DSPIC33FJ64MC510T-I/PT - 40 MIPS 16-bit Motor Control DSC | Microchip
MPN: DSPIC33FJ64MC510T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.9 | $7.90 |
| 10 | $7.15 | $71.50 |
| 100 | $6.35 | $635.00 |
| 500 | $5.65 | $2,825.00 |
| 1,000 | $5.1 | $5,100.00 |
DSPIC33FJ64MC510T-I/PT Overview
A digital signal controller combines the deterministic architecture and peripherals of a microcontroller with the math acceleration of a DSP core. In the power-management hierarchy, the dsPIC33F sits above general-purpose MCUs (such as the PIC18 family) and alongside dedicated DSPs: its 16-bit modified Harvard architecture executes single-cycle MAC and DSP instructions, making it a middle tier between an MCU and a full digital signal processor.
Key features of this device include the dsPIC 33F core rated at 40 MIPS, 64KB (64K x 8) of self-programmable FLASH for code storage, 8KB of SRAM for data, and an on-chip 10-bit analog-to-digital converter with up to 12 input channels. The Motor Control family adds hardware peripherals purpose-built for digital power and motion: complementary PWM generation, output-compare and input-capture modules, and UART/SPI/I2C serial engines for system communication.
Architecturally, the dsPIC33FJ64MC510 implements the dsPIC33F 16-bit pipeline that sustains one instruction per cycle at 40 MIPS, and Microchip documents seamless migration options both upward to higher-memory dsPIC33F devices and laterally to PIC24 MCUs, protecting software investment across the family.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor drives, digital power supplies and power factor correction converters, inverters and UPS systems, and industrial automation control nodes where a 3.3V controller with fast PWM and 12-channel ADC sampling is required.
A key design consideration: all VDD/VSS pairs on the 100-pin TQFP must be connected, and ICSP programming must use matched PGECx/PGEDx pin pairs (for example PGEC2 with PGED2), otherwise programming may fail - a common pitfall documented in Microchip's family reference material.
This page synthesizes distributor availability, same-package drop-in alternatives, and design guidance not consolidated in the manufacturer datasheet, with pricing references current as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ64MC510T-I/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 DSPIC33FJ64MC510T-I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core, Migration Path, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64MC510AT-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33FJ128MC510-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128MC510T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ64MC510T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit |
| Core Performance | 40 MIPS |
| Program Memory Size | 64 KB (64K x 8) FLASH |
| Data RAM Size | 8 KB |
| EEPROM | 2 KB |
| Supply Voltage | 3.3 V |
| ADC Resolution | 10 bit |
| ADC Channels | 12 |
| Series | dsPIC33FJ64MC (Motor Control family) |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Packaging Suffix | T = Tape and Reel |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Migration Path | Seamless to PIC24 MCU and dsPIC30F DSC |
DSPIC33FJ64MC510T-I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64MC510T-I/PT (100-tqfp (12x12 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ64MC510T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64MC510T-I/PT is suitable for 6 applications: BLDC Motor Drives, Digital Power Supplies and PFC, Industrial Automation and Motion Control, Inverters and UPS Systems, Automotive-Adjacent Embedded Control (non-safety), Embedded Prototyping and Education.
BLDC Motor Drives
The DSPIC33FJ64MC510T-I/PT fits brushless DC motor control because its 40 MIPS core sustains the arithmetic of field-oriented control or sensorless trapezoidal schemes while hardware complementary PWM outputs drive the three-phase inverter bridge directly. The 10-bit ADC with 12 channels samples phase currents, bus voltage, and rotor position signals within a single PWM period, allowing current-loop closure at PWM frequency. Designers typically place this DSC between a 3.3V logic domain and MOSFET gate drivers such as the IR2101-class devices, using the dsPIC33F's dead-time insertion to prevent shoot-through. Because the same 100-TQFP footprint exists with 128KB and 256KB FLASH, a BLDC platform can scale firmware complexity (FOC plus profile generation plus CAN diagnostics) without a PCB respin.
Recommended
Digital Power Supplies and PFC
For switch-mode power supplies and power-factor-correction stages, the DSPIC33FJ64MC510T-I/PT replaces analog control loops with firmware: the 40 MIPS core executes voltage- and current-loop compensation math, while the high-speed ADC triggers synchronously from the PWM module to average out switching noise. The 64KB FLASH accommodates control code, soft-start ramps, protection state machines, and telemetry over UART or SPI. Running from a 3.3V rail keeps the logic interface compatible with modern supervisor and isolation ICs. A practical benefit of the MC family here is deterministic interrupt latency, which matters when the control ISR must complete within one switching cycle at tens of kHz. For dedicated SMPS peripherals (higher PWM resolution), consider migrating to the related GS family on the same 100-pin TQFP footprint.
Recommended
Industrial Automation and Motion Control
In factory automation nodes, the DSPIC33FJ64MC510T-I/PT serves as a compact motion controller coordinating stepper or servo axes while handling industrial serial links. The 100-TQFP package exposes enough general-purpose I/O for limit switches, encoder inputs via the input-capture modules, and driver enable lines, while UART, SPI, and I2C engines communicate with higher-level PLCs or HMIs. The industrial -40C to +85C temperature grade (the 'I' suffix) covers unconditioned cabinets and floor-level installations. The 2KB EEPROM stores calibration and axis parameters across power cycles, and the 8KB RAM holds trajectory buffers. Microchip's documented migration path to PIC24 MCUs lets the same board design later add general-purpose control features without requalification of the core software architecture.
Recommended
Inverters and UPS Systems
Single- and three-phase inverter front ends and UPS power stages use the DSPIC33FJ64MC510T-I/PT for sinusoidal PWM generation and grid-synchronization math. The 40 MIPS DSP core runs Clarke/Park transforms and PLL-based phase detection in firmware, while complementary PWM outputs with dead-time control stage the half-bridge power devices. The 12-channel, 10-bit ADC multiplexes DC bus voltage, AC output sensing, and thermal feedback, enabling fault shutdown inside a switching period. The 64KB FLASH holds the waveform tables, protection logic, and a bootloader for field firmware updates via UART. Because the package is a standard 100-TQFP, power-stage designers can lay out the controller island once and later pin-upgrade to 256KB FLASH if grid codes or feature sets expand.
Recommended
Automotive-Adjacent Embedded Control (non-safety)
Although not AEC-Q100 qualified under this suffix, the industrial-grade DSPIC33FJ64MC510T-I/PT is used in non-safety automotive-adjacent electronics such as auxiliary pump controllers, cooling-fan modules, and workshop equipment. The 40 MIPS core handles motor commutation and sensor filtering; the 3.3V operation matches modern sensor output levels; and the ICSP interface supports in-system reprogramming during production and service. Designers should verify load-dump and thermal requirements independently since the 'I' grade is -40C to +85C. For applications that grow beyond 64KB of code (added diagnostic stacks or OTA updaters), the pin-compatible DSPIC33FJ128MC510 and DSPIC33FJ256MC510 provide an in-family upgrade that preserves the PCB, connectors, and existing driver firmware base.
Recommended
Embedded Prototyping and Education
The DSPIC33FJ64MC510T-I/PT is a strong platform for teaching and prototyping digital signal control because it combines a genuine DSP MAC unit with MCU-style peripherals in a hand-solderable (with care) 100-TQFP package. Students can implement filters, FFTs, and motor-control loops on the 40 MIPS core while learning ICSP programming discipline - Microchip's guidance that PGECx/PGEDx must be used as matched pairs and that all VDD/VSS pins must be connected is itself a valuable layout lesson. The tray (non-T) DSPIC33FJ64MC510-I/PT variant suits low-volume bench builds, while the tape-and-reel T version scales the same design into production. The family's seamless migration options to PIC24 MCUs also give learners a long-term architectural runway.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64MC510T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64MC510AT-I/PT | DSPIC33FJ128MC510-I/PT | DSPIC33FJ128MC510T-I/PT | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ256GP510T-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) PT | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (14x14 mm) - verify land pattern | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33F 16-bit, 40 MIPS | dsPIC33F 16-bit, 40 MIPS | dsPIC33F 16-bit, 40 MIPS | dsPIC33F 16-bit, 40 MIPS | dsPIC33F 16-bit, 40 MIPS | dsPIC33F 16-bit, 40 MIPS |
| FLASH Program Memory | 64 KB | 64 KB | 128 KB | 128 KB | 256 KB | 256 KB |
| Family Specialization | MC - Motor Control | MC - Motor Control | MC - Motor Control | MC - Motor Control | MC - Motor Control | GP - General Purpose |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- True drop-in A-version refresh on identical footprint (vs DSPIC33FJ64MC510AT-I/PT)
- Scalable FLASH on one PCB layout (vs DSPIC33FJ128MC510T-I/PT)
- Motor Control peripheral emphasis vs GP variant (vs DSPIC33FJ256GP510T-I/PT)
Design Notes
Connect ALL VDD and VSS pin pairs on the 100-TQFP. Microchip's family documentation warns that programming may fail if even one power pin pair is left unconnected. Use one 100 nF ceramic decoupling capacitor per VDD/VSS pair placed within 5 mm of the pins, plus a bulk 4.7-10 uF capacitor per supply domain. Keep the ICSP connector traces (PGECx/PGEDx) short and reserve a 5-pin header footprint on production boards for field reprogramming.
The device exposes multiple PGECx/PGEDx pin pairs for ICSP. Per Microchip documentation, you must use matched pairs: if PGEC2 carries ICSPCLK, ICSPDAT must route to PGED2. Mixing pairs from different groups is a leading cause of 'device not recognized' programmer errors. Also do not confuse the PT (12x12 mm TQFP) and PF (14x14 mm TQFP) footprints when substituting family members - the land patterns differ by 2 mm per side.
Run the core from a clean 3.3V rail with brown-out detection enabled in configuration words. For motor-control layouts, keep the ADC reference isolated from the noisy gate-driver supply: star-route AVDD/AVSS and add an RC filter on VREF inputs. Estimated: with 12 ADC channels sampled once per PWM cycle at 20 kHz switching frequency, interrupt headroom on the 40 MIPS core remains ample for FOC current loops, but budget interrupt latency before committing to switching frequencies above 50 kHz.
For inverter applications, partition the PCB so the controller island sits away from gate-driver loops and bus bar currents; route PWM outputs away from ADC input traces to prevent coupled switching spikes into current-sense channels. Synchronize ADC sampling to the PWM center via the trigger feature rather than free-running sampling to reject ripple. Use the EEPROM (2KB) for calibration tables and implement a CRC-check on parameters to guard against corruption during noisy power events.
Compliance Information
Compliance data not present in the verified web data retrieved. The 'I' temperature grade suffix indicates -40C to +85C industrial operating range; check Microchip's product page or datasheet for RoHS/REACH declarations.
