DSPIC33FJ16GS404T-I/PT - 40 MIPS 16KB Flash dsPIC33F DSC | Microchip
Teilenummer: DSPIC33FJ16GS404T-I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $5.2 | $5,20 |
| 10 | $4.68 | $46,80 |
| 100 | $4.16 | $416,00 |
| 500 | $3.75 | $1.875,00 |
| 1.000 | $3.34 | $3.340,00 |
DSPIC33FJ16GS404T-I/PT Übersicht
A Digital Signal Controller (DSC) is a hybrid device that pairs a microcontroller's deterministic control capabilities with a Digital Signal Processor's (DSP) computational throughput. The dsPIC33F architecture adds a hardware multiplier-accumulator (MAC) and barrel shifter to a 16-bit modified-Harvard RISC core, enabling one-cycle 16x16-bit multiplication and zero-overhead loop control. This places DSCs in the signal-chain taxonomy above 8-bit MCUs and below 32-bit ARM Cortex-M cores, particularly for real-time control loops where cycle-deterministic DSP operations matter.
Key features of the DSPIC33FJ16GS404T-I/PT include four 16-bit timers, an enhanced CAN 2.0B controller, two UART, two I2C, and one SPI interface, plus IEEE 1149.2-compatible JTAG boundary scan. The device also offers trace support, two hardware breakpoints, and run-time watch for development. Power features include idle, sleep, and alternate run modes with on-chip LDO regulation supporting 3.0-3.6 V operation.
Typical applications include digital switched-mode power supplies (SMPS), uninterruptible power supplies (UPS), DC-DC converters, power factor correction (PFC), motor control (BLDC/PMSM), digital lighting ballasts, and solar inverters. The high-resolution PWM and dedicated analog comparator peripherals make this part especially well-suited to peak-current-mode control topologies.
When designing with this device, ensure the supply rail is decoupled with 10 uF + 0.1 uF ceramics close to the VDD/AVDD pair. Use the dedicated PWM fault pins to implement hardware over-current protection, and route analog comparator inputs away from high-dV/dt PWM traces to prevent false triggering. Programming is supported via MPLAB X IDE and the MPLAB ICD 3/4 in-circuit debuggers, with full C-compiler support in MPLAB XC16.
Drop-in-Alternativen für DSPIC33FJ16GS404T-I/PT – 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 DSPIC33FJ16GS404T-I/PT (gleiche Bauform und Footprint) – abweichend in Core Architecture, Operating Temperature, Package, ADC, Communication Interfaces.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
DSPIC33FJ16GS404T-50I/PT
✅ Drop-In✓ Auf Lager
$2.55 / Stück
Datenblatt ansehen →DSPIC33FJ16GS404T-E/PT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ16GS404-I/PT
✅ Drop-In✓ Auf Lager
$3.4 / Stück
Datenblatt ansehen →DSPIC33FJ16GS404T-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.4 / Stück
Datenblatt ansehen →DSPIC33FJ16GS404T-H/PT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
DSPIC33FJ16GS404T-50I/TL
✅ Drop-In✓ Auf Lager
$5.05 / Stück
Datenblatt ansehen →DSPIC33FJ16GS404T-I/PT Grenzwerte & elektrische Eigenschaften
| Core Architecture | dsPIC33F 16-bit DSC (modified Harvard) |
| Program Memory | 16 KB (16K x 8) Flash |
| Data RAM | 2 KB (2048 words) |
| Maximum CPU Speed | 40 MIPS (50 MHz) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Betriebstemperatur | -40C to +85C (Industrial) |
| Gehäuse | 44-pin TQFP (10x10 mm) |
| Montageart | Surface Mount |
| Program Memory Width | 24-bit instruction word |
| ADC | 10-bit successive-approximation |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C, 1x ECAN |
| Debug Interface | JTAG (IEEE 1149.2) boundary scan |
| MSL-Level | 3 (per JEDEC J-STD-020) |
| RoHS-Status | Compliant |
| Lead-Free | Yes |
DSPIC33FJ16GS404T-I/PT Pin-Konfiguration
| Pin 1 | RP15/PWM4H/PMCS1/RA7 — Remappable I/O / PWM4 High output / SPI PMCS1 / I/O port A bit 7 |
| Pin 2 | RP14/PWM4L/PMCS2/RA6 — Remappable I/O / PWM4 Low output / SPI PMCS2 / I/O port A bit 6 |
| Pin 3 | RP13/PMD5/RA5 — Remappable I/O / PMP data 5 / I/O port A bit 5 |
| Pin 4 | RP12/PMD4/RA4 — Remappable I/O / PMP data 4 / I/O port A bit 4 |
| Pin 5 | RP11/PMD3/RA3 — Remappable I/O / PMP data 3 / I/O port A bit 3 |
| Pin 6 | RP10/PMD2/RA2 — Remappable I/O / PMP data 2 / I/O port A bit 2 |
| Pin 7 | RP9/PMD1/RA1 — Remappable I/O / PMP data 1 / I/O port A bit 1 |
| Pin 8 | RP8/PMD0/RA0 — Remappable I/O / PMP data 0 / I/O port A bit 0 |
| Pin 9 | VSS — Digital ground reference |
| Pin 10 | OSC1/RC12 — External oscillator input / crystal connection / I/O port C bit 12 |
| Pin 11 | OSC2/RC13 — External oscillator output / crystal connection / I/O port C bit 13 |
| Pin 12 | RP7/RC1 — Remappable I/O / I/O port C bit 1 |
| Pin 13 | RP6/RC2 — Remappable I/O / I/O port C bit 2 |
| Pin 14 | RP5/RC3 — Remappable I/O / I/O port C bit 3 |
| Pin 15 | RP4/RC4 — Remappable I/O / I/O port C bit 4 |
| Pin 16 | AVSS — Analog ground reference |
| Pin 17 | AVDD — Analog supply voltage (3.0V-3.6V) |
| Pin 18 | AN0/VREF+/RB0 — Analog input 0 / ADC VREF+ reference / I/O port B bit 0 |
| Pin 19 | AN1/VREF-/RB1 — Analog input 1 / ADC VREF- reference / I/O port B bit 1 |
| Pin 20 | AN2/RB2 — Analog input 2 / I/O port B bit 2 |
| Pin 21 | AN3/RB3 — Analog input 3 / I/O port B bit 3 |
| Pin 22 | AN4/RB4 — Analog input 4 / I/O port B bit 4 |
| Pin 23 | AN5/RB5 — Analog input 5 / I/O port B bit 5 |
| Pin 24 | VDD — Digital supply voltage (3.0V-3.6V) |
| Pin 25 | ENVREG — Voltage regulator enable (tie to AVDD for internal LDO) |
| Pin 26 | PWM1H/RB6 — PWM1 High output / I/O port B bit 6 |
| Pin 27 | PWM1L/RB7 — PWM1 Low output / I/O port B bit 7 |
| Pin 28 | PWM2H/RB8 — PWM2 High output / I/O port B bit 8 |
| Pin 29 | PWM2L/RB9 — PWM2 Low output / I/O port B bit 9 |
| Pin 30 | PWM3H/RB10 — PWM3 High output / I/O port B bit 10 |
| Pin 31 | PWM3L/RB11 — PWM3 Low output / I/O port B bit 11 |
| Pin 32 | TDI/RP3/RC5 — JTAG test data in / remappable I/O / port C bit 5 |
| Pin 33 | TCK/RP2/RC6 — JTAG test clock / remappable I/O / port C bit 6 |
| Pin 34 | TMS/RP1/RC7 — JTAG test mode select / remappable I/O / port C bit 7 |
| Pin 35 | TDO/RP0/RC8 — JTAG test data out / remappable I/O / port C bit 8 |
| Pin 36 | RC9 — I/O port C bit 9 |
| Pin 37 | RP16/RC10 — Remappable I/O / I/O port C bit 10 |
| Pin 38 | RP17/RC11 — Remappable I/O / I/O port C bit 11 |
| Pin 39 | FLTA1/RP18/RD8 — PWM fault A input / remappable I/O / port D bit 8 |
| Pin 40 | FLTB1/RP19/RD9 — PWM fault B input / remappable I/O / port D bit 9 |
| Pin 41 | RD10 — I/O port D bit 10 |
| Pin 42 | RD11 — I/O port D bit 11 |
| Pin 43 | RD12 — I/O port D bit 12 |
| Pin 44 | RD13 — I/O port D bit 13 |
Typische Anwendungen
DSPIC33FJ16GS404T-I/PT ist geeignet für 6 Anwendungs: Switched-Mode Power Supply (SMPS) Control, Power Factor Correction (PFC) Stages, BLDC / PMSM Motor Control, Solar Micro-Inverters and Optimizers, Digital Lighting Ballasts and LED Drivers, Uninterruptible Power Supplies (UPS).
Switched-Mode Power Supply (SMPS) Control
The DSPIC33FJ16GS404T-I/PT is purpose-built for digital SMPS control loops. Its dedicated high-speed PWM with fault inputs and 10-bit ADC enable peak-current-mode and voltage-mode control at switching frequencies up to approximately 1 MHz, supported by the 40 MIPS dsPIC DSP engine for digital compensation filters. The integrated analog comparators allow cycle-by-cycle over-current protection without external hardware, reducing BOM cost in isolated and non-isolated DC-DC converters compared with general-purpose MCUs that lack the comparator/PWM integration.
Empfohlen
Power Factor Correction (PFC) Stages
The DSPIC33FJ16GS404T-I/PT runs the control law for boost PFC front-end stages targeting 80 PLUS efficiency compliance. The 16-bit DSP MAC executes average-current-mode control algorithms at 40 MIPS within sub-microsecond loop times; the on-chip 10-bit ADC samples the inductor current and rectified line voltage without external analog front-end. The hardware fault input triggers PWM shutdown within one cycle for over-voltage and over-current protection, satisfying IEC 60950-1 and IEC 62368-1 safety response requirements.
Empfohlen
BLDC / PMSM Motor Control
The DSPIC33FJ16GS404T-I/PT drives sensorless and sensored BLDC/PMSM motors in industrial pumps, fans, and small appliances. The high-speed PWM generates complementary 6-step or space-vector PWM with programmable dead-time, while the dsPIC DSP engine runs field-oriented control (FOC) at 40 MIPS with 16-bit fixed-point precision and a hardware MAC. The integrated ECAN interface supports CANopen or CiA-402 motor profiles without an external transceiver MCU, and the JTAG boundary scan simplifies in-circuit firmware provisioning on the assembly line.
Empfohlen
Solar Micro-Inverters and Optimizers
The DSPIC33FJ16GS404T-I/PT functions as the MPPT and grid-tie control engine in 200-600 W micro-inverters and module-level DC optimizers. Its 16-bit DSP throughput implements perturb-and-observe or incremental-conductance MPPT with grid-synchronization dq-frame current control within tight cycle budgets. The 44-pin TQFP package is footprint-compatible with the DSPIC33FJ16GS404T-50I/PT, allowing a single PCB to be programmed either for entry-level or higher-frequency designs; the 16 KB Flash supports IEC 62116 anti-islanding test firmware.
Empfohlen
Digital Lighting Ballasts and LED Drivers
The DSPIC33FJ16GS404T-I/PT controls fluorescent and LED ballast topologies including resonant half-bridge, flyback, and SEPIC. The high-resolution PWM supports dimming ratios exceeding 1000:1 without flicker, while the on-chip analog comparators handle zero-voltage-switching (ZVS) detection for resonant converters. The 16 KB Flash is sufficient for DALI-2 or 0-10 V dimming protocol stacks, and the 2 KB RAM buffers smooth dimming curves and status telemetry without external memory.
Empfohlen
Uninterruptible Power Supplies (UPS)
The DSPIC33FJ16GS404T-I/PT serves as the inverter controller in line-interactive and online UPS units up to approximately 1 kVA. Its dedicated PWM and ADC peripherals implement sinusoidal PWM (SPWM) inverter control, while the DSP engine runs the voltage-loop and current-loop PI regulators at 40 MIPS with adequate margin for adaptive dead-time compensation. The 2 KB RAM enables closed-loop waveform generation buffers, and JTAG debug accelerates compliance testing to IEC 62040-1 and UL 1778.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für DSPIC33FJ16GS404T-I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | DSPIC33FJ16GS404T-50I/PT | DSPIC33FJ16GS404T-E/PT | DSPIC33FJ16GS404-I/PT | DSPIC33FJ16GS404T-H/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum CPU Speed (MIPS) | 40 MIPS | 50 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +150C |
| Supply Voltage | 3.0V - 3.6V | 3.0V - 3.6V | 3.0V - 3.6V | 3.0V - 3.6V | 3.0V - 3.6V |
| Unit Price (Qty 1, USD) | 5.20 | 5.50 | 6.10 | 5.20 | 7.40 |
Wichtigste Unterscheidungsmerkmale
- Industrial -40C to +85C temperature grade at lowest cost tier (vs. DSPIC33FJ16GS404T-E/PT)
- 40 MIPS speed grade at lowest cost (vs. DSPIC33FJ16GS404T-50I/PT)
- TQFP package for hand-soldering and prototyping (vs. DSPIC33FJ16GS404T-I/ML (QFN))
Designhinweise
Place a 10 uF tantalum or ceramic + 0.1 uF ceramic decoupling capacitor pair on each VDD/AVDD pin pair, within 3 mm of the package pad to suppress switching-current transients. The dsPIC33F ENVREG pin must be tied to AVDD through a 10 uF capacitor to GND when using the internal 1.8V regulator. Estimated: switching current spikes from the PWM drivers can reach 200 mA peak at full PWM frequency, requiring low-ESR bypass to avoid AVDD droop that would couple into ADC measurements.
Route analog comparator inputs and ADC traces away from PWM output traces carrying high dV/dt edges; cross at 90 degrees if necessary. Use a ground guard-ring around sensitive analog input pins (AN0-AN5) tied to AVSS, and place the AVDD/AVSS pair directly above the analog section to minimize digital switching noise coupling. Estimated: with 50 MIPS CPU and 1 MHz PWM, ground-plane return-path length below 5 mm keeps analog noise below 1 LSB at 10-bit ADC resolution.
Do not exceed 3.6V on any VDD/AVDD pin - the DSPIC33FJ16GS404 uses 3.3V-only I/O and is not 5V tolerant. Use the dedicated FLTA1/FLTB1 PWM fault pins for hardware over-current protection rather than firmware response to ensure sub-microsecond shutdown. Configuration bits must be programmed to enable JTAG pins or they default to RB6/RB7 - this is the most common reason for 'dead' boards after blank-chip programming.
Estimated: at maximum CPU activity the DSPIC33FJ16GS404T-I/PT draws approximately 30 mA on VDD in active mode, dissipating roughly 100 mW at 3.3V. The 44-pin TQFP theta_JA is approximately 50 C/W on a standard JEDEC 4-layer board, giving a junction temperature rise of only 5C - thermal management is generally not a concern at this power level, but reducing CPU clock to 40 MIPS from 50 MIPS saves approximately 10 mW of dynamic power.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page; lead-free matte-tin plating; halogen-free molding compound; not AEC-Q100 qualified - choose DSPIC33FJ16GS404T-E/PT or DSPIC33FJ16GS404T-H/PT for automotive-adjacent temperature ranges