/AN12 — Analog input 12 / general digital I/O |
| Pin 18 | RB5/AN13 — Analog input 13 / general digital I/O |
| Pin 19 | RB6/AN14 — Analog input 14 / general digital I/O |
| Pin 20 | RB7/AN15 — Analog input 15 / general digital I/O |
| Pin 21 | RC13 — General digital I/O |
| Pin 22 | RC14 — General digital I/O |
| Pin 23 | RD8 — General digital I/O |
| Pin 24 | RD9 — General digital I/O |
| Pin 25 | RD10 — General digital I/O |
| Pin 26 | RD11 — General digital I/O |
| Pin 27 | RD12 — General digital I/O |
| Pin 28 | RD13 — General digital I/O |
| Pin 29 | RD14 — General digital I/O |
| Pin 30 | RD15 — General digital I/O |
| Pin 31 | RE0 — General digital I/O |
| Pin 32 | RE1 — General digital I/O |
| Pin 33 | RE2 — General digital I/O |
| Pin 34 | RE3 — General digital I/O |
| Pin 35 | RE4 — General digital I/O |
| Pin 36 | RE5 — General digital I/O |
| Pin 37 | RE6 — General digital I/O |
| Pin 38 | RE7 — General digital I/O |
| Pin 39 | RF0 — General digital I/O |
| Pin 40 | RF1 — General digital I/O |
| Pin 41 | RF2 — General digital I/O |
| Pin 42 | RF3 — General digital I/O |
| Pin 43 | RF4 — General digital I/O |
| Pin 44 | RF5 — General digital I/O |
Typical Applications
DSPIC30F3011-30I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Switch-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS), Industrial Variable-Frequency Drive (VFD), HVAC Compressor and Fan Drive, Appliance Motor Control (Washing Machine / Dishwasher).
BLDC / PMSM Motor Control
The DSPIC30F3011-30I/PT is purpose-built for BLDC and PMSM motor control. Its 6 PWM channels with 8.32 ns resolution at 30 MIPS provide 3 complementary pairs for direct 3-phase inverter gate drive, and the integrated Quadrature Encoder Interface (QEI) handles incremental encoder feedback for rotor position and speed estimation. The 4.5V to 5.5V native supply simplifies interface to 5V gate drivers and analog current-sense amplifiers, eliminating level shifters in the feedback path.
Recommended
Switch-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3011-30I/PT enables fully digital control of forward, flyback, and PFC boost converters. Its 30 MIPS throughput runs voltage-mode and peak-current-mode control loops at 100 kHz+ switching frequencies, while the 12-bit ADC with 200 ksps samples output voltage and current with sub-1% resolution. The 17-bit hardware MAC executes digital compensator (Type-II/Type-III) and input voltage feed-forward calculations in single-cycle latency, improving transient response over analog UC3842 designs.
Recommended
Uninterruptible Power Supply (UPS)
In on-line and line-interactive UPS designs, the DSPIC30F3011-30I/PT manages inverter control, battery charging, and AC output regulation from a single IC. The DSP engine runs RMS voltage calculation, PLL synchronization to mains, and SPWM generation for the inverter stage in real time. The wide 5V supply tolerance interfaces directly to 5V bias rails derived from the 12V/24V battery bus, and the 24KB Flash holds full state-of-charge algorithms plus the user-interface menu.
Recommended
Industrial Variable-Frequency Drive (VFD)
The DSPIC30F3011-30I/PT serves as the control MCU in low-power industrial VFDs (up to ~1 kW). It runs sensorless field-oriented control (FOC) using the ADC for current sensing and BEMF estimation in the back-EMF zero-crossing observer. The 6 PWM channels drive the IGBT/MOSFET inverter, and the QEI supports incremental encoder feedback when used in closed-loop servo mode. Industrial -40C to +85C operation matches factory-floor thermal requirements.
Recommended
HVAC Compressor and Fan Drive
The DSPIC30F3011-30I/PT powers variable-speed compressor and fan drives in HVAC systems, where it executes constant-torque or constant-airflow control algorithms. The 5V analog-friendly design simplifies interface to 5V thermistor and pressure sensor networks used in refrigeration feedback loops. The 24KB Flash holds manufacturer-specific refrigerant curve tables and fault-diagnostic logs, while the 1KB EEPROM stores commissioning parameters without battery backup.
Recommended
Appliance Motor Control (Washing Machine / Dishwasher)
White-goods appliance motor controllers use the DSPIC30F3011-30I/PT for direct-drive washing machine drum motors and dishwasher circulation pumps. Its integrated DSP instructions execute Kalman-filter sensorless FOC and trapezoidal commutation in less than 10 us per control cycle, leaving headroom for UI handling and safety diagnostics on the same MCU. The 5V tolerance and -40C to +85C industrial range meet IEC 60335 household appliance safety standards.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3011-30I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3011-20I/PT | DSPIC30F3011-30I/P | DSPIC30F3010T-30I/ML | DSPIC30F3010-30I/SO | DSPIC30F3010-30I/ML |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same family, 40-pin PDIP variant differs | TQFP-44 (PT) - same family, QFN-44 variant | TQFP-44 (PT) - same family, SO-28 variant | TQFP-44 (PT) - same family, QFN-44 variant |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max CPU Speed | 30 MIPS | 20 MIPS (-33%) | 30 MIPS (same) | 30 MIPS (same) | 30 MIPS (same) | 30 MIPS (same) |
| Program Flash | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| PWM Channels | 6 | 6 | 6 | 6 | 6 | 6 |
| ADC | 12-bit, 9 ch, 200 ksps | 12-bit, 9 ch, 200 ksps | 12-bit, 9 ch, 200 ksps | 12-bit, 8 ch, 200 ksps | 12-bit, 8 ch, 200 ksps | 12-bit, 8 ch, 200 ksps |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- 30 MIPS in a 5V-native 16-bit DSC with TQFP-44 footprint (vs DSPIC30F3010-30I/SO)
- Integrated Quadrature Encoder Interface (QEI) for closed-loop motor control (vs DSPIC30F2020-30I/MM)
- Higher-throughput DSP engine with 24KB Flash for full FOC implementations (vs DSPIC30F3010T-30I/ML)
Design Notes
The DSPIC30F3011-30I/PT requires a stable 4.5V to 5.5V supply on VDD and AVDD. Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor within 5 mm of each VDD/VSS pin pair (TQFP-44 has multiple VDD pins at pins 11, 28, 44). Estimated: at 30 MIPS full peripheral activity the core draws approximately 25 mA (0.13 W at 5V), so a 5V LDO with at least 100 mA capacity and 200 mV dropout headroom is recommended.
TQFP-44 layout requires 0.8 mm pitch traces and 0.4 mm via-in-pad if using a 4-layer stack-up. Route the analog AVSS and digital VSS as separate nets back to a single star-point ground under the IC to avoid digital switching noise coupling into ADC inputs. Keep ADC trace lengths under 25 mm and guard with a ground ring for best 12-bit ENOB performance in motor-current sensing applications.
Do not exceed the absolute maximum VDD of 5.5V (the DSPIC30F is a 5V-native part, unlike the 3.3V DSPIC33F family). When migrating code from a DSPIC33F design, the configuration bits for the oscillator and watchdog must be re-validated because the default PLL settings differ between families. Also, the PWM fault-input pin mapping on the TQFP-44 package differs from the 28-pin SPDIP variant - always re-pin your schematic when porting layouts between packages.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - this is an industrial/consumer grade part. Halogen-free status not explicitly confirmed in the retrieved web data.
