DSPIC33EP64GS804-I/PT - 16-bit 70MIPS DSC 64KB Flash CAN | Microchip
Référence : DSPIC33EP64GS804-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.7 | $5,70 |
| 10 | $5.3 | $53,00 |
| 100 | $4.9 | $490,00 |
| 500 | $4.55 | $2 275,00 |
| 1 000 | $4.2 | $4 200,00 |
DSPIC33EP64GS804-I/PT Présentation
A digital signal controller combines the computational capability of a digital signal processor with the peripheral set and control structure of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU for closed-loop control tasks such as switch-mode power supplies, where deterministic interrupt latency and specialized PWM hardware determine control-loop bandwidth and stability.
The GS804 variant belongs to Microchip's dsPIC33EPXXGS70X/80X family, purpose-built for digital power conversion. Key differentiators include interconnected high-speed PWM peripherals with advanced dead-time and trigger control, an ADC with an integrated programmable gain amplifier (PGA) for direct small-signal current sensing, high-speed analog comparators for cycle-by-cycle current limiting, and a CAN interface for industrial communication.
Architecture highlights include the 16-bit dsPIC33E CPU with DSP instruction support (multiply-accumulate, barrel shifter), two loop deep hardware stacks for zero-overhead loops, and functional-safety (FuSa) support documented by Microchip for safety-oriented designs. Operating voltage is 3.3V (3V to 3.6V range) and the industrial temperature grade (I suffix) covers -40C to +85C.
Typical applications are AC-DC and DC-DC power supplies, interleaved power factor correction (Microchip's 350W interleaved PFC reference design uses this family), multi-output LLC and half-bridge converters, digital lighting ballasts, solar micro-inverters, and battery chargers. The 44-pin TQFP offers enough I/O for multi-loop topologies while remaining cost effective.
Design consideration: budget the 3.3V rail decoupling carefully - each VDD/VSS pair needs a 0.1uF ceramic capacitor placed within 2 mm of the pins, and the AVDD analog supply should be filtered with an RC network to preserve ADC accuracy for current-sense feedback.
This page synthesizes distributor pricing, drop-in same-family alternatives, comparison data, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-25.
Alternatives de remplacement direct pour DSPIC33EP64GS804-I/PT — 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 DSPIC33EP64GS804-I/PT (même facteur de forme et même empreinte) — différant par ADC, High-Speed PWM, Supply Voltage, Functional Safety Support, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP64GS804-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EP64GS704-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP32GS804-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP128GS804-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.45 / unité
Voir la fiche technique →DSPIC33EP32GS704-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP64GS804-I/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | 16-bit dsPIC33E DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 64KB (64K x 8) |
| RAM | 8KB |
| Tension d'alimentation | 3V to 3.6V (3.3V nominal) |
| Température de fonctionnement | -40C to +85C (I grade) |
| Boîtier | 44-TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| CAN Module | Yes |
| PWM | Interconnected high-speed PWM |
| ADC | Yes, with programmable gain amplifier (PGA) |
| Comparators | Yes, high-speed |
| Product Family | dsPIC33EPXXGS70X/80X (digital power) |
| Functional Safety Support | Yes (FuSa) |
| Target Application Class | SMPS and digital power conversion |
| Nombre de broches | 44 |
Guide de configuration des broches du DSPIC33EP64GS804-I/PT 44-tqfp (10x10 mm)
Configuration des broches du DSPIC33EP64GS804-I/PT (boîtier 44-tqfp (10x10 mm)). 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 DSPIC33EP64GS804-I/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33EP64GS804-I/PT convient pour 6 applications: AC-DC Power Factor Correction, LLC and Half-Bridge DC-DC Converters, Digital Lighting Ballasts and LED Drivers, Solar Micro-Inverters, Industrial Battery Chargers, Multi-Output Telecom Rectifiers.
AC-DC Power Factor Correction
The DSPIC33EP64GS804-I/PT is a primary candidate for digitally controlled PFC stages because its interconnected high-speed PWM generates phase-shifted or interleaved drive signals with hardware-managed dead time, while the ADC with integrated PGA samples the inductor current directly at small signal levels without an external amplifier. Microchip's own 350W interleaved PFC reference design with universal AC input demonstrates this exact family in production-representative hardware. Running the control loop at 70 MIPS allows average-current-mode control at switching frequencies typical of boost PFC stages, and the high-speed comparators provide cycle-by-cycle overcurrent shutdown in hardware with latency far below any software loop, meeting surge robustness expectations of front-end AC-DC converters.
Recommandé
LLC and Half-Bridge DC-DC Converters
For resonant LLC and phase-shifted half-bridge converters, this DSC provides the complementary PWM outputs with precise dead-time insertion and frequency modulation needed for burst-mode and light-load efficiency schemes. The 8KB RAM accommodates multiple control-loop state variables, telemetry buffering, and protection logging simultaneously, while the CAN module enables communication with a system supervisor in telecom rectifier or server PSU architectures. The ADC's programmable gain amplifier simplifies the analog front end for output current sensing, and the functional-safety documentation path supports designs targeting reliability-focused power systems. The industrial -40C to +85C rating covers the ambient conditions inside fanless and convection-cooled converter enclosures typical of these applications.
Recommandé
Digital Lighting Ballasts and LED Drivers
Digitally controlled HID ballasts and high-power LED drivers benefit from the GS804's combination of high-resolution PWM, fast analog comparators for lamp/current protection, and CAN for networked lighting control in industrial facilities. The 70 MIPS core executes lamp ignition state machines, dimming curves, and fault-recovery sequences with deterministic timing, while the ADC/PGA channel monitors feedback signals directly. The 44-pin TQFP supplies sufficient I/O for multi-channel driver boards without moving to a larger, more expensive package, keeping the controller BOM cost proportionate in cost-sensitive lighting products. Its 3.3V supply integrates cleanly with standard auxiliary bias rails derived from the converter's own startup circuit, simplifying overall system power-tree design.
Recommandé
Solar Micro-Inverters
Micro-inverter control demands simultaneous MPPT computation, grid-synchronization (PLL) code, and multi-rail PWM management - workloads the 70 MIPS DSP-enhanced core with multiply-accumulate instructions handles in a single controller. The interconnected PWM module coordinates the DC-DC MPPT stage and the DC-AC grid-tie stage with hardware-level phase relationships, and the high-speed ADC with PGA tracks panel current and grid feedback with minimal external circuitry. The 8KB RAM supports control coefficients, filter histories, and monitoring data, while CAN provides optional inverter-to-inverter networking. Microchip targets this family specifically at solar and energy-conversion designs, and functional-safety support assists with grid-interconnection compliance engineering workflows.
Recommandé
Industrial Battery Chargers
Smart multi-chemistry chargers need charge-profile state machines, current/voltage closed loops, protective cutoffs, and a communication interface - all native strengths of this DSC. The 70 MIPS core executes CC/CV and taper algorithms while the hardware comparators enforce instantaneous overcurrent limits independent of firmware; the ADC with PGA reads shunt-based current feedback accurately without extra amplifier stages. The CAN interface integrates the charger into vehicle, forklift, or industrial battery-management networks for supervised charging. The 64KB Flash holds protocol stacks plus logging code with margin, and the -40C to +85C industrial rating covers unheated charging stations. The 44-pin count accommodates multiple sense inputs, fan control, and status I/O on one compact 10x10 mm controller.
Recommandé
Multi-Output Telecom Rectifiers
Telecom rectifier modules combine a PFC front end with multiple downstream DC-DC outputs, each needing its own control loop - exactly the multi-loop SMPS workload Microchip designed the GS80X subfamily for. The interconnected high-speed PWM coordinates stage timing across outputs, the comparators give per-stage current protection, and the 70 MIPS core multiplexes several compensation loops through the fast ADC at adequate loop update rates. The CAN bus reports voltage, current, temperature, and alarm telemetry to shelf-management controllers in the -48V power plant. The industrial temperature range and functional-safety documentation align with telecom reliability requirements, and the 44-TQFP footprint keeps the controller area small on dense rectifier power boards.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP64GS804-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP64GS804-E/PT | DSPIC33EP64GS704-I/PT | DSPIC33EP32GS804-I/PT | DSPIC33EP128GS804-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64KB | 64KB | 64KB | 32KB | 128KB |
| CAN Module | Yes | Yes | Yes | Yes | Yes |
| Temperature Range | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Family Positioning | GS80X full-featured digital power | GS80X full-featured (extended temp) | GS70X reduced peripheral density | GS80X, reduced Flash | GS80X, expanded Flash |
Principaux différenciateurs
- Full GS80X analog/PWM peripheral complement on a 44-pin budget (vs DSPIC33EP64GS704-I/PT)
- 64KB Flash with headroom for CAN stack plus safety code (vs DSPIC33EP32GS804-I/PT)
- Industrial cost-optimized temperature grade (vs DSPIC33EP64GS804-E/PT)
Notes de conception
Decouple every VDD/VDDCORE pin pair with a 0.1uF ceramic capacitor placed within 2 mm of the pin, plus one bulk 10uF capacitor per supply domain. Filter AVDD through an RC network (for example 10 ohm + 1uF, verify against the family datasheet recommended circuit) shared by no digital loads, because ADC accuracy for current-sense feedback directly determines control-loop quality in power applications. Keep the analog sense routing away from PWM gate-drive traces on the 10x10 mm TQFP breakout.
dsPIC33E parts require correct configuration of the PLL and watchdog fuses at power-up; a misconfigured oscillator can leave the core clocked below expectation with no obvious fault. Use Microchip MPLAB Code Configurator to generate verified oscillator initialization, and confirm the actual Fcy via a toggled GPIO measurement on first silicon. Also remember that many pins are remappable through Peripheral Pin Select - a pin-mux mismatch between firmware and the schematic is one of the most common bring-up failures on 44-pin dsPIC designs.
Route the high-speed PWM outputs to gate drivers as short, matched pairs and keep their return paths on an uninterrupted ground plane to limit dv/dt coupling into the ADC front end. Place the current-shunt sense network close to the MCU analog pins and use differential (or carefullyKelvin-routed) sense lines; the on-chip PGA gain should be chosen so the sense voltage spans most of the ADC input range for maximum resolution. Reserve test points on PWM outputs and comparator inputs for firmware bring-up.
Informations de conformité
Compliance data not present in the verified web data retrieved for this part; consult Microchip's product page environmental documentation for RoHS/REACH status of DSPIC33EP64GS804-I/PT.