DSPIC33FJ12MC202T-I/ML - 16-bit Motor Control DSC, 40MHz, 28-QFN | Microchip
Teilenummer: DSPIC33FJ12MC202T-I/ML ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $3.85 | $3,85 |
| 10 | $3.62 | $36,20 |
| 100 | $3.18 | $318,00 |
| 500 | $2.74 | $1.370,00 |
| 1.000 | $2.41 | $2.410,00 |
DSPIC33FJ12MC202T-I/ML Übersicht
A Digital Signal Controller (DSC) is a hybrid device that fuses the deterministic real-time peripheral set of a microcontroller with the parallel arithmetic paths of a digital signal processor, enabling single-chip implementation of closed-loop motor-control firmware. It sits within a broader hierarchy of motor-control silicon: DSC -> microcontroller -> embedded processor -> semiconductor. The dsPIC33F family targets cost-sensitive motor drive, switching power supply, and inverter applications where 32-bit DSP performance is not essential but bare-metal 16-bit DSP throughput is mandatory.
Key features of this 202 variant include one dedicated 6-channel PWM module optimized for 3-phase inverters (complementary outputs with adjustable dead time, hardware fault input), a 10-bit ADC with up to 9 channels and 1.1 Msps throughput, two comparators with programmable references, and the nanoWatt power-management suite offering Idle, Sleep, and Doze modes that drop quiescent current into the microamp range for standby compliance.
The architecture's distinguishing trait is hardware DSP assist in a 16-bit MCU price envelope. The 24-bit instruction word, dual 40-bit accumulators, and zero-overhead DO and REPEAT loops let CLOSED-loop control cycles (current loop, speed loop, sensorless observers) fit inside a single PWM period without CPU loading, reducing BOM cost by eliminating an external DSP or FPGA in compact drives such as ceiling fans, pump controllers, and appliance BLDC modules.
Typical applications span 3-phase BLDC and PMSM motors in white goods, HVAC blowers, RC hobby ESCs, low-voltage traction controllers, ceiling-fan drivers, small appliance pumps, and Uninterruptible Power Supply (UPS) inverter stages where the single-chip DSC collapses the bill of materials versus two-piece MCU+DSP solutions. The 28-pin QFN gives an extremely compact footprint for space-constrained boards.
A first-pass design tip: the PWMin/Comparator/OC fault inputs must be brought out to dedicated PCB traces routed directly from the gate-driver or current-sense network, and the exposed pad must be soldered to a continuous ground pour. Reference the dsPIC33FJ12MC201/202 datasheet for pinout maps and the dsPICDEM MC1 motor-control development board for a vetted peripheral-assignment pattern.
This page consolidates distributor pricing, drop-in alternatives drawn from the same Microchip dsPIC33F MC family, and practical hardware design notes not always summarized in the official datasheet.
Drop-in-Alternativen für DSPIC33FJ12MC202T-I/ML – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit DSPIC33FJ12MC202T-I/ML (gleiche Bauform und Footprint) – abweichend in ADC, Core Architecture, DSP Engine, Package, Timers.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
DSPIC33FJ12MC202T-I/SO
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ12MC202T-I/ML-Q1
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ12MC202-E/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.78 / Stück
Datenblatt ansehen →DSPIC33FJ12MC201T-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ32MC202T-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ12GP202-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$2.69 / Stück
Datenblatt ansehen →DSPIC33FJ12MC202T-I/ML Grenzwerte & elektrische Eigenschaften
| Core Architecture | dsPIC33F 16-bit DSC |
| Program Memory (Flash) | 12 KB |
| Data RAM | 1 KB |
| Maximum CPU Speed | 40 MIPS (40 MHz) |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Betriebstemperaturbereich | -40 C to +85 C (Industrial) |
| Digital I/O Pins | 21 |
| ADC | 10-bit, up to 9 channels, 1.1 Msps |
| PWM Modules | 1 x 6-channel (motor control PWM) |
| Comparators | 2 |
| Timers | 5 x 16-bit / 32-bit-capable |
| Instruction Set Width | 24-bit |
| DSP Engine | 40-bit accumulator, single-cycle 16 x 16 MAC, barrel shifter |
| Power-Saving Modes | Idle, Sleep, Doze (nanoWatt) |
| Gehäuse | 28-pin QFN (HVQCCN, 6 x 6 mm) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
DSPIC33FJ12MC202T-I/ML Pin-Konfiguration
| Pin 1 | RP15/PWM1H/PMRD/RA7 — PWM 1 High output / remappable GPIO |
| Pin 2 | RP14/PWM1L/CVREF2/AN0/RA6 — PWM 1 Low output / ADC input |
| Pin 3 | RP13/PWM2H/FLTA1/RA5 — PWM 2 High / PWM fault A input |
| Pin 4 | RP12/PWM2L/AN1/RA4 — PWM 2 Low / ADC input |
| Pin 5 | RP11/RB11 — Remappable GPIO port B |
| Pin 6 | RP10/RB10 — Remappable GPIO port B |
| Pin 7 | RP9/RB9 — Remappable GPIO port B |
| Pin 8 | OSC1/RA2 — Crystal oscillator input / GPIO |
| Pin 9 | OSC2/CLKR/RA3 — Crystal oscillator output / GPIO |
| Pin 10 | VDD — Digital supply voltage |
| Pin 11 | VSS — Digital ground |
| Pin 12 | AVDD — Analog supply voltage |
| Pin 13 | AVSS — Analog ground |
| Pin 14 | PGC1/EMUD1/AN2/RB0 — ICSP clock / ADC input / GPIO |
| Pin 15 | PGD1/EMUD1/AN3/RB1 — ICSP data / ADC input / GPIO |
| Pin 16 | VREF+/CVREF+/AN4/RB2 — ADC Vref+/comparator reference input |
| Pin 17 | VREF-/CVREF-/AN5/RB3 — ADC Vref-/comparator reference input |
| Pin 18 | RP0/UART1RX/RF0 — Remappable GPIO / UART RX |
| Pin 19 | RP1/UART1TX/RF1 — Remappable GPIO / UART TX |
| Pin 20 | RP2/SDA1/RG3 — Remappable GPIO / I2C SDA |
| Pin 21 | RP3/SCL1/RG2 — Remappable GPIO / I2C SCL |
| Pin 22 | RP4/RF4 — Remappable GPIO port F |
| Pin 23 | RP5/RF5 — Remappable GPIO port F |
| Pin 24 | RP6/RC6 — Remappable GPIO port C |
| Pin 25 | RP7/RC7 — Remappable GPIO port C |
| Pin 26 | RP8/RC8 — Remappable GPIO port C |
| Pin 27 | MCLR — Master Clear (reset) input |
| Pin 28 | PGEC2/EMUC2/RP16/RF6 — Alternate ICSP clock / GPIO |
Typische Anwendungen
DSPIC33FJ12MC202T-I/ML ist geeignet für 7 Anwendungs: 3-Phase BLDC / PMSM Motor Drive (Sensorless FOC), Ceiling Fan and HVAC Blower Controller, Small Appliance Pump and Drain Pumps, Low-Voltage Robotics and RC Hobby ESCs, DC-DC Switching Power Supply Controller, Battery-Powered Inverter/UPS Front-End, Industrial Variable-Speed Drives (Sub-1 kW).
3-Phase BLDC / PMSM Motor Drive (Sensorless FOC)
The DSPIC33FJ12MC202T-I/ML is purpose-built for 3-phase BLDC and PMSM sensorless Field-Oriented Control. Its hardware DSP engine runs the Park/Clarke transform and the rotor-flux observer within a single PWM period, with the 1.1 Msps ADC and dual comparators synchronized to the PWM reload to sample phase currents without jitter. Designers close both current and speed loops at up to 40 kHz PWM, replacing discrete DSP+MCU stacks and shrinking BOM to a single 28-QFN device. Microchip AN1078 documents the FOC firmware directly on this silicon.
Empfohlen
Ceiling Fan and HVAC Blower Controller
A 28-QFN QFN footprint plus integrated 6-channel motor-control PWM makes the DSPIC33FJ12MC202T-I/ML ideal for variable-speed ceiling fans and HVAC blowers. The nanoWatt idle/sleep modes let the controller sit at low quiescent current between RC commands, while the comparator-based zero-cross detection can implement reliable sensorless trapezoidal commutation with BOM savings. Operating from 3.3 V rails shared with MCU and Wi-Fi modules simplifies wiring in connected HVAC units. Reference designs from Microchip and Chinese motor OEM whitepapers target this part directly.
Empfohlen
Small Appliance Pump and Drain Pumps
In small appliance pumps such as washing-machine drain pumps and dishwasher circulation pumps, the DSPIC33FJ12MC202T-I/ML drives the motor through a single H-bridge or 3-phase inverter while implementing closed-loop speed regulation. The 16-bit DSC engine runs a deterministic PI controller at a 10 kHz rate with the hardware MAC executing torque-ripple cancellation without CPU load. With industrial -40 C to +85 C support, it survives the steam-and-temperature environment in close-coupled appliance enclosures.
Empfohlen
Low-Voltage Robotics and RC Hobby ESCs
RC hobby electronic speed controllers and small educational robotics use the DSPIC33FJ12MC202T-I/ML as a single-chip ESC: PWM input from the receiver drives the duty-cycle register, the DSC computes the FOC output, and the integrated half-bridge PWM stages (with dead time) feed low-voltage FETs. The tiny 28-QFN footprint keeps four-quadrant smart ESCs at sub-gram weight, while 12 KB Flash fits standard telemetry and active-braking routines. Drops into many open-source SimonK/BLHeli firmware forks.
Empfohlen
DC-DC Switching Power Supply Controller
Digital-control DC-DC converters and PFC stages leverage the DSPIC33FJ12MC202T-I/ML's 16-bit DSP engine to implement digital voltage-mode and current-mode control loops. Its high-speed 10-bit ADC samples the feedback net at 1 Msps, while the 16-bit timer drives the PWM duty cycle with hardware dead-time insertion. Single-chip digital PFC + LLC controllers running around this part replace analog UC3842/2 UCC28500 designs with firmware-defined soft-start and current-share, saving assembly and tuning time.
Empfohlen
Battery-Powered Inverter/UPS Front-End
Low-voltage uninterruptible-power-supply front ends and small solar micro-inverters below 300 W run on the DSPIC33FJ12MC202T-I/ML thanks to its nanoWatt current draw and deterministic motor-control PWM repurposed as a sinusoidal PWM generator. The DSC core computes MPPT loops and grid-sync PLLs while the integrated comparators protect against over-current, keeping the bill of materials to one IC plus a gate driver. Industrial -40 C to +85 C temperature support matches outdoor telecom and signage enclosures.
Empfohlen
Industrial Variable-Speed Drives (Sub-1 kW)
Sub-1 kW industrial drives for fans, conveyors, and pumps run on the DSPIC33FJ12MC202T-I/ML directly, with the integrated 6-channel PWM feeding the IGBT half-bridge and the ADC sampling the DC-bus current. The deterministic DSP loop maintains the slip-frequency V/Hz profile without jitter, while the serial-port peripherals talk to a higher-level PLC. The 28-QFN surface-mount package supports miniaturized DIN-rail designs where conventional 64-pin DSPs would not fit.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für DSPIC33FJ12MC202T-I/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | DSPIC33FJ12MC202-E/ML | DSPIC33FJ12MC201T-I/ML | DSPIC33FJ32MC202T-I/ML | DSPIC33FJ12GP202-I/ML | DSPIC33FJ12MC202T-I/ML-Q1 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | QFN-28 (6x6 mm HVQCCN) | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same |
| Program Memory (Flash) | 12 KB | 12 KB | 8 KB (-33%) | 32 KB (+167%) | 12 KB | 12 KB |
| Data RAM | 1 KB | 1 KB | 1 KB | 2 KB | 1 KB | 1 KB |
| Maximum CPU Speed | 40 MIPS (40 MHz) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (AEC-Q100) |
| Motor-Control PWM Channels | 6 (3 complementary pairs) | 6 | 6 | 6 | GP: no motor-control PWM (general-purpose) | 6 |
| Automotive Grade (AEC-Q100) | No | No | No | No | No | Yes |
Wichtigste Unterscheidungsmerkmale
- Single-chip DSP + MCU for FOC at 40 MIPS in 6x6 QFN (vs. DSPIC33FJ12MC201T-I/ML (same QFN-28 but 8 KB Flash))
- Memory-upgrade path on identical 28-QFN pinout (vs. DSPIC33FJ32MC202T-I/ML (32 KB Flash))
- Motor-control-specific peripherals versus general-purpose DSP (vs. DSPIC33FJ12GP202-I/ML (same QFN-28 footprint))
- Extended-temperature variant for outdoor/hot equipment (vs. DSPIC33FJ12MC202-E/ML)
- Automotive-grade variant on same 28-QFN land pattern (vs. DSPIC33FJ12MC202T-I/ML-Q1 (AEC-Q100))
Designhinweise
The 28-QFN package dissipates up to around 1 W typical through the exposed pad. Solder the exposed-pad lead to a continuous ground copper pour of at least 1 cm^2 connected by at least 4 thermal vias to the internal ground plane. Without this, thermal resistance can climb above 50 C/W, causing thermal-shutdown throttling at high current-loop update rates on the 6-channel PWM. Reference the hardware-considerations section of the dsPIC33FJ12MC201/202 datasheet.
Power-rail decoupling for the DSPIC33FJ12MC202T-I/ML requires a 10 microfarad tantalum plus 0.1 microfarad ceramic pair placed within 5 mm of every VDD pin and a separate pair on the AVDD pin. Analog and digital grounds should be tied only at the exposed pad of the QFN, with a ferrite between noisy digital return paths and the ADC sense traces.
Avoid routing PWM1H/PWM1L, PWM2H/PWM2L, and PWM3H/PWM3L traces through vias or under noisy switchers; keep traces a matched 5 mm maximum length to each gate-driver input. Failing this causes dead-time insertion mismatches and shoot-through on the half-bridge. The FLTA1 pin must be pulled high with 10 kilohm until actively driven low by the fault-isolation comparator, otherwise the PWM module latches into a safe-state on power-up.
Route the current-sense and back-EMF ADC traces as guarded differential pairs with the guard trace tied to analog ground. Microchip AN1078 reference design shows a 4-layer board with these signals on layer 2 sandwiched between power and ground. This avoids crosstalk-induced FOC instability in sensorless PMSM drives.
Compliance-Informationen
RoHS/lead-free compliant per Microchip product page. Industrial -40 C to +85 C; choose DSPIC33FJ12MC202-E/ML for -40 C/+125 C extended or DSPIC33FJ12MC202T-I/ML-Q1 for AEC-Q100 automotive.
