DSPIC33EP128GS804T-I/ML - 70MIPS Digital Power DSC | Microchip
부품 번호: DSPIC33EP128GS804T-I/ML ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $17.52 | $17.52 |
| 10 | $16.2 | $162.00 |
| 100 | $14.9 | $1,490.00 |
| 500 | $13.75 | $6,875.00 |
| 1,000 | $12.6 | $12,600.00 |
DSPIC33EP128GS804T-I/ML 개요
A digital signal controller combines the computation pipeline of a DSP engine (16-bit multiply-accumulate, DSP instruction set, dual operand fetch) with the peripheral ecosystem of a microcontroller (flash program memory, interrupts, timers, serial communication). In the power-management hierarchy, the dsPIC33EP GS804 family sits in the digital power conversion segment, purpose-built as a programmable control IC that replaces multiple analog control loops in switch-mode power supplies.
Key differentiating features include the interconnected high-speed PWM module for multi-phase and multi-loop topologies, a 12-bit ADC paired with programmable gain amplifiers (PGA) and analog comparators, and an integrated CAN peripheral, according to the Microchip product page for the dsPIC33EP128GS804. The device operates from a 3.0V to 3.6V supply, and the GS80X family explicitly supports AC-to-DC converters and other digital switch-mode power supply applications.
Architecturally, the device uses dual-partition flash with live-update capability, allowing firmware to run from one partition while the other is reprogrammed - a critical capability for field-updatable power products. The interlocked PWM, ADC and comparator datapath minimizes loop latency, enabling switching frequencies and control bandwidths that pure software-loop MCUs cannot achieve.
Typical applications include AC/DC power supplies, LLC resonant converters, power factor correction (PFC) stages, digital lighting ballasts, solar micro-inverters, and battery chargers.
Design consideration: budget the 3.3V rail decoupling and VDD/AVDD separation early; the analog PGA and comparator front end requires a quiet AVDD domain to deliver the loop accuracy the PWM module is capable of.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: DSPIC33EP128GS804T-I/ML — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33EP128GS804T-I/ML (동일 폼 팩터 및 풋프린트) — 차이점: Package, Core Architecture, Operating Temperature, PWM, Program Memory (Flash).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33EP128GS804-I/ML
✅ 드롭인✓ 재고 있음
$4.6 / 개
데이터시트 보기 →DSPIC33EP64GS804-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$3.98 / 개
데이터시트 보기 →DSPIC33EP128GS704-I/ML
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP64GS704-I/ML
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP128GM304T-I/ML
✅ 드롭인✓ 재고 있음
$3.62 / 개
데이터시트 보기 →DSPIC33EP128GS804T-I/ML 최대 정격 & 전기적 특성
| Core Architecture | 16-bit dsPIC33E DSC with DSP engine |
| Max CPU Speed | 70 MIPS |
| Flash Program Memory | 128 KB (43K x 24) |
| RAM | 8 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| CAN Interface | Yes (integrated CAN peripheral) |
| PWM Module | Interconnected high-speed PWM for digital power |
| Analog Front End | 12-bit ADC with programmable gain amplifiers (PGA) and comparators |
| Flash Partitioning | Dual partition flash with live update |
| 패키지 | 44-QFN (8x8 mm) |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (industrial, I suffix) |
| Functional Safety Support | Yes (FuSa package designation per DigiKey) |
| Target Application Family | SMPS and digital power conversion (dsPIC33EPXXGS70X/80X) |
| Packaging Suffix | T = Tape and Reel, /ML = 44-pin QFN |
| RoHS 상태 | ROHS3 Compliant |
DSPIC33EP128GS804T-I/ML 44-qfn (8x8 mm) 핀 구성 가이드
DSPIC33EP128GS804T-I/ML(44-qfn (8x8 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: DSPIC33EP128GS804T-I/ML.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DSPIC33EP128GS804T-I/ML 적합 용도: 6 애플리케이션s: AC/DC Power Supply Control, Power Factor Correction (PFC), LLC Resonant Converter Control, Digital Lighting and LED Drivers, Battery Chargers and BMS Nodes, Solar Micro-Inverters.
AC/DC Power Supply Control
The DSPIC33EP128GS804T-I/ML is purpose-built for AC/DC converter control, which Microchip explicitly cites as a target use for the dsPIC33EPXXGS70X/80X family. The interconnected high-speed PWM generates phase-locked gate signals for PFC and secondary-side stages, while the 12-bit ADC with programmable gain amplifiers samples current and voltage feedback with minimal conversion latency. On-chip comparators provide hardware over-current protection that reacts faster than any software loop, enabling cycle-by-cycle current limiting in flyback and LLC topologies. Dual-partition flash allows firmware updates in the field without bricking deployed power supplies.
추천
Power Factor Correction (PFC)
In boost or bridgeless PFC stages, control-loop speed determines harmonic distortion and efficiency. The DSPIC33EP128GS804T-I/ML closes the current loop using its 12-bit ADC and PGA at high sample rates, while the interconnected PWM module updates duty cycle with hardware-level determinism unavailable in generic MCUs. The 70 MIPS DSP core with multiply-accumulate instructions executes the compensation filter in a fraction of a switching period at typical PFC frequencies. The integrated CAN peripheral lets the controller report power quality and telemetry in telecom rectifiers and industrial power shelves without an external CAN controller.
추천
LLC Resonant Converter Control
LLC converters require precise frequency and phase modulation with fast fault response. The DSPIC33EP128GS804T-I/ML provides complementary PWM outputs with programmable dead time through its interconnected high-speed PWM module, allowing direct control of the half-bridge or full-bridge resonant tank. The analog comparators implement hardware burst-mode and over-current thresholds independent of CPU load. The DSP engine runs the voltage-loop compensator at 70 MIPS while dual-partition flash supports live firmware tuning of the resonant gain schedule. Typical designs place this DSC as the single supervisory plus control IC on the primary side.
추천
Digital Lighting and LED Drivers
High-power LED drivers and electronic ballasts benefit from the DSPIC33EP128GS804T-I/ML combination of precise PWM dimming generation, analog current sensing via PGA and ADC, and programmable fault comparators. The DSC can implement constant-current control, dimming curves, and DALI/DMX-style communication stacks on one chip; the CAN port bridges to building automation networks. The 44-QFN (8x8) footprint suits compact driver boards in luminaires, and the -40C to +85C industrial rating covers outdoor lighting enclosures. Hardware comparators protect against LED string open/short faults with microsecond response.
추천
Battery Chargers and BMS Nodes
Multi-stage battery charging (CC/CV/trickle) requires accurate current and voltage regulation plus safety supervision. The DSPIC33EP128GS804T-I/ML measures cell current and voltage through its PGA-enhanced 12-bit ADC, drives the charger power stage with the interconnected high-speed PWM, and enforces protection limits via on-chip comparators with hardware response. The CAN interface makes the part a natural charging node in automotive-adjacent and industrial battery systems, communicating charge state to a vehicle or plant controller. Dual-partition flash permits charge-algorithm updates as battery chemistries evolve over product lifetime.
추천
Solar Micro-Inverters
Micro-inverter control demands simultaneous MPPT computation, grid-synchronization and inverter PWM generation. The DSPIC33EP128GS804T-I/ML handles all three on one die: the 70 MIPS DSP core executes MPPT and grid PLL algorithms, the high-speed PWM synthesizes the AC modulation pattern, and the 12-bit ADC plus PGA samples panel current/voltage and grid waveforms. The industrial -40C to +85C operating range and RoHS3-compliant 44-QFN package suit sealed rooftop electronics. Firmware flexibility in the GS family lets designers tune switching strategies (hard-switched vs resonant) without hardware changes.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC33EP128GS804T-I/ML — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33EP128GS804-I/ML | DSPIC33EP64GS804-I/ML | DSPIC33EP128GS704-I/ML | DSPIC33EP128GM304T-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128 KB (43K x 24) | 128 KB | 64 KB (-50%) | 128 KB | 128 KB |
| 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 |
| Digital Power Analog Set (PGA, comparators, interconnected PWM) | Full GS804 set | Full GS804 set - same | Full GS804 set - same | Reduced (GS704 analog set) | General-purpose GM peripherals, no PGA set |
| CAN Interface | Yes | Yes | Yes | Yes | Yes |
| Packaging Format | Tape & Reel (T suffix) | Tray | Tape & Reel / Tray | Tape & Reel / Tray | Tape & Reel |
주요 차별점
- Interconnected high-speed PWM purpose-built for SMPS (vs DSPIC33EP128GM304T-I/ML)
- Double the flash for live-update firmware (vs DSPIC33EP64GS804-I/ML)
- Extended PGA/comparator analog interconnection (vs DSPIC33EP128GS704-I/ML)
설계 노트
Design a dedicated 3.3V rail (3.0V-3.6V per datasheet range) with at least 10uF bulk plus 0.1uF ceramic decoupling at each VDD pin of the 44-QFN. In digital power applications the DSC sits near noisy switch nodes, so star-route VDD and use a ferrite bead to separate AVDD from noisy digital VDD; the PGA and comparators share the analog domain and ripple there directly enters the control-loop measurement error.
The 8x8 mm 44-QFN has an exposed thermal/electrical pad under the package - connect it to a solid ground pour with an array of vias to inner ground planes. PWM output traces to gate drivers should be short and referenced to ground; keep feedback traces carrying ADC inputs away from PWM and gate-drive nets to prevent switching transients coupling into the 12-bit ADC front end.
Dual-partition live update consumes flash across two images - if you rely on field updates, size your firmware for the 128 KB version rather than the 64 KB DSPIC33EP64GS804. Also note the 'I' temperature suffix is -40C to +85C industrial, not automotive; do not substitute this commercial-grade part into AEC-Q100 powertrain designs without formal qualification.
Microchip's digital power reference designs for the dsPIC33EP GS family route the comparator/pwm fault trip path entirely in hardware - preserve this by keeping the fault input nets short and adding appropriate RC filtering per the family reference manual guidelines, so cycle-by-cycle current limiting is not compromised by layout-induced glitches.
규정 준수 정보
ics-embedded distributor data lists ROHS3 Compliant. Standard industrial-grade commercial part; no AEC-Q100 qualification stated in provided data.