DSPIC33EP32MC202-H/SS - 16-bit DSC, 32KB Flash, 60MIPS | Microchip
MPN: DSPIC33EP32MC202-H/SS ✓ 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 |
DSPIC33EP32MC202-H/SS Overview
A digital signal controller combines the compute throughput of a microcontroller with DSP-grade math acceleration in a single chip. In the power-management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes C code and real-time operating tasks like an MCU while also providing hardware multiply-accumulate and high-resolution PWM peripherals purpose-built for closed-loop control of motors and power converters.
Key features of the DSPIC33EP32MC202-H/SS include the 60 MHz (60 MIPS) dsPIC33EP CPU core, 32KB of self-programmable Flash organized as 10.7K x 24-bit instruction words, 4KB of SRAM, four DMA channels, five 16-bit timers, four external interrupt inputs, and a 6-channel 10-bit/12-bit analog-to-digital converter. The MC (Motor Control) variant adds high-resolution Motor Control PWM outputs and comparator inputs suited for field-oriented control (FOC) and sensorless algorithms.
The device integrates DSP engine instructions, brown-out reset, power-on reset, and In-Circuit Serial Programming (ICSP) via any PGECx/PGEDx pair. Multiple external interrupt sources and DMA offload the CPU during high-rate ADC sampling, keeping loop closure deterministic for control applications.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, boost, PFC stages), electric tool controls, HVAC blowers, and industrial automation nodes where 3.3V operation and AEC-Q100 qualification matter.
Design consideration: this is an H-suffix (automotive/extended screening) part; verify the temperature grade needed for your enclosure before layout, and always tie all VDD/VSS pairs per the datasheet power delivery guidance.
This page synthesizes distributor data, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC202-H/SS — 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 DSPIC33EP32MC202-H/SS (same form factor and footprint) — differing in Package, RAM, Timers, Supply Voltage, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC202-I/SS
✅ Drop-In✓ In Stock
$2.68 / Unit
View Datasheet →DSPIC33EP32MC202-E/SS
✅ Drop-In✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33EP32MC202-H/SSVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256MC202T-I/SS
✅ Drop-In✓ In Stock
$3.38 / Unit
View Datasheet →DSPIC33EP32MC202-H/SS Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP 16-bit DSC core |
| CPU Speed | 60 MHz (60 MIPS) |
| Program Memory (Flash) | 32 KB (10.7K x 24-bit instructions) |
| RAM | 4 KB |
| DMA Channels | 4 |
| Timers | 5 x 16-bit |
| External Interrupts | 4 |
| ADC | 6-channel, 10-bit/12-bit |
| Motor Control PWM | Yes (MC variant) |
| Supply Voltage | 3.3 V |
| Package | 28-SSOP (0.209 in / 5.30 mm width) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 qualified (automotive) |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Reset Functions | Brown-out reset, Power-on reset |
| RoHS Status | Lead free / RoHS Compliant |
| Pin Count | 28 |
DSPIC33EP32MC202-H/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/VREF+/CN0/RB0 — Analog input 0 / positive voltage reference / change notification / port B bit 0 |
| Pin 3 | AN1/VREF-/CN1/RB1 — Analog input 1 / negative voltage reference / change notification / port B bit 1 |
| Pin 4 | PGD/AN2/CTED1/RB2 — ICSP data (PGED) / analog input 2 / current-time edge detect / port B bit 2 |
| Pin 5 | PGC/AN3/CTED2/RB3 — ICSP clock (PGEC) / analog input 3 / current-time edge detect / port B bit 3 |
| Pin 6 | AN4/C1IN-/RC0 — Analog input 4 / comparator 1 inverting input / port C bit 0 |
| Pin 7 | AN5/C1IN+/RC1 — Analog input 5 / comparator 1 non-inverting input / port C bit 1 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock input / port C bit 12 |
| Pin 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C bit 15 |
| Pin 11 | VDD — Positive supply (3.3 V) |
| Pin 12 | RPn/RF0 — Remappable peripheral pin / port F bit 0 |
| Pin 13 | RPn/RF1 — Remappable peripheral pin / port F bit 1 |
| Pin 14 | RPn/RF2 — Remappable peripheral pin / port F bit 2 |
| Pin 15 | VDD — Positive supply (3.3 V) |
| Pin 16 | RPn/RF3 — Remappable peripheral pin / port F bit 3 |
| Pin 17 | RPn/RF4 — Remappable peripheral pin / port F bit 4 |
| Pin 18 | RPn/RF5 — Remappable peripheral pin / port F bit 5 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RPn/RF6 — Remappable peripheral pin / port F bit 6 |
| Pin 21 | RPn/RF7 — Remappable peripheral pin / port F bit 7 |
| Pin 22 | RPn/RF8 — Remappable peripheral pin / port F bit 8 |
| Pin 23 | RPn/RF13 — Remappable peripheral pin / port F bit 13 |
| Pin 24 | RPn/RG6 — Remappable peripheral pin / port G bit 6 |
| Pin 25 | RPn/RG7 — Remappable peripheral pin / port G bit 7 |
| Pin 26 | RPn/RG8 — Remappable peripheral pin / port G bit 8 |
| Pin 27 | RPn/RG9 — Remappable peripheral pin / port G bit 9 |
| Pin 28 | AVDD/AVSS region — Analog supply/ground per datasheet - verify exact analog power pin function in the Microchip 28-pin pinout diagram |
Typical Applications
DSPIC33EP32MC202-H/SS is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies (PFC, LLC, Boost), Automotive Auxiliary Motor Drives, Industrial Automation Nodes, Power Tools and Appliances, HVAC Blower and Compressor Control.
BLDC / PMSM Motor Control
The DSPIC33EP32MC202-H/SS fits brushless DC and permanent-magnet synchronous motor drives because its MC variant provides complementary Motor Control PWM outputs with dead-time insertion, while the 6-channel 10/12-bit ADC samples phase currents fast enough for FOC loops running at tens of kHz. The 60 MIPS core executes Clark/Park transforms and PI regulators in firmware with headroom, and the 4 DMA channels move ADC results to RAM without CPU stalls. Used as the sole control MCU between a gate-driver front end and the current-sense shunts, it delivers deterministic commutation; the trade-off is that 32KB Flash bounds algorithm complexity, so sensorless observers with heavy lookup tables may need the 256KB pin-compatible variant.
Recommended
Digital Power Supplies (PFC, LLC, Boost)
Digital power converters need tight, phase-accurate PWM with fast ADC feedback - exactly what this DSC provides. The Motor Control PWM can drive half-bridge LLC and PFC stages with programmable dead time, the 10/12-bit ADC feeds voltage/current error loops, and the 60 MIPS core closes loops in firmware where analog controllers would need external compensation networks. DMA offloads high-rate ADC sampling to keep interrupt latency low, improving transient response. Placed as the controller between the rectified bus and the power stage, the device eliminates analog drift; the design consideration is firmware complexity and code space, so engineers porting nonlinear control laws should verify the 32KB Flash budget during prototyping.
Recommended
Automotive Auxiliary Motor Drives
Because the DSPIC33EP32MC202-H/SS is AEC-Q100 qualified with H temperature screening, it suits automotive auxiliary actuators - radiator fans, pumps, HVAC blowers, and throttle-position drives. The 3.3V core with brown-out and power-on reset supports the noisy 12V electrical environment when paired with a load-dump-rated regulator, and the 60 MHz core handles diagnostic state machines alongside the commutation loop. The four external interrupt inputs capture position-hall edges directly. Used as the drive MCU behind an automotive gate driver, it reduces BOM versus discrete control logic; the constraint is that safety-critical functions (ASIL-rated) typically require additional external monitoring or a higher-integration safety MCU.
Recommended
Industrial Automation Nodes
On factory machinery and motion subsystems, this DSC serves as a compact control node combining sensor acquisition and actuator drive. The 16-bit core with DSP instructions filters vibration or current-signature data on-device, the five 16-bit timers generate coordinated trigger sequences, and peripheral pin-select style remapping lets designers route PWM, capture, and serial functions to optimal board positions, simplifying layout. With 4KB RAM, it buffers short data windows for condition-monitoring features. Typical deployment: sensing shunt or hall inputs, running the control loop, and reporting status over a serial link to a supervisory PLC. For heavy networking stacks, the RAM and Flash may be the limiting factor versus larger 504/806 family members.
Recommended
Power Tools and Appliances
Cordless power tools and premium appliances need compact, low-cost motor controllers with fast current limiting - a good match for the 28-pin SSOP footprint and integrated Motor Control PWM of this part. The 60 MIPS core executes rapid overcurrent cutoffs, the ADC monitors battery pack voltage and motor temperature, and ICSP allows firmware updates on the production line with a standard Microchip programmer pair (PGECx/PGEDx). AEC-Q100 screening exceeds consumer requirements, adding margin for hot enclosures. Placed between the trigger input and a three-phase inverter stage, it provides sensorless startup and speed control; designers should budget the 32KB Flash across commutation, protection, and UI logic early in the project.
Recommended
HVAC Blower and Compressor Control
Variable-speed HVAC blowers and small compressors require sensorless BLDC control with quiet PWM frequencies and robust protection - the dsPIC33EP32MC202 core provides 60 MIPS for sensorless observers (back-EMF integration) plus complementary PWM with adjustable dead time for clean commutation. The 10/12-bit ADC digitizes bus voltage, phase currents, and NTC temperature inputs, with external interrupts capturing rotor position transitions when halls are fitted. AEC-Q100 qualification supports condensing-unit temperature ranges. Deployed as the single drive controller with a companion 3.3V regulator and gate driver, it enables efficient variable-speed retrofits; 32KB Flash comfortably holds sensorless FOC for single-motor applications.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC202-H/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC202-I/SS | DSPIC33EP32MC202-E/SS | DSPIC33EP32MC202-H/SSVAO | DSPIC33EP256MC202T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP (5.30 mm width) | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) |
| Flash Program Memory | 32 KB (10.7K x 24-bit) | 32 KB | 32 KB | 32 KB | 256 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| AEC-Q100 Qualification | Yes (H grade) | No (industrial grade) | No (extended grade) | Yes (H/VAO grade) | No (industrial grade) |
| DMA Channels | 4 | 4 | 4 | 4 | 4 |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- AEC-Q100 automotive qualification with H screening (vs DSPIC33EP32MC202-I/SS)
- Extended-temperature alternative in same footprint (vs DSPIC33EP32MC202-E/SS)
- In-place Flash upgrade path without PCB change (vs DSPIC33EP256MC202T-I/SS)
Design Notes
On the 28-SSOP footprint, connect all VDD and VSS pairs per the datasheet power delivery section - programmer documentation (northernsoftware.com) explicitly notes all VSS and VDD pins must be connected for ICSP to work. Place a 0.1uF ceramic decoupling capacitor at each supply pin pair, as close to the package as possible, plus one bulk 4.7uF-10uF capacitor near the device. If AVDD/AVSS analog supply pins are present on your board revision, filter AVDD with an RC or ferrite to reduce ADC noise.
ICSP programming uses a matched PGECx/PGEDx pair: this device has more than one pair, and the clock and data must come from the same pair (ICSPCLK on PGEC2 requires ICSPDAT on PGED2). Route the ICSP header traces short and keep them away from high dV/dt motor-phase nodes. Series resistors (100-470 ohm) on MCLR and the PGD/PGC lines improve robustness against cable ringing during in-circuit programming of assembled boards.
Do not confuse the -H, -I, and -E suffixes when sourcing: they share the same 28-SSOP footprint and pinout but differ in temperature screening and AEC-Q100 qualification. Using a standard -I part in an automotive program is a qualification failure even though it works electrically. Also remember the ADC inputs on RB0-RB3 are shared with ICSP/PGD/PGC and change-notification functions - configure the ANSELx registers explicitly at boot so leftover analog configuration does not break digital reads.
The 28-SSOP package in a 3.3V, 60 MHz DSC application dissipates only on the order of tens of milliwatts, so no heatsinking is required; the dominant thermal concern is usually adjacent power devices on the same PCB. Ensure the DSC is placed away from MOSFET bridges and inductors to keep local ambient low and ADC reference stability high. Exact theta-JA figures should be taken from the Microchip family datasheet thermal tables for your board stack-up.
Compliance Information
RoHS compliant / lead free per Micro-Semiconductor datasheet summary. AEC-Q100 qualified per Microchip USA product data. REACH, halogen-free, and conflict-minerals status not stated in provided data.
