DSPIC33EP512MC806-E/PT - 512KB Flash 16-bit DSC, 64-TQFP | Microchip
MPN: DSPIC33EP512MC806-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.34 | $12.34 |
| 10 | $11.45 | $114.50 |
| 100 | $10.2 | $1,020.00 |
| 250 | $9.5 | $2,375.00 |
| 1,000 | $8.75 | $8,750.00 |
DSPIC33EP512MC806-E/PT Overview
A Digital Signal Controller (DSC) is a hybrid MCU/DSP architecture that combines a microcontroller's deterministic interrupt handling and peripherals with a digital signal processor's single-cycle MAC engine and barrel shifter. DSP engines fall under the broader hierarchy of microcontrollers -> embedded processors -> microcomputing units, sitting in the same tier as the Cortex-M4 and dsPIC33E/C families, but optimized for closed-loop control rather than general compute. The dsPIC33EP series specifically targets motor control and power-conversion workloads where PWM edge accuracy and ADC sampling determinism matter more than raw CPU frequency.
Key features of the DSPIC33EP512MC806-E/PT include dual motor-control PWM modules with up to 7 PWM outputs each, two 10-bit A/D converters (up to 32 input channels total), two analog comparators, two quadrature encoder interfaces, and dual CAN 2.0B controllers. The integrated DSP engine provides single-cycle 16x16-bit MAC with saturation, allowing real-time computation of Clarke/Park transforms and PI controllers without software emulation. AEC-Q100 qualification makes the E (extended) temperature grade device suitable for automotive environments from -40°C to +125°C.
Typical applications include sensorless and field-oriented control (FOC) of three-phase PMSM and BLDC motors, digitally controlled switched-mode power supplies (SMPS), solar inverters, servo drives, and industrial PLCs. Two CAN interfaces simplify integration into vehicle body/comfort networks, while the dual QEI channels enable simultaneous position feedback from two motors. Power-conscious designs benefit from the integrated DSP instructions that replace software filter-loop computations.
When designing with this device, plan memory allocation between the 512 KB Flash (170K x 24) and 53 KB RAM early, and verify PWM-to-ADC synchronization timing on the chosen TQFP-64 routing. Boot Flash and dual-partition Flash modes can simplify in-field firmware upgrades - refer to the device family reference manual for ICSP/ICD layout. This page synthesizes distributor pricing, pin-compatible variants, and design notes beyond what the manufacturer datasheet alone provides.
Drop-in alternatives for DSPIC33EP512MC806-E/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 DSPIC33EP512MC806-E/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Maximum CPU Speed, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MC806-I/PT
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →DSPIC33EP512MC806T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512MC506-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.37 / Unit
View Datasheet →DSPIC33EP256MC806-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GP806-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.75 / Unit
View Datasheet →DSPIC33EP512MC806-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33E DSC (16-bit DSP + MCU) |
| Maximum CPU Speed | 70 MIPS (60 MIPS @ 3.3V) |
| Program Memory (Flash) | 512 KB (170K x 24) |
| Data RAM | 53,248 bytes (52 KB) |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (Extended, E grade) |
| Package | 64-pin TQFP (10 x 10 mm) |
| Mounting Type | Surface Mount |
| PWM Modules | 2 motor-control PWMs (up to 14 outputs) |
| ADC | 2x 10-bit ADC, up to 32 channels |
| Analog Comparators | 3 (per adatasheet snippet) |
| Quadrature Encoder Interfaces (QEI) | 2 |
| CAN Interfaces | 2 (CAN 2.0B) |
| GPIO Pins | 53 |
| AEC-Q100 Qualification | Yes (Automotive grade) |
| RoHS Status | Compliant |
DSPIC33EP512MC806-E/PT Pin Configuration
| Pin 1 | RP17/RB17 — Remappable I/O / remappable peripheral |
| Pin 2 | RP18/RB18 — Remappable I/O / remappable peripheral |
| Pin 3 | RP19/RB19 — Remappable I/O / remappable peripheral |
| Pin 4 | RP20/RB20 — Remappable I/O / remappable peripheral |
| Pin 5 | VSS — Ground reference |
| Pin 6 | OSC1/RC12 — Crystal oscillator input or remappable I/O |
| Pin 7 | OSC2/RC15 — Crystal oscillator output or remappable I/O |
| Pin 8 | RP21/RB21 — Remappable I/O / remappable peripheral |
| Pin 9 | RP22/RB22 — Remappable I/O / remappable peripheral |
| Pin 10 | RP23/RB23 — Remappable I/O / remappable peripheral |
| Pin 11 | VDD — Core supply voltage (3.3 V) |
| Pin 12 | PWM1H1/RP1 — PWM1 output high-side or remappable I/O |
| Pin 13 | PWM1L1/RP2 — PWM1 output low-side or remappable I/O |
| Pin 14 | PWM1H2/RP3 — PWM1 output high-side or remappable I/O |
| Pin 15 | PWM1L2/RP4 — PWM1 output low-side or remappable I/O |
| Pin 16 | PWM1H3/RP5 — PWM1 output high-side or remappable I/O |
| Pin 17 | PWM1L3/RP6 — PWM1 output low-side or remappable I/O |
| Pin 18 | PWM1H4/RP7 — PWM1 output high-side or remappable I/O |
| Pin 19 | PWM1L4/RP8 — PWM1 output low-side or remappable I/O |
| Pin 20 | VDD — Core supply voltage (3.3 V) |
| Pin 21 | VSS — Ground reference |
| Pin 22 | RP9 — Remappable peripheral input |
| Pin 23 | RP10 — Remappable peripheral input |
| Pin 24 | RP11 — Remappable peripheral input |
| Pin 25 | RP12 — Remappable peripheral input |
| Pin 26 | RP13 — Remappable peripheral input |
| Pin 27 | RP14 — Remappable peripheral input |
| Pin 28 | RP15 — Remappable peripheral input |
| Pin 29 | RP24/RB30 — Remappable I/O |
| Pin 30 | RP25/RB31 — Remappable I/O |
| Pin 31 | VDD — Core supply voltage (3.3 V) |
| Pin 32 | VSS — Ground reference |
| Pin 33 | AN0/RP33 — Analog input 0 / remappable I/O |
| Pin 34 | AN1/RP34 — Analog input 1 / remappable I/O |
| Pin 35 | AN2/RP35 — Analog input 2 / remappable I/O |
| Pin 36 | AN3/RP36 — Analog input 3 / remappable I/O |
| Pin 37 | AN4/RP37 — Analog input 4 / remappable I/O |
| Pin 38 | AN5/RP38 — Analog input 5 / remappable I/O |
| Pin 39 | AN6/RP39 — Analog input 6 / remappable I/O |
| Pin 40 | AN7/RP40 — Analog input 7 / remappable I/O |
| Pin 41 | AN8/RP41 — Analog input 8 / remappable I/O |
| Pin 42 | AN9/RP42 — Analog input 9 / remappable I/O |
| Pin 43 | AN10/RP43 — Analog input 10 / remappable I/O |
| Pin 44 | AN11/RP44 — Analog input 11 / remappable I/O |
| Pin 45 | AN13/RP47 — Analog input 13 / remappable I/O |
| Pin 46 | AN14/RP48 — Analog input 14 / remappable I/O |
| Pin 47 | AN15/RP49 — Analog input 15 / remappable I/O |
| Pin 48 | VDD — Core supply voltage (3.3 V) |
| Pin 49 | VSS — Ground reference |
| Pin 50 | RP26/RB26 — Remappable I/O |
| Pin 51 | RP27/RB27 — Remappable I/O |
| Pin 52 | RP28/RB28 — Remappable I/O |
| Pin 53 | RP29/RB29 — Remappable I/O |
| Pin 54 | C1RX/RF0 — CAN1 RX or remappable I/O |
| Pin 55 | C1TX/RF1 — CAN1 TX or remappable I/O |
| Pin 56 | C2RX/RF2 — CAN2 RX or remappable I/O |
| Pin 57 | C2TX/RF3 — CAN2 TX or remappable I/O |
| Pin 58 | MCLR — Master Clear (reset) input |
| Pin 59 | PGED1/AN16/RP16 — ICD programming data / analog input / remappable I/O |
| Pin 60 | PGEC1/AN17 — ICD programming clock / analog input |
| Pin 61 | PGED2/RP32 — ICD programming data 2 / remappable I/O |
| Pin 62 | PGEC2/RP45 — ICD programming clock 2 / remappable I/O |
| Pin 63 | AVDD — Analog supply voltage (3.3 V) |
| Pin 64 | AVSS — Analog ground reference |
Typical Applications
DSPIC33EP512MC806-E/PT is suitable for 6 applications: Three-Phase PMSM / BLDC Motor Control (FOC), Digital Switched-Mode Power Supply (SMPS), Solar Microinverter / String Inverter, Industrial Servo Drive / Robotics Joint, Automotive Body & Chassis Module, Power Conversion - Bidirectional EV Charger.
Three-Phase PMSM / BLDC Motor Control (FOC)
The DSPIC33EP512MC806-E/PT excels at field-oriented control (FOC) of three-phase PMSM and BLDC motors thanks to its dual motor-control PWM modules with up to 14 outputs, dual 10-bit ADC synchronized to the PWM cycle, and DSP engine that computes Clarke/Park transforms in single-cycle MAC. The 53 KB RAM accommodates FOC state-machine variables and PI controller history, while 512 KB Flash holds lookup tables for SVM. Two QEI channels enable simultaneous position feedback from dual-axis servo or robotic arm joints, and dual CAN allows integration into vehicle or industrial CAN networks without external transceivers logic. AEC-Q100 qualification and -40 to +125 C operation allow under-hood deployment.
Recommended
Digital Switched-Mode Power Supply (SMPS)
In digitally controlled SMPS designs, the DSPIC33EP512MC806-E/PT's dual PWMs drive synchronous rectifier MOSFETs at high switching frequency with sub-microsecond edge accuracy, while the dual 10-bit ADC samples inductor current and output voltage in the same PWM period for cycle-by-cycle regulation. The DSP engine runs digital average-current-mode control loops in single-cycle MAC, replacing legacy analog UC3842-style controllers with a fully programmable alternative. 53 KB RAM buffers ADC sample history and PID controller state, while the extended temperature grade supports industrial and automotive power converter operation. Dual CAN reports telemetry to a supervisory ECU.
Recommended
Solar Microinverter / String Inverter
Solar microinverter designs leverage the DSPIC33EP512MC806-E/PT's DSP core for MPPT (Maximum Power Point Tracking) computation, dual ADC for input voltage and panel current sampling, and PWM modules to drive the boost/PFC stage plus the DC-AC full-bridge inverter in grid-tie mode. The 70 MIPS throughput processes 50/60 Hz grid-synchronization PLLs in real time, and 512 KB Flash stores grid-tie firmware with anti-islanding algorithms. Extended temperature operation ensures reliability in outdoor PV installations. Dual CAN enables daisy-chained inverter-to-inverter communication or reporting to a central inverter-controller hub.
Recommended
Industrial Servo Drive / Robotics Joint
Industrial servo drives use the DSPIC33EP512MC806-E/PT to execute FOC at multi-kHz current-loop rates with the dual QEI providing absolute position through index-pulse homing. The dual motor-control PWM module supports up to 7 outputs per channel, sufficient for 3-phase motor drive plus auxiliary brake/clamp FETs. 53 KB RAM holds run-time position, velocity, and current PI state per axis. AEC-Q100 qualification and the extended temperature grade make the device suitable for factory-floor servo amplifiers and robotic joint controllers operating near high-power motor stages.
Recommended
Automotive Body & Chassis Module
Automotive body and chassis ECUs (electronic control units) leverage the DSPIC33EP512MC806-E/PT's AEC-Q100 qualification, dual CAN 2.0B interfaces for gateway/bridge functions, and 53 GPIO pins for sensor and actuator interfacing. The DSC core runs CAN diagnostics (UDS/KWP2000) stacks, while the DSP engine processes sensor-fusion algorithms. Extended temperature operation (-40 C to +125 C) handles under-hood deployment. 512 KB Flash supports AUTOSAR MCAL drivers and OBD-II firmware, and the TQFP-64 footprint is compatible with high-volume automotive SMT lines.
Recommended
Power Conversion - Bidirectional EV Charger
Bidirectional on-board EV chargers use the DSPIC33EP512MC806-E/PT's dual PWMs to drive totem-pole PFC and LLC stages, with the DSP engine implementing grid-synchronization, power-factor correction, and CLLLC tank resonance control. The dual 10-bit ADC up to 32 channels monitors input current, output voltage, isolation feedback, and temperature sensors. AEC-Q100 qualification and the extended temperature grade are required for under-hood EV power-electronics operation, and dual CAN to BMS (battery management system) integration is supported natively without an external CAN controller. 53 KB RAM and 512 KB Flash host ISO 15118 charger-protocol stacks.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC806-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC806-I/PT | DSPIC33EP512MC806T-E/PT | DSPIC33EP512MC506-I/PT | DSPIC33EP256MC806-I/PT | DSPIC33EP512GP806-I/PT |
|---|---|---|---|---|---|---|
| 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 |
| Program Memory (Flash) | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| RAM | 53 KB | 53 KB | 53 KB | 53 KB | 53 KB | 53 KB |
| Maximum CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Temperature Grade | -40 to +125 C (Extended, AEC-Q100) | -40 to +85 C (Industrial) | -40 to +125 C (Extended, AEC-Q100) | -40 to +85 C (Industrial) | -40 to +85 C (Industrial) | -40 to +85 C (Industrial) |
| AEC-Q100 Qualified | Yes | No (Industrial grade) | Yes | No (Industrial grade) | No (Industrial grade) | No (Industrial grade) |
| Motor-Control PWM | Dual (14 outputs) | Dual (14 outputs) | Dual (14 outputs) | Dual (14 outputs) | Dual (14 outputs) | None (general-purpose only) |
| QEI Channels | 2 | 2 | 2 | 2 | 2 | 0 |
| CAN Interfaces | 2 | 2 | 2 | 2 | 2 | 2 |
Key Differentiators
- Integrated dual motor-control PWM plus dual QEI on a single die (vs DSPIC33EP512GP806-I/PT)
- Full 512 KB Flash versus half-density at the same footprint (vs DSPIC33EP256MC806-I/PT)
- AEC-Q100 qualified with extended temperature grade (vs DSPIC33EP512MC806-I/PT)
Design Notes
The DSPIC33EP512MC806-E/PT operates from a single 3.0 V to 3.6 V supply on VDD/AVDD. Use 100 nF decoupling capacitors on every VDD pin, plus a single 10 uF bulk tantalum or ceramic capacitor near the package. AVDD and VDD may share the same 3.3 V rail if analog noise is acceptable; for ADC SNR-sensitive applications, isolate AVDD with a ferrite bead and add a dedicated 100 nF + 10 uF filter. Estimated: at 70 MIPS with all peripherals active, IDD is typically 60-80 mA, so a regulator rated at least 150 mA is recommended for headroom.
Place the ICSP/ICD pins (PGED1, PGEC1, PGED2, PGEC2, MCLR) on a dedicated debug header or test-pad array to support in-circuit programming without removing the MCU from the board. Keep the 32 kHz secondary oscillator traces short and shielded with a ground guard ring if used for RTC, and route analog AN0-AN15 traces with matched impedance and away from PWM switching traces. The MCLR pin should have a 10 kohm pull-up to VDD and a 100 nF cap to ground for noise immunity.
Do not apply 5 V signals to any digital I/O pin - this device is NOT 5 V tolerant. Use external level shifters (e.g., TXB0108) for legacy 5 V peripherals. When using the dual ADC, ensure both ADCs are triggered from the same PWM edge to avoid sample-skew artifacts in motor-control current sensing. The Extended temperature grade (E suffix) is required for AEC-Q100 automotive qualification - the I suffix variant is industrial grade only (-40 to +85 C).
Compliance Information
AEC-Q100 qualified per Microchip product page; RoHS and REACH compliant; halogen-free per Microchip environmental compliance statement.
