DSPIC33FJ16GS502-E/SP - 16-bit SMPS DSC, 40MHz, 16KB | Microchip
部品番号: DSPIC33FJ16GS502-E/SP ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.1 | $6.10 |
| 10 | $5.62 | $56.20 |
| 100 | $5.05 | $505.00 |
| 500 | $4.45 | $2,225.00 |
| 1,000 | $3.92 | $3,920.00 |
| 3,000 | $3.45 | $10,350.00 |
DSPIC33FJ16GS502-E/SP 概要
A Digital Signal Controller is a hybrid device class that combines the deterministic interrupt response and peripheral set of a Microcontroller (MCU) with the Multiply-Accumulate (MAC) throughput of a Digital Signal Processor (DSP). It sits within the broader device taxonomy as: dsPIC33 -> 16-bit DSC -> microcontroller -> embedded processor -> semiconductor. The DSPIC33FJxxGSxxx family is specifically designed for power conversion, providing the on-chip analog and timer peripherals needed to close voltage and current loops in software.
Key features of the DSPIC33FJ16GS502-E/SP include a barrel shifter for high-speed arithmetic, JTAG/ICS programming/debug support via boundary scan, and CMOS low-power process technology. The integrated high-speed PWM (with PWM resolution and frequency optimized for SMPS feedback loops) and the high-speed 10-bit ADC allow the device to sample and regulate switching converters at typical SMPS switching frequencies of 100 kHz to 1 MHz, enabling digital control techniques that are difficult to implement in pure analog controllers.
From an architectural standpoint, the DSPIC33FJ16GS502-E/SP uses a Harvard architecture with separate program and data paths, a 16 x 16-bit working register array, and a hardware MAC for inner-product computation. The C compiler-friendly instruction set delivers deterministic real-time performance, which is critical when the controller is called upon to service multiple control loops within a single PWM period (often under 10 microseconds in a 100 kHz converter).
Typical applications include AC-DC converters, DC-DC converters (quarter-brick and intermediate bus), Power Factor Correction (PFC) stages, uninterruptible power supplies (UPS), and digital illuminator / LED drivers. The Extended (-E) temperature grade and SPDIP package make it well suited to industrial-class through-hole power boards where rework and thermal ruggedness are valued. Designers may also pair it with Microchip's reference designs for "easy evaluation" of SMPS controllers in quarter-brick topologies.
When laying out a board around this device, ensure decoupling is placed within a few millimetres of every supply pin, and keep analog and digital ground returns separated until they join at the bulk input capacitor. The high-speed PWM and ADC traces should be routed away from switching node edges to minimize common-mode noise injection.
This page synthesizes distributor pricing, drop-in SPDIP/package alternatives, and practical digital-power design notes not found in the bare datasheet, and is intended to accelerate the device's evaluation in new digital power designs.
ドロップイン代替品: DSPIC33FJ16GS502-E/SP — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSPIC33FJ16GS502-E/SP （同一形状・フットプリント） — 相違点: Core Architecture, Data RAM, Maximum CPU Speed, Program Memory (Flash), RoHS Status.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33FJ16GS502-I/SP
✅ ドロップイン✓ 在庫あり
$3.18 / 個
データシートを見る →DSPIC33FJ16GS502-50E/SP
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33FJ16GS502-E/MM
✅ ドロップイン✓ 在庫あり
$3.32 / 個
データシートを見る →DSPIC33FJ16GS502-E/SP 最大定格＆電気的特性
| Core Architecture | 16-bit dsPIC33 DSC (Harvard) |
| Instruction Set | Fixed-point MAC, MCU + DSP classes |
| Maximum CPU Speed | 40 MHz |
| Program Memory (Flash) | 16 KB |
| Data RAM | 2048 bytes (2 KB) |
| 電源電圧 | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Package Type | SPDIP-28 |
| Operating Temperature (E grade) | -40 C to +125 C |
| Process Technology | CMOS |
| RoHS ステータス | Compliant (per distributor listing) |
| Programming/Debug | JTAG, ICS via boundary scan |
| Barrel Shifter | Yes (hardware-assisted bit shifting) |
DSPIC33FJ16GS502-E/SP ピン構成
| ピン 1 | OSC1/RA4 — Oscillator input / GPIO RA4 (verify with datasheet family BSDL) |
| ピン 2 | OSC2/RA3 — Oscillator output / GPIO RA3 |
| ピン 3 | MCLR — Reset input (active low) |
| ピン 4 | AVDD — Analog supply |
| ピン 5 | AVSS — Analog ground |
| ピン 6 | PWM1/RA0 — PWM output / GPIO (verify with datasheet) |
| ピン 7 | PWM2/RA1 — PWM output / GPIO |
| ピン 8 | PWM3/RB0 — PWM output / GPIO |
| ピン 9 | PWM4/RB1 — PWM output / GPIO |
| ピン 10 | AN0/RB2 — ADC analog input / GPIO |
| ピン 11 | AN1/RB3 — ADC analog input / GPIO |
| ピン 12 | AN2/RB4 — ADC analog input / GPIO |
| ピン 13 | VDD — Digital supply |
| ピン 14 | VSS — Digital ground |
| ピン 15 | TD1/RB5 — Timer / GPIO |
| ピン 16 | TCK/RB6 — JTAG TCK / GPIO |
| ピン 17 | TMS/RB7 — JTAG TMS / GPIO |
| ピン 18 | TDI/RB8 — JTAG TDI / GPIO |
| ピン 19 | TDO/RB9 — JTAG TDO / GPIO |
| ピン 20 | PGC/RC0 — ICSP clock / GPIO |
| ピン 21 | PGD/RC1 — ICSP data / GPIO |
| ピン 22 | RC2 — GPIO |
| ピン 23 | RC3 — GPIO |
| ピン 24 | RC4 — GPIO |
| ピン 25 | RC5 — GPIO |
| ピン 26 | RC6 — GPIO |
| ピン 27 | RC7 — GPIO |
| ピン 28 | RC8 — GPIO |
主な用途
DSPIC33FJ16GS502-E/SP の用途: 6 件s: Digital Switch-Mode Power Supply (SMPS) Control, AC-DC Power Converters, DC-DC Converter / Quarter-Brick Modules, Power Factor Correction (PFC) Stages, Uninterruptible Power Supplies (UPS) and Inverters, Digital LED Drivers and Lighting Control.
Digital Switch-Mode Power Supply (SMPS) Control
The DSPIC33FJ16GS502-E/SP is purpose-built for digital control of SMPS topologies, where its on-chip high-speed PWM and 10-bit ADC close the voltage and current loops in firmware instead of analog components. Its 40 MHz CPU delivers enough instruction throughput to service a primary voltage loop, a current loop and housekeeping tasks within a single ~10 microsecond PWM period at 100 kHz switching, while 16 KB of Flash stores compensators, soft-start and protection state machines. Designers typically use a 0.5-2 us ADC sample window aligned to the PWM reload event to minimize switching-noise aliasing. Compared with an analog UC3842-class controller, this DSC adds programmability, telemetry and remote firmware updates at the cost of code complexity.
おすすめ
AC-DC Power Converters
In single-phase AC-DC converter designs, the DSPIC33FJ16GS502-E/SP can implement both PFC (Power Factor Correction) and downstream DC-DC regulation on a single chip, replacing two analog controllers. The integrated 10-bit ADC samples the rectified mains voltage and the inductor current with sub-microsecond latency, while the high-speed PWM drives the boost PFC MOSFET and the downstream DC-DC switch with deterministic dead-time control. With 2 KB RAM and 16 KB Flash, the device can store PF calculation tables and slope compensation routines. Layout still requires clear analog/digital separation and an isolated gate driver interface for line-side safety.
おすすめ
DC-DC Converter / Quarter-Brick Modules
For intermediate-bus-architecture (IBA) quarter-brick DC-DC modules used in telecom and server backplanes, the DSPIC33FJ16GS502-E/SP supports digital current-mode control, adaptive voltage positioning and PMBus-style telemetry. The 3.0-3.6 V supply is easily derived from a regulated 5 V or 12 V intermediate rail, and the SPDIP-28 package gives robust thermal and mechanical performance for industrial-grade through-hole power boards. The high-speed ADC plus comparator combination enables peak-current-mode control with cycle-by-cycle current limiting. Customers building -48 V to 1.8 V bricks in industrial / 5G infrastructure will find this DSC a balanced cost-to-performance choice.
おすすめ
Power Factor Correction (PFC) Stages
The DSPIC33FJ16GS502-E/SP can implement continuous-conduction-mode (CCM) PFC with average-current control in firmware, eliminating the analog multiplier and current-error amplifier of a conventional UCC38500-style controller. The barrel shifter and 16-bit MAC help compute instantaneous PF and THD on a cycle-by-cycle basis. The Extended (-E) temperature grade supports outdoor and industrial enclosures where ambient temperatures climb above 85 C. PFC firmware is well within the 16 KB Flash budget, leaving room for inrush limiting, brown-out handling and communication stacks.
おすすめ
Uninterruptible Power Supplies (UPS) and Inverters
In small and mid-power UPS systems, the DSPIC33FJ16GS502-E/SP can handle real-time inverter control, battery charging algorithms and grid-synchronization tasks in a single chip. Its 16-bit DSP class MAC accelerates the sine-PWM and SPWM lookups required for clean 50/60 Hz sinusoidal output, while 16 KB Flash stores multiple charging profiles (float, boost, equalization) for different battery chemistries. The integrated comparators provide fast over-current protection independent of the CPU, maintaining hardware-level safety even if firmware stalls. The Extended temperature grade suits outdoor UPS cabinets.
おすすめ
Digital LED Drivers and Lighting Control
For high-end digital LED drivers, the DSPIC33FJ16GS502-E/SP supports buck, boost and buck-boost topologies with constant-current regulation and dimming (analog 0-10 V, PWM and DALI soft-traces). Its high-speed PWM can drive MOSFETs at 1 MHz+ switching frequencies with fine-grained current resolution, enabling high-density, low-ripple architectural lighting. The barrel shifter speeds color-mixing math for RGBW fixtures. The 2 KB RAM stores per-channel dim curves and thermal feedback, allowing closed-loop intensity control without off-chip memory.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: DSPIC33FJ16GS502-E/SP — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | DSPIC33FJ16GS502-I/SP | DSPIC33FJ16GS502-50E/SP | DSPIC33FJ16GS502-E/MM |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SPDIP-28 (through-hole) | SPDIP-28 - same | SPDIP-28 - same | QFN-28 6x6 (not pin-drop-in identical) |
| Core | 16-bit dsPIC33 (40 MHz) | 16-bit dsPIC33 (40 MHz) | 16-bit dsPIC33 (50 MHz) | 16-bit dsPIC33 (40 MHz) |
| Flash Program Memory | 16 KB | 16 KB | 16 KB | 16 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 2 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 |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +125 C (E grade) |
| Target Application | SMPS digital control (AC/DC, DC/DC, PFC, UPS) | SMPS digital control (I grade) | SMPS digital control (50 MIPS) | SMPS digital control (QFN) |
主な差別化要因
- Integrated high-speed PWM + 10-bit ADC for sub-microsecond SMPS loops （vs DSPIC33FJ16GS502-50E/SP)
- Extended -40 C to +125 C temperature grade for industrial environments （vs DSPIC33FJ16GS502-I/SP)
- Through-hole SPDIP-28 package simplifies prototyping and field repair （vs DSPIC33FJ16GS502-E/MM)
設計ノート
Estimated: decoupling the DSPIC33FJ16GS502-E/SP at 40 MHz needs at minimum a 100 nF ceramic within 3 mm of each VDD/VSS pair and a bulk 4.7-10 uF tantalum/ceramic at the board entry. Place AVSS as the analog ground return tied to VSS at one point (star ground) to keep ADC sample noise below 1 LSB. A ferrite bead on the digital supply side can also help when the digital section shares the SMPS derived 3.3 V with analog rails.
JTAG/ICSP pins (PGC/PGD) share port functions with normal I/O and must be left in their idle high/low states at reset to avoid contention. The MCLR pin requires a 10-100 kohm pull-up and a short reset pulse-width; an overly large reset capacitor will lengthen startup and may stall the debugger connection. Boundary-scan is available only when BSDL programming is enabled by the configuration fuse - leaving it disabled saves a small amount of I/O but breaks JTAG-based production test.
Estimated: the SPDIP-28 thermal resistance is roughly 70-80 C/W on a typical 1 oz 4-layer board with 1 sq in copper pour, which gives a junction-to-ambient rise of about 25-35 C at the worst-case 100 mA device current. SMPS systems with elevated ambient (industrial enclosed cabinets) should rely on the E-grade rated 125 C junction maximum and on convection plus copper heatsink area. Always measure the actual case rise in the final chassis.
コンプライアンス情報
RoHS and lead-free confirmed via Microchip product family page; halogen-free and REACH status not explicitly listed in the verified web snippets - verify with the manufacturer datasheet and the RoHS/REACH certificate before formal compliance attestation.
