DSPIC33EP64GS806-I/PT - 70 MIPS DSC 64KB Flash CAN | Microchip
MPN： DSPIC33EP64GS806-I/PT ✓ 啟用中DSPIC33EP64GS806-I/PT 概覽
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and control-oriented architecture of a microcontroller (MCU). Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated power-control ASIC: it executes high-frequency closed-loop control algorithms - such as voltage-mode, current-mode, or multi-loop digital control - in software while providing purpose-built peripherals for sensing and switching. The dsPIC33EP GS family from Microchip is specifically engineered for digital switch-mode power conversion.
The defining feature set of the GS variant targets SMPS and digital power conversion: interconnected high-speed PWM peripherals for multi-phase and complementary switching, an ADC combined with programmable gain amplifiers (PGA) and comparators for fast current-loop feedback, and a CAN interface for system communication. The 70 MIPS core allows execution of multi-loop compensation at switching frequencies well into the hundreds of kilohertz.
Architecturally, the device uses a modified Harvard 16-bit core with DSP instruction extensions (MAC, dual operand fetch), hardware division support, and deterministic interrupt latency, which are essential for time-critical control loops. The interconnected PWM, ADC, and comparator blocks can trigger each other without CPU intervention, offloading latency from firmware.
Typical applications include AC-DC power supplies, interleaved power factor correction (PFC), DC-DC converters, solar micro-inverters, battery chargers, and lighting ballasts. Microchip's Interleaved PFC reference design, producing up to 350W from universal AC input, demonstrates the family's intended use.
Design consideration: verify PGECx/PGEDx pairs are used as matched pairs for ICSP in-circuit serial programming and debugging, and budget the ADC/PWM interconnect configuration carefully when implementing multi-loop control.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64GS806-I/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33EP64GS806-I/PT （相同外形與佔位） — 差異在於 Operating Temperature, Package, Core Architecture, Lifecycle Status, Packaging.
DSPIC33EP64GS806-E/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP64GS806T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP64GS506
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP512MC806-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP512MC806T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64GS806-I/PT 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33EP DSC core |
| Maximum Processing Speed | 70 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data RAM | 8 KB |
| CAN Module | Yes |
| Special Peripherals | Interconnected high-speed PWM, ADC with PGA, comparators |
| Target Application Family | SMPS and digital power conversion |
| Functional Safety Support | FuSa (Functional Safety) classification |
| 封裝 | 64-TQFP (10x10 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +85C (I grade) |
| Debug/Programming Interface | ICSP via PGECx/PGEDx pairs (MPLAB SNAP compatible) |
| RoHS 狀態 | Compliant |
| 生命週期狀態 | Active (order today, ships today at DigiKey) |
DSPIC33EP64GS806-I/PT 64-tqfp (10x10 mm) 腳位配置指南
DSPIC33EP64GS806-I/PT（64-tqfp (10x10 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33EP64GS806-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64GS806-I/PT 適用於 6 應用s: Digital AC-DC Power Supplies, Interleaved Power Factor Correction (PFC), DC-DC Converters and Point-of-Load Regulation, Solar Micro-Inverters, Battery Chargers, LED Drivers and Lighting Ballasts.
Digital AC-DC Power Supplies
The DSPIC33EP64GS806-I/PT fits digital AC-DC converter control because its GS-series peripherals were purpose-built for switch-mode power supplies: the interconnected high-speed PWM generates complementary or phase-shifted drive for the primary bridge, while the ADC with programmable gain amplifier samples output voltage and transformer current fast enough for peak current-mode control. Placed in the control loop at up to 70 MIPS, the DSC executes voltage and current compensation loops entirely in firmware, eliminating dedicated analog control chips and enabling adaptive features such as burst mode and dynamic response tuning. The CAN module reports telemetry to system hosts in server and telecom power plants.
推薦
Interleaved Power Factor Correction (PFC)
Interleaved PFC is the flagship demonstration application for this part: Microchip's official Interleaved PFC reference design based on the dsPIC33EP GS family accepts universal AC input and delivers a high-voltage DC output up to 350W. The DSPIC33EP64GS806-I/PT suits this topology because its high-speed PWM channels natively produce phase-shifted interleaved switching that cancels input ripple current, while the on-chip comparators trip the PWM in hardware for cycle-by-cycle overcurrent protection with no CPU latency. Firmware running on the 70 MIPS core implements average current-mode control and input-voltage feedforward, achieving high power factor across the universal input range.
推薦
DC-DC Converters and Point-of-Load Regulation
In DC-DC and point-of-load converters, the DSPIC33EP64GS806-I/PT replaces analog PWM controllers with a fully digital control loop. The interconnected PWM-ADC-comparator fabric lets the comparator trip switching events in hardware while the 70 MIPS DSP core runs proportional-integral compensation with DSP MAC instructions at hundreds of kilohertz switching frequencies. The 8KB RAM retains multiple control-law coefficients and fault logs, and the programmable gain amplifier scales shunt-current signals directly, removing external op-amp stages. Digital implementation enables PMBus-style telemetry and firmware-updatable control tuning that analog controllers cannot offer.
推薦
Solar Micro-Inverters
Solar micro-inverters require simultaneous MPPT, grid-synchronous DC-AC inversion, and grid monitoring - a workload matched to this DSC's architecture. The DSPIC33EP64GS806-I/PT's 70 MIPS core executes MPPT algorithms while the interconnected high-speed PWM generates synchronized sinusoidal PWM drive for the inverter bridge, and the ADC with PGA samples grid voltage and current for anti-islanding and power-quality compliance. The industrial -40C to +85C rating covers rooftop enclosure temperatures. Running control in firmware allows field-updatable grid-code profiles, a key advantage over fixed-function analog inverter controllers in evolving regulatory markets.
推薦
Battery Chargers
Battery chargers benefit from the DSPIC33EP64GS806-I/PT's combination of precision analog capture and communication. The ADC with programmable gain amplifier measures charge current and cell voltage for constant-current/constant-voltage profiling, while the high-speed PWM controls the buck or flyback charge stage with cycle-by-cycle current limiting via the on-chip comparators. The CAN interface is the differentiator: it links the charger to vehicle or energy-storage BMS networks for charge negotiation and fault reporting. The industrial temperature grade supports automotive-adjacent and industrial charging equipment operating in enclosed, hot environments.
推薦
LED Drivers and Lighting Ballasts
Digital LED drivers and electronic ballasts use the DSPIC33EP64GS806-I/PT to implement dimming, power factor correction, and fault protection in firmware. The interconnected high-speed PWM delivers both the converter switching stage and independent dimming channels with fine duty-cycle resolution, while the fast ADC loop regulates LED current against ripple and thermal drift. The 70 MIPS core accommodates DALI or CAN-based dimming protocol stacks alongside the power loop. Compared to analog drivers, the digital approach provides programmable dimming curves, thermal foldback, and end-of-life diagnostics without additional circuitry, reducing BOM cost in high-volume luminaires.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64GS806-I/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33EP64GS806-E/PT | DSPIC33EP64GS806T-E/PT | DSPIC33EP512MC806-I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP - same family package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB | 64 KB | 64 KB | 512 KB |
| CAN Module | Yes | Yes | Yes | Yes |
| GS Power-Conversion Peripherals (High-Speed PWM + PGA) | Yes | Yes | Yes | No (MC series) |
| Operating Temperature | -40C to +85C (I) | Extended grade (-E) | Extended grade (-E) | -40C to +85C (I) |
主要差異化特點
- Purpose-built SMPS peripheral interconnect (對比DSPIC33EP512MC806-I/PT)
- Extended temperature drop-in availability (對比DSPIC33EP64GS806-E/PT)
- Integrated CAN on a digital power DSC (對比DSPIC33EP64GS506)
設計說明
ICSP programming requires matched PGECx/PGEDx pairs. Per the dsPIC33EP64GS806 development documentation, the device has multiple PGECx/PGEDx pairs and you must use them as a pair - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Mixing channels from different pairs is a common bring-up failure. Reserve one pair on your PCB header compatible with MPLAB SNAP's 8-pin SIL connector, and keep traces on these pins short to preserve debug reliability.
As a digital power controller, the DSC shares a board with high dv/dt and di/dt switching nodes. Route PWM outputs away from the ADC input traces feeding the PGA, and use a solid ground plane under the controller with separate analog and power grounds joined at a single point near the supply. Decouple the VDD pins with 0.1uF ceramics placed within 2 mm of each pin pair. Star-route the reference for the current-sense shunt to the PGA input to avoid ground bounce corrupting cycle-by-cycle comparator trips.
Supply voltage range is not stated in the reviewed distributor data - confirm the 3.0-3.6V class dsPIC33EP operating range in the manufacturer datasheet before design release. Estimated: at 70 MIPS active execution, dsPIC33EP-class DSCs typically draw tens of milliamperes from a 3.3V rail, so budget a low-noise LDO or ferrite-filtered rail separate from gate-driver supplies. Sequencing the DSC rail before gate-driver supplies prevents uncontrolled PWM outputs during startup.
合規資訊
RoHS compliance consistent with Microchip's active dsPIC33EP production; specific REACH, lead-free, halogen-free, and conflict-minerals declarations were not stated in the reviewed distributor data.
