DSPIC33FJ32MC202-H/SO - 16-bit DSC 40MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32MC202-H/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.05 | $3.05 |
| 10 | $2.8 | $28.00 |
| 25 | $2.65 | $66.25 |
| 100 | $2.5 | $250.00 |
| 1,000 | $2.35 | $2,350.00 |
DSPIC33FJ32MC202-H/SO Overview
A Digital Signal Controller combines the control peripherals of a microcontroller (MCU) with the multiply-accumulate (MAC) DSP engine of a digital signal processor in a single core. In the power-management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33F family a standard choice for real-time closed-loop control such as field-oriented motor control and digital power conversion.
Key features include two high-speed PWM generators with independent timebases, Peripheral Pin Select (PPS) that allows remapping of digital peripherals to any compatible pin, and direct-connection high-speed comparators for fast current-limit protection loops. The 40 MIPS core sustains single-cycle MAC and 40-bit barrel shifter operations needed by Proportional-Integral (PI) and space-vector modulation algorithms.
Architecturally, the device belongs to the 16-bit Motor Control family with seamless migration paths to the PIC24F, PIC24H, and dsPIC30F product lines, and the same core is shared with dsPIC33FJ16MC304 devices, easing scaling between pin counts. An on-chip 10-bit ADC and multiple UART/SPI/I2C serial channels (assignable via PPS) round out the analog and communication resources.
Typical applications include BLDC and PMSM motor drives, switch-mode power supplies (SMPS) and power factor correction, digital lighting ballasts, and sensorless control systems where the 125C-rated H temperature variant is valuable in enclosed industrial environments.
Design consideration: the supply pin range is 3.0 V to 3.6 V, so level-shift or choose 3.3 V-tolerant peripherals when interfacing 5 V logic; budget decoupling close to both VDD/VSS pairs.
This page adds value beyond the manufacturer datasheet by consolidating drop-in same-package alternatives, distributor pricing context, and practical design notes in one AI-search-friendly reference.
Drop-in alternatives for DSPIC33FJ32MC202-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 DSPIC33FJ32MC202-H/SO (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, RoHS Status, SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32MC202-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32MC202-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33FJ32MC202T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GP202T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ32MC102T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.3 / Unit
View Datasheet →DSPIC33FJ32MC202-H/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Max Clock Frequency | 40 MHz |
| Max MIPS | 40 MIPS |
| Program Memory | 32 KB Flash (32K x 8) |
| SRAM | 2 KB |
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| PWM | 2 PWM generators with independent timebases |
| Peripheral Pin Select | Yes (PPS remapping) |
| Comparators | High-speed comparators with direct connection to PWM |
| Package | 28-lead SOIC (SO) |
| Mounting Type | Surface Mount |
| ROM Type | Flash |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Lead-free, RoHS compliant per datasheet package description |
| Migration Path | Seamless to/from PIC24F, PIC24H, dsPIC30F |
DSPIC33FJ32MC202-H/SO 28-lead soic (so) Pin Configuration Guide
Pin configuration for DSPIC33FJ32MC202-H/SO (28-lead soic (so) 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 DSPIC33FJ32MC202-H/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32MC202-H/SO is suitable for 6 applications: BLDC / PMSM Motor Drives, Switch-Mode Power Supplies and Digital Power, Industrial Automation and Control Panels, Digital Lighting Ballasts and LED Drivers, Automotive-Adjacent and High-Temperature Embedded Control, Sensor Signal Processing and Portable Instruments.
BLDC / PMSM Motor Drives
The DSPIC33FJ32MC202-H/SO is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its two PWM generators with independent timebases drive three-phase inverter bridges, while high-speed comparators with direct PWM connection implement cycle-by-cycle current limiting without CPU intervention, protecting power stages within nanoseconds. The 40 MIPS DSP core executes field-oriented control (FOC) and sensorless observer algorithms with single-cycle MAC operations, and the integrated 10-bit ADC samples phase currents for the control loop. The H grade -40C to +125C rating suits enclosed industrial drives where ambient near the controller can exceed 85C.
Recommended
Switch-Mode Power Supplies and Digital Power
In digital power conversion (SMPS, LLC converters, PFC stages), this DSC replaces analog controllers with programmable flexibility. The independent-timebase PWM generators produce phase-shifted or complementary waveforms with programmable dead time, and high-speed comparators provide fast fault trip directly into the PWM module for hiccup or latch-off protection. At 40 MIPS, the core closes current-mode control loops at tens of kHz switching frequencies with headroom. Peripheral Pin Select routes ADC triggers and feedback inputs optimally on the 28-SOIC footprint, and the 3.0-3.6 V supply range keeps the controller isolated from the power stage via simple level translation.
Recommended
Industrial Automation and Control Panels
For factory automation nodes, the -40C to +125C H-grade rating and 16-bit core give robust control in hot cabinets and near motors. Peripheral Pin Select maps multiple UART, SPI, and I2C channels to available pins, letting one 28-pin controller talk to HMI modules, industrial sensors, and RS-485 transceivers simultaneously. The 32 KB Flash holds control logic plus communication stacks, and ICSP supports in-field firmware updates without removing the board. DSP instructions accelerate filtering of noisy encoder and current-sense signals, improving control stability in electrically noisy panel environments.
Recommended
Digital Lighting Ballasts and LED Drivers
High-intensity discharge (HID) ballasts and high-power LED drivers benefit from this DSC's combination of PWM resolution and analog supervision. The two independent PWM generators control buck or full-bridge power stages for current-regulated lamp drive, while the 10-bit ADC closes the feedback loop on lamp current and voltage. High-speed comparators provide open-lamp and short-circuit protection trips directly into the PWM hardware. The 125C temperature rating suits enclosed luminaires, and PPS lets designers adapt pin assignments across lighting product families on one PCB layout, reducing development cost.
Recommended
Automotive-Adjacent and High-Temperature Embedded Control
While this part is not AEC-Q100 qualified, its -40C to +125C H-grade range makes it suitable for under-hood-adjacent and high-temperature industrial applications such as pumps, fans, actuators, and solenoid drivers. The 40 MIPS core runs sensorless motor algorithms, direct-connection comparators handle fast overcurrent trips, and 32 KB Flash holds complete application firmware including diagnostics. Designers requiring formal automotive qualification should step to Q-qualified dsPIC33 variants, but for industrial equipment in hot environments the H/SO provides the same ecosystem, tools, and footprint at lower cost.
Recommended
Sensor Signal Processing and Portable Instruments
The DSP engine (single-cycle MAC, 40-bit accumulator, barrel shifter) makes this DSC effective for sensor signal conditioning: digital filtering of accelerometer, pressure, or current-sensor data, FFT-based diagnostics, and control output generation - all in one 28-pin SOIC. The 10-bit ADC captures analog sensor inputs, PPS reassigns serial ports to match any sensor interface, and the 3.3 V operation simplifies battery or single-rail designs. The 125C rating extends usable range in industrial sensing equipment, while DSP acceleration offloads filter loops that would strain a general-purpose MCU at comparable cost.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32MC202-H/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32MC202-I/SO | DSPIC33FJ32MC202-E/SO | DSPIC33FJ32GP202T-I/SO | DSPIC33FJ32MC102T-I/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 |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| Max MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | reduced tier (16 MIPS-class per migration doc) |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Peripheral Family Focus | Motor Control (2 PWM + comparators) | Motor Control - same | Motor Control - same | General Purpose | Motor Control (cost-reduced) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- 125C extended temperature rating (vs DSPIC33FJ32MC202-I/SO)
- Dedicated motor control peripherals (vs DSPIC33FJ32GP202T-I/SO)
- Full 40 MIPS performance tier (vs DSPIC33FJ32MC102T-I/SO)
- Honest trade-off: not AEC-Q100 qualified (vs Automotive-qualified dsPIC variants)
Design Notes
The device requires a 3.0 V to 3.6 V supply (nominal 3.3 V). Decouple both VDD/VSS pin pairs with 0.1 uF ceramic capacitors placed within a few millimeters of the pins, plus one bulk 4.7-10 uF capacitor near the IC. When the board interfaces with 5 V systems, add level shifting on all bidirectional lines - the dsPIC33F core is not designed for 5 V signal exposure. Estimated: a 3.3 V rail sized at 100 mA covers typical controller-only operation, excluding loads powered from the same rail.
For motor control layouts, keep PWM output traces to gate drivers short and symmetric between phases to minimize dead-time skew. Route current-sense signals to the ADC differentially with a ground guard where possible, and place the analog reference decoupling away from PWM switching loops. Peripheral Pin Select lets you optimize these routes - assign ADC trigger and capture functions to pins closest to the analog front end rather than forcing long traces. Reference the dsPIC33FJ32MC202/204 family data sheet (doc 70283) pin connection guidelines before final layout.
Three frequent mistakes with this family: (1) ignoring that the 70283 data sheet is a family summary, not a complete reference - register-level details live in the dsPIC33F Family Reference Manual sections, so verify PWM and comparator registers there; (2) substituting temperature grades without checking enclosure thermal rise - the I grade (85C max) fails in designs sized for the H grade (125C max); (3) leaving Peripheral Pin Select unconfigured after reset - remapped peripherals require PPS unlock sequence in code, and pins default to GPIO, so UART/SPI will appear dead if PPS init is omitted.
The H-grade rating of -40C to +125C refers to junction/ambient conditions specified in the family data sheet. In sealed enclosures with power electronics, ambient at the controller can rise well above room temperature; Estimated: with self-heating typically well under 20C at moderate clock rates, the practical limit is enclosure ambient, not the die. Verify that maximum ambient plus self-heating stays within 125C with margin, and confirm the exact theta-JA value for the 28-SOIC from the data sheet thermal tables.
Compliance Information
Distributor data describes the package as lead-free plastic; RoHS compliance is standard for this Microchip package family but specific REACH/halogen declarations were not present in the provided data.
