DSPIC33FJ128MC202-E/SP - 16-bit DSC 40MIPS 128KB Flash | Microchip
MPN: DSPIC33FJ128MC202-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.98 | $6.98 |
| 10 | $6.31 | $63.10 |
| 100 | $5.74 | $574.00 |
| 500 | $5.22 | $2,610.00 |
| 1,000 | $4.79 | $4,790.00 |
DSPIC33FJ128MC202-E/SP Overview
A digital signal controller combines the compute throughput of a DSP with the peripherals and ease of use of a microcontroller, sitting in the hierarchy between a general-purpose MCU and a dedicated DSP. The dsPIC33F family executes a modified Harvard, 16-bit RISC instruction set that is pin compatible with the PIC24H family, allowing seamless migration between families within the Microchip 16-bit ecosystem.
Key features include the motor control PWM module, advanced analog peripherals, and DMA capability, all clocked at up to 40 MIPS from an internal PLL. The extended temperature grade (-40C to +125C, denoted by the E suffix) supports automotive under-hood and industrial installations where standard commercial parts cannot survive.
Architecturally, the device pairs a 16-bit CPU core with a DSP engine providing barrel shifting and single-cycle MAC operations, making it well suited to high-speed, repetitive computations such as FOC (field-oriented control), digital filtering, and sensory feedback loops.
Typical applications include brushless DC and PMSM motor drives, switched-mode power supplies, digital power conversion, and industrial sensing and control nodes requiring deterministic interrupt latency.
Design consideration: program the device through the ICSP interface using any matched PGECx/PGEDx pair, and always decouple VCAP/VDDCORE per the manufacturer datasheet for stable core regulation.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ128MC202-E/SP — 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 DSPIC33FJ128MC202-E/SP (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Programming Interface, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128MC202-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ128MC202-H/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP202-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33EP64MC202-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →DSPIC33EV64GM002-E/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.12 / Unit
View Datasheet →DSPIC33FJ128MC202-E/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC (DSP + MCU) |
| Max MIPS / Clock | 40 MIPS at 40 MHz |
| Program Memory (FLASH) | 128 KB (128K x 8) |
| SRAM | 16 KB |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-pin SPDIP |
| Mounting Type | Through Hole |
| DMA Channels | Yes (DMA supported) |
| Motor Control PWM | Yes (dedicated MCPWM module) |
| Analog Peripherals | Advanced analog (ADC, comparators) |
| Family Compatibility | Pin compatible with PIC24H family |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Packaging | Tube |
| Technology | CMOS |
| RoHS Status | Compliant |
DSPIC33FJ128MC202-E/SP Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | RB0/AN0/VREF+/CN2 — Port B I/O, analog input 0, positive voltage reference |
| Pin 3 | RB1/AN1/VREF-/CN3 — Port B I/O, analog input 1, negative voltage reference |
| Pin 4 | RB2/AN2/PGD/CN4 — Port B I/O, analog input 2, ICSP data (PGED) |
| Pin 5 | RB3/AN3/PGC/CN5 — Port B I/O, analog input 3, ICSP clock (PGEC) |
| Pin 6 | RB4/AN4/CN6 — Port B I/O, analog input 4 |
| Pin 7 | RB5/AN5/CN7 — Port B I/O, analog input 5 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/CN12/RA2 — Oscillator input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator output / clock output, port C I/O |
| Pin 11 | RC13/SOSCI/CN1 — Port C I/O, secondary oscillator input |
| Pin 12 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pin 13 | RA4/SOSCO/CN0 — Port A I/O, secondary oscillator output |
| Pin 14 | VCAP/VDDCORE — Core voltage regulator capacitor connection |
| Pin 15 | RF2/SDA1 — Port F I/O, I2C data 1 |
| Pin 16 | RF3/SCL1 — Port F I/O, I2C clock 1 |
| Pin 17 | RP0 — Remappable peripheral pin 0 (PPS) |
| Pin 18 | RP1 — Remappable peripheral pin 1 (PPS) |
| Pin 19 | RP2 — Remappable peripheral pin 2 (PPS) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | RP3 — Remappable peripheral pin 3 (PPS) |
| Pin 22 | RP4 — Remappable peripheral pin 4 (PPS) |
| Pin 23 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pin 24 | RP5 — Remappable peripheral pin 5 (PPS) |
| Pin 25 | RF4 — Port F I/O |
| Pin 26 | RF5 — Port F I/O |
| Pin 27 | AVSS — Analog ground reference |
| Pin 28 | AVDD — Analog positive supply |
Typical Applications
DSPIC33FJ128MC202-E/SP is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (SMPS), Industrial Sensing and Control Nodes, Automotive Auxiliary Systems, Renewable Energy Micro-Inverters, Embedded Education and Prototyping.
BLDC / PMSM Motor Control
The DSPIC33FJ128MC202-E/SP was purpose-built for precision motor control: its dedicated motor control PWM module generates complementary, dead-time-inserted drive signals for three-phase inverters, while the 40 MIPS core with single-cycle MAC instructions executes field-oriented control (FOC) loops fast enough for low-inductance PMSM motors. The advanced analog peripherals handle current sensing and bus-voltage feedback with deterministic latency. Mounted on the controller board of a BLDC or PMSM drive, the DSC closes current loops at tens of kilohertz and speed loops at lower rates without external DSP assistance. The -40C to +125C E-grade rating tolerates enclosure temperatures near inverter heat sinks, reducing forced-cooling requirements in industrial drives and e-mobility auxiliary systems.
Recommended
Digital Power Conversion (SMPS)
In digitally controlled switch-mode power supplies - LLC converters, PFC stages, and DC-DC modules - the DSPIC33FJ128MC202-E/SP provides the high-speed, repetitive computation the dsPIC33F family was designed for. The motor control PWM module doubles as a high-resolution power converter PWM with programmable dead time and fault shutdown, and the DMA engine moves ADC samples to RAM without CPU intervention, keeping loop interrupts tight. At 40 MIPS, the core runs average-current-mode or voltage-mode compensators at switching frequencies well above audibility. The E-grade -40C to +125C temperature spec suits power supplies mounted in sealed industrial and telecom enclosures where ambient temperatures exceed standard commercial ratings, and the through-hole SPDIP package simplifies prototyping on perfboard before SMT production layout.
Recommended
Industrial Sensing and Control Nodes
The DSPIC33FJ128MC202-E/SP fits distributed industrial control nodes that must combine sensor acquisition, local filtering, and actuation. Its 16 KB SRAM and 128 KB FLASH hold data logging buffers and modest control firmware, while the DSP MAC instructions accelerate FIR/IIR filtering of noisy sensor channels such as accelerometers and pressure transducers. The extended -40C to +125C range allows deployment directly on machinery, in outdoor cabinets, and near heat sources without local conditioning. The 28-pin SPDIP through-hole package withstands vibration and simplifies field replacement compared with fine-pitch SMT parts, and ICSP programming via any PGECx/PGEDx pair lets technicians reflash firmware in situ with a standard PICkit-class programmer, reducing maintenance cost across installed fleets.
Recommended
Automotive Auxiliary Systems
With its -40C to +125C E-grade qualification, the DSPIC33FJ128MC202-E/SP addresses non-safety automotive auxiliary electronics such as HVAC blower control, fuel pump drivers, throttle-by-wire actuators, and lighting ballasts. The motor control PWM module drives brushed and brushless actuators with closed-loop speed regulation, while the advanced analog block reads position sensors and diagnostic currents. Operating from a regulated 3.3 V rail derived from the vehicle's 12 V battery via a buck regulator, the DSC's 40 MIPS core executes sensor fusion and protection logic with deterministic timing. The through-hole SPDIP package aids serviceability in low-volume and heavy-vehicle platforms where through-hole assembly is retained for reliability and field repair.
Recommended
Renewable Energy Micro-Inverters
Solar micro-inverters and small wind converters need a controller that simultaneously runs MPPT algorithms, grid-synchronization PLLs, and inverter PWM - exactly the high-speed, repetitive computation profile of the dsPIC33F family. The DSPIC33FJ128MC202-E/SP's 40 MIPS core computes MPPT perturb-and-observe updates and sine-reference generation, its DMA offloads ADC sampling of panel current and grid voltage, and the motor control PWM module synthesizes the switching patterns for interleaved boost and H-bridge stages. The -40C to +125C rating survives rooftop junction-box temperatures, and the 128 KB FLASH accommodates grid-code firmware plus diagnostic logging. The 3.0 V to 3.6 V core supply integrates cleanly with standard auxiliary bias rails derived from the DC link.
Recommended
Embedded Education and Prototyping
The 28-pin SPDIP through-hole format of the DSPIC33FJ128MC202-E/SP makes it a natural choice for university labs, hobbyist projects, and socketed prototype boards. Students can insert the chip in a ZIF socket, wire peripherals by hand, and reflash repeatedly through the ICSP interface using inexpensive PICkit-class programmers; the device supports all NSDSP programmer versions with full debugging provisions, per third-party tool documentation. The 40 MIPS core and DSP engine expose professional-grade concepts - fixed-point filtering, PWM generation, DMA-driven sampling - on hardware forgiving of wiring mistakes. The 128 KB FLASH leaves generous room for coursework and experimentation, and the wide -40C to +125C rating removes thermal anxiety during high-current motor lab exercises.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128MC202-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128MC202-I/SP | DSPIC33FJ128MC202-H/SP | DSPIC33FJ128GP202-I/SP | DSPIC33EP64MC202-I/SP | DSPIC33EV64GM002-E/SP |
|---|---|---|---|---|---|---|
| Package | 28-pin SPDIP | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | Approx. 70 MIPS class (EP core) | Approx. 70 MIPS class (EV core) |
| FLASH Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +150C | -40C to +85C | -40C to +85C | -40C to +125C |
| Motor Control PWM | Yes | Yes | Yes | No (general-purpose set) | Yes | Yes |
| Core Family | dsPIC33F | dsPIC33F | dsPIC33F | dsPIC33F (GP) | dsPIC33EP | dsPIC33EV |
| 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 | 3.0 V to 3.6 V |
Key Differentiators
- Extended -40C to +125C E-grade temperature rating (vs DSPIC33FJ128MC202-I/SP)
- Dedicated motor control PWM module (vs DSPIC33FJ128GP202-I/SP)
- Double the FLASH of newer same-footprint parts (vs DSPIC33EP64MC202-I/SP)
Design Notes
The device regulates its internal core via the VCAP/VDDCORE pin (pin 14). Fit the exact ceramic capacitor value recommended in the manufacturer datasheet (low-ESR, typically around 10 uF class) directly at this pin; an incorrect or missing VCAP capacitor is the most common cause of erratic reset and brown-out behavior on dsPIC33F designs. Decouple each VDD pin (12, 23) with a 0.1 uF ceramic placed within a few millimeters of the pin, plus one bulk capacitor per board.
ICSP programming requires matched PGECx/PGEDx pairs: if the programmer connects to PGEC2, the data line must be PGED2 - mixing pairs from different channels prevents communication. Additionally, analog pins (AN0-AN5) default to analog mode after reset; if port B inputs read as zero, check that ANSEL-equivalent configuration clears the digital input buffers. Keep MCLR pulled up with a resistor (about 10k) and reserve it for the programmer to avoid lockout during reflash.
The -40C to +125C E grade is a junction rating, not an ambient guarantee. Estimated: for a board dissipating roughly 0.2 W (typical at 40 MIPS from a 3.3 V rail), with an SPDIP theta_JA in the 70-100 C/W range, junction rise is only 14-20 C above ambient, leaving ample margin in a +85C enclosure. Avoid mounting the DSC adjacent to power resistors or MOSFETs in motor drives; even modest conducted heat through the socket adds directly to the junction temperature.
Compliance Information
RoHS compliance and lead-free status inferred from current Microchip production status in distributor listings; obtain formal REACH and conflict-minerals declarations from Microchip's compliance portal.
