DSPIC33FJ06GS102AT-I/MM - 16-bit 40 MIPS DSC 6KB Flash | Microchip
MPN： DSPIC33FJ06GS102AT-I/MM ✓ 啟用中DSPIC33FJ06GS102AT-I/MM 概覽
A Digital Signal Controller combines the computational throughput of a Digital Signal Processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33FJ GS family sits at the top of the dsPIC33F line for digital power conversion, pairing a 16-bit modified Harvard CPU with dedicated analog and PWM hardware.
Key features highlighted by distributors include high-speed PWM modules, on-chip analog-to-digital conversion and analog comparators, making this part explicitly targeted at Switch-Mode Power Supply (SMPS) and digital power control applications. The GS family architecture provides deterministic execution of control loops, with DSP instructions (MAC, DSP multiply) accelerating compensator algorithms.
The device operates from a single 3.3V supply (3.0V to 3.6V range per distributor data) across the industrial -40C to +85C temperature range, indicated by the I temperature suffix. The T suffix denotes tape-and-reel delivery for automated assembly.
Typical applications include digital switch-mode power supplies, AC-DC and DC-DC converters, power factor correction stages, LED drivers, and battery chargers, where the dedicated high-speed PWM peripherals close digital control loops with microsecond-scale updates.
Designers should plan for the modest 256-byte RAM when structuring control variables and avoid deep C stacks; the MPLAB XC-DSC compiler provides fine control over code generation for these resource constraints.
This page adds value beyond the datasheet by synthesizing distributor pricing tiers, verified drop-in alternatives, application guidance, and FAQ content not found on the manufacturer page.
直接替換替代品，適用於 DSPIC33FJ06GS102AT-I/MM — 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： DSPIC33FJ06GS102AT-I/MM （相同外形與佔位） — 差異在於 Core Architecture, Package.
DSPIC33FJ06GS102A-I/MM
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ06GS102AT-E/MM
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ06GS101AT-I/MM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ16GS102
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ06GS102AT-I/MM 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33F DSC core |
| Maximum MIPS | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| Data RAM | 256 Bytes |
| Operating Voltage | 3.0 V to 3.6 V (3.3 V nominal) |
| 封裝 | 28-QFN-S (6x6 mm) with exposed pad |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +85C (I grade) |
| 腳位數 | 28 |
| Key Peripherals | High-Speed PWM, ADC, Comparators (SMPS-oriented) |
| Product Family | dsPIC33FJ06GS102A (dsPIC 33F) |
| Packaging Option (T suffix) | Tape and Reel |
DSPIC33FJ06GS102AT-I/MM 28-qfn-s (6x6 mm) with exposed pad 腳位配置指南
DSPIC33FJ06GS102AT-I/MM（28-qfn-s (6x6 mm) with exposed pad 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： DSPIC33FJ06GS102AT-I/MM.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ06GS102AT-I/MM 適用於 6 應用s: Digital Switch-Mode Power Supplies (SMPS), Power Factor Correction (PFC) Stages, LED Driver and Lighting Ballasts, Battery Chargers, Embedded Digital Power Control Prototyping, Industrial Automation and Motor Drive Auxiliary Power.
Digital Switch-Mode Power Supplies (SMPS)
The DSPIC33FJ06GS102AT-I/MM is purpose-built for digitally controlled SMPS, combining a 40 MIPS 16-bit DSC core with high-speed PWM modules, ADC, and analog comparators. Distributors such as Mouser explicitly categorize this device under SMPS-oriented DSP/DSC parts. In a typical AC-DC or DC-DC converter, the DSC samples output voltage and current, executes a digital compensator in firmware, and updates PWM duty cycle within the switching period - closing control loops for topologies like buck, boost, flyback, and half-bridge at switching frequencies in the tens to hundreds of kilohertz. The 3.0V to 3.6V single-supply operation simplifies bias design, while the exposed-pad QFN conducts switching-noise ground currents into the PCB plane. Firmware overhead is minimal because PWM peripherals handle dead-time and fault trip autonomously.
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Power Factor Correction (PFC) Stages
Power factor correction demands fast, phase-accurate current shaping, and the DSPIC33FJ06GS102AT-I/MM provides the deterministic 40 MIPS execution and GS-family high-speed PWM resolution needed to follow a sinusoidal current reference in boost-PFC front ends. The on-chip ADC digitizes input current and bus voltage, while analog comparators support fast overcurrent protection independent of the CPU - a critical safety path when the PWM stage misbehaves. With 6KB FLASH, a complete average-current-mode PFC compensator plus housekeeping firmware fits comfortably, and the 256-byte RAM holds state variables without external memory. Operating from -40C to +85C, the I-grade part suits industrial and telecom rectifier modules where power factor compliance standards must be met across the full environmental range.
推薦
LED Driver and Lighting Ballasts
Dimmable LED drivers benefit from the DSPIC33FJ06GS102AT-I/MM's combination of high-speed PWM and 40 MIPS firmware throughput, enabling constant-current regulation, PWM or analog dimming, and multi-string phase management in a single 28-pin QFN device. The analog comparators provide cycle-by-cycle overcurrent protection for the switching stage, and the ADC supports temperature derating of LED current to extend luminaire lifetime. Because the device runs from a 3.3V rail at 3.0V to 3.6V, secondary-side control interfaces and optocoupler feedback circuits integrate simply. The I-grade temperature range covers enclosed fixture environments up to +85C; luminaires exceeding that should use the E-grade sibling DSPIC33FJ06GS102AT-E/MM, which is pin-compatible. 6KB FLASH holds dimming curves and communication handling.
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Battery Chargers
Multi-chemistry battery charging requires precise current/voltage profiling, and the DSPIC33FJ06GS102AT-I/MM implements CC/CV charging, termination detection, and fault handling in firmware using its 40 MIPS core, high-speed PWM power stage control, and integrated ADC. The 6KB FLASH stores charge profiles for Li-ion, lead-acid, and NiMH chemistries with room for a simple host communication protocol, while the 256-byte RAM holds the charging state machine. Analog comparators give hardware-level overcurrent response faster than any firmware loop, protecting cells during fault transients. The industrial -40C to +85C rating supports outdoor and vehicle-mounted charger electronics. Designers should budget ADC sampling and PWM update timing so the digital current loop bandwidth stays well below the switching frequency.
推薦
Embedded Digital Power Control Prototyping
Microchip's Explorer 16/32 Development Board supports the dsPIC33FJ06GS102 family through Plug-In Modules (PIMs), providing a low-cost modular path to prototype digital control firmware before committing to the 28-QFN footprint. The MPLAB XC-DSC C/C++ compiler gives full access to DSC hardware capabilities, including DSP instructions useful for filter and compensator computation. Because the DSPIC33FJ06GS102AT-I/MM uses standard MCLR/PGD/PGC programming pins, in-circuit debugging translates directly from the PIM prototype to production PCB. Engineers can benchmark compensator execution time against the 40 MIPS ceiling on the development board, then scale the design knowing the same die and peripherals ship in the surface-mount QFN-28 package for volume production.
推薦
Industrial Automation and Motor Drive Auxiliary Power
Industrial drives and automation cabinets need auxiliary switch-mode converters that stay regulated across wide load and temperature swings, a fit for the DSPIC33FJ06GS102AT-I/MM's -40C to +85C I-grade rating and autonomous PWM fault protection. The 40 MIPS core executes supervisory logic - sequencing, telemetry, and housekeeping - alongside the digital power loop, replacing discrete analog controllers with a single 28-QFN device. Comparators provide hardware trip zones protecting downstream MOSFET stages, and the ADC feeds condition-monitoring data to a host. Firmware in 6KB FLASH covers converter control plus a basic status interface. For designs requiring more connectivity, the dsPIC33EV family members on this site offer CAN and larger memory in compatible development workflows, but the GS102A remains the compact digital-power choice.
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推薦產品摘要
工程參考資料，適用於 DSPIC33FJ06GS102AT-I/MM — 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 | DSPIC33FJ06GS102A-I/MM | DSPIC33FJ06GS102AT-E/MM | DSPIC33FJ06GS101AT-I/MM | DSPIC33FJ16GS102 |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| FLASH Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 16 KB |
| Data RAM | 256 Bytes | 256 Bytes | 256 Bytes | 256 Bytes | 256 Bytes |
| Peripherals | High-Speed PWM, ADC, Comparators (SMPS) | Identical GS102A peripheral set | Identical GS102A peripheral set | GS101 set (reduced comparators) | GS16 set (more FLASH, same SMPS peripherals) |
主要差異化特點
- SMPS-dedicated peripheral set at entry price point (對比DSPIC33FJ16GS102)
- Cost-optimized industrial temperature grade (對比DSPIC33FJ06GS102AT-E/MM)
- A-revision silicon with corrected errata (對比DSPIC33FJ06GS102-I/MM (non-A))
- Trade-off: minimal RAM (對比DSPIC33FJ16GS102)
設計說明
Supply the DSPIC33FJ06GS102AT-I/MM from a clean 3.3V rail within the 3.0V to 3.6V range. In SMPS applications the DSC shares a board with its own switching power stage, so isolate AVDD from the switching-node ground return: use an RC or ferrite filter between VDD and AVDD, and place 0.1uF ceramics at each supply pin plus bulk capacitance near the part. The exposed pad of the 28-QFN should be soldered to a grounded thermal pad - it is both the main heat path and the noise reference. Estimated: junction rise is negligible at typical DSC currents (tens of mA at 3.3V), so thermal design centers on solder integrity, not heatsinking.
The 256-byte RAM is the most common design blocker on this device. Budget early: a floating-point PID compensator with LCD or communication buffers can exhaust RAM quickly. Prefer integer or fractional (Q15) arithmetic using the DSC's native MAC instructions, keep stack depth shallow, and review the MPLAB XC-DSC memory usage report at every build. Also note the silicon revision: the original GS102 has published errata that the GS102A (this part) corrects - do not substitute the non-A GS102 into an A-based design without checking the Microchip errata sheet referenced in the family datasheet (DS-75018B).
Lay out the high-speed PWM output traces to the gate drivers short and away from the ADC input traces; GS-family comparators protecting the power stage must sense clean signals to avoid nuisance trips. Route MCLR, PGD, and PGC to a 5-pin programming header even in production boards - in-circuit debugging on the assembled PCB dramatically reduces digital-power bring-up time. Reserve the Explorer 16/32 PIM workflow for firmware development so the production layout does not need re-spin for debug access.
Keep the ADC input routing (voltage/current sense lines) as a Kelvin connection directly at the shunt or divider point, and ground the divider return at a single quiet analog ground point. Because PWM edges on this DSC slew fast enough to couple into neighboring traces, maintain at least 2-3x trace-width spacing from analog sense lines, and consider a local ground guard trace. This preserves the comparator and ADC accuracy on which the entire digital control loop depends.
合規資訊
Compliance data was not stated in the provided verified web data for this exact MPN suffix. Verify RoHS/REACH/lead-free status via the Microchip product page environmental data for the 28-QFN package code, or request a certificate of conformance from the distributor.
