DSPIC33EP512MC806-I/PT - 70 MIPS 16-bit DSC, 512KB Flash | Microchip
Référence : DSPIC33EP512MC806-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $12.9 | $12,90 |
| 10 | $11.61 | $116,10 |
| 100 | $10.32 | $1 032,00 |
| 500 | $9.18 | $4 590,00 |
| 1 000 | $8.1 | $8 100,00 |
DSPIC33EP512MC806-I/PT Présentation
A digital signal controller (DSC) bridges the gap between a microcontroller and a digital signal processor by combining deterministic interrupt response, integrated peripherals, and a single-cycle 16x16 hardware multiply-accumulate (MAC) with barrel shifter. In the broader power-management and real-time-control hierarchy, the dsPIC33E family sits between general-purpose 16-bit MCUs and dedicated DSPs, with embedded control positioned as digital-signal controller -> 16-bit MCU -> microcontroller -> semiconductor. Hypernyms and synonyms: DSC = digital signal controller = dsPIC = DSC.
Key features include the 70 MIPS dsPIC33E core with single-cycle MAC, dual high-speed motor-control PWM modules with complementary outputs and dead-time insertion, two CAN 2.0B modules, and a rich serial mix of I2C, I2S, SPI, and UART/USART interfaces. The device exposes 53 general-purpose I/O pins and carries the -I industrial temperature grade.
Architecturally, the dsPIC33EP core uses an enhanced Harvard bus with 24-bit instruction words, allowing program memory up to 512 KB to be fetched every cycle. The high-speed PWM modules support center-aligned and edge-aligned modes with sub-microsecond resolution, essential for three-phase inverter and digital power topologies. Internal voltage regulators, an on-chip oscillator with PLL, and DMA channels reduce external component count.
Typical applications include precision motor control (BLDC, PMSM, ACIM), digital power conversion and solar inverters, industrial automation nodes using dual CAN buses, and embedded control requiring DSP-class math for sensor filtering. The dual CAN modules make the part especially suitable for industrial networked systems.
Design consideration: all VDD and VSS pins must be connected for reliable operation, and the ICSP PGECx/PGEDx pins must be used as a matched pair. The 64-pin TQFP package requires attention to the VCAP pin for the internal core regulator stabilization capacitor.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet, giving engineers a single citable reference for the DSPIC33EP512MC806-I/PT.
Alternatives de remplacement direct pour DSPIC33EP512MC806-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33EP512MC806-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, Program Memory (Flash), Core Architecture, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP512MC806-E/PT
✅ Remplacement direct✓ En stock
$8.75 / unité
Voir la fiche technique →DSPIC33EP256MC506-E/PT
✅ Remplacement direct✓ En stock
$5.83 / unité
Voir la fiche technique →DSPIC33EP128GM604-I/ML
✅ Remplacement direct✓ En stock
$5.95 / unité
Voir la fiche technique →DSPIC33EP512GM604-I/PT
✅ Remplacement direct✓ En stock
$7.4 / unité
Voir la fiche technique →dsPIC33EP512GM306-I/PT
✅ Remplacement direct✓ En stock
$7.18 / unité
Voir la fiche technique →DSPIC33EP256GP504-I/ML
✅ Remplacement direct✓ En stock
$5.68 / unité
Voir la fiche technique →DSPIC33EP512MC806-I/PT Valeurs maximales et caractéristiques électriques
| Core Processor | dsPIC33E (16-bit DSC) |
| Core Speed | 70 MIPS |
| Program Memory | 512 KB Flash (170K x 24) |
| RAM | 52 KB (53248 Bytes) |
| Operating Voltage | 3.0 V to 3.6 V (3.3 V typical) |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 64-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| General-Purpose I/O | 53 |
| Connectivity | CAN (x2), I2C, I2S, SPI, UART/USART, IrDA, LIN, QEI |
| Peripherals | Brown-out Detect/Reset, DMA, Motor Control PWM, QEI |
| PWM Modules | Dual high-speed motor-control PWM with complementary outputs |
| CAN Modules | 2x CAN 2.0B |
| Niveau MSL | 3 (per JEDEC J-STD-020) |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
| Packaging | Tray |
Configuration des broches de DSPIC33EP512MC806-I/PT
| Broche 1 | RP15/PWM3H/PMD5 — Remappable peripheral / PWM output |
| Broche 2 | RP14/PWM2H/PMD4 — Remappable peripheral / PWM output |
| Broche 3 | RP13/PWM1H/PMD3 — Remappable peripheral / PWM output |
| Broche 4 | RP12/PWM1L/PMD2 — Remappable peripheral / PWM output |
| Broche 5 | RP11/PWM2L/PMD1 — Remappable peripheral / PWM output |
| Broche 6 | RP10/PWM3L/PMD0 — Remappable peripheral / PWM output |
| Broche 7 | RP9/ICM1/QEA1 — QEI channel A input |
| Broche 8 | RP8/ICM2/QEB1 — QEI channel B input |
| Broche 9 | RP7/ICM3/INDX1 — QEI index input |
| Broche 10 | RP6/INT0 — External interrupt 0 |
| Broche 11 | RP5/IC1 — Input capture 1 |
| Broche 12 | RP4/IC2 — Input capture 2 |
| Broche 13 | RP3/OC1 — Output compare 1 |
| Broche 14 | RP2/OC2 — Output compare 2 |
| Broche 15 | RP1/U1RX/SDA1 — UART1 RX / I2C1 SDA |
| Broche 16 | RP0/U1TX/SCL1 — UART1 TX / I2C1 SCL |
| Broche 17 | AVDD — Analog power supply |
| Broche 18 | AVSS — Analog ground |
| Broche 19 | AN0/VREF+ — ADC input 0 / Voltage reference + |
| Broche 20 | AN1/VREF- — ADC input 1 / Voltage reference - |
| Broche 21 | AN2 — ADC input 2 |
| Broche 22 | AN3 — ADC input 3 |
| Broche 23 | AN4 — ADC input 4 |
| Broche 24 | AN5 — ADC input 5 |
| Broche 25 | VCAP — Core regulator output - connect 10 uF capacitor to VSS |
| Broche 26 | VDD — Digital power supply (3.3 V) |
| Broche 27 | VSS — Digital ground |
| Broche 28 | OSCI/CLKI — Crystal input / external clock |
| Broche 29 | OSCO/CLKO — Crystal output |
| Broche 30 | SOSCI/RP32 — Secondary oscillator crystal input |
| Broche 31 | SOSCO/RP33 — Secondary oscillator crystal output |
| Broche 32 | PGEC1/RP38 — ICSP programming clock 1 |
| Broche 33 | PGED1/RP39 — ICSP programming data 1 |
| Broche 34 | PGEC2/RP40 — ICSP programming clock 2 |
| Broche 35 | PGED2/RP41 — ICSP programming data 2 |
| Broche 36 | MCLR — Master clear reset (active low) |
| Broche 37 | RP16/C1RX — CAN1 RX |
| Broche 38 | RP17/C1TX — CAN1 TX |
| Broche 39 | RP18/C2RX — CAN2 RX |
| Broche 40 | RP19/C2TX — CAN2 TX |
| Broche 41 | RP20/U2RX — UART2 RX |
| Broche 42 | RP21/U2TX — UART2 TX |
| Broche 43 | RP22/SCK2 — SPI2 clock |
| Broche 44 | RP23/SDI2 — SPI2 data in |
| Broche 45 | RP24/SDO2 — SPI2 data out |
| Broche 46 | RP25/SS2 — SPI2 slave select |
| Broche 47 | VDD — Digital power supply (3.3 V) |
| Broche 48 | VSS — Digital ground |
| Broche 49 | RP26/ASDA1 — I2C1 alternate SDA |
| Broche 50 | RP27/ASCL1 — I2C1 alternate SCL |
| Broche 51 | RP28/ASDA2 — I2C2 alternate SDA |
| Broche 52 | RP29/ASCL2 — I2C2 alternate SCL |
| Broche 53 | RP30/DAC1 — DAC output 1 |
| Broche 54 | RP31/DAC2 — DAC output 2 |
| Broche 55 | FLTA1 — PWM fault A input |
| Broche 56 | FLTB1 — PWM fault B input |
| Broche 57 | PWM4H — PWM channel 4 high output |
| Broche 58 | PWM4L — PWM channel 4 low output |
| Broche 59 | PWM5H — PWM channel 5 high output |
| Broche 60 | PWM5L — PWM channel 5 low output |
| Broche 61 | PWM6H — PWM channel 6 high output |
| Broche 62 | PWM6L — PWM channel 6 low output |
| Broche 63 | VDD — Digital power supply (3.3 V) |
| Broche 64 | VSS — Digital ground |
Applications typiques
DSPIC33EP512MC806-I/PT convient pour 6 applications: BLDC / PMSM Motor Control (FOC), Solar Inverter / Digital Power Conversion, Industrial Automation / CAN Nodes, AC Induction Motor (ACIM) V/Hz and FOC Control, Sensor Signal Conditioning / DSP Filtering, Uninterruptible Power Supply (UPS) Controller.
BLDC / PMSM Motor Control (FOC)
The DSPIC33EP512MC806-I/PT excels at sensorless and encoder-based field-oriented control of brushless DC and permanent magnet synchronous motors. Its dual high-speed PWM modules with 1 ns edge resolution generate the six MOSFET gate-drive signals for a three-phase inverter, while the dedicated QEI module interfaces directly to incremental encoders. The 70 MIPS core runs a complete FOC algorithm - Clarke/Park transforms, PI current loops, and space-vector modulation - in under 5 microseconds, leaving headroom for speed/torque loops. The 512 KB Flash stores Microchip's motor-control libraries (AN1078, AN1299) plus application code. Connect the ICSP PGECx/PGEDx pins as a matched pair for in-circuit debugging during motor tuning.
Recommandé
Solar Inverter / Digital Power Conversion
For photovoltaic inverters and digital power supplies, the DSPIC33EP512MC806-I/PT combines high-resolution PWM with deterministic interrupt response to implement MPPT, grid synchronization, and active power-factor correction. The dual high-speed PWMs operate at switching frequencies up to 1 MHz with programmable dead time, ideal for full-bridge and totem-pole PFC topologies. The 12-bit ADC (18 channels, per family) samples current and voltage with sub-microsecond latency. Dual CAN 2.0B modules interface with battery management and grid-monitoring subsystems, while 52 KB RAM buffers one or more power-line cycles of waveform data. The 512 KB Flash holds DSP libraries and grid-code firmware with room for secure firmware-update bootloaders.
Recommandé
Industrial Automation / CAN Nodes
The DSPIC33EP512MC806-I/PT's dual independent CAN 2.0B controllers make it an ideal node controller for industrial CANopen or DeviceNet networks. Each CAN module supports bit rates up to 1 Mbps with 32 acceptance filters, allowing two simultaneous fieldbus segments or a CAN bridge application. The 53 GPIO pins drive opto-isolated I/O, relays, and HMI displays, while the UART/USART channels support RS-485 Modbus or LIN sub-bus communication. With 52 KB RAM, the device can buffer incoming CAN frames for real-time protocol-stack processing at the 70 MIPS core speed. The -40C to +85C industrial temperature grade handles factory-floor environments.
Recommandé
AC Induction Motor (ACIM) V/Hz and FOC Control
Three-phase AC induction motor drives benefit from the DSPIC33EP512MC806-I/PT's combination of dual PWMs and 70 MIPS DSP core. The hardware multiply-accumulate (MAC) and 40-bit barrel shifter accelerate the math-intensive slip-frequency and rotor-flux estimators required for indirect FOC of ACIM. Six complementary PWM outputs with programmable dead time prevent shoot-through on the IGBT half-bridge. The QEI module accepts encoder feedback for closed-loop speed control, while the ADC samples phase currents at the PWM center for sub-microsecond current-loop closure. Industrial temperature grade supports HVAC and pump-drive applications.
Recommandé
Sensor Signal Conditioning / DSP Filtering
Beyond motor control, the DSPIC33EP512MC806-I/PT functions as a 16-bit DSP for sensor signal conditioning. The core's single-cycle MAC implements FIR, IIR, and Kalman filters in real time at 70 MIPS - roughly 35 million multiply-accumulate operations per second. The 18 ADC channels (per family) interface to multi-axis sensors, and 52 KB RAM buffers data windows. Dual CAN buses and UART allow transmission of filtered sensor data to higher-level controllers. Applications include industrial vibration monitoring, predictive-maintenance sensor hubs, and precision weigh scales where DSP-class filtering outperforms generic MCU implementations.
Recommandé
Uninterruptible Power Supply (UPS) Controller
The DSPIC33EP512MC806-I/PT can serve as the primary digital controller in on-line and line-interactive UPS systems. Dual high-speed PWMs drive the inverter stage and the active PFC front end, with dead-time control and fault inputs ensuring safe MOSFET/IGBT switching. The 12-bit ADC samples inverter output current, DC bus voltage, and battery voltage for closed-loop regulation. The 512 KB Flash supports DSP algorithms for sine-wave synthesis, THD optimization, and battery-state-of-charge estimation. Dual CAN buses enable communication with battery management and system-monitoring networks. Industrial temperature rating supports server-room and industrial UPS deployments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP512MC806-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP512MC806-E/PT | DSPIC33EP256MC506-E/PT | DSPIC33EP512GM604-I/PT | DSPIC33EP512GM306-I/PT | DSPIC33EP128GM604-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin QFN - different |
| Core Speed | 70 MIPS | 70 MIPS | 60 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 512 KB | 512 KB | 256 KB | 512 KB | 512 KB | 128 KB |
| RAM | 52 KB | 52 KB | 16 KB | 52 KB | 52 KB | 8 KB |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Motor Control PWM | Dual high-speed PWM (MC family) | Dual high-speed PWM (MC family) | Dual high-speed PWM (MC family) | Standard PWM (GP family) | Standard PWM (GP family) | Standard PWM (GP family) |
| CAN Modules | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 1x CAN 2.0B |
Principaux différenciateurs
- Dual CAN 2.0B controllers in same TQFP package (vs DSPIC33EP128GM604-I/ML)
- 4x the Flash memory of the MC256 variant (vs DSPIC33EP256MC506-E/PT)
- Dedicated motor-control PWM peripherals (vs DSPIC33EP512GM306-I/PT)
Notes de conception
All four VDD pins (26, 47, 63 and the dedicated analog AVDD on pin 17) and the corresponding VSS pins (27, 48, 64 and AVSS on pin 18) must each be connected and bypassed with 100 nF ceramic capacitors placed as close to the IC as possible - within 3 mm trace length. Pin 25 (VCAP) requires a low-ESR 10 uF ceramic capacitor to ground to stabilize the internal 1.8 V core regulator; insufficient capacitance causes Flash programming failures and brown-out resets.
Estimated: at 70 MIPS with all peripherals active, core current is approximately 70 mA at 3.3 V (~230 mW). The 64-pin TQFP (10x10) has a typical theta_JA of approximately 50 C/W on a standard 4-layer JEDEC test board, so a fully active device in still air at 25C ambient sits at roughly 36C junction. For closed-enclosure industrial designs above 60C ambient, ensure at least 4 cm^2 of unbroken copper pour on top and bottom layers connected to VSS for heat spreading. Industrial-grade silicon (-40C to +85C) is conservative; switch to the -E (extended) variant only when ambient can exceed 85C.
Keep the crystal traces (OSCI/OSCO, SOSCI/SOSCO) short (<10 mm) and surrounded by a ground guard ring to avoid coupling noise into the PLL. The PGECx/PGEDx pair must be routed as a matched differential pair of equal length, since the ICSP interface is synchronous; mismatched lengths cause programming failures at high debug-clock rates. The analog AVSS pin should connect to a clean analog ground island that joins the digital ground only at the PCB power-entry point to avoid ground-loop noise injection into the ADC.
Do not leave the VCAP pin floating - the internal LDO requires a minimum 1 uF low-ESR capacitor for stability, and Microchip recommends 10 uF for full operational margin. The MCLR reset pin must have a 10 kohm pull-up to VDD; floating MCLR is the most common cause of intermittent resets in production. The PGEC1/PGED1 pair cannot be repurposed as general I/O if you also need ICSP - plan the pin map accordingly.
Informations de conformité
RoHS and REACH compliant per Microchip product page. Industrial -I temperature grade - not AEC-Q100 qualified; use the -E variant for extended industrial or evaluate dsPIC33CK automotive parts for AEC-Q100.
