DSPIC33FJ64MC508T-I/PT - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip
Teilenummer: DSPIC33FJ64MC508T-I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $7.42 | $7,42 |
| 10 | $6.71 | $67,10 |
| 100 | $5.98 | $598,00 |
| 500 | $5.36 | $2.680,00 |
| 1.000 | $4.83 | $4.830,00 |
DSPIC33FJ64MC508T-I/PT Übersicht
A digital signal controller combines the deterministic architecture and peripherals of a microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. In the power-management hierarchy, a DSC such as the dsPIC33F family member is a single-chip embedded processor that closes high-speed control loops - for example running field-oriented control of motors - that conventional 8-bit MCUs cannot execute fast enough or with sufficient numerical precision.
Key features include the 40 MIPS core executing up to 80 million MAC operations per second, motor-control PWM peripherals with complementary outputs and dead-time insertion, multiple 10-bit ADCs, UART/SPI/I2C communication ports, and a phase-locked loop (PLL) clock system that generates 40 MIPS operation from a low-cost crystal. The FLASH program memory supports in-circuit serial programming (ICSP) and self-programming for field updates.
Technically, the device pairs the dsPIC33F 16-bit CPU with dedicated DSP instructions (40-bit wide accumulators, dual operand fetch) and single-cycle multiply, enabling real-time control bandwidths in the tens of kilohertz. Code is pin-compatible and source-compatible across the dsPIC33FJ64MC50x family, and Microchip documents seamless migration to PIC24 MCUs and dsPIC30F DSCs in similar packages.
Typical applications include brushless DC (BLDC), single/three-phase induction and switched-reluctance motor control, digital power supplies (power factor correction, LLC converters), solar inverters, and industrial motion-control systems where the on-chip high-resolution PWM and fast ADC are directly matched to the control problem.
A key design consideration: the core supply is internally regulated, so the VCAP pin requires the specified low-ESR capacitor close to the pin for stable operation, and all VDD/VSS pairs must be decoupled individually.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in-Alternativen für DSPIC33FJ64MC508T-I/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit DSPIC33FJ64MC508T-I/PT (gleiche Bauform und Footprint) – abweichend in Package, Operating Temperature, RAM, ADC, Core Architecture.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
DSPIC33FJ64MC508A-I/PT
✅ Drop-In✓ Auf Lager
$11.8 / Stück
Datenblatt ansehen →DSPIC33FJ128MC508A-I/PT
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ64MC506A-I/PT
✅ Drop-In✓ Auf Lager
$7.58 / Stück
Datenblatt ansehen →DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ Auf Lager
$6.65 / Stück
Datenblatt ansehen →DSPIC33FJ64GP708A-I/PT
✅ Drop-In✓ Auf Lager
$4.18 / Stück
Datenblatt ansehen →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ Auf Lager
$6.95 / Stück
Datenblatt ansehen →DSPIC33FJ64MC508T-I/PT Grenzwerte & elektrische Eigenschaften
| Core | dsPIC33F, 16-bit |
| Max CPU Speed | 40 MIPS |
| Program Memory | 64KB (64K x 8) FLASH |
| RAM | 8KB |
| Versorgungsspannung | 3 V to 3.6 V |
| Betriebstemperatur | -40C to +85C |
| Gehäuse | 80-TQFP (12x12 mm) |
| Montageart | Surface Mount |
| I/O Ports | 21 |
| ROM Type | Flash |
| Clock Speed | 40 MHz |
| DSP Engine | Single-cycle MAC, 40-bit accumulators |
| Motor Control PWM | Yes (complementary outputs, dead-time insertion) |
| ADC | On-chip 10-bit ADC |
| Communication Interfaces | UART, SPI, I2C |
| Programming | ICSP (In-Circuit Serial Programming), self-programming FLASH |
| Packaging Suffix | T (Tape & Reel), PT (80-pin TQFP) |
| Lifecycle Stage | Active |
DSPIC33FJ64MC508T-I/PT Pin-Konfiguration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / I/O |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / I/O |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / I/O |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / I/O |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / encoder A / input capture 7 / I/O |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / encoder B / input capture 8 / I/O |
| Pin 8 | AN6/OCFA/UPDN/RTCC/RB6 — Analog input 6 / PWM fault A / I/O |
| Pin 9 | AN7/OCFB/PMA6/RB7 — Analog input 7 / PWM fault B / I/O |
| Pin 10 | VDD — Power supply (3V to 3.6V) |
| Pin 11 | VSS — Ground |
| Pin 12 | AN8/RP0/PWM1L1/RE0 — Analog input 8 / remappable pin / PWM1 low / I/O |
| Pin 13 | AN9/RP1/PWM1H1/RE1 — Analog input 9 / remappable pin / PWM1 high / I/O |
| Pin 14 | AN10/RP2/PWM1L2/RE2 — Analog input 10 / remappable pin / PWM2 low / I/O |
| Pin 15 | AN11/RP3/PWM1H2/RE3 — Analog input 11 / remappable pin / PWM2 high / I/O |
| Pin 16 | AN12/RP68/PWM2L1/RE4 — Analog input 12 / remappable pin / PWM / I/O |
| Pin 17 | AN13/RP69/PWM2H1/RE5 — Analog input 13 / remappable pin / PWM / I/O |
| Pin 18 | AN14/RP70/PWM2L2/RE6 — Analog input 14 / remappable pin / PWM / I/O |
| Pin 19 | AN15/RP71/PWM2H2/RE7 — Analog input 15 / remappable pin / PWM / I/O |
| Pin 20 | VSS — Ground |
| Pin 21 | VDD — Power supply |
| Pin 22 | TMS — JTAG test mode select |
| Pin 23 | TCK — JTAG test clock |
| Pin 24 | TDI — JTAG test data in |
| Pin 25 | TDO — JTAG test data out |
| Pin 26 | SOSCI/CN1/RB61 — Secondary oscillator input / change notification / I/O |
| Pin 27 | SOSCO/T1CK/CN0/RA4 — Secondary oscillator output / Timer1 clock / I/O |
| Pin 28 | OSC1/CLKI/CN30/RA2 — Primary oscillator input / external clock input |
| Pin 29 | OSC2/CLKO/RC15 — Primary oscillator output / clock output |
| Pin 30 | VSS — Ground |
| Pin 31 | VDD — Power supply |
| Pin 32 | RP54/RF6 — Remappable pin / I/O |
| Pin 33 | RP43/RF2/U1RX — Remappable pin / UART1 receive / I/O |
| Pin 34 | RP55/RF7 — Remappable pin / I/O |
| Pin 35 | RP20/RF3/U1TX — Remappable pin / UART1 transmit / I/O |
| Pin 36 | VSS — Ground |
| Pin 37 | VDD — Power supply |
| Pin 38 | RP84/RF12/SCL1 — Remappable pin / I2C1 clock / I/O |
| Pin 39 | RP83/RF13/SDA1 — Remappable pin / I2C1 data / I/O |
| Pin 40 | RP44/RF4/U2RX — Remappable pin / UART2 receive / I/O |
| Pin 41 | RP45/RF5/U2TX — Remappable pin / UART2 transmit / I/O |
| Pin 42 | SCL2/IC4/RG6 — I2C2 clock / input capture / I/O |
| Pin 43 | SDA2/IC5/RG7 — I2C2 data / input capture / I/O |
| Pin 44 | U3TX/SDO2/RG8 — UART3 transmit / SPI2 data out / I/O |
| Pin 45 | VSS — Ground |
| Pin 46 | VDD — Power supply |
| Pin 47 | U3RX/SDI2/RG9 — UART3 receive / SPI2 data in / I/O |
| Pin 48 | RD8 — Digital I/O |
| Pin 49 | RD9 — Digital I/O |
| Pin 50 | RD10 — Digital I/O / motor-control PWM |
| Pin 51 | RD11 — Digital I/O / motor-control PWM |
| Pin 52 | RD12 — Digital I/O |
| Pin 53 | RD13 — Digital I/O |
| Pin 54 | RD14 — Digital I/O / input capture |
| Pin 55 | RD15 — Digital I/O / input capture |
| Pin 56 | VDD — Power supply |
| Pin 57 | VSS — Ground |
| Pin 58 | PWM1L3/RE8 — Motor-control PWM1 low / I/O |
| Pin 59 | PWM1H3/RE9 — Motor-control PWM1 high / I/O |
| Pin 60 | RP46/RF0/SDO1 — Remappable pin / SPI1 data out / I/O |
| Pin 61 | RP47/RF1/SDI1 — Remappable pin / SPI1 data in / I/O |
| Pin 62 | RP63/RF8/CN8 — Remappable pin / I/O |
| Pin 63 | RP64/RF9/CN9 — Remappable pin / I/O |
| Pin 64 | RP85/RF13/CN10 — Remappable pin / I/O |
| Pin 65 | RP56/RF10/CN11 — Remappable pin / I/O |
| Pin 66 | RP57/RF11/CN12 — Remappable pin / I/O |
| Pin 67 | VDD — Power supply |
| Pin 68 | VSS — Ground |
| Pin 69 | RP58/RG0/IC1 — Remappable pin / input capture 1 / I/O |
| Pin 70 | RP59/RG1/IC2 — Remappable pin / input capture 2 / I/O |
| Pin 71 | RP70/RG2 — Remappable pin / I/O |
| Pin 72 | RP71/RG3 — Remappable pin / I/O |
| Pin 73 | RP65/RG4/CN17 — Remappable pin / I/O |
| Pin 74 | RP66/RG5 — Remappable pin / I/O |
| Pin 75 | RP67/RG6 — Remappable pin / I/O |
| Pin 76 | RP72/RG7 — Remappable pin / I/O |
| Pin 77 | RP73/RG8 — Remappable pin / I/O |
| Pin 78 | AVDD — Analog power supply for ADC |
| Pin 79 | AVSS — Analog ground |
| Pin 80 | VCAP/VDDCORE — Internal core regulator capacitor connection |
Typische Anwendungen
DSPIC33FJ64MC508T-I/PT ist geeignet für 6 Anwendungs: Brushless DC (BLDC) Motor Control, Digital Power Supplies and PFC, Solar Inverters and Renewable Energy, Switched Reluctance and Induction Motor Drives, Industrial Automation and Motion Systems, Audio Signal Processing and DSP Embedded Systems.
Brushless DC (BLDC) Motor Control
The DSPIC33FJ64MC508T-I/PT is purpose-built by Microchip for BLDC motor control: its dedicated motor-control PWM module generates complementary outputs with programmable dead-time insertion and fault shutdown, while the fast 10-bit ADC synchronizes sampling to the PWM period for accurate phase-current measurement. At 40 MIPS with single-cycle MAC instructions, the DSC executes field-oriented control (FOC) or sensorless trapezoidal algorithms with control-loop bandwidths well above typical motor time constants. In practice the device drives a three-phase inverter via gate drivers, reading Hall sensors or back-EMF through the ADC and comparator inputs. The 64KB FLASH accommodates FOC plus communication stacks, and the pin-compatible upgrade path to the 256MC510 leaves headroom for future feature growth without PCB rework.
Empfohlen
Digital Power Supplies and PFC
Digital power conversion benefits directly from the DSPIC33FJ64MC508T-I/PT parameter set: the motor-control PWM peripherals run at switching frequencies into the hundreds of kilohertz with complementary outputs, dead-time, and current-limit fault inputs, while the high-speed 10-bit ADC samples inductor current and output voltage synchronized to the PWM cycle. The 40 MIPS core with DSP multiply-accumulate support closes voltage/current loops for power factor correction (PFC), LLC, and phase-shifted full-bridge topologies with PID or predictive control. Operating from a 3.3V rail across -40C to +85C suits industrial power systems. Firmware fits in 64KB FLASH including PFC plus LLC stages, and ICSP programming allows control-loop firmware updates in production without re-soldering the controller.
Empfohlen
Solar Inverters and Renewable Energy
Solar micro-inverters and string-inverter control stages require exactly the DSPIC33FJ64MC508T-I/PT combination: high-resolution synchronized PWM for the inverter bridge, fast ADC sampling of DC-link and grid waveforms, and DSP-class math throughput for MPPT (maximum power point tracking) algorithms plus grid-synchronization (PLL) software at 40 MIPS. The internal PLL derives 40 MIPS operation from a low-cost crystal, reducing bill-of-material cost in cost-sensitive solar electronics. The industrial -40C to +85C range and 3V-3.6V supply match outdoor inverter environments, and the 80-TQFP (12x12 mm) surface-mount package supports compact power-stage PCBs. The 64KB FLASH holds MPPT, inverter control, and communication code with headroom; migration to DSPIC33FJ256MC510T-I/PF covers advanced grid codes.
Empfohlen
Switched Reluctance and Induction Motor Drives
Microchip explicitly targets single and three-phase induction and switched reluctance (SR) motor applications with the dsPIC33F Motor Control family, and the DSPIC33FJ64MC508T-I/PT delivers the required peripherals: multiple complementary PWM outputs with dead-time control suit SR phase excitation, while ADC-triggered sampling supports rotor-position estimation from current signatures. The 40 MIPS, 16-bit core with DSP instructions runs slip-compensated V/f and sensorless vector control for induction machines in appliances, pumps, fans, and HVAC compressors. The on-chip UART, SPI, and I2C interfaces handle speed commands and diagnostics. With 64KB FLASH and 8KB RAM, complete drive firmware including communications fits comfortably, and the same footprint scales to the 256KB DSPIC33FJ256MC510T-I/PF for premium drive platforms.
Empfohlen
Industrial Automation and Motion Systems
In factory automation nodes, the DSPIC33FJ64MC508T-I/PT serves both as a motion-control engine and a system coordinator. The 40 MIPS core executes coordinated multi-axis stepping or servo loops using the motor-control PWM and quadrature-encoder interface (QEA/QEB, INDX) inputs, while UART, SPI, and I2C ports link to drives, sensors, and higher-level controllers such as PLCs or industrial Ethernet modules. The 21 I/O ports with peripheral remap (RP) let firmware route digital functions to optimal pins, simplifying PCB routing in dense control cards. The -40C to +85C industrial rating, 3.3V operation, and ICSP field-programmability suit remote or long-life installations. The 64KB FLASH budget supports state machines, control loops, and MODBUS-style protocol stacks with room for OTA bootloaders.
Empfohlen
Audio Signal Processing and DSP Embedded Systems
Beyond motion and power, the dsPIC33F DSP engine makes the DSPIC33FJ64MC508T-I/PT effective in cost-sensitive embedded DSP roles: single-cycle 16x16 MAC with dual 40-bit accumulators and DSP addressing modes enable audio filtering, FFT-based analysis, sensor fusion, and digital control of actuators at sample rates of tens of kilohertz. The on-chip 10-bit ADC digitizes microphone or sensor inputs, and SPI/I2C interfaces connect to external audio codecs or data converters when higher resolution is needed. The 3.3V single supply and 80-TQFP (12x12 mm) package fit compact embedded modules, and 64KB FLASH stores filter coefficient sets and application firmware. Where designers need only general-purpose control without the MC-series PWM, the pin-compatible DSPIC33FJ64GP708A-I/PT offers the same core and footprint.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für DSPIC33FJ64MC508T-I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | DSPIC33FJ64MC508A-I/PT | DSPIC33FJ128MC508A-I/PT | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ64GP708A-I/PT | DSPIC33FJ256GP510T-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP - same footprint | 80-TQFP (12x12 mm) - same | 80-TQFP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 40 MIPS (16-bit dsPIC33F) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Memory (FLASH) | 64KB | 64KB | 128KB | 256KB | 64KB | 256KB |
| RAM | 8KB | 8KB | 16KB | 30KB | 8KB | 30KB |
| Motor-Control PWM | Yes (MC series, dead-time insertion) | Yes (MC series) | Yes (MC series) | Yes (MC series) | No (GP variant) | No (GP variant) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Wichtigste Unterscheidungsmerkmale
- Errata-free A-step silicon available as direct replacement (vs. DSPIC33FJ64MC508A-I/PT)
- 64KB FLASH keeps cost down in the motor-control family (vs. DSPIC33FJ256MC510T-I/PF)
- Dedicated motor-control PWM with dead-time insertion (vs. DSPIC33FJ64GP708A-I/PT)
- In-family memory scaling without PCB rework (vs. DSPIC33FJ128MC508A-I/PT)
Designhinweise
The dsPIC33F core is supplied by an internal regulator: connect the specified low-ESR tantalum/ceramic capacitor on the VCAP/VDDCORE pin (pin 80) as close to the pin as possible - do not feed an external core supply. All VDD/VSS pairs (multiple pairs on the 80-TQFP) must each have a 0.1uF ceramic decoupling capacitor; AVDD/AVSS (pins 78/79) power the ADC and should be filtered with an RC or ferrite from the digital 3.3V rail to preserve analog accuracy.
Bring the ICSP programming pair (PGC/PGD) and MCLR to a standard 5-pin header (MCLR, VDD, GND, PGC, PGD) so MPLAB X with PICkit/ICD/SNAP can program and debug in-circuit. Keep the primary oscillator (OSC1/OSC2) crystal traces short and guarded by ground; if the secondary 32.768kHz oscillator is used for RTCC, route it away from PWM traces. Peripheral remap (RP) pins let you assign UART/SPI functions to convenient physical pins - finalize the PPS map before layout freeze.
Motor-control PWM outputs drive inverter gate stages: always enable dead-time insertion and the fault inputs (OCFA/OCFB) before live testing, and verify the PWM polarity settings match the gate driver logic. Replacing the part with the 508A revision later is pin-compatible, but check the family migration notes for ADC/clock errata fixes that can change timing-sensitive code. Do not exceed the 3.6V absolute supply; there is no 5V tolerance on I/O in this family.
Estimated: at 40 MIPS with all peripherals active, core current is on the order of tens of milliamps, giving ~0.1-0.2W dissipation in the 80-TQFP; with a typical theta_JA near 50 C/W this yields a junction rise of roughly 5-10 C over ambient - no heatsink or thermal pad is required. Standard 80-TQFP land pattern with recommended trace widths is sufficient; verify against the latest datasheet electrical characteristics for your actual clock configuration.
Compliance-Informationen
Distributor listings identify the package as lead-free (PLASTIC, LEAD FREE per digchip spec summary). RoHS status inferred from standard Microchip I/PT industrial lead-free offering; REACH and conflict-minerals status not stated in provided data.
