DSPIC33EP64GS504-I/ML - 16-bit DSC 70MIPS 64KB Flash | Microchip
Référence : DSPIC33EP64GS504-I/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.15 | $6,15 |
| 10 | $5.55 | $55,50 |
| 100 | $5.06 | $506,00 |
| 500 | $4.75 | $2 375,00 |
| 1 000 | $4.45 | $4 450,00 |
DSPIC33EP64GS504-I/ML Présentation
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the control peripherals and interrupt architecture of a microcontroller. Within the power-management hierarchy, the dsPIC33EP GS family sits above generic MCUs and below dedicated digital power ASICs, providing programmable control loops for switch-mode power supplies (SMPS). DSCs are the standard choice when designers need firmware-updatable, multi-loop digital control instead of fixed-function analog controllers.
Key features of the DSPIC33EP64GS504 include interconnected high-speed PWM modules purpose-built for power conversion, high-speed analog-to-digital converters with configurable sample rates for current- and voltage-loop feedback, and integrated comparators and programmable gain amplifiers (PGA) that reduce external component count. The 70 MIPS core executes single-cycle MAC and DSP instructions, sustaining tight control-loop deadlines in multi-phase converters.
Architecturally, the device is a CMOS 16-bit core with DSP engine, deterministic interrupt latency, and peripheral interconnects that allow the ADC to trigger PWM updates without CPU intervention - critical for sub-microsecond loop response in peak-current-mode control. Low-power modes support standby efficiency in always-on infrastructure power stages.
Typical applications include AC-to-DC converters, DC-to-DC power modules, multi-loop digital SMPS, power factor correction (PFC) stages, and solar inverter control, where the interconnected PWM/ADC fabric precisely matches the needs of digital power conversion.
When designing with this device, verify the 3.0V to 3.6V supply rail early; most legacy 5V analog power designs require level-shifting or a 3.3V logic domain, and the maximum industrial operating temperature for the -I suffix is 85C.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33EP64GS504-I/ML — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33EP64GS504-I/ML (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Functional Safety Support, Core, Product Family.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP128GS504-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP32GS504-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.12 / unité
Voir la fiche technique →DSPIC33EP64GP504-E/MV
✅ Remplacement direct✓ En stock
$2.85 / unité
Voir la fiche technique →DSPIC33EP64MC504-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.25 / unité
Voir la fiche technique →DSPIC33EP64GS504-I/MLT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EP64GS504-I/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | 16-bit dsPIC DSC with DSP engine |
| Maximum CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Flash Program Memory | 64 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Boîtier | 44-pin QFN (ML), 0.65 mm terminal pitch |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial, -I suffix) |
| Technology | CMOS |
| Specialized Peripherals | High-Speed PWM, High-Speed ADC, DAC, PGA, Comparators |
| Target Application Family | SMPS and Digital Power Conversion |
| Production Status | In Production |
| ECCN | 3A991.a.2 |
| Sans halogène | Compliant |
Guide de configuration des broches du DSPIC33EP64GS504-I/ML 44-pin qfn (ml), 0.65 mm terminal pitch
Configuration des broches du DSPIC33EP64GS504-I/ML (boîtier 44-pin qfn (ml), 0.65 mm terminal pitch). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour DSPIC33EP64GS504-I/ML.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33EP64GS504-I/ML convient pour 6 applications: AC-DC Converter Control, DC-DC Power Modules, Digital SMPS Multi-Loop Control, Power Factor Correction (PFC), Solar Inverter and Renewable Energy Control, Uninterruptible Power Supplies (UPS).
AC-DC Converter Control
The DSPIC33EP64GS504-I/ML is explicitly designed for multi-loop digital AC-DC converter control. Its high-speed ADC digitizes input voltage, output voltage and inductor current, while the interconnected high-speed PWM generates the switching waveforms with nanosecond-resolution duty control. The integrated comparators provide cycle-by-cycle overcurrent shutdown in hardware, independent of CPU latency, which is essential for fault robustness in offline converters. Running at 70 MIPS, the DSP core executes the control-law mathematics for PFC plus main output loops within a single switching period. Placing the ADC-trigger-to-PWM-update path in hardware interconnects removes software jitter, improving loop bandwidth and transient response compared to an MCU-based solution.
Recommandé
DC-DC Power Modules
For 48V-to-12V brick and point-of-load DC-DC modules, the DSPIC33EP64GS504-I/ML offers the interconnected high-speed PWM and high-speed ADC fabric used in Microchip's own digital power reference designs, such as the EPC9143 eGaN power module that pairs a dsPIC33CK with eGaN FETs. The DSC's hardware PGA amplifies shunt current signals directly, reducing external analog front-end components, and its DAC/comparators implement programmable current-limit thresholds without trimming resistors. Firmware-based control allows one controller SKU to serve multiple output voltages via configuration, simplifying BOM management. The 3.0V to 3.6V supply lets the DSC share a logic rail with housekeeping circuitry inside the module.
Recommandé
Digital SMPS Multi-Loop Control
The dsPIC33EPXXGS50X family was architected specifically for common multi-loop switch-mode power supplies. The DSPIC33EP64GS504-I/ML can run voltage-mode outer loops and current-mode inner loops concurrently: the high-speed ADC samples multiple channels with precise phase offsets relative to the PWM period, and single-cycle DSP MAC instructions compute PID or 3p3z compensators within tens of microseconds. Hardware scheduler peripherals sequence loop timing deterministically, so loop timing does not degrade with software complexity. The 64 KB Flash accommodates soft-start, sequencing, telemetry, and PMBus-style communication alongside the real-time control code, eliminating a separate supervisory MCU in many designs.
Recommandé
Power Factor Correction (PFC)
In boost-PFC front ends, the DSPIC33EP64GS504-I/ML samples the rectified line voltage and inductor current at high rate and modulates the boost switch duty to keep input current in phase with line voltage. The high-speed PWM supports frequency and duty modulation on a cycle-by-cycle basis, and the fast analog comparators enforce instantaneous current limiting during line transients - protection that purely software schemes cannot match. Achieving low THD requires precise ADC sampling aligned away from switching noise, which the peripheral interconnect handles natively. Operating the 70 MIPS core with headroom also allows feedforward harmonic compensation algorithms to run alongside the fundamental control loop, improving power quality metrics.
Recommandé
Solar Inverter and Renewable Energy Control
Grid-tie solar micro-inverters and optimizers need MPPT algorithms plus grid-synchronized output control, both of which the DSPIC33EP64GS504-I/ML sustains with its DSP engine and multi-channel high-speed ADC. The DSC samples panel voltage/current for hill-climbing MPPT while simultaneously controlling the DC-AC or DC-DC stage via the interconnected high-speed PWM. Firmware-defined control means firmware updates can track evolving grid-code requirements without hardware redesign - a decisive advantage over fixed-function controllers in renewable products with long field lifetimes. The 3.0V to 3.6V supply range suits the low-voltage logic domains typical of panel-mounted electronics, and the -40C to +85C industrial rating covers outdoor operating envelopes.
Recommandé
Uninterruptible Power Supplies (UPS)
In double-conversion UPS designs, the DSPIC33EP64GS504-I/ML simultaneously controls the AC-DC rectifier stage and the DC-AC inverter stage using its multiple high-speed PWM generators and fast ADC sampling. Hardware comparators protect the power semiconductors during transfer events and load steps where currents change faster than software loops can react. The 70 MIPS DSP core runs the sinusoidal reference generation, phase-lock loop for grid synchronization, and battery-charge management in one device, consolidating control that traditionally required several analog ICs and an MCU. Because control parameters live in Flash, field firmware updates can tune transient response for different battery or load profiles without touching the power hardware.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP64GS504-I/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP128GS504-I/ML | DSPIC33EP32GS504-I/ML | DSPIC33EP64GP504-E/MV | DSPIC33EP64MC504-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (ML) | 44-QFN (ML) - same | 44-QFN (ML) - same | 44-QFN (ML) - same | 44-QFN (ML) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 128 KB | 32 KB | 64 KB | 64 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Peripheral Family | GS (SMPS/digital power) | GS (SMPS/digital power) | GS (SMPS/digital power) | GP (general purpose) | MC (motor control) |
| 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 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (E suffix, extended) | -40C to +85C |
Principaux différenciateurs
- GS digital-power peripheral fabric (vs DSPIC33EP64GP504-E/MV)
- Memory scalability without redesign (vs DSPIC33EP128GS504-I/ML)
- Honest trade-off: temperature range (vs DSPIC33EP64GP504-E/MV)
Notes de conception
The DSPIC33EP64GS504-I/ML requires a 3.0V to 3.6V rail. In digital power products the DSC often shares a board with noisy switching stages; feed it from a dedicated low-noise LDO or an LC-filtered rail rather than the converter output. Place 0.1uF ceramic decoupling at each VDD/VSS pin pair plus one bulk 4.7uF-10uF capacitor near the package. In digital power boards, poor supply filtering degrades ADC accuracy and can cause jitter on the control loop that firmware cannot compensate.
Route high-speed PWM outputs away from the high-speed ADC input traces on the 44-QFN footprint. Keep the analog feedback traces (current shunt and voltage sense) short, guarded by ground, and sample them away from PWM switching edges by configuring ADC trigger phase relative to the PWM period - the GS peripheral interconnect supports this natively. The QFN's exposed thermal pad should be soldered to a grounded copper pour for thermal dissipation and ground integrity.
The -I suffix is qualified only to +85C; do not deploy it in +125C ambient environments - choose an E-suffix sibling instead. Remember the GS family's high-speed PWM and ADC register set is not source-compatible with GP variants despite the identical footprint, so code will not run unmodified. Also note cross-reference data indicates an estimated EOL date of 2027 for some package variants; qualify a 32GS504 or 128GS504 second source early in production planning.
Informations de conformité
Halogen-free compliant per cross-reference data. RoHS/REACH declarations not present in verified data - confirm on Microchip product page before release. ECCN 3A991.a.2 per cross-reference data.
