DSPIC33EP64GS502-E/2N - 16-bit 60 MIPS DSC, 64KB Flash | Microchip
Référence : DSPIC33EP64GS502-E/2N ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.95 | $4,95 |
| 10 | $4.45 | $44,50 |
| 100 | $3.9 | $390,00 |
| 500 | $3.45 | $1 725,00 |
| 1 000 | $3.1 | $3 100,00 |
DSPIC33EP64GS502-E/2N Présentation
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy, a DSC replaces analog PWM controllers with firmware-defined switching control, enabling adaptive algorithms such as nonlinear control, predictive control, and phase management in switched-mode power supplies.
Key features of the dsPIC33EP64GS502 include the dsPIC 33EP core with DSP instruction extensions, an interconnected high-speed PWM module designed for synchronous rectification and phase-shifted topologies, a high-speed 12-bit ADC with programmable gain amplifier (PGA), and integrated analog comparators and DACs for fast current-limit protection loops. The device also carries Functional Safety (FuSa) support per Microchip's product classification.
The GS-series interconnect fabric routes ADC sample-ready events directly to PWM updates with deterministic latency, minimizing control-loop delay, which is the critical parameter in peak-current-mode and multi-phase converter designs operating at hundreds of kilohertz.
Typical applications include AC-DC power supplies and interleaved power factor correction (Microchip publishes an Interleaved PFC reference design rated up to 350 W for this family), DC-DC converters, digital lighting ballasts, solar micro-inverters, and automotive power modules where the AEC-Q100 qualification and E-grade temperature rating are required.
Design consideration: budget the control-loop timing so that ADC conversion completes within the PWM period deadband; the interconnect allows near-zero-latency duty-cycle updates but firmware must not exceed the sampling budget.
This page synthesizes distributor availability data, same-package alternatives, and digital-power design notes not found in a single manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33EP64GS502-E/2N — 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 DSPIC33EP64GS502-E/2N (même facteur de forme et même empreinte) — différant par Package, ADC, Core Architecture, DAC, Packaging.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP128GS502-E/2N
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP32GS502-E/2N
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.5 / unité
Voir la fiche technique →DSPIC33EP64GS502-I/2N
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP64GS502-E/2N Valeurs maximales et caractéristiques électriques
| Core | dsPIC 33EP, 16-bit |
| Max CPU Speed | 60 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Tension d'alimentation | 3.3 V |
| Boîtier | 28-UQFN (6x6 mm) with exposed pad |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +125C (E grade) |
| Qualification | AEC-Q100 (Automotive) |
| Functional Safety | FuSa supported (per Microchip classification) |
| High-Speed PWM | Yes, interconnected (digital power optimized) |
| ADC | High-speed 12-bit with PGA |
| Comparators | Integrated analog comparators |
| DAC | Integrated DAC |
| Product Series | dsPIC33EPXXGS50X (Digital Power/SMPS) |
| Packing | Tube (per distributor listing) |
Guide de configuration des broches du DSPIC33EP64GS502-E/2N 28-uqfn (6x6 mm) with exposed pad
Configuration des broches du DSPIC33EP64GS502-E/2N (boîtier 28-uqfn (6x6 mm) with exposed pad). 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 DSPIC33EP64GS502-E/2N.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33EP64GS502-E/2N convient pour 6 applications: AC-DC Switch-Mode Power Supplies, Interleaved Power Factor Correction, DC-DC Converters and Point-of-Load, Automotive Power Conversion Modules, Solar Micro-Inverters and Lighting Ballasts, Digital Battery Chargers.
AC-DC Switch-Mode Power Supplies
The DSPIC33EP64GS502-E/2N fits AC-DC SMPS designs because its interconnected high-speed PWM module and high-speed ADC with PGA close current-mode loops with deterministic, near-zero latency, supporting switching frequencies in the hundreds of kilohertz. In a typical flyback or forward converter the ADC samples the primary current each cycle, comparators provide hardware cycle-by-cycle current limit, and firmware implements the voltage-loop compensator digitally - allowing adaptive compensation and brown-out shaping impossible with fixed analog controllers. Trade-off: firmware development effort exceeds an analog PWM IC, but BOM consolidation and field-updatable control behavior offset it in volume.
Recommandé
Interleaved Power Factor Correction
Microchip publishes an Interleaved PFC reference design for this family producing up to 350 W from a universal AC input, making the DSPIC33EP64GS502-E/2N a natural controller for two-phase boost PFC stages. The GS-series PWM interconnect phase-shifts the two boost legs precisely while independent ADC channels sample each inductor current; the PGA amplifies shunt signals for accurate average-current-mode control. Integrated DACs set comparator thresholds for fast overcurrent protection without CPU intervention. The 60 MIPS core averages input current shaping and per-phase balancing simultaneously, and the 64KB flash holds the PFC state machine with margin for PMBus telemetry.
Recommandé
DC-DC Converters and Point-of-Load
In synchronous buck or boost DC-DC converters, the DSPIC33EP64GS502-E/2N replaces analog PWM controllers with a digitally controlled loop: the high-speed ADC with PGA samples output voltage and inductor current, and the interconnected PWM adjusts duty cycle with deterministic delay, enabling higher bandwidth than analog loops of equal complexity. Integrated comparators implement hardware current limit for fault resilience during load transients. The 3.3 V supply and 28-pin UQFN 6x6 package suit compact POL bricks. Design consideration: allocate firmware cycles so sampling plus compensation complete inside the switching period deadband.
Recommandé
Automotive Power Conversion Modules
The DSPIC33EP64GS502-E/2N carries AEC-Q100 qualification and an E temperature grade of -40C to +125C, satisfying the environmental requirements of automotive 12 V and 48 V power conversion modules such as LED headlamp drivers, DC-DC aux converters, and small inverter auxiliaries. Hotenda's listing explicitly identifies the part as 'Automotive, AEC-Q100.' The digital control architecture supports adaptive algorithms - for example, LED thermal foldback computed from sensed current and temperature - while comparators enforce hardware fault limits. FuSa support per Microchip's classification assists safety-relevant documentation packages required by automotive development flows.
Recommandé
Solar Micro-Inverters and Lighting Ballasts
Digital lighting ballasts and small solar micro-inverter stages benefit from the GS-series combination of high-resolution PWM control, fast ADC sensing, and on-chip comparators. In a micro-inverter MPPT front end, the DSPIC33EP64GS502-E/2N executes the MPPT algorithm at 60 MIPS while PWM drives the power stage and the ADC-with-PGA resolves small shunt voltages for current sensing - reducing external signal-conditioning components. In ballasts, the same peripherals implement lamp-current regulation and fault shutdown via comparator interrupts. The 64KB flash accommodates grid-interconnect housekeeping code, and the 6x6 mm UQFN saves board area in sealed enclosures.
Recommandé
Digital Battery Chargers
Smart battery chargers require precisely profiled CC/CV charging curves, temperature-based derating, and fault logging - all firmware tasks where the DSPIC33EP64GS502-E/2N excels. The high-speed ADC samples charge current and pack voltage each PWM cycle; the DACs and comparators implement hardware OVP/OCP cutoffs independent of software; and the 60 MIPS core runs charge-state state machines plus communication protocols simultaneously. Flash-resident charge profiles allow one hardware BOM to serve multiple battery chemistries, and the AEC-Q100 E-grade option qualifies the charger for vehicle accessory applications operating from -40C to +125C ambient conditions.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP64GS502-E/2N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP128GS502-E/2N | DSPIC33EP32GS502-E/2N | DSPIC33EP64GS502-I/2N |
|---|---|---|---|---|
| Package | 28-UQFN (6x6 mm) EP | 28-UQFN (6x6 mm) EP - same | 28-UQFN (6x6 mm) EP - same | 28-UQFN (6x6 mm) EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 64 KB | 128 KB | 32 KB | 64 KB |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C |
| Qualification | AEC-Q100 Automotive | AEC-Q100 Automotive | AEC-Q100 Automotive | Industrial (non-automotive) |
| High-Speed PWM / ADC-PGA | Yes | Yes (same GS-series interconnect) | Yes (same GS-series interconnect) | Yes (same GS-series interconnect) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Principaux différenciateurs
- Balanced 64KB flash for multi-loop digital power firmware (vs DSPIC33EP32GS502-E/2N)
- Automotive E-grade temperature rating (vs DSPIC33EP64GS502-I/2N)
- Cost-optimized upgrade path (vs DSPIC33EP128GS502-E/2N)
Notes de conception
The /2N package is a 6x6 mm UQFN with a large exposed pad on the bottom side that must be soldered to a grounded copper pour - it is both the primary ground return and the main thermal path. Design the land pattern per Microchip's UQFN application note with an array of thermal vias (typically 4x4) connecting the pad to internal ground planes. Do not treat the exposed pad as no-connect; boards that omit the pad connection exhibit elevated junction temperatures and degraded analog performance in the ADC and PGA.
In digital power layouts, keep the high-speed ADC input traces away from PWM switching nodes; the GS-series interconnect will faithfully convert whatever noise the ADC samples. Use Kelvin connections for current-shunt sense lines into the PGA inputs and add RC anti-alias filtering sized to the ADC sampling scheme in the family datasheet. Decouple every VDD pin with 0.1 uF ceramics placed within 2 mm of the pin, plus bulk capacitance near the 3.3 V rail entry to the board.
Do not assume all 28-pin dsPIC33EP GS502 order codes share one footprint: /2N is the UQFN 6x6, while /MM and /ML are QFN-S and /SS, /SO, /SP are other packages with different land patterns. When qualifying alternates, verify the suffix precisely. Also confirm flash headroom before substituting the 32KB variant - reserve at least 20% margin for OTA or diagnostic code growth, otherwise the cost saving becomes a respin later in the program.
Informations de conformité
AEC-Q100 automotive qualification and -40C to +125C E-grade confirmed via distributor listings (Hotenda, FindIC). RoHS/REACH/lead-free status not stated in provided web data - verify on Microchip product page.
