DSPIC33EP64GS806-I/PT - 70 MIPS DSC 64KB Flash CAN | Microchip
料号： DSPIC33EP64GS806-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.9 | $59.00 |
| 100 | $5.42 | $542.00 |
| 500 | $4.98 | $2,490.00 |
| 1,000 | $4.6 | $4,600.00 |
DSPIC33EP64GS806-I/PT 概述
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.
直接替换替代料： DSPIC33EP64GS806-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33EP64GS806-I/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Core Architecture, Lifecycle Status, Packaging.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64GS806-E/PT
✅ 直接替换✓ 有现货
$4.8 / 个
查看数据手册 →DSPIC33EP64GS806T-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP64GS506
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP512MC806-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.1 / 个
查看数据手册 →DSPIC33EP512MC806T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.95 / 个
查看数据手册 →DSPIC33EP64GS806-I/PT 最大额定值与电气特性
| 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 |
| 封装 | 64-TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (I grade) |
| Debug/Programming Interface | ICSP via PGECx/PGEDx pairs (MPLAB SNAP compatible) |
| RoHS 状态 | Compliant |
| 生命周期状态 | Active (order today, ships today at DigiKey) |
DSPIC33EP64GS806-I/PT 64-tqfp (10x10 mm) 引脚配置指南
DSPIC33EP64GS806-I/PT（64-tqfp (10x10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33EP64GS806-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64GS806-I/PT 适用于 6 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64GS806-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Purpose-built SMPS peripheral interconnect （对比 DSPIC33EP512MC806-I/PT)
- Extended temperature drop-in availability （对比 DSPIC33EP64GS806-E/PT)
- Integrated CAN on a digital power DSC （对比 DSPIC33EP64GS506)
设计说明
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.
合规信息
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.
