DSPIC33EP32GP504-I/ML - 16-bit DSC 70 MIPS 32KB Flash | Microchip
Teilenummer: DSPIC33EP32GP504-I/ML ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.16 | $41,60 |
| 100 | $3.72 | $372,00 |
| 500 | $3.38 | $1.690,00 |
| 1.000 | $3.05 | $3.050,00 |
DSPIC33EP32GP504-I/ML Übersicht
A Digital Signal Controller combines the compute architecture of a microcontroller with DSP-centric features such as hardware multiply-accumulate, divide, and modulo addressing. In the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice when a single chip must run both real-time control loops (PI/PID at high sampling rates) and general firmware tasks. The dsPIC33EP family is Microchip's second-generation 16-bit DSC platform built on the PIC24 core.
Key features include up to 70 MIPS execution from an on-chip PLL, a high-speed PWM module suited to power conversion, integrated op amps and advanced analog peripherals, and industrial temperature operation from -40C to +85C denoted by the -I suffix. The 44-QFN 8x8 mm body offers a compact, thermally efficient surface-mount footprint for dense power-electronics boards.
Architecturally, the device uses a modified Harvard 16-bit core with 24-bit instructions, DSP engine with 40-bit accumulators, and deterministic interrupt latency - valuable for fixed-frequency current-loop control in digital power supplies and motor drives.
Typical applications include switch-mode power supplies (SMPS), PFC stages, BLDC/PMSM motor control, digital lighting (LED ballast), and general embedded control needing math-heavy signal processing.
Design consideration: plan the MPLAB X debug/programming connection (e.g., MPLAB Snap or ICD 3) on ICSP pins during layout, since in-circuit access simplifies firmware iteration and field updates.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance, and practical design notes not found in a single manufacturer datasheet.
Drop-in-Alternativen für DSPIC33EP32GP504-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 DSPIC33EP32GP504-I/ML (gleiche Bauform und Footprint) – abweichend in Package, Operating Temperature, Timers, Core Architecture, RAM.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
DSPIC33EP32GP504-E/ML
✅ Drop-In✓ Auf Lager
$1.95 / Stück
Datenblatt ansehen →DSPIC33EP64GP504-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.44 / Stück
Datenblatt ansehen →DSPIC33EP128GP504-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
Preis auf Anfrage
Datenblatt ansehen →DSPIC33EP256GP504-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$5.68 / Stück
Datenblatt ansehen →DSPIC33EP32MC504-I/ML
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$2.65 / Stück
Datenblatt ansehen →DSPIC33EP32GP504-I/ML Grenzwerte & elektrische Eigenschaften
| Core | 16-bit dsPIC33EP (modified Harvard) |
| Max Speed | 70 MIPS |
| Flash Memory | 32 KB (10.7K x 24 instructions) |
| SRAM | 4 KB |
| Gehäuse | 44-QFN (8x8 mm) |
| Betriebstemperatur | -40C to +85C (Industrial, -I suffix) |
| Product Type | Digital Signal Controller (DSC) |
| Peripherals | High-Speed PWM, Op Amps, Advanced Analog |
| Montageart | Surface Mount |
| Programming / Debug | ICSP via MPLAB Snap / ICD 3 / REAL ICE with MPLAB X IDE |
| Lebenszyklusstatus | In Production (per Microchip product page) |
DSPIC33EP32GP504-I/ML 44-qfn (8x8 mm) Pinbelegungsleitfaden
Pinbelegung für DSPIC33EP32GP504-I/ML (44-qfn (8x8 mm)-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für DSPIC33EP32GP504-I/ML.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
DSPIC33EP32GP504-I/ML ist geeignet für 6 Anwendungs: Switch-Mode Power Supply (SMPS) Control, BLDC / PMSM Motor Control, Digital LED Lighting and Electronic Ballast, Industrial Sensor and Process Control, Audio Signal Processing and DSP Functions, Embedded Control with Data Logging and Connectivity.
Switch-Mode Power Supply (SMPS) Control
The DSPIC33EP32GP504-I/ML fits SMPS control because its high-speed PWM module provides fine edge-resolution outputs for buck, boost, PFC, and LLC topologies, while the integrated op amps condition current- and voltage-sense signals without external amplifiers. In a typical implementation the ADC samples the inductor current and output voltage each switching cycle, and the 70 MIPS core executes a PI control loop with the DSP engine's 40-bit accumulators for deterministic cycle-by-cycle regulation. This removes analog compensation components and allows firmware-based soft-start, mode switching, and fault handling. The trade-off versus dedicated analog controllers is firmware complexity, but the payoff is a single controller that adapts to multiple power stages via software.
Empfohlen
BLDC / PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33EP32GP504-I/ML provides complementary or independent PWM outputs driving a three-phase inverter, with the onboard op amps amplifying shunt-based phase-current measurements. The 70 MIPS core supports field-oriented control (FOC) math including Clark/Park transforms and PI current loops, running at multi-kHz carrier frequencies with deterministic latency. Integrated comparators can provide hardware overcurrent shutdown independent of software for protection. The 44-QFN 8x8 mm package keeps the controller footprint small on dense inverter PCBs. Engineers should verify the MC504 peripheral variant if they need the most motor-specific PWM feature set, though the GP504 handles standard FOC and trapezoidal control well.
Empfohlen
Digital LED Lighting and Electronic Ballast
The DSPIC33EP32GP504-I/ML suits digital lighting applications such as dimmable LED drivers and HID electronic ballasts, where the high-speed PWM generates phase-shifted or frequency-modulated drive signals and the ADC plus op amp chain closes the current-feedback loop. Running control firmware at up to 70 MIPS enables smooth PWM dimming to deep levels without visible flicker, and the same firmware can implement DALI/DMX-style communication over UART. The -40C to +85C industrial temperature grade covers enclosed luminaire environments where driver electronics see elevated ambient temperatures. Compared with analog dimming ICs, firmware control adds adaptive compensation for LED forward-voltage drift over temperature and lifetime.
Empfohlen
Industrial Sensor and Process Control
In industrial automation nodes, the DSPIC33EP32GP504-I/ML processes sensor signals with its advanced analog front end while UART, SPI, and I2C interfaces communicate with field buses and HMI devices. The DSP engine accelerates digital filtering (IIR/FIR) and RMS/FFT calculations on acquired data, useful for vibration, load-cell, and power-metering applications. The -I industrial temperature rating and robust 16-bit core suit long-lifetime factory deployments. Estimated: filtering a 10 kHz sampled channel with a 64-tap FIR consumes only a fraction of the 70 MIPS budget, leaving ample headroom for protocol handling. The compact 44-QFN package also enables sensor-side embedding close to the measurement point.
Empfohlen
Audio Signal Processing and DSP Functions
The DSPIC33EP32GP504-I/ML can implement lightweight audio DSP - active crossovers, EQ, or mixing - using its 40-bit accumulators and hardware MAC at 70 MIPS. Estimated: a 48 kHz, 32-tap biquad chain of 5 filters consumes roughly 6 MIPS, well within budget. The onboard op amps can buffer or sum signals, reducing external component count in cost-sensitive audio products like powered speakers and automotive amplifier control heads. For full-range high-fidelity processing, dedicated audio DSPs outperform this DSC, but the GP504 excels when audio processing is one task among motor control or power-supply duties in the same product - consolidating multiple functions into a single 44-QFN device lowers BOM cost.
Empfohlen
Embedded Control with Data Logging and Connectivity
As a general embedded controller, the DSPIC33EP32GP504-I/ML runs application firmware, logs data to SPI/SD or I2C EEPROM storage, and exchanges commands over UART or SPI with radio modules and displays. The 32 KB Flash accommodates control firmware plus a simple bootloader; engineers expecting growth should consider pin-compatible 64 KB or 128 KB GP504 variants on the same PCB footprint. The ICSP interface supports field firmware updates via MPLAB Snap or in-system programmers. The industrial temperature range and active production status (per Microchip's product page, 2026) give long-term supply confidence for multi-year product cycles in metering, HVAC control, and instrumentation applications.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für DSPIC33EP32GP504-I/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | DSPIC33EP32GP504-E/ML | DSPIC33EP64GP504-I/ML | DSPIC33EP128GP504-I/ML | DSPIC33EP256GP504-I/ML | DSPIC33EP32MC504-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB (10.7K x 24) | 32 KB | 64 KB | 128 KB | 256 KB | 32 KB |
| Max Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Emphasis | General-purpose, Hi-Speed PWM, op amps | General-purpose (same) | General-purpose (same) | General-purpose (same) | General-purpose (same) | Motor control / power conversion peripherals |
| Lifecycle Status | In Production (active) | In Production (active) | In Production (active) | In Production (active) | In Production (active) | In Production (active) |
Wichtigste Unterscheidungsmerkmale
- Compact 32 KB cost-optimized Flash size (vs. DSPIC33EP128GP504-I/ML)
- Standard industrial temperature grade (vs. DSPIC33EP32GP504-E/ML)
- General-purpose analog and Hi-Speed PWM balance (vs. DSPIC33EP32MC504-I/ML)
Designhinweise
Place 0.1 uF ceramic decoupling capacitors directly at each VDD pin with short, low-inductance traces to the ground plane, and fit the dedicated capacitor on the internal core-regulator output exactly as specified in the family datasheet (DS70000657J) - omitting the regulator capacitor is the most common cause of brown-out instability on dsPIC33EP designs. Provide an ICSP header on MCLR/PGC/PGD for in-circuit programming with MPLAB Snap or ICD 3, keeping series resistance on MCLR per Microchip's programming specification so the debugger can apply programming voltage.
Because the 44-QFN package multiplexes analog and digital functions, partition the PCB so PWM and high-dv/dt traces are routed away from analog sense lines feeding the ADC and op amp pins. Use a solid, unbroken ground plane under the QFN; do not route switching currents across it. For high-speed PWM driving power stages, add small gate-series resistors and keep the controller-to-driver loop compact to limit ringing that could couple into analog inputs and degrade ADC accuracy.
Three recurring mistakes on dsPIC33EP projects: (1) underestimating Flash usage - 32 KB is modest, so if firmware growth is likely, populate a pin-compatible 64 KB or 128 KB GP504 variant instead; (2) ignoring the -I versus -E temperature grade - the -I/ML part is rated only to +85C ambient, insufficient for enclosed motor drives; use DSPIC33EP32GP504-E/ML there; (3) selecting a cross-family dsPIC33FJ replacement, which is NOT pin or code compatible with the EP generation. Always recompile and verify the device ID after any family substitution.
Compliance-Informationen
Compliance certificates were not present in the verified web data; confirm RoHS/REACH status on Microchip's official compliance portal before export-regulated production use.