DSPIC33CK32MP202-E/2N - 100MHz 32KB DSC 28-UQFN | Microchip
MPN: DSPIC33CK32MP202-E/2N ✓ Active| Qty | Unit Price | Extended |
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DSPIC33CK32MP202-E/2N Overview
A digital signal controller is a hybrid device that combines the compute throughput of a digital signal processor with the deterministic control and peripheral set of a microcontroller. Within the power-management hierarchy, DSCs such as the dsPIC33CK sit between general-purpose MCUs and dedicated DSPs, making them the standard choice for closed-loop digital power, motor control, and advanced sensing where both math throughput and hard real-time PWM accuracy are required.
Key features include the dsPIC33C DSC core running up to 100 MIPS (100 MHz), dual-panel flash with ECC and live update support for field firmware upgrades, on-chip op-amps that reduce external component count in current-sense circuits, a 12-bit ADC pipeline, and a high-resolution PWM module designed for peak-current-mode and average-current-mode power conversion. The device also belongs to Microchip's Functional Safety (FuSa) offering for safety-critical designs.
Architecturally, the modified Harvard core with DSP instruction acceleration allows single-cycle MAC operations, while the deterministic interrupt structure keeps loop frequencies in the hundreds of kilohertz feasible for digital power supplies and PFC stages.
Typical applications include digital power supplies and LLC/PFC converters, brushless DC and PMSM motor control (FOC), automotive sensing and control nodes, and general industrial closed-loop control. The 150C extended-temperature rating supports automotive under-hood and near-motor environments.
Design consideration: the core operates from 3.0V to 3.6V, so provide a regulated 3.3V rail with good decoupling and use the VCAP pin as specified in the manufacturer datasheet for core-supply stability.
This page synthesizes distributor availability data, drop-in same-package alternatives, and practical design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK32MP202-E/2N — 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 DSPIC33CK32MP202-E/2N (same form factor and footprint) — differing in Operating Temperature, Package, Core, Product Family, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK32MP202-I/2N
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.31 / Unit
View Datasheet →DSPIC33CK32MC102T-I/2N
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33CK64MP202-I/2N
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP202-I/2N
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33CH64MP202-I/2N
✅ Drop-In✓ In Stock
$3.31 / Unit
View Datasheet →DSPIC33CK32MP202-E/2N Maximum Ratings & Electrical Characteristics
| Core | dsPIC33C 16-bit DSC core |
| Maximum Clock Speed | 100 MHz (100 MIPS) |
| Flash Memory | 32 KB (dual-partition with ECC and Live Update) |
| Data SRAM | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C (E suffix) |
| ADC Resolution | 12-bit |
| Integrated Op-Amps | Yes (2 on-chip op-amps) |
| PWM | High-Resolution PWM |
| Qualification | AEC-Q100 automotive qualified, Functional Safety (FuSa) |
| Architecture | Modified Harvard architecture with DSP acceleration |
| Package | 28-UQFN (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Product Family | dsPIC33CK Single-Core 16-bit DSC |
DSPIC33CK32MP202-E/2N 28-uqfn (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK32MP202-E/2N (28-uqfn (6x6 mm), exposed pad 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 DSPIC33CK32MP202-E/2N.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK32MP202-E/2N is suitable for 6 applications: Digital Power Supplies and PFC/LLC Converters, BLDC/PMSM Motor Control (FOC), Automotive Sensing and Control Nodes, LED Lighting and Electronic Ballasts, Industrial Closed-Loop Control and Instrumentation, Wireless Charging and Battery Management.
Digital Power Supplies and PFC/LLC Converters
The DSPIC33CK32MP202-E/2N fits digital power conversion because its 100 MHz (100 MIPS) core closes current-mode control loops at the hundreds-of-kilohertz rates demanded by PFC and LLC stages, while the high-resolution PWM (sub-nanosecond effective resolution) minimizes duty-cycle quantization jitter that would otherwise limit efficiency. The integrated op-amps buffer shunt current-sense signals directly into the 12-bit ADC without external amplifiers, and on-chip comparators support cycle-by-cycle peak-current limiting in hardware for fault-fast response. In a typical topology, the DSC sits between the voltage-feedback divider and the gate drivers, executing the compensator every PWM period; unlike an analog controller it supports firmware-updatable control laws and live-update dual-partition flash for field tuning. Trade-off: digital loop latency adds phase lag, so choose switching frequency and compensator sample rate accordingly.
Recommended
BLDC/PMSM Motor Control (FOC)
Field-oriented control of brushless DC and permanent-magnet synchronous motors is a natural fit for the DSPIC33CK32MP202-E/2N: the 100 MIPS DSP core executes single-cycle MAC instructions needed for Clarke/Park transforms and PI current loops, while the two on-chip op-amps amplify low-side shunt phase currents into the 12-bit ADC's simultaneous-sampling inputs. The high-resolution PWM with complementary outputs, dead-time insertion, and hardware fault clamp drives the three-phase inverter safely. The extended -40C to +150C AEC-Q100 rating of this E-grade part suits automotive pumps, fans, and actuator motors mounted near heat sources. Placed on the inverter control board with 3.3V supply and resistor-divider position or hall inputs, it delivers sub-cycle current-loop updates; the trade-off is that 8 KB RAM limits very long observer/state-machine code, so complex sensorless algorithms may need the 64 KB or 128 KB flash siblings.
Recommended
Automotive Sensing and Control Nodes
As an AEC-Q100 qualified, Functional Safety (FuSa) dsPIC33C device rated -40C to +150C, the DSPIC33CK32MP202-E/2N addresses automotive sensor acquisition and actuator-control nodes such as solenoid drivers, valve control, and analog sensor conditioning. The 12-bit ADC plus on-chip op-amps condition resistive and inductive sensor signals without external amplification, while ECC-protected flash and SRAM, memory built-in self-test (MBIST) features of the family, and dual-partition live-update flash support safety and OTA-update requirements. In the vehicle architecture, the DSC typically bridges analog front-ends to a LIN/CAN gateway via its communication peripherals, executing local closed-loop control deterministically at 100 MIPS. Design consideration: the 3.0V-3.6V supply requires a load-dump-tolerant 3.3V regulator upstream, and the 28-pin package limits I/O - choose higher-pin family members for body-domain consolidation.
Recommended
LED Lighting and Electronic Ballasts
High-brightness LED drivers and discharge-lamp ballasts benefit from the DSPIC33CK32MP202-E/2N's combination of high-resolution PWM (fine dimming granularity down to deep dimming levels without flicker) and fast analog feedback: the 12-bit ADC samples output current every switching cycle, and the on-chip op-amps condition the sense signal, eliminating an external amplifier BOM line. Constant-current regulation, PWM dimming, and protection (open-circuit, short-circuit via comparator trip) all run in the 100 MHz core with hardware-assisted fault shutdown. In a typical buck or boost LED driver, the DSC generates the gate command through high-resolution PWM and closes the current loop at the switching frequency, achieving power-factor-aware dimming curves in firmware. The 32 KB flash comfortably holds dimming profiles plus communication; the -40C to +150C range suits enclosed luminaires and automotive lighting.
Recommended
Industrial Closed-Loop Control and Instrumentation
General industrial control - temperature controllers, pressure loops, welding power stages, and battery chargers - maps well onto the DSPIC33CK32MP202-E/2N. The 100 MHz core executes PID and model-based compensators with DSP throughput, while dual op-amps and the 12-bit ADC form a compact analog front end for thermocouple, RTD, or shunt-based current feedback. Hardware comparators provide fast over-current trip independent of software, and the deterministic modified Harvard architecture keeps interrupt latency tight for multi-loop designs. The dual-partition flash with ECC supports live firmware update on deployed equipment - important for serviceability in remote industrial sites. The 28-pin UQFN (6x6 mm) keeps board area small in DIN-rail modules and embedded drives. Limitation: 8 KB SRAM restricts large buffering/logging, so pair with a host MCU or select a larger-RAM family variant when data-intensive.
Recommended
Wireless Charging and Battery Management
Qi wireless-power transmitters and battery chargers leverage the DSPIC33CK32MP202-E/2N's strengths: the high-resolution PWM generates precisely phase-shifted full-bridge drive, foreign-object and communication decoding runs on the 100 MIPS core, and the 12-bit ADC with on-chip op-amps tracks coil current/voltage and pack voltage/current each cycle. Hardware comparators give sub-microsecond over-current shutdown, critical for Li-ion safety. In a wireless charger, the DSC implements the power-control loop plus the Qi communication parser in one device, replacing an analog controller plus external MCU; dual-partition flash permits field firmware updates as standards evolve. For battery management, its ADC pipelines multi-channel pack monitoring while the op-amps precondition shunt signals. Watch thermal design: the 150C ambient capability helps, but the exposed-pad UQFN must be well soldered to ground pour for heat extraction.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK32MP202-E/2N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK32MP202-I/2N | DSPIC33CK32MC102T-I/2N | DSPIC33CK64MP202-I/2N | DSPIC33CK128MP202-I/2N | DSPIC33CH64MP202-I/2N |
|---|---|---|---|---|---|---|
| Package | 28-UQFN (6x6) | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz dual-core |
| Program Flash | 32 KB (dual-panel, ECC) | 32 KB | 32 KB | 64 KB | 128 KB | 64 KB |
| Temperature Range | -40C to +150C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
Key Differentiators
- Extended -40C to +150C automotive temperature range (vs DSPIC33CK32MP202-I/2N)
- Integrated on-chip op-amps (vs DSPIC33CK32MC102T-I/2N)
- Cost-optimized 32 KB flash for simple loops (vs DSPIC33CK128MP202-I/2N)
Design Notes
Power the DSPIC33CK32MP202-E/2N from a clean 3.3V rail within the 3.0V-3.6V operating window. Place a 0.1uF ceramic capacitor at each VDD pin within 2 mm of the pin, plus a 4.7uF-10uF bulk capacitor per supply rail. Fit the exact capacitor value specified by the Microchip datasheet on the VCAP core-regulator pin - using an incorrect value or a high-ESR part is one of the most common causes of erratic reset behavior on dsPIC33C devices. Keep AVDD fed through an RC or ferrite filter from VDD for ADC accuracy.
The 28-UQFN (6x6) has an exposed thermal pad that must be soldered to a ground pour - use a grid of vias under the pad to the internal ground plane for both heat extraction (important at -40C to +150C E-grade operation) and low-inductance grounding of the high-resolution PWM output stages. Route op-amp and ADC analog traces away from PWM gate-drive lines; use ground guard or a local analog island under AVDD/AVSS. Keep the crystal/oscillator traces short and guarded by ground.
The high-resolution PWM and Peripheral Pin Select (PPS) must be unlocked/configured in the correct sequence at startup; a misconfigured PPS mapping silently connects nothing, a common bring-up failure. Also confirm the debug configuration bits when moving from the I-grade industrial parts to this E-grade 150C part: if your production environment exceeds +85C, the I-grade alternatives listed on this page are not valid substitutes. Finally, verify code size headroom before selecting the 32 KB part for complex control - MPLAB X reports memory usage precisely.
Compliance Information
Distributor data (datasheets.com) explicitly lists this part as automotive AEC-Q100 qualified. RoHS/REACH/lead-free status not stated in the provided web data - verify against Microchip quality documentation.
