DSPIC33EP512GP502-E/MM - 16-bit DSC 512KB Flash 28-QFN | Microchip
MPN: DSPIC33EP512GP502-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.06 | $50.60 |
| 100 | $4.51 | $451.00 |
| 500 | $4.06 | $2,030.00 |
| 1,000 | $3.65 | $3,650.00 |
DSPIC33EP512GP502-E/MM Overview
A digital signal controller combines the compute architecture of a 16-bit microcontroller with the multiply-accumulate and DSP instruction engine of a digital signal processor. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making it ideal for control loops that require both fast math and rich peripheral integration. The dsPIC33E family is Microchip's high-performance 16-bit DSC platform for embedded control systems.
Key features of the dsPIC33EP512GP502 include the highest-speed 70 MIPS dsPIC33E core, superior ADC performance, CAN communication, a Charge Time Measurement Unit (CTMU), an integrated operational amplifier (op amp) and comparators, high-speed PWM outputs, and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. These peripherals offload timing-critical tasks from the CPU, reducing interrupt latency and firmware complexity.
Technically, the device executes an enhanced 16-bit RISC instruction set with DSP extensions, supporting In-Circuit and In-Application Programming, two program and two complex data breakpoints, and IEEE 1149.2-compatible (JTAG) boundary scan for trace and run-time watch. The 512 KB flash is organized as 170K x 24-bit words, and on-chip flash ECC improves reliability in electrically noisy environments.
Typical applications include digital power supplies and power factor correction, brushless DC and PMSM motor control, automotive body and comfort modules (leveraging AEC-Q100 qualification), and industrial sensing with the CTMU for capacitive-touch or time-domain measurements.
For design, note that the QFN-28 package requires careful thermal pad grounding and the device typically runs from a single 3.3V supply with core voltage internally regulated via a VCAP capacitor - follow the manufacturer datasheet layout guidance exactly.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP512GP502-E/MM — 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 DSPIC33EP512GP502-E/MM (same form factor and footprint) — differing in Package, Qualification.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP256GP502-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GP502-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GP502T-E/MM
✅ Drop-In✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP64GP502-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GP502-E/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC RISC with DSP engine |
| Core Clock | 60 MHz |
| Performance | Up to 70 MIPS |
| Program Memory (Flash) | 512 KB (170K x 24) |
| RAM | 48 KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-QFN-S (6x6 mm) with EP |
| Mounting Type | Surface Mount |
| CAN Modules | Yes (CAN communication) |
| Integrated Op Amp | Yes |
| Comparators | Yes |
| Hi-Speed PWM | Yes |
| CTMU | Yes (Charge Time Measurement Unit) |
| Peripheral Trigger Generator (PTG) | Yes |
| JTAG / Boundary Scan | IEEE 1149.2 compatible |
| Debug Features | 2 program and 2 complex data breakpoints, trace and run-time watch |
| Programming | In-Circuit and In-Application Programming (ICSP/IAP) |
| Qualification | AEC-Q100 automotive |
| RoHS Status | Compliant |
DSPIC33EP512GP502-E/MM 28-qfn-s (6x6 mm) with ep Pin Configuration Guide
Pin configuration for DSPIC33EP512GP502-E/MM (28-qfn-s (6x6 mm) with ep 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 DSPIC33EP512GP502-E/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GP502-E/MM is suitable for 6 applications: Digital Power Conversion, Brushless DC and PMSM Motor Control, Automotive Body and Comfort Modules, Industrial Sensing and Capacitive Touch (CTMU), CAN-Based Industrial Networking Nodes, Portable Instruments and Test Equipment.
Digital Power Conversion
The DSPIC33EP512GP502-E/MM fits digital power supplies, PFC stages, and LLC resonant converters because its 60 MHz (70 MIPS) core executes the control loop fast enough for switching frequencies in the hundreds of kHz, while hi-speed PWM peripherals generate high-resolution complementary outputs with dead-time control. The integrated op amp and comparators allow overcurrent protection and current-sense amplification without external analog chips, shortening the fault-response path. Firmware runs from 512 KB flash with ECC, supporting complex compensation algorithms plus a CAN-linked supervisory layer. Placed as the sole controller on the power board, the DSC replaces discrete analog control loops with programmable, field-updatable compensation; the trade-off is firmware development effort versus fixed-function controller simplicity.
Recommended
Brushless DC and PMSM Motor Control
Field-oriented control (FOC) of BLDC/PMSM motors demands multiply-accumulate throughput that the dsPIC33E DSP engine delivers at 70 MIPS, making the DSPIC33EP512GP502-E/MM a strong single-chip choice for drives up to several hundred watts. The hi-speed PWM module produces center-aligned complementary signals with hardware dead time for the three-phase inverter, while the ADC with simultaneous sampling captures phase currents for the Clarke/Park transforms executed in firmware. The 28-QFN-S (6x6 mm) footprint keeps the controller near the gate drivers on compact driver boards, and the AEC-Q100 qualification plus -40C to +125C range suit automotive pumps, fans, and actuators. The 512 KB flash stores FOC routines plus commutation tables and diagnostic logging.
Recommended
Automotive Body and Comfort Modules
Because the DSPIC33EP512GP502-E/MM is AEC-Q100 qualified and rated -40C to +125C (E grade), it targets automotive body electronics such as seat controllers, lighting modules, HVAC flap actuators, and sensor conditioning nodes. The CAN peripheral integrates the module into in-vehicle networks with hardware message buffering, while the CTMU supports capacitive touch interfaces for panel controls and resistive diagnostics of lamps or loads. The integrated op amp and comparators condition analog feedback from position sensors without extra ICs, and the 512 KB flash accommodates UDS-style bootloaders and calibration tables. In-circuit programming allows firmware updates through the CAN bus at the assembly plant or in the field.
Recommended
Industrial Sensing and Capacitive Touch (CTMU)
The CTMU on the DSPIC33EP512GP502-E/MM is a precision charge-time measurement unit that measures capacitance, time intervals, and resistance with sub-nanosecond-class timing, enabling capacitive-touch buttons, slider controls, and leaky-sensor diagnostics directly on the MCU - no dedicated touch controller required. Combined with the integrated op amp for signal amplification and comparators for threshold detection, a complete sensing channel is built inside the 28-QFN-S package. The 70 MIPS core can run filtering, baseline drift compensation, and a CAN or UART uplink concurrently. Industrial panels benefit from the extended -40C to +125C temperature range and AEC-Q100 reliability screening, which also de-risks factory-floor environments.
Recommended
CAN-Based Industrial Networking Nodes
With hardware CAN support, the DSPIC33EP512GP502-E/MM serves as an intelligent node in industrial and vehicular networks: gateways, distributed I/O, motor controllers, and telemetry units. The CAN module offloads message buffering and filtering from the CPU, so the 70 MIPS core concentrates on protocol handling, local control loops, and data reduction. The 48 KB RAM supports multiple mailboxes plus application buffers, and 512 KB flash stores protocol stacks with room for logging and future OTA images. IEEE 1149.2-compatible JTAG boundary scan aids production test of densely populated boards. A low-cost CAN transceiver and a 3.3V LDO complete a minimal, robust node around the QFN-28 controller.
Recommended
Portable Instruments and Test Equipment
The Peripheral Trigger Generator (PTG) on the DSPIC33EP512GP502-E/MM sequences ADC sampling, PWM updates, and other peripherals autonomously, producing deterministic measurement timing in handheld instruments, data loggers, and signal analyzers without CPU jitter. The DSP instruction set accelerates FFTs and digital filtering for spectrum or waveform analysis, while 512 KB flash retains multiple instrument personalities or calibration datasets in one unit. The 3.3V single-supply operation and compact 6x6 mm QFN package suit battery-powered designs, and in-application programming allows firmware feature updates over USB-UART bridges. Breakpoints, trace, and run-time watch shorten firmware bring-up compared with simpler MCUs lacking these debug facilities.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GP502-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP256GP502-E/MM | DSPIC33EP128GP502-E/MM | DSPIC33EP32GP502T-E/MM | DSPIC33EP64GP502-E/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) EP | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 512 KB | 256 KB | 128 KB | 32 KB | 64 KB |
| Core Performance | 60 MHz / up to 70 MIPS | 60 MHz / up to 70 MIPS | 60 MHz / up to 70 MIPS | 60 MHz / up to 70 MIPS | 60 MHz / up to 70 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C | -40C to +125C | -40C to +125C (E) | -40C to +125C |
| Peripherals (CAN, Op Amp, PWM, CTMU, PTG) | Yes - full set | Yes - same family peripherals | Yes - same family peripherals | Yes - same family peripherals | Yes - same family peripherals |
Key Differentiators
- Maximum flash in the 28-QFN GP502 family (vs DSPIC33EP256GP502-E/MM)
- Production-sustained AEC-Q100 qualified part (vs DSPIC33EP32GP502T-E/MM)
- Integrated analog set (op amp + comparators + CTMU) (vs DSPIC33EP128GP502-E/MM)
Design Notes
The 28-QFN-S (6x6 mm) EP package has an exposed pad on the underside that must be soldered to a grounded copper pour for both mechanical retention and thermal dissipation. Use a solder-mask-defined land pattern with approximately 5x5 thermal vias (0.3 mm drill, filled or tented) under the pad. Decouple VDD with at least one 0.1 uF ceramic capacitor placed within 2 mm of the pin plus one 4.7-10 uF bulk capacitor. Check the manufacturer datasheet layout section for the recommended QFN land-pattern dimensions before finalizing the footprint.
The dsPIC33E core is internally regulated from the 3.3V I/O supply; connect the required VCAP/VDDCORE capacitor (value per the manufacturer datasheet, typically a low-ESR ceramic of about 10 uF) exactly as specified. Estimated: do not omit this capacitor - the core regulator will be unstable and the device may fail to start. Power up VDD monotonically; brown-out configuration (via configuration bits) should be enabled for automotive and industrial environments where supply dips are common. Keep the CAN transceiver supply separated or well-filtered from the MCU rail to prevent transceiver switching currents from disturbing ADC accuracy.
Peripheral Pin Select (PPS) on dsPIC33E devices must be configured at reset before UART/CAN/other remappable functions work - a frequent cause of 'dead' first-boot boards. Also remember that configuration bits (oscillator source, watch-dog, code protection) live in flash config words, not code: verify them in the linker script or programming file. When using the CTMU for touch, calibrate per-unit during production because stray capacitance varies with the PCB. Finally, validate the -E grade supply and pin currents against the datasheet if running at 125C ambient.
Compliance Information
AEC-Q100 automotive qualification per datasheets.com part record. RoHS compliance per standard Microchip production status; formal REACH/lead-free declarations not present in provided data - consult Microchip's official material declarations.
