DSPIC33EP512MC202-H/SO - 16-bit 60MIPS DSC 512KB | Microchip
MPN: DSPIC33EP512MC202-H/SO ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EP512MC202-H/SO Overview
A digital signal controller combines the compute architecture of a microcontroller with DSP-grade math acceleration in a single core. In the power-management hierarchy, the dsPIC33E family sits at the top of Microchip's 16-bit controller line, integrating an enhanced DSP engine, high-speed MCPWM peripherals, a quadrature encoder interface (QEI), on-chip op-amps and comparators - the full analog front end needed for closed-loop power conversion and motor control.
Key features include a 16-bit RISC core with DSP instruction extensions, 512 KB self-programmable Flash with in-circuit and in-application programming, dual program breakpoints and trace, and an IEEE 1149.2-compatible JTAG boundary scan. Two pairs of PGECx/PGEDx pins support ICSP programming and debugging with any Microchip debugger.
The MCPWM module generates complementary high-speed PWM outputs with dead-time control for BLDC, PMSM, ACIM and stepper motors, while the QEI decodes incremental encoder feedback directly in hardware. Integrated op-amps and comparators condition current-shunt signals without external amplifiers, reducing BOM cost and board area.
Typical applications include precision motor control (FOC and trapezoidal drives), digital power supplies and PFC stages, automotive auxiliary systems requiring AEC-Q100 qualification, and industrial automation sensing nodes. The 3.3 V supply rail simplifies integration with modern automotive and industrial logic.
Design consideration: choose the -H/SO grade for 125C ambient environments; the pin-compatible -I/SO variant covers -40C to +85C industrial use at lower cost. Verify that 28-pin GPIO and DMA channel counts suffice before migrating from larger dsPIC33EP packages.
This page synthesizes distributor pricing context, drop-in alternatives within the dsPIC33EP MC202 family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512MC202-H/SO — 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 DSPIC33EP512MC202-H/SO (same form factor and footprint) — differing in Package, Quadrature Encoder Interface, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MC202-I/SO
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EP256MC502-H/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.38 / Unit
View Datasheet →DSPIC33EP32MC202-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.46 / Unit
View Datasheet →DSPIC33EP512MC202-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33EP512MC202-H/SO Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC DSC core |
| Max MIPS | 60 MIPS |
| Core Frequency | 60 MHz |
| Flash Program Memory | 512 KB (170K x 24) |
| SRAM | 48 KB |
| Supply Voltage | 3.3 V |
| Package | 28-SOIC |
| Mounting Type | Surface Mount |
| PWM Peripheral | MCPWM (motor control PWM) |
| Quadrature Encoder Interface | QEI |
| Analog Peripherals | Op-amps, comparators, ADC |
| Automotive Qualification | AEC-Q100 |
| Temperature Grade | -H (-40C to +125C) |
| JTAG | IEEE 1149.2 compatible boundary scan |
| Programming | ICSP and In-Application Programming |
| Debug | Two program breakpoints, trace and run-time watch |
DSPIC33EP512MC202-H/SO 28-soic Pin Configuration Guide
Pin configuration for DSPIC33EP512MC202-H/SO (28-soic 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 DSPIC33EP512MC202-H/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MC202-H/SO is suitable for 6 applications: Precision Motor Control (FOC), Automotive Auxiliary Motor Modules, Digital Power Supplies and PFC, Industrial Automation and Robotics, Sensor Signal Conditioning Nodes, Embedded Control and IoT Gateways.
Precision Motor Control (FOC)
Field-oriented control of BLDC and PMSM motors is the core design intent of the dsPIC33EP MC202 family. According to Microchip, the 60 MIPS DSP core with math acceleration executes FOC loops with sufficient bandwidth for servo-grade performance, while the MCPWM module provides complementary PWM outputs with hardware dead-time insertion for driving three-phase inverters. The QEI peripheral decodes incremental encoder feedback entirely in hardware, offloading the CPU, and the integrated op-amps amplify shunt-resistor current signals and comparators provide overcurrent trip without external analog ICs. In a 28-SOIC footprint, a complete closed-loop motor controller fits with minimal external components; the 512 KB Flash leaves generous room for trajectory planning, communication stacks, and field firmware updates.
Recommended
Automotive Auxiliary Motor Modules
The -H/SO grade carries AEC-Q100 qualification with a -40C to +125C operating range, making this device suitable for under-hood and near-engine auxiliary systems such as HVAC blowers, throttle actuators, pumps, and window lifters. The 3.3 V core integrates cleanly with automotive logic rails, the 512 KB Flash supports complex diagnostics, functional-safety firmware, and LIN/CAN protocol stacks, and the MCPWM/QEI/op-amp combination replaces discrete gate control and signal-conditioning circuitry - reducing BOM count in cost-sensitive automotive modules. JTAG boundary scan (IEEE 1149.2 compatible) supports production board test in automotive assembly. Designers should pair the controller with an AEC-Q100-qualified gate driver and follow Microchip automotive reference designs for EMC-hardened PCB layout in 12 V vehicle networks.
Recommended
Digital Power Supplies and PFC
The 60 MIPS DSP engine and MCPWM module enable digital control of switch-mode power supplies, PFC stages, and LLC resonant converters. High-resolution PWM with dead-time and trigger synchronization supports peak-current-mode and average-current-mode control loops at switching frequencies into the hundreds of kHz, while the on-chip ADC, op-amps, and comparators close voltage and current loops without external amplifiers - critical for tight transient response. The 512 KB Flash accommodates multiple operating profiles, telemetry, and PMBus-style communication. Unlike fixed-function PWM controllers, a DSC allows adaptive compensation and soft-start shaping in firmware. Place the controller close to the power stage with short gate-drive traces, and use the hardware comparator trip path for cycle-by-cycle overcurrent protection independent of CPU latency.
Recommended
Industrial Automation and Robotics
In factory automation nodes, the DSPIC33EP512MC202-H/SO acts as a compact motion and sensing controller: the QEI interface reads incremental encoders from conveyors, joints, or linear stages, the MCPWM drives actuators, and the ADC/op-amp front end processes analog sensor signals such as pressure, load cells, and temperature bridges. The 60 MIPS DSP capability runs FFT-based vibration monitoring or predictive-maintenance algorithms locally, while 512 KB Flash supports a Modbus or CAN fieldbus stack plus data logging in the 48 KB RAM. The extended -H temperature rating tolerates hot panel environments up to 125C ambient. Two ICSP/PGED pin pairs simplify in-system firmware updates on assembled machines without disassembly - a practical advantage for field service.
Recommended
Sensor Signal Conditioning Nodes
The integrated analog subsystem - op-amps, comparators, and a 12-bit-class ADC - lets the MC202 operate as a smart sensor node that amplifies, filters, and digitizes transducer signals on a single chip. Microphone and ultrasonic front ends, bridge sensors, and current-shunt monitoring all benefit from the 60 MIPS DSP instruction set for digital filtering, RMS computation, and feature extraction at the edge. The 512 KB Flash can store calibration tables, multiple sensor profiles, and communication firmware simultaneously. Because amplification occurs on-chip, analog trace lengths shrink, improving noise immunity in electrically noisy industrial settings. The 3.3 V supply matches modern sensor and logic rails, and the 28-SOIC surface-mount package suits dense multi-node PCB designs.
Recommended
Embedded Control and IoT Gateways
Beyond motor-centric uses, the device serves as a general 16-bit embedded controller: 512 KB Flash holds a substantial application plus boot-loader and file system, 48 KB RAM buffers communication payloads, and dual ICSP pin pairs enable field reprogramming. Peripherals including UART, SPI, and I2C (per the dsPIC33EP family peripheral set) connect to Wi-Fi/Bluetooth modules, displays, and memory. The 60 MIPS core handles protocol processing and lightweight DSP tasks - audio processing, metering, or encryption - that exceed classic 8-bit MCUs. The AEC-Q100 -H rating gives margin in enclosed, thermally stressed enclosures, and IEEE 1149.2 JTAG boundary scan aids production test. For designs outgrowing 28 pins, pin-compatible larger dsPIC33EP packages offer a straightforward migration path.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC202-H/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC202-I/SO | DSPIC33EP256MC502-H/SO | DSPIC33EP32MC202-I/SO | DSPIC33EP512MC202-E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB | 512 KB | 256 KB | 32 KB | 512 KB |
| Max MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Temperature Range | -40C to +125C (-H) | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| Key Peripherals | MCPWM, QEI, op-amps, comparators | MCPWM, QEI, op-amps, comparators | MCPWM, QEI, op-amps, comparators | MCPWM, QEI, op-amps, comparators | MCPWM, QEI, op-amps, comparators |
Key Differentiators
- 125C automotive operation with full motor-control peripheral set (vs DSPIC33EP512MC202-I/SO)
- Maximum flash in the 28-pin MC202 family (vs DSPIC33EP256MC502-H/SO)
- On-chip analog integration (vs DSPIC33EP32MC202-I/SO)
Design Notes
The device has more than one pair of PGECx/PGEDx programming pins. Per Microchip documentation, you must use a matched pair for ICSP: if PGEC2 carries ICSPCLK, then ICSPDAT must be on PGED2. Mixing pairs is a leading cause of 'target device not found' during in-circuit programming. Connect all VDD and VSS pins even if some appear redundant, and reserve header space for ICSP on every production PCB to allow field firmware updates on the assembled board.
Place 100 nF ceramic decoupling capacitors directly across each VDD/VSS pair with short, wide traces, plus bulk capacitance (4.7 uF to 10 uF) near the supply entry. When using the MCPWM to drive a motor bridge, keep PWM gate-drive traces away from the analog op-amp inputs, and route the shunt-sensor kelvin connections directly to the op-amp pins. Ground the analog reference with a star connection to reduce PWM switching noise coupling into ADC readings.
The device runs from a 3.3 V rail; if the system derives this from a 12 V or 24 V automotive bus, use a qualified buck regulator with load-dump transient protection and consider the internal brown-out/reset configuration so the DSC does not execute partially while the rail is collapsing. Estimated: at 60 MIPS with analog peripherals enabled, core current is in the tens of mA range - confirm exact IDD from the datasheet electrical characteristics table before finalizing the regulator rating.
For -H grade operation near +125C ambient, derate the internal power budget: junction temperature must remain within the datasheet absolute maximum, so total dissipation (core current x 3.3 V plus I/O currents) must keep theta-JA rise within margin. Estimated: a 28-SOIC theta-JA is typically on the order of 70-100 C/W on a minimal 2-layer board; use solid ground-plane copper pour and consider the -I grade plus heatsinking-free layout for designs below 85C to reduce qualification cost.
Compliance Information
AEC-Q100 automotive qualification confirmed by distributor data (datasheets.com, globalspec listing). Other compliance attributes were not present in the provided verified data.
