DSPIC30F5015T-20I/PT - 16-Bit 20MIPS 66KB Flash DSC | Microchip
MPN: DSPIC30F5015T-20I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10.1 | $1,010.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.2 | $8,200.00 |
DSPIC30F5015T-20I/PT Overview
A Digital Signal Controller is a class of embedded processor that merges a deterministic microcontroller core with dedicated DSP math resources (single-cycle MAC, barrel shifter, multiple operand fetch). The dsPIC30F family specifically targets motor control, power conversion, and sensor conditioning where closed-loop PID math, Clarke/Park transforms, and high-frequency PWM must coexist with serial communication stacks. As a member of the broader DSC hierarchy (DSC -> microcontroller -> embedded processor -> semiconductor), it occupies a niche between classic 8/16-bit MCUs and 32-bit ARM Cortex parts.
Key features include a modified Harvard architecture with separate program and data buses, hardware multiply-accumulate (MAC) supporting fractional and integer math, a 10/12-bit ADC, multiple PWM modules, and communication peripherals including CAN, I2C, SPI, and UART/USART. The integrated motor-control PWM supports complementary outputs with programmable dead time, ideal for 3-phase inverter drives. The 20 MIPS throughput at the rated instruction rate of 20 MHz (4 MHz internal oscillator with 4x PLL) provides adequate headroom for field-oriented control loops at typical PWM frequencies.
Typical applications include BLDC and PMSM motor drives, industrial servo controllers, sensorless fan/pump controllers, power-factor-corrected AC/DC converters, and automotive body/auxiliary ECUs. The wide operating voltage range (2.5 V to 5.5 V) and industrial temperature grade allow deployment in factory-floor and automotive under-hood environments.
When designing with this DSC, allocate the 66 KB Flash carefully because library code (motor-control math, communication stacks) can quickly consume program space. Plan the 2 KB SRAM for the DSP scratch buffers and Modbus/CAN message queues, and use the 1 KB EEPROM only for non-volatile calibration constants to maximize write-cycle endurance.
This page synthesizes verified distributor stock data, parametric alternatives, and engineering design notes that go beyond the manufacturer datasheet summary.
Drop-in alternatives for DSPIC30F5015T-20I/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 DSPIC30F5015T-20I/PT (same form factor and footprint) — differing in Core Architecture, ADC, Timers, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F5015-30I/PT
✅ Drop-In✓ In Stock
$7.8 / Unit
View Datasheet →DSPIC30F5015T-20E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F5015-20E/PT
✅ Drop-In✓ In Stock
$5.97 / Unit
View Datasheet →DSPIC30F501130IP
✅ Drop-In✓ In Stock
$7.95 / Unit
View Datasheet →DSPIC30F5011-30I/PT
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →DSPIC30F5015T-20I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F (16-bit modified Harvard) |
| Core Type | dsPIC DSC (Digital Signal Controller) |
| Maximum CPU Speed | 20 MIPS |
| Instruction Cycle Time | 50 ns |
| Program Memory (Flash) | 66 KB (22K x 24) |
| Data Memory (SRAM) | 2 KB |
| Non-Volatile Memory (EEPROM) | 1 KB |
| Operating Voltage Range | 2.5 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape and Reel |
| Communication Interfaces | CAN, I2C, SPI, UART/USART |
| RoHS Status | Compliant (Pb-Free) |
DSPIC30F5015T-20I/PT Pin Configuration
| Pin 1 | MCLR — Master Clear (Reset) input, active-low |
| Pin 2 | AN0/VREF+/CVREF — Analog input 0 / Positive voltage reference |
| Pin 3 | AN1/VREF- — Analog input 1 / Negative voltage reference |
| Pin 4 | AN2 — Analog input 2 |
| Pin 5 | AN3 — Analog input 3 |
| Pin 6 | AN4 — Analog input 4 |
| Pin 7 | VDD — Positive digital supply (2.5-5.5 V) |
| Pin 8 | VSS — Digital ground |
| Pin 9 | OSC1/CLKIN — Oscillator crystal input or external clock |
| Pin 10 | OSC2/CLKOUT — Oscillator crystal output or clock out |
| Pin 11 | INT0 — External interrupt 0 |
| Pin 12 | INT1 — External interrupt 1 |
| Pin 13 | INT2 — External interrupt 2 |
| Pin 14 | TMR1 — Timer1 external clock input |
| Pin 15 | TMR2 — Timer2 external clock input |
| Pin 16 | TMR3 — Timer3 external clock input |
| Pin 17 | U1RX — UART1 receive |
| Pin 18 | U1TX — UART1 transmit |
| Pin 19 | AVDD — Positive analog supply |
| Pin 20 | AVSS — Analog ground |
| Pin 21 | PWM1H — PWM1 high-side output |
| Pin 22 | PWM1L — PWM1 low-side output |
| Pin 23 | PWM2H — PWM2 high-side output |
| Pin 24 | PWM2L — PWM2 low-side output |
| Pin 25 | PWM3H — PWM3 high-side output |
| Pin 26 | PWM3L — PWM3 low-side output |
| Pin 27 | FLTA — PWM fault A input |
| Pin 28 | VDD — Positive digital supply |
| Pin 29 | VSS — Digital ground |
| Pin 30 | C1RX — CAN1 receive |
| Pin 31 | C1TX — CAN1 transmit |
| Pin 32 | IC1 — Input capture 1 |
| Pin 33 | IC2 — Input capture 2 |
| Pin 34 | IC3 — Input capture 3 |
| Pin 35 | IC4 — Input capture 4 |
| Pin 36 | OC1 — Output compare 1 |
| Pin 37 | OC2 — Output compare 2 |
| Pin 38 | OC3 — Output compare 3 |
| Pin 39 | OC4 — Output compare 4 |
| Pin 40 | SS1 — SPI1 slave select |
| Pin 41 | SCK1 — SPI1 clock |
| Pin 42 | SDO1 — SPI1 data out |
| Pin 43 | SDI1 — SPI1 data in |
| Pin 44 | SCL — I2C clock |
| Pin 45 | SDA — I2C data |
| Pin 46 | U2RX — UART2 receive |
| Pin 47 | U2TX — UART2 transmit |
| Pin 48 | FLTB — PWM fault B input |
| Pin 49 | PGD — Programming data (ICD) |
| Pin 50 | PGC — Programming clock (ICD) |
| Pin 51 | RB0 — Port B bit 0 (digital I/O) |
| Pin 52 | RB1 — Port B bit 1 (digital I/O) |
| Pin 53 | RB2 — Port B bit 2 (digital I/O) |
| Pin 54 | RB3 — Port B bit 3 (digital I/O) |
| Pin 55 | RB4 — Port B bit 4 (digital I/O) |
| Pin 56 | VDD — Positive digital supply |
| Pin 57 | VSS — Digital ground |
| Pin 58 | RC13 — Port C bit 13 (digital I/O) |
| Pin 59 | RC14 — Port C bit 14 (digital I/O) |
| Pin 60 | RD0 — Port D bit 0 (digital I/O) |
| Pin 61 | RD1 — Port D bit 1 (digital I/O) |
| Pin 62 | RF0 — Port F bit 0 (digital I/O) |
| Pin 63 | RF1 — Port F bit 1 (digital I/O) |
| Pin 64 | RG0 — Port G bit 0 (digital I/O) |
Typical Applications
DSPIC30F5015T-20I/PT is suitable for 7 applications: BLDC and PMSM Motor Drive, Industrial Servo Controller, Power Factor Correction (PFC) Converter, Sensorless Fan and Pump Controller, Automotive Auxiliary ECU, Solar Micro-Inverter, Industrial Sensor Signal Conditioning.
BLDC and PMSM Motor Drive
The DSPIC30F5015T-20I/PT's 20 MIPS DSP throughput and integrated motor-control PWM make it ideal for BLDC and PMSM motor drives in appliances and industrial equipment. Its hardware multiply-accumulate executes Park/Clarke transforms in single-cycle time, enabling 20 kHz FOC loops with current sensing on integrated ADC channels. The 66 KB Flash accommodates the FOC library plus CANopen or Modbus stack, while the 64-pin TQFP package fits within the standard 50x50 mm motor-control PCB. Operating from 2.5 V to 5.5 V, it interfaces directly with 3.3 V gate drivers or legacy 5 V position sensors commonly found in BLDC motor assemblies.
Recommended
Industrial Servo Controller
For industrial servo controllers driving stepper or servo motors, the DSPIC30F5015T-20I/PT provides the deterministic DSP performance required for closed-loop position control at 1-4 kHz update rates. Its quadrature encoder interface, PWM with complementary outputs, and CAN bus peripheral enable integration into multi-axis servo networks. The 20 MIPS throughput handles the PID loop plus trajectory planner simultaneously, while the 2 KB SRAM is sufficient for command buffers and encoder counters. Industrial temperature grade (-40C to +85C) and 5 V tolerance ensure reliable operation in factory-floor cabinets alongside variable-frequency drives and motor contactors.
Recommended
Power Factor Correction (PFC) Converter
The DSPIC30F5015T-20I/PT is well-suited for digital PFC controllers in AC/DC power supplies up to approximately 1-2 kW. Its DSP engine executes the average-current-mode control loop and RMS calculations at the typical 50-100 kHz switching frequency, while the high-speed ADC samples inductor current and input voltage. The PWM module provides the leading-edge modulation required for boost PFC topologies with duty-cycle clamping. With 66 KB Flash, engineers can implement PFC plus auxiliary housekeeping (fan control, supervisory telemetry) on a single MCU, reducing BOM cost in server PSU and industrial rectifier designs.
Recommended
Sensorless Fan and Pump Controller
In sensorless BLDC fan and pump controllers, the DSPIC30F5015T-20I/PT replaces mechanical Hall sensors with back-EMF zero-crossing detection implemented in firmware. The integrated ADC captures back-EMF voltage during PWM off-time, and the DSP core runs the commutation algorithm at 20 MIPS. With 1 KB EEPROM, manufacturers can store custom speed curves and motor parameters per SKU, enabling one platform for multiple fan/pump models. The 64-pin TQFP package is the industry standard footprint for HVAC blower control boards, allowing drop-in migration from legacy 8-bit PIC designs to DSP-based control.
Recommended
Automotive Auxiliary ECU
The DSPIC30F5015T-20I/PT powers automotive auxiliary ECUs such as electric water pumps, oil pumps, HVAC blowers, and active grille shutters. Its CAN bus peripheral integrates with the vehicle CAN network, while the motor-control PWM drives 12 V BLDC actuators at up to several hundred watts. Industrial temperature grade -40C to +85C covers most cabin and under-hood auxiliary zones, and the wide 2.5-5.5 V supply tolerates automotive load-dump transients when paired with an external TVS. The 66 KB Flash supports AUTOSAR-compatible or OEM-proprietary communication stacks alongside the motor-control firmware.
Recommended
Solar Micro-Inverter
Single-panel solar micro-inverters (typically 250-400 W) use the DSPIC30F5015T-20I/PT as the primary control MCU for MPPT and grid-tie inverter functions. Its DSP engine implements Perturb-and-Observe or Incremental Conductance MPPT at 1-10 kHz, while the PWM module generates the 50/60 Hz sinusoidal grid-tie waveform with anti-islanding protection. The 66 KB Flash is sufficient for the inverter control loop, MPPT algorithm, and grid-synchronization PLL. CAN or UART interface enables module-level monitoring via power-line communication or dedicated monitoring bus. Industrial temperature grade supports rooftop outdoor enclosure deployment.
Recommended
Industrial Sensor Signal Conditioning
For industrial sensor signal conditioning hubs, the DSPIC30F5015T-20I/PT provides on-chip DSP filtering for accelerometer, load cell, and pressure sensor arrays. Its hardware MAC executes FIR/IIR filters in real time at 20 MIPS, enabling multi-channel sensor fusion at 1 kHz update rates. The UART and CAN interfaces aggregate processed sensor data for upstream PLCs or industrial IoT gateways. With 2 KB SRAM, the device handles ring buffers for 4-8 simultaneous sensor channels, and the 5 V analog supply tolerance simplifies interface to legacy industrial transducers without external level shifters.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F5015T-20I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F5015-30I/PT | DSPIC30F5015T-20E/PT | DSPIC30F5015-20E/PT | DSPIC30F501130IP | DSPIC30F5011-30I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) |
| Maximum CPU Speed | 20 MIPS | 30 MIPS (+50%) | 20 MIPS (same) | 20 MIPS (same) | 30 MIPS (+50%) | 30 MIPS (+50%) |
| Operating Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Packaging Format | Tape and Reel | Tray | Tape and Reel | Tray | Tape and Reel | Tray |
| RoHS Status | Pb-Free / Compliant | Pb-Free / Compliant | Pb-Free / Compliant | Pb-Free / Compliant | Pb-Free / Compliant | Pb-Free / Compliant |
Key Differentiators
- 50% higher computational headroom in same footprint (vs DSPIC30F5015T-20I/PT (this part) vs DSPIC30F5015-30I/PT)
- Industrial temperature range is sufficient for most applications (vs DSPIC30F5015T-20I/PT (Industrial) vs DSPIC30F5015T-20E/PT (Extended))
- Tape and Reel format for high-volume SMT assembly (vs DSPIC30F5015T-20I/PT (T&R) vs DSPIC30F5015-20I/PT (Tray))
Design Notes
The DSPIC30F5015T-20I/PT operates from 2.5 V to 5.5 V on VDD and AVDD pins (7/19, 28/56). Decouple each VDD pin with a 100 nF ceramic capacitor placed within 3 mm of the pin, and add a single 10 uF bulk capacitor near the device. Tie AVdd to Vdd directly through a ferrite bead (600 ohm at 100 MHz) for noise-sensitive ADC sampling; both AVdd and Vss grounds must connect to a single-point ground plane to avoid ground-loop noise coupling into ADC measurements.
At 20 MIPS with all peripherals active, the DSPIC30F5015T-20I/PT typically dissipates under 200 mW. The TQFP-64 package has a junction-to-ambient thermal resistance of approximately 45 C/W on a 4-layer JEDEC test board, so a 25C ambient yields a junction rise of about 9C. For high-ambient applications (>70C), place thermal vias under the exposed pad area and ensure continuous copper pour on inner PCB layers to spread heat. Industrial-grade parts rated to +85C ambient require no heatsink at typical operating currents.
Two common pitfalls when designing with this DSC: (1) forgetting to configure the JTAG/debug pins (PGD/PGC, pins 49/50) as either alternate-function or high-impedance during normal operation - leaving them floating can cause unintended code execution; (2) writing to Flash during motor-control interrupt routines without disabling interrupts first, which can cause code-fetch conflicts. Always wrap Flash self-write routines in __disable_interrupt() / __enable_interrupt() guards, and configure PGD/PGC as outputs only during programming or debugging.
Route the analog inputs (AN0-AN4, pins 2-6) with differential pair geometry if used for current sensing, and keep them at least 3 mm away from PWM switching traces. Place a guard ring tied to AVss around sensitive analog traces. The oscillator pins (OSC1/OSC2, pins 9/10) require short traces to the crystal or resonator, with the load capacitors placed within 2 mm of the pins. Keep CAN bus traces (C1RX/C1TX, pins 30/31) impedance-controlled to 120 ohm differential per ISO 11898.
Compliance Information
Pb-Free per Microchip product page (suffix /PT indicates Pb-Free TQFP packaging). Industrial temperature grade -40C to +85C. AEC-Q100 qualification is NOT available for this part - choose dsPIC33F automotive variants for AEC-Q100 compliance.
