DSPIC33EP512GM310-E/PT - 16-bit 70 MIPS DSC 512KB Flash | Microchip
MPN: DSPIC33EP512GM310-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.8 | $9.80 |
| 10 | $8.85 | $88.50 |
| 100 | $7.9 | $790.00 |
| 500 | $7.15 | $3,575.00 |
| 1,000 | $6.55 | $6,550.00 |
DSPIC33EP512GM310-E/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with the mathematical acceleration of a DSP. In the embedded-systems hierarchy, the dsPIC33E family sits between general-purpose 16-bit MCUs and dedicated DSPs: it executes C-compiled control code while its DSP engine performs multiply-accumulate, division assist, and barrel-shift operations in single cycles. This makes DSCs the preferred device class for closed-loop power conversion and motion systems.
Key features of the DSPIC33EP512GM310 include 49,152 words of RAM, 13 timers, four serial I/O ports for UART/SPI/I2C connectivity, four DMA channels for low-CPU-overhead data movement, and integrated operational amplifiers and motor-control PWM peripherals. Barrel shifter and boundary-scan (JTAG) support further strengthen its use in precision instrumentation and in-circuit debugging.
The device is fabricated in CMOS Flash process technology and supports a maximum clock frequency of 60 MHz, delivering up to 70 MIPS of effective instruction throughput through the dsPIC33E pipelined core. The DSP engine with its 17-bit x 17-bit multiplier and 40-bit accumulator enables fast FIR filtering, PID compensation, and Clarke/Park transformations for field-oriented motor control.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, totem-pole PFC), solar inverters, and automotive body/electrification subsystems where AEC-Q100 qualification is mandatory. The -E grade operates across the full extended temperature range, making the part suitable for under-hood-adjacent environments.
Design consideration: connect all VDD/VSS pairs and provide a low-ESR 0.1 uF decoupling capacitor at each supply pin per the dsPIC33EPXXXGM3XX/6XX/7XX family datasheet connection checklist; MCLR requires a pull-up of approximately 10 kohm.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GM310-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 DSPIC33EP512GM310-E/PT (same form factor and footprint) — differing in Package, Core Architecture, RAM, Operating Temperature, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM310-I/PT
✅ Drop-In✓ In Stock
$6.38 / Unit
View Datasheet →DSPIC33EP256GM310T-I/PT
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC33EP512GM310-E/BG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC33EP256MU810T-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.62 / Unit
View Datasheet →DSPIC33EP512GM310-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Instruction Throughput | 70 MIPS |
| Maximum Clock Frequency | 60 MHz |
| Program Memory (Flash) | 512 KB (170K x 24) |
| RAM | 49,152 words |
| Supply Voltage | 3.3 V |
| Timers | 13 |
| Serial I/O Ports | 4 |
| DMA Channels | 4 |
| DSP Features | Barrel shifter, single-cycle MAC, division assist |
| On-chip Peripherals | Motor control PWM, operational amplifiers |
| Debug / Test | Boundary scan (JTAG), ICE support |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Qualification | Automotive AEC-Q100 qualified |
| Temperature Grade | E (extended) grade |
| RoHS Status | Lead free / RoHS compliant |
| Packaging | Tray |
DSPIC33EP512GM310-E/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP512GM310-E/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 DSPIC33EP512GM310-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GM310-E/PT is suitable for 6 applications: BLDC/PMSM Field-Oriented Motor Control, Automotive Body and Electrification Modules, Digital Power Supplies and Inverters, Industrial Sensing and Instrumentation, Renewable Energy Converters, Embedded Control with Multi-Protocol Connectivity.
BLDC/PMSM Field-Oriented Motor Control
The DSPIC33EP512GM310-E/PT is purpose-built for precision motor control: its 70 MIPS dsPIC33E core executes Clarke/Park transforms and current-loop PI compensation within 16-20 kHz PWM cycles, while the DSP engine's single-cycle 17x17 MAC accelerates filter and observer math. On-chip motor-control PWM peripherals generate complementary dead-band-gated drive signals, and integrated operational amplifiers condition low-side shunt currents without external amplification, reducing BOM cost. Four DMA channels move ADC results to RAM without CPU intervention, preserving cycles for the speed loop. In FOC drives, this controller typically closes a full current loop in under 5 us per phase-current sample, and the AEC-Q100 -E grade suits automotive traction-adjacent and pump/fan applications.
Recommended
Automotive Body and Electrification Modules
AEC-Q100 qualification in the extended -E temperature grade makes the DSPIC33EP512GM310-E/PT appropriate for automotive subsystems such as pump controls, actuator drivers, HVAC blowers, and lighting modules. The 512 KB Flash accommodates full communication stacks (LIN/CAN via the serial ports and DMA), bootloaders with firmware-in-application update, and calibration data tables. The 3.3 V CMOS design with boundary-scan support eases in-board diagnostics and production ICT test coverage. Because automotive variants of the same die exist across flash sizes (256 KB to 512 KB), a single qualified PCB can span model tiers by swapping memory-density-compatible MPNs, protecting the tooling investment across platform derivatives.
Recommended
Digital Power Supplies and Inverters
In LLC converters, totem-pole PFC stages, and solar micro-inverters, the DSPIC33EP512GM310-E/PT closes voltage and current loops at switching frequencies where analog controllers traditionally dominated. The 70 MIPS core executes multi-loop compensation at 100 kHz control bandwidths, with the 40-bit DSP accumulator maintaining precision in resonant-tank current calculations. The 13-timer bank provides interleaved PWM phases with cycle-by-cycle current limiting hardware, and the four DMA channels stream ADC samples from multiple sensors (input voltage, tank current, output voltage, temperature) continuously. Nonlinear characteristics such as burst mode, synchronous-rectifier phase management, and fault ride-through are implemented in firmware, enabling product differentiation that fixed-function controllers cannot match.
Recommended
Industrial Sensing and Instrumentation
With integrated operational amplifiers, a 12-bit ADC pipeline serviced by DMA, and the DSP filtering engine, the GM310 functions as a complete sensor-signal-chain processor: bridge excitation, amplification, digitization, digital filtering, and linearization on one die. The 512 KB Flash stores multi-point calibration tables and compensation firmware, while 49,152 words of RAM buffer waveform captures for analysis or logging. Four serial ports connect simultaneously to displays, host PLCs, and local actuators. The extended temperature tolerance supports panel-mounted and outdoor industrial instruments, and the boundary-scan interface permits automated functional test in high-mix production environments where per-unit test time directly affects cost.
Recommended
Renewable Energy Converters
Solar optimizers and small wind converters require MPPT algorithms that adapt to fast irradiance changes - a task well matched to the GM310's 70 MIPS throughput and DSP multiply-accumulate rate. The controller samples PV voltage/current via DMA and runs incremental-conductance or perturb-and-observe MPPT at kilohertz update rates while simultaneously managing power-stage PWM with hardware dead-band control. Flash capacity supports certified safety firmware (grid-protection routines, arc-fault detection) alongside the core control loop, and the -E automotive grade tolerates rooftop and enclosure temperature extremes. The 3.3 V single-supply design simplifies bias generation from the auxiliary flyback winding.
Recommended
Embedded Control with Multi-Protocol Connectivity
Products that bridge industrial protocols - a gateway translating Modbus RTU to CAN or a smart actuator with a service UART - exploit the GM310's four independent serial I/O ports, each supported by DMA to eliminate byte-level interrupt load. The 70 MIPS core concurrently runs protocol stacks, application logic, and a real-time task scheduler with substantial margin. At 3.3 V with CMOS Flash technology and JTAG boundary scan, the device integrates cleanly into networked equipment requiring production test access. The 512 KB Flash leaves generous room for multiple protocol variants, parameter sets, and future OTA firmware expansion, an advantage over smaller 64 KB-class MCUs when a single hardware platform must serve many customers.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM310-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM310-I/PT | DSPIC33EP256GM310T-I/PT | DSPIC33EP256MU810T-E/PT |
|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP - same footprint family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 512 KB (170K x 24) | 512 KB (170K x 24) | 256 KB | 256 KB |
| Core / Throughput | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 60 MIPS class |
| Temperature Grade | -E (extended, AEC-Q100) | -I (industrial) | -I (industrial) | -E (extended) |
| USB Peripheral | No | No | No | Yes (USB OTG) |
| Qualification | AEC-Q100 automotive | Not automotive graded | Not automotive graded | Extended grade available |
Key Differentiators
- AEC-Q100 automotive extended grade (vs DSPIC33EP512GM310-I/PT)
- Advantage (vs DSPIC33EP256GM310T-I/PT)
- Analog integration over the USB-focused sibling (vs DSPIC33EP256MU810T-E/PT)
Design Notes
Supply all VDD/VSS pairs of the 100-pin TQFP and decouple each pair with a low-ESR 0.1 uF ceramic capacitor placed within 2-3 mm of the pin, plus one bulk 4.7-10 uF capacitor per device, per the dsPIC33EPXXXGM3XX/6XX/7XX family datasheet minimum-connection checklist. The dsPIC33E core draws transient currents at 60 MHz operation; shared long ground returns cause brown-out resets that mimic firmware bugs. Place an RC low-pass on AVDD for ADC accuracy when analog precision matters.
MCLR must be pulled up (approximately 10 kohm) to VDD and kept below the absolute maximum rating; programming tools tolerate this topology directly. The device family document explicitly lists MCLR, all VDD/VSS, and oscillator pins as mandatory connections - omitting decoupling on any AVDD pin degrades the on-chip op-amp and ADC performance. When migrating code from 256 KB family members to the 512 KB die, update linker script memory ranges or the build will silently truncate at the smaller boundary.
Route motor-control PWM outputs away from analog inputs feeding the on-chip op-amps; the complementary PWM drivers switch amps of current with fast edges that couple into high-impedance shunt nodes. Use the DMA-driven ADC scanning mode rather than software-triggered sampling so sampling instants align deterministically with PWM centers - this halves current-sense ripple error in FOC drives. Keep the oscillator crystal loop compact with guard ground if using an external primary crystal rather than the internal FRC.
Compliance Information
RoHS compliant and lead free per YIC Electronics product data. AEC-Q100 automotive qualification per datasheets.com parametric data (updated 01-JUN-2024). REACH, halogen-free, and conflict-minerals statuses not stated in verified data.
