DSPIC33EP512GP806-I/MR - 16-bit DSC 70 MIPS 512KB Flash | Microchip
MPN: DSPIC33EP512GP806-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.52 | $552.00 |
| 500 | $4.97 | $2,485.00 |
| 1,000 | $4.48 | $4,480.00 |
DSPIC33EP512GP806-I/MR Overview
A digital signal controller combines the deterministic control structure of a microcontroller with the mathematical throughput of a digital signal processor. In the embedded system hierarchy, the dsPIC33E family sits between general-purpose 16-bit MCUs and full DSPs, making it well suited for closed-loop control applications that also require math-intensive algorithms such as PID, filters, and transforms.
Key features include two independent ADC modules: one configurable as 10-bit, 1.1 Msps with four sample-and-hold circuits, or 12-bit, 500 ksps with one sample-and-hold; a second 10-bit, 1.1 Msps ADC with four sample-and-hold inputs. Combined, the two modules support eight sample-and-hold circuits using both 10-bit modules. The 64-pin device provides up to 24 analog channels with flexible and independent ADC trigger sources, plus up to three analog comparators.
The GP (general purpose) family also integrates enhanced CAN communication and an 8-bit parallel master port for easier graphic display interfacing, alongside high-speed PWM output, making it a strong fit for motor control, digital power conversion, and industrial networking nodes.
Typical applications include sensorless BLDC and PMSM motor control, switched-mode power supplies and digital lighting, industrial CAN networking gateways, and graphic-display-equipped control panels. The dual CAN capability allows bridging of two CAN buses on a single chip.
Design consideration: Microchip documentation notes that all VDD and VSS pins must be connected for programming to succeed, and this device is more sensitive to cross-talk between PGEC and PGED programming lines than other PIC devices; route these traces short and away from aggressors.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes beyond the raw manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GP806-I/MR — 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 DSPIC33EP512GP806-I/MR (same form factor and footprint) — differing in Package, CAN Modules, Core, Operating Temperature, PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM806-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MC806-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$13.1 / Unit
View Datasheet →DSPIC33EP256GP806-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GP806-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256GM806-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256MC806-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GP806-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E |
| Maximum CPU Speed | 70 MIPS |
| Flash Program Memory | 512 KB (170K x 24) |
| RAM | 53,248 bytes |
| ADC 1 | 10-bit, 1.1 Msps (4 S&H) or 12-bit, 500 ksps (1 S&H) |
| ADC 2 | 10-bit, 1.1 Msps with 4 S&H |
| Analog Channels (64-pin device) | 24 |
| Analog Comparators | Up to 3 |
| CAN Modules | Dual CAN (2 independent) |
| Package | 64-VQFN, 9x9 mm |
| Operating Temperature Range | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Graphic Display Interface | 8-bit parallel master port |
| PWM | High-speed PWM |
| Packaging | Tube |
| Peripherals Type | GP (General Purpose) |
DSPIC33EP512GP806-I/MR 64-vqfn, 9x9 mm Pin Configuration Guide
Pin configuration for DSPIC33EP512GP806-I/MR (64-vqfn, 9x9 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 DSPIC33EP512GP806-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GP806-I/MR is suitable for 6 applications: Sensorless Motor Control, Industrial CAN Gateways, Digital Power Conversion, Graphic Display Control Panels, Precision Sensor Acquisition, Automotive-Adjacent Body and Lighting Control.
Sensorless Motor Control
The DSPIC33EP512GP806-I/MR fits sensorless BLDC and PMSM motor control because its 70 MIPS DSP core executes field-oriented control loops with headroom while the two independent ADC modules (10-bit 1.1 Msps with four S&H each) sample phase currents and DC bus voltage in one control cycle. The 24 analog channels on the 64-pin device allow multi-point sensing with independent trigger sources synchronized to the high-speed PWM. In a typical topology, the high-speed PWM drives a three-phase inverter while ADC triggers fire at PWM center for clean current sampling; the deterministic 16-bit core closes the current loop within one PWM period. Firmware memory of 512KB leaves room for advanced observers plus diagnostics. Estimated efficiency gains and loop bandwidth depend on the power stage; validate ADC-PWM trigger latency against your switching frequency budget.
Recommended
Industrial CAN Gateways
The dual independent CAN modules on the DSPIC33EP512GP806-I/MR make it a natural single-chip CAN-to-CAN gateway or protocol translator in industrial networks. With 70 MIPS of processing headroom, the device performs filtering, re-mapping, and rate translation between two buses concurrently while leaving margin for diagnostics and higher-layer stacks. The 512KB flash accommodates full CANopen or J1939 stacks with logging. In a typical gateway node, each CAN module pairs with an external transceiver, and the 8-bit parallel master port can drive a local status display. Unlike single-CAN MCUs, no external bridge controller is needed, reducing BOM count and latency. Validate bus-off recovery and error-confinement firmware against CiA expectations for your target network, and route the two CAN differential pairs away from the PGED/PGEC programming traces to avoid the documented cross-talk sensitivity.
Recommended
Digital Power Conversion
The DSPIC33EP512GP806-I/MR serves digital SMPS, PFC, and lighting power supplies where its 12-bit, 500 ksps ADC mode provides higher resolution for voltage-loop feedback, while the 10-bit 1.1 Msps mode samples fast currents. Up to three analog comparators support hardware-based cycle-by-cycle current limiting independent of software latency, a critical safety layer in power conversion. The high-speed PWM module generates complementary outputs with dead-time control for half-bridge and full-bridge topologies, and flexible ADC trigger sources allow sampling synchronized to PWM events for jitter-free control loops. The 64-pin VQFN gives sufficient GPIO for housekeeping, fan control, and PMBus-style telemetry over UART or CAN. Estimate thermal load from switching plus core dissipation; the exposed VQFN pad should be soldered to a ground plane for heat spreading.
Recommended
Graphic Display Control Panels
Microchip designed the dsPIC33E GP family's 8-bit parallel master port specifically to simplify graphic display interfacing, and the DSPIC33EP512GP806-I/MR leverages it to drive TFT and character LCD panels directly. The 53,248 bytes of RAM holds segment buffers or partial frame data, while 70 MIPS throughput sustains responsive drawing and touch scanning. The 24 analog channels can read a resistive touch screen and back-light sense inputs without an external touch controller, and dual CAN connects the panel to the machine network simultaneously. In a typical HMI node, the parallel bus drives the display module while SPI or I2C handles touch and serial EEPROM for settings storage. Keep the parallel display bus traces length-matched and short to maintain timing margins at full core speed.
Recommended
Precision Sensor Acquisition
With two ADC modules offering 12-bit, 500 ksps conversion and up to eight 10-bit sample-and-hold inputs sharing 24 analog channels, the DSPIC33EP512GP806-I/MR suits multi-channel sensor front ends in industrial monitoring. Independent, flexible ADC trigger sources let one control cycle capture vibration, pressure, and temperature channels simultaneously - important for time-correlated diagnostics. Up to three analog comparators add fast threshold detection for over-range alarms without CPU intervention, and the DSP MAC instructions run FIR/IIR filtering on captured data in real time. The 512KB flash stores long calibration tables and local data logging. For best accuracy, follow the datasheet ADC reference guidance, keep analog routing away from PGED/PGEC lines (documented cross-talk sensitivity), and average multiple samples since 12-bit effective resolution depends on layout and reference quality.
Recommended
Automotive-Adjacent Body and Lighting Control
The DSPIC33EP512GP806-I/MR is used in industrial-grade vehicle and lighting controllers where its dual CAN handles in-vehicle networking, the high-speed PWM drives LED strings or lamp loads with dimming control, and the 10-bit 1.1 Msps ADCs read current-shunt feedback for closed-loop brightness. The 70 MIPS core runs diagnostics and fault-logging with 512KB of flash for feature-rich firmware. Note this specific -I (industrial, -40C to +85C) temperature grade is not the automotive -E grade; for applications requiring extended temperature qualification, the same 64-pin footprint exists in E-grade family members, enabling PCB reuse. Design the CAN segment with proper transceivers and common-mode filtering, and keep PGED/PGEC traces short per the documented programming sensitivity to ensure reliable in-circuit firmware updates on the production line.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GP806-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM806-I/MR | DSPIC33EP256GP806-I/MR | DSPIC33EP128GP806-I/MR | DSPIC33EP256MC806-I/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9) | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Program Memory | 512 KB (170K x 24) | 512 KB | 256 KB | 128 KB | 256 KB |
| ADC Capability | 10-bit 1.1 Msps (4 S&H) / 12-bit 500 ksps; 2nd 10-bit 1.1 Msps | Same dual-ADC architecture | Same dual-ADC architecture | Same dual-ADC architecture | Same dual-ADC architecture |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Sub-Family Peripheral Focus | GP (general purpose) | GM (motor control) | GP (general purpose) | GP (general purpose) | MC (motor control) |
Key Differentiators
- Maximum flash density in the 64-pin GP family (vs DSPIC33EP256GP806-I/MR)
- General-purpose peripheral balance (vs DSPIC33EP512GM806-I/MR)
- Cost-optimized same-footprint fallbacks exist (vs DSPIC33EP128GP806-I/MR)
- Honest trade-off: industrial-only temperature grade (vs E-grade family members)
Design Notes
All VDD and VSS pins must be connected on the 64-pin device - leaving even one power pin unconnected can cause programming failure. Additionally, community and Microchip documentation note that the dsPIC33EP512GP806 is more sensitive to cross-talk between the PGEC and PGED lines than other PIC devices, which can manifest as an inability to connect or verification failures during ICSP. Route PGED/PGEC traces short, away from PWM and CAN aggressors, and series-resist if needed.
The dual ADC architecture is a strength only if triggers are clean. Use the flexible independent ADC trigger sources to fire sampling at PWM center or zero-vector points; free-running sampling on a switching converter will alias switching noise into your 12-bit readings. Place the RC anti-alias filter between shunt/amplifier and the ANx pin close to the device, and verify the ADC acquisition time against the source impedance in the datasheet electrical characteristics.
For the 64-VQFN (9x9 mm) package, the center exposed thermal pad must be soldered to a stitched ground plane - it is the primary return-current and heat-spreading path. The tube packaging means hand-placing prototypes is common; use a stencil with at least 80% pad coverage on the center pad to prevent voids. Place VDD decoupling (100 nF per pin pair plus bulk) on the underside or within 2 mm of the supply pins, as the 70 MIPS core draws fast transient currents.
Estimated: dsPIC33EP devices in this family draw on the order of tens of milliamps at 70 MIPS from a nominal 3.3V rail (exact ICC is in the datasheet electrical characteristics - verify before sizing the regulator). Budget for peripherals: dual CAN transceivers add ~50-70 mA worst case per node, and the analog supply should be filtered (ferrite + local bulk) to keep ADC noise low on the 24 analog channels.
Compliance Information
Compliance details were not present in the retrieved web data; the -I/MR ordering code indicates industrial temperature and Microchip standard packaging. Verify RoHS/REACH status on the official Microchip product page before procurement.
