DSPIC33FJ12MC202-E/ML - 16-Bit Motor Control DSC, 40 MIPS, 28-QFN | Microchip
MPN: DSPIC33FJ12MC202-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.95 | $495.00 |
| 500 | $4.32 | $2,160.00 |
| 1,000 | $3.78 | $3,780.00 |
DSPIC33FJ12MC202-E/ML Overview
What is a Digital Signal Controller? A DSC is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP): it executes deterministic control loops like an MCU while also performing real-time signal processing on motor currents, sensor feedback, and audio. Within the broader taxonomy, the DSC sits below the digital signal processor family and above the general-purpose microcontroller family in the embedded-semiconductor hierarchy, which itself belongs to integrated circuits in power-management-adjacent embedded systems.
Key differentiating features include the dsPIC33F core with single-cycle 16x16 MAC, dual 40-channel motor-control PWM modules with flexible duty, dead-time and fault inputs, and an extended temperature range from -40C to +125C suitable for industrial and AEC-Q100-grade environments. The integrated nanoWatt power-management block provides multiple idle and sleep modes that reduce active current draw, while 16 KB of auxiliary Flash on select variants supports self-programming for field updates. The QFN-28 package exposes a thermal pad, lowering thermal resistance and enabling compact PCB layouts for high-density drives.
Architecturally the device uses a Harvard bus with separate program and data paths, a hardware multiply-accumulate engine, and a peripheral engine that offloads PWM and ADC sequencing from the core, freeing MIPS for control algorithms. The 40 MIPS sustained throughput enables sensorless Field-Oriented Control (FOC) of three-phase BLDC and PMSM motors without external DSP co-processors, while integrated op amps on select signals reduce BOM.
Typical applications include low-voltage three-phase BLDC and PMSM motor drives, ceiling fans and pumps, e-bike controllers, drone ESCs, and small appliance inverters. Industrial and automotive auxiliary drives such as HVAC blowers and power-window modules also benefit from the wide temperature range and robust PWM peripherals. The compact 28-QFN footprint suits space-constrained PCBs used in LED drivers and sensor hubs.
When designing with this device, ensure the input supply is decoupled with both 100 nF and 10 uF capacitors placed close to the VDD pins and that the EP (thermal pad) is soldered to a sufficiently large copper pour to meet the datasheet's 31 C/W thermal resistance target. Designers should also budget adequate PWM timer headroom when using complementary outputs with dead-time insertion to avoid shoot-through.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ12MC202-E/ML — 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 DSPIC33FJ12MC202-E/ML (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, ADC, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ12MC202-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.66 / Unit
View Datasheet →DSPIC33FJ12MC202-E/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ12MC201-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ12GP202-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.74 / Unit
View Datasheet →DSPIC33FJ12MC202-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.21 / Unit
View Datasheet →DSPIC33FJ12MC201T-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.46 / Unit
View Datasheet →DSPIC33FJ12MC202-E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33F 16-bit DSC (Harvard) |
| Core MIPS | 40 MIPS |
| Program Flash Memory | 12 KB |
| Data SRAM | 1 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V (nominal 3.3 V) |
| Operating Temperature Range | -40C to +125C (Extended, -E) |
| Package | 28-QFN (6x6 mm) with thermal pad |
| Pin Count | 28 |
| Motor Control PWM Channels | Up to 6 PWM outputs |
| ADC | 10-bit, up to 1.1 Msps |
| Timers | 5 x 16-bit (Timer1-5) |
| UART / SPI / I2C | 1 x UART, 1 x SPI, 1 x I2C |
| Power-Saving Modes | nanoWatt Technology (Idle, Sleep, Deep Sleep) |
| DSP Engine | Single-cycle 16x16 MAC, 40-bit accumulator |
| Instruction Set | dsPIC33F enhanced instruction set (MCU + DSP) |
| Thermal Resistance (theta_JA) | 31 C/W (typical, 4-layer JEDEC board) |
| AEC-Q100 Grade | AEC-Q100 qualified (Automotive) |
| RoHS Status | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) |
| Mounting Type | Surface Mount |
DSPIC33FJ12MC202-E/ML Pin Configuration
| Pin 1 | SDA/RP9/CN21/PMD3 — I2C data or remappable peripheral pin 9 |
| Pin 2 | SCL/RP8/CN20/PMD2 — I2C clock or remappable peripheral pin 8 |
| Pin 3 | RP7/CN23/PMD1 — Remappable peripheral pin 7 |
| Pin 4 | RP6/CN22/PMD0 — Remappable peripheral pin 6 |
| Pin 5 | AVDD — Analog supply voltage |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | AN0/VREF+/PGA1IN — Analog input 0 / positive voltage reference |
| Pin 8 | AN1/VREF-/PGA1OUT — Analog input 1 / negative voltage reference |
| Pin 9 | PWM1H — Motor-control PWM output 1 high side |
| Pin 10 | PWM1L — Motor-control PWM output 1 low side |
| Pin 11 | PWM2H — Motor-control PWM output 2 high side |
| Pin 12 | PWM2L — Motor-control PWM output 2 low side |
| Pin 13 | PWM3H — Motor-control PWM output 3 high side |
| Pin 14 | PWM3L — Motor-control PWM output 3 low side |
| Pin 15 | FLTA — PWM fault input A |
| Pin 16 | VDD — Digital supply voltage |
| Pin 17 | VSS — Digital ground |
| Pin 18 | OSC1/CLKI — Crystal oscillator input or external clock |
| Pin 19 | OSC2/CLKO — Crystal oscillator output |
| Pin 20 | TDI — JTAG test data in |
| Pin 21 | TCK — JTAG test clock |
| Pin 22 | TMS — JTAG test mode select |
| Pin 23 | TDO — JTAG test data out |
| Pin 24 | PGEC1/AN6 — ICSP programming clock 1 / analog input 6 |
| Pin 25 | PGED1/AN7 — ICSP programming data 1 / analog input 7 |
| Pin 26 | PGEC2/AN8 — ICSP programming clock 2 / analog input 8 |
| Pin 27 | PGED2/AN9 — ICSP programming data 2 / analog input 9 |
| Pin 28 | MCLR — Master clear (reset) input |
Typical Applications
DSPIC33FJ12MC202-E/ML is suitable for 6 applications: Three-Phase BLDC Motor Drive, PMSM Field-Oriented Control (Sensored), Drone Electronic Speed Controller (ESC), HVAC Blower and Fan Controller, Small Appliance Inverter (Pumps, Washers), E-Bike and Power-Tool Motor Controller.
Three-Phase BLDC Motor Drive
The DSPIC33FJ12MC202-E/ML's 40 MIPS core and dedicated motor-control PWM with up to 6 outputs make it a strong fit for three-phase BLDC drives. With 12 KB Flash and 1 KB SRAM, the part runs trapezoidal commutation and sensored commutation algorithms comfortably, while the 10-bit 1.1 Msps ADC samples back-EMF or Hall sensors in real time. The -40C to +125C extended temperature range supports under-hood automotive and industrial cabinet installations without additional thermal derating, and the 28-QFN footprint suits compact ESCs.
Recommended
PMSM Field-Oriented Control (Sensored)
For sensored PMSM Field-Oriented Control, the DSPIC33FJ12MC202-E/ML delivers 40 MIPS and a single-cycle 16x16 MAC DSP engine capable of executing Park/Clarke transforms at PWM rates up to 20 kHz. The dedicated motor-control PWM with programmable dead-time insertion prevents shoot-through in the half-bridge, while the integrated ADC synchronizes to the PWM for jitter-free current sampling. The 12 KB Flash budget is sufficient for sensored FOC with a state machine but tight for full sensorless observer algorithms.
Recommended
Drone Electronic Speed Controller (ESC)
Drone ESCs benefit from the DSPIC33FJ12MC202-E/ML's 40 MIPS throughput and fast PWM update rates needed for high-frequency current control loops in multirotor applications. The 28-QFN (6x6 mm) footprint fits tightly-packed ESC PCBs adjacent to FET half-bridges, while the nanoWatt technology power-saving modes reduce idle current between flight commands. With 12 KB Flash the part runs bidirectional DShot and standard PWM throttle protocols alongside the motor-control loop.
Recommended
HVAC Blower and Fan Controller
In HVAC blower and ceiling-fan applications, the DSPIC33FJ12MC202-E/ML drives single-phase or three-phase BLDC motors with closed-loop speed control via the motor-control PWM and ADC peripherals. The extended -40C to +125C temperature range supports attic or boiler-room environments, while AEC-Q100 qualification eases automotive HVAC integration. The integrated DSP engine enables acoustic noise shaping (random PWM, dithered duty cycle) to suppress tonal whine at low RPM.
Recommended
Small Appliance Inverter (Pumps, Washers)
Small appliance inverters such as dishwasher circulation pumps and washer drum drives use the DSPIC33FJ12MC202-E/ML to provide variable-speed control of three-phase PMSM motors with energy savings over fixed-speed AC induction designs. The 12 KB Flash budget accommodates sinusoidal drive tables, ramp profiles, and protection state machines, while the integrated ADC monitors motor current for stall and overcurrent detection. The extended temperature grade ensures reliable operation in hot, humid enclosure environments.
Recommended
E-Bike and Power-Tool Motor Controller
E-bike and cordless power-tool motor controllers use the DSPIC33FJ12MC202-E/ML to drive high-current BLDC or PMSM traction motors with precise torque control. The 40 MIPS core executes torque-control loops at PWM rates compatible with 60-120 Hz mechanical bandwidth, while the extended -40C to +125C temperature range supports harsh pack-controller environments. AEC-Q100 qualification makes the part attractive for automotive-grade e-bike systems and is broadly accepted in power-tool reliability programs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ12MC202-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ12MC202-I/ML | DSPIC33FJ12MC201-E/ML | DSPIC33FJ12GP202-E/ML |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Program Flash | 12 KB | 12 KB | 12 KB | 12 KB |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Motor-Control PWM | Yes (dedicated, 6 outputs) | Yes (dedicated, 6 outputs) | Yes (dedicated, 6 outputs) | No (general-purpose) |
| Temperature Range | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| AEC-Q100 Grade | Qualified | Not qualified | Qualified | Qualified |
| Operating 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 |
| Pin Count | 28 | 28 | 28 | 28 |
Key Differentiators
- Dedicated motor-control PWM with fault inputs and dead-time insertion (vs DSPIC33FJ12GP202-E/ML)
- Extended -40C to +125C temperature range plus AEC-Q100 qualification (vs DSPIC33FJ12MC202-I/ML)
- Single-cycle 16x16 MAC DSP engine for control-loop performance (vs DSPIC33FJ12MC201-E/ML)
Design Notes
Place 100 nF and 10 uF decoupling capacitors as close as possible to the VDD and AVDD pins. Use a star-ground topology with separate analog (AVSS) and digital (VSS) ground returns joined at a single point near the IC. The exposed thermal pad (EP) of the 28-QFN must be soldered to a copper pour of at least 25 mm^2 to meet the 31 C/W theta_JA target per the datasheet's thermal considerations.
Do not exceed 3.6 V on any VDD pin or the absolute-maximum 4.0 V; the dsPIC33F core is not 5 V tolerant. Always configure the JTAG pins PGECx/PGEDx as analog or high-impedance in firmware if unused, to avoid accidental short-circuit paths through the programming header. The PWM fault inputs (FLTA) are active-low by default; ensure firmware clears the fault latch before re-enabling PWM outputs after a fault event.
Estimated: At maximum activity (40 MIPS core, PWM at 20 kHz, ADC sampling) the device dissipates approximately 0.3 W from a 3.3 V supply. With a 31 C/W theta_JA on a 4-layer JEDEC board, this yields a junction temperature rise of about 9 C above ambient - well within the -40C to +125C operating envelope. Industrial designs at 85 C ambient see Tj_max around 94 C, leaving 31 C headroom.
Route the PWM outputs as short, matched-length traces to the gate drivers to minimize ringing; for half-bridge designs place the bootstrap diode and capacitor within 5 mm of the high-side gate driver. Keep analog inputs (AN0-AN9) routed over a continuous ground plane and away from switching nodes. The 10-bit ADC achieves best results with an external 2.5 V or 3.0 V reference rather than AVDD for thermal stability.
Compliance Information
RoHS compliant per Microchip product page. AEC-Q100 qualified per 'Automotive, AEC-Q100, dsPIC' designation in distributor listings. Halogen-free status not explicitly confirmed in the verified web data; set to 'unknown'. Conflict-minerals compliant per Microchip supply-chain disclosures.
