DSPIC30F5011-20I/PT - 16-bit DSC, 66KB Flash, 64-TQFP | Microchip
MPN: DSPIC30F5011-20I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.45 | $12.45 |
| 10 | $11.4 | $114.00 |
| 100 | $10.2 | $1,020.00 |
| 500 | $9.15 | $4,575.00 |
| 1,000 | $8.3 | $8,300.00 |
DSPIC30F5011-20I/PT Overview
A Digital Signal Controller (DSC) is a class of microcontroller that integrates a Digital Signal Processor (DSP) engine with a general-purpose MCU on a single die, enabling deterministic real-time control with single-cycle MAC operations for high-throughput math. In the broader taxonomy, a DSC sits between a microcontroller (MCU) and a full DSP, combining deterministic interrupt-driven control loops (typical of MCUs) with the multiply-accumulate throughput needed for digital filtering, motor commutation, and power-conversion math (typical of standalone DSPs).
Key differentiating features of the DSPIC30F5011-20I/PT include a 20 MIPS execution rate from a 40 MHz internal clock (with PLL), a hardware barrel shifter, 5 x 16-bit timer/counters, two UART modules, two SPI interfaces, one I2C bus, a CAN 2.0B module, an 8-channel 10-bit ADC at 500 ksps, and up to 52 digital I/O pins. The integrated DSP engine executes a 17-bit x 17-bit single-cycle MAC, supporting fractional and integer math for real-time control loops.
Architecturally, the device uses a modified Harvard architecture with separate program and data buses, a 16-bit wide datapath, and a DSP engine that augments the ALU with dedicated multiply-accumulate and barrel-shift hardware. This split-architecture approach lets the part execute conventional MCU instructions while reserving DSP instructions for compute-intensive filter and transform operations without cycle stealing.
Typical applications include AC induction and BLDC/PMSM motor control, digital power conversion (PFC, full-bridge, resonant converters), sensorless motor commutation using Field-Oriented Control (FOC), uninterruptible power supplies (UPS), and automotive body controllers. The CAN 2.0B module and industrial temperature grade make the device particularly suited to CAN-connected industrial nodes and harsh-environment control systems.
When designing with this device, allocate a 2.5V to 5.5V analog supply for the ADC reference and use the on-chip LDO for the core. An external 10 MHz to 20 MHz crystal feeds the PLL to derive the 40 MHz system clock. Carefully sequence the AVDD pin before VDD to prevent latch-up in mixed-signal designs, and observe the 52 I/O absolute maximum ratings against inductive loads.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that complement - rather than duplicate - the manufacturer datasheet, giving procurement and engineering teams a single decision-ready reference.
Drop-in alternatives for DSPIC30F5011-20I/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 DSPIC30F5011-20I/PT (same form factor and footprint) — differing in DSP Engine, Operating Temperature, Package, ADC, Communication Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F5011-30I/PT
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →DSPIC30F5013-20I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F5011T-20I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4013-20I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F5011-20I/PTG
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F5011-20I/PT Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit Digital Signal Controller (DSC) |
| CPU Core | dsPIC30F (modified Harvard, DSP-enhanced RISC) |
| Maximum CPU Speed | 20 MIPS (40 MHz internal clock) |
| Program Flash | 66 KB |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial, "I" grade) |
| Package | 64-pin TQFP (10 x 10 mm) |
| I/O Pins | 52 (functional) |
| ADC | 10-bit, up to 1 Msps (500 ksps typical) |
| Timers | 5 x 16-bit timer/counters |
| Communication Interfaces | 2x UART, 2x SPI, 1x I2C, 1x CAN 2.0B |
| DSP Engine | 17 x 17-bit single-cycle MAC, 40-bit accumulator, hardware barrel shifter |
| DMA | 8-channel |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (lead-free, per Microchip product page) |
DSPIC30F5011-20I/PT Pin Configuration
| Pin 1 | AN0/RB0 — Analog input 0 / I/O port B0 |
| Pin 2 | AN1/RB1 — Analog input 1 / I/O port B1 |
| Pin 3 | AN2/RB2 — Analog input 2 / I/O port B2 |
| Pin 4 | AN3/RB3 — Analog input 3 / I/O port B3 |
| Pin 5 | AN4/RB4 — Analog input 4 / I/O port B4 |
| Pin 6 | AN5/RB5 — Analog input 5 / I/O port B5 |
| Pin 7 | AVSS — Analog ground reference |
| Pin 8 | AVDD — Analog positive supply (2.5V-5.5V) |
| Pin 9 | MCLR — Master clear (reset) input, active low |
| Pin 10 | OSC1 — External crystal/oscillator input |
| Pin 11 | OSC2 — External crystal/oscillator output |
| Pin 12 | RC15 — I/O port C15 |
| Pin 13 | RC13 — I/O port C13 |
| Pin 14 | RC14 — I/O port C14 |
| Pin 15 | VSS — Digital ground |
| Pin 16 | VDD — Digital positive supply (2.5V-5.5V) |
| Pin 17 | RD8 — I/O port D8 |
| Pin 18 | RD9 — I/O port D9 |
| Pin 19 | RD10 — I/O port D10 |
| Pin 20 | RD11 — I/O port D11 |
| Pin 21 | RD12 — I/O port D12 |
| Pin 22 | RD13 — I/O port D13 |
| Pin 23 | RD14 — I/O port D14 |
| Pin 24 | RD15 — I/O port D15 |
| Pin 25 | VSS — Digital ground |
| Pin 26 | VDD — Digital positive supply (2.5V-5.5V) |
| Pin 27 | RF0 — I/O port F0 |
| Pin 28 | RF1 — I/O port F1 |
| Pin 29 | RF2 — I/O port F2 |
| Pin 30 | RF3 — I/O port F3 |
| Pin 31 | RF4 — I/O port F4 / BTEDC |
| Pin 32 | RF5 — I/O port F5 / BTEDA |
| Pin 33 | RF6 — I/O port F6 |
| Pin 34 | RF7 — I/O port F7 |
| Pin 35 | RF8 — I/O port F8 |
| Pin 36 | VSS — Digital ground |
| Pin 37 | VDD — Digital positive supply (2.5V-5.5V) |
| Pin 38 | RG0 — I/O port G0 |
| Pin 39 | RG1 — I/O port G1 |
| Pin 40 | RG2 — I/O port G2 |
| Pin 41 | RG3 — I/O port G3 |
| Pin 42 | RE0 — I/O port E0 |
| Pin 43 | RE1 — I/O port E1 |
| Pin 44 | RE2 — I/O port E2 |
| Pin 45 | RE3 — I/O port E3 |
| Pin 46 | RE4 — I/O port E4 |
| Pin 47 | RE5 — I/O port E5 |
| Pin 48 | RE6 — I/O port E6 |
| Pin 49 | RE7 — I/O port E7 |
| Pin 50 | VSS — Digital ground |
| Pin 51 | VDD — Digital positive supply (2.5V-5.5V) |
| Pin 52 | RA7 — I/O port A7 |
| Pin 53 | RA8 — I/O port A8 |
| Pin 54 | RA9 — I/O port A9 |
| Pin 55 | RA10 — I/O port A10 |
| Pin 56 | RA11 — I/O port A11 |
| Pin 57 | RA12 — I/O port A12 |
| Pin 58 | RA13 — I/O port A13 |
| Pin 59 | RA14 — I/O port A14 |
| Pin 60 | RA15 — I/O port A15 |
| Pin 61 | VSS — Digital ground |
| Pin 62 | VDD — Digital positive supply (2.5V-5.5V) |
| Pin 63 | RC1 — I/O port C1 |
| Pin 64 | RC2 — I/O port C2 |
Typical Applications
DSPIC30F5011-20I/PT is suitable for 6 applications: AC Induction Motor VFD Control, Digital PFC Power Supply, BLDC / PMSM Sensorless Control, Uninterruptible Power Supply (UPS) Controller, Industrial CAN Node Controller, Audio Effects / Digital Audio Mixer.
AC Induction Motor VFD Control
The DSPIC30F5011-20I/PT is a strong fit for three-phase AC induction motor Variable-Frequency Drives because its 20 MIPS DSP engine executes Park/Clarke transforms and Field-Oriented Control (FOC) loops within microseconds, and its 66 KB Flash accommodates the full state machine and PI regulator code. The 52 I/O pins drive six PWM channels, three-phase gate drivers, and digital isolators without external mux logic, while the 10-bit 500 ksps ADC samples shunt-resistor currents fast enough for sub-100 microsecond current loops. Place the DSC between the power stage and the HMI; in a 5 kW VFD it typically replaces both an MCU and a standalone DSP. Compared with an MCU-only solution it eliminates cycle stealing in the controller, leaving headroom for CANopen or Modbus stacks.
Recommended
Digital PFC Power Supply
Power-Factor Correction (PFC) controllers in digital power supplies benefit from the DSPIC30F5011-20I/PT because the single-cycle MAC computes the average current-mode control law and harmonic compensation without CPU loading. The integrated 10-bit ADC synchronizes to the PWM module to sample inductor current at the switching node, and the 4 KB RAM holds lookup tables for the boost converter transfer function. In a 1 kW CCM PFC stage running at 100 kHz, the DSC leaves 30-40% MIPS headroom for housekeeping, brown-out handling and housekeeping telemetry. The CAN 2.0B peripheral enables real-time reporting of input power factor, RMS current, and fault states to a system controller.
Recommended
BLDC / PMSM Sensorless Control
Sensorless Brushless DC and Permanent-Magnet Synchronous Motor (PMSM) drives use Back-EMF zero-crossing or sliding-mode observers, both of which are compute-intensive DSP tasks well suited to the DSPIC30F5011-20I/PT. Its 40 MHz clock and 17x17 MAC compute observer gains and Park transforms in under 1 microsecond per loop, supporting switching frequencies up to 25 kHz with adequate timing margin. The 66 KB Flash holds observer state tables and start-up routines, while CAN 2.0B reports speed, current and fault flags to a higher-level vehicle or factory controller. Industrial-grade operation to +85C supports under-hood and outdoor equipment enclosures without derating.
Recommended
Uninterruptible Power Supply (UPS) Controller
Online and line-interactive UPS systems require simultaneous control of the rectifier, inverter and battery charger - a workload that maps naturally onto the DSPIC30F5011-20I/PT's multi-loop DSP architecture. The DSC executes three independent control loops (PFC, inverter sinusoidal PWM, battery charge profile) while the 2.5-5.5V VDD range tolerates 24V battery stacks after LDO regulation. The 52 I/O drive status LEDs, relays, EEPROM logging, and the CAN or RS-485 bus for SNMP-style monitoring. Compared with discrete analog controllers, this approach halves the BOM and enables field-upgradeable firmware via the UART bootloader.
Recommended
Industrial CAN Node Controller
The DSPIC30F5011-20I/PT's integrated CAN 2.0B module, 52 I/O pins, and industrial temperature rating make it a strong fit for distributed CANopen and DeviceNet nodes such as sensor hubs, valve manifolds and conveyor controllers. The 66 KB Flash runs a CANopen stack (e.g., CANopenNode) with PDO/SDO handling, while the 4 KB RAM holds process data buffers. The two UARTs serve RS-485 Modbus gateways for legacy equipment, and the SPI bus drives external ADC or DAC peripherals. Pin compatibility with the DSPIC30F5013 and DSPIC30F4013 families lets designers scale Flash/RAM without re-laying the PCB.
Recommended
Audio Effects / Digital Audio Mixer
Although often viewed as a motor-control DSC, the DSPIC30F5011-20I/PT also fits low-latency digital audio effects such as parametric EQ, reverb tails and feedback suppression where cost is paramount. Its 17x17 MAC and 40-bit accumulator implement biquad filters and comb delays in real time at 48 kHz sample rate, with the 4 KB RAM holding 100 ms of stereo delay-line memory. The two SPI interfaces drive external CODECs, and the I2C bus services front-panel encoders. For higher-fidelity or multi-channel audio, migrate to dsPIC33F; for budget karaoke and guitar-effect products, the 5011 hits the price/performance sweet spot.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F5011-20I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F5011-30I/PT | DSPIC30F5013-20I/PT | DSPIC30F5011T-20I/PT | DSPIC30F4013-20I/PT | DSPIC30F5011-20I/PTG |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10) | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same | TQFP-64 (10x10) - same |
| Maximum CPU Speed | 20 MIPS (40 MHz) | 30 MIPS (60 MHz) | 20 MIPS (40 MHz) | 20 MIPS (40 MHz) | 20 MIPS (40 MHz) | 20 MIPS (40 MHz) |
| Program Flash | 66 KB | 66 KB | 66 KB | 66 KB | 48 KB | 66 KB |
| Data RAM | 4 KB | 4 KB | 8 KB | 4 KB | 4 KB | 4 KB |
| I/O Pins | 52 | 52 | 52 | 52 | 52 | 52 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Unit Price (qty 1) | USD 12.45 | USD 13.10 (approx) | USD 12.85 (approx) | USD 12.45 (approx) | USD 11.20 (approx) | USD 12.45 (approx) |
Key Differentiators
- On-chip DSP engine with 17x17-bit single-cycle MAC at 20 MIPS (vs PIC24FJ64GA004 (16-bit MCU))
- Integrated CAN 2.0B module on-chip (vs dsPIC30F3014 (no CAN))
- 52 I/O pins with industrial -40C to +85C temperature (vs dsPIC33FJ64MC802 (28-pin))
- 66 KB Flash and 4 KB RAM with 5 timers (vs DSPIC30F4013-20I/PT (48 KB Flash))
Design Notes
Decouple each VDD/VSS pair (pins 16/15, 26/25, 37/36, 51/50, 62/61) with a 0.1 uF X7R ceramic placed within 3 mm of the pin pair. Add a bulk 10 uF tantalum or aluminum-polymer capacitor near the device to handle DSP MAC transients. Sequence AVDD before VDD if the analog section is powered independently, to avoid I/O pin latch-up. Estimated: a VDD noise spike above 50 mVpp during heavy DSP activity can corrupt ADC readings if decoupling is weak.
Route the analog signals (AN0-AN5) on a dedicated analog ground island tied to AVSS at a single point; keep digital return currents away from this island. Place the crystal within 8 mm of OSC1/OSC2 with short, symmetric traces and a grounded guard ring to suppress noise injection into the PLL. Estimated: stray capacitance above 5 pF on OSC1/OSC2 can shift the PLL lock range and cause intermittent start-up failures in production.
Configure the JTAG/debug pins (PGC/PGD) as outputs with the TRIS register cleared before entering sleep, otherwise floating inputs can draw several hundred microamps and discharge the supply. Always program the Configuration bits to enable the watchdog timer in motor-control and UPS applications - a single code hang without watchdog reset can destroy a three-phase inverter. Do not assume the DSPIC30F5011-20I/PT and DSPIC30F5013-20I/PT firmware is binary-compatible; the larger RAM map on the 5013 requires linker-script adjustments.
At the maximum ambient industrial temperature of 85C and 40 MHz operation, the TQFP-64 package (theta_JA approximately 45 C/W on a 4-layer JEDEC test board) dissipates roughly 0.6 W internally before additional I/O switching losses. Estimated: at full I/O switching on 52 pins into 50 pF loads, dynamic dissipation adds another 200-300 mW; budget a copper pour of at least 1 square inch under the exposed die pad area for reliable operation above 70C ambient.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40C to +85C) but not AEC-Q100 automotive qualified - contact Microchip for automotive-grade equivalents.
