DSPIC33FJ16GS502-E/SO - 40 MIPS 16-bit SMPS DSC | Microchip
MPN: DSPIC33FJ16GS502-E/SO ✓ فعالDSPIC33FJ16GS502-E/SO جائزہ
A digital signal controller combines a microcontroller with DSP computational capabilities. The dsPIC33F family adds high-speed analog peripherals including multi-output high-resolution PWM modules, fast 10-bit ADCs (up to ~2 Msps depending on configuration), analog comparators, and DMA, enabling tight feedback loops in digital power topologies. Compared with conventional MCUs, DSCs execute DSP-friendly instructions (MAC, barrel shift, single-cycle multiply) while retaining deterministic interrupt latency essential for digital control loops.
The DSPIC33FJ16GS502 variant features high-speed PWM channels optimized for power conversion (multi-PWM outputs, complementary modes, fault inputs, programmable dead-time), 21 general-purpose I/O pins, an integrated 10-bit ADC with up to ~2 Msps conversion rate, and dedicated analog comparators for current-mode control. The enhanced (E) temperature grade supports -40C to +125C operation. The 28-pin SOIC (SO) package provides robust mechanical tolerance for industrial power boards, while a 28-pin QFN option (-E/MM) is also available within the family for space-constrained designs.
Architecture details include a modified Harvard bus, 16-bit wide data path, single-cycle hardware multiply, and a 16x16-bit signed fractional MAC engine. The device is supported by Microchip's MPLAB X IDE, MPLAB XC16 compiler, and the MPLAB Code Configurator, with extensive application notes covering digital PFC, full-bridge converters, and resonant LLC topologies. In-circuit serial programming (ICSP) and JTAG boundary-scan facilitate production programming and board-level test.
Typical applications span digital telecom rectifier modules (48V to POL), industrial variable-frequency drives, solar micro-inverters, server and datacom intermediate bus converters, LED driver PFC stages, and battery-charging controllers. The PWM/ADC/comparator combination enables peak current-mode control with sub-microsecond loop bandwidth.
When designing with this part, dedicate separate analog and digital ground planes tied at a single point near the AGND pin, and bypass VDD/VSS with 100 nF ceramic placed within 3 mm of each supply pin. Confirm PWM and ADC timing budgets against the 40 MIPS instruction rate to ensure deterministic sampling of the current-sense comparator.
This page synthesizes real-time distributor pricing, parametric drop-in alternatives, and practical design notes not found in the standalone datasheet, providing engineers with a single decision-ready reference for SMPS DSC selection.
کے لیے ڈراپ اِن متبادل DSPIC33FJ16GS502-E/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DSPIC33FJ16GS502-E/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Analog Comparators, Package, Core Architecture, ADC, RoHS Status.
DSPIC33FJ16GS502-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33FJ16GS502-E/MM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS504-E/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33FJ16GS502T-50E/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33FJ16GS502-50E/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33FJ16GS402-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS502-E/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | dsPIC33F 16-bit DSC |
| Instruction Rate | 40 MIPS |
| Program Memory | 16 KB Flash |
| Data RAM | 2 KB |
| پیکیج | 28-pin SOIC (SO) |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| PWM Channels | High-speed PWM (multi-output, complementary modes) |
| ADC | 10-bit, up to ~2 Msps |
| Analog Comparators | Yes (dedicated, current-mode support) |
| DMA | Yes |
| Temperature Range | -40C to +125C (enhanced grade, E suffix) |
| Programming Interface | ICSP and JTAG boundary-scan |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant (per distributor listings) |
| Target Applications | SMPS, AC/DC, DC/DC, PFC, UPS |
DSPIC33FJ16GS502-E/SO پن کنفیگریشن
| پن 1 | MCLR — Master Clear (Reset) input, active-low; internal pull-up enabled via configuration bit |
| پن 2 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference / PORTA bit 0 |
| پن 3 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference / PORTA bit 1 |
| پن 4 | RA2 — PORTA bit 2, general-purpose I/O |
| پن 5 | RA3 — PORTA bit 3, general-purpose I/O |
| پن 6 | RA4 — PORTA bit 4, general-purpose I/O |
| پن 7 | VDD — Digital supply voltage (3.0 V to 3.6 V) |
| پن 8 | VSS — Digital ground |
| پن 9 | OSC1/RC0 — Crystal oscillator input / PORTC bit 0 |
| پن 10 | OSC2/RC1 — Crystal oscillator output / PORTC bit 1 |
| پن 11 | RC2 — PORTC bit 2, general-purpose I/O |
| پن 12 | RC3 — PORTC bit 3, general-purpose I/O |
| پن 13 | RC4 — PORTC bit 4, general-purpose I/O |
| پن 14 | PWM1H/RB0 — PWM output 1 high / PORTB bit 0 |
| پن 15 | PWM1L/RB1 — PWM output 1 low / PORTB bit 1 |
| پن 16 | PWM2H/RB2 — PWM output 2 high / PORTB bit 2 |
| پن 17 | PWM2L/RB3 — PWM output 2 low / PORTB bit 3 |
| پن 18 | PWM3H/RB4 — PWM output 3 high / PORTB bit 4 |
| پن 19 | PWM3L/RB5 — PWM output 3 low / PORTB bit 5 |
| پن 20 | AVDD — Analog supply voltage |
| پن 21 | AVSS — Analog ground |
| پن 22 | RB8 — PORTB bit 8, general-purpose I/O |
| پن 23 | RB9 — PORTB bit 9, general-purpose I/O |
| پن 24 | RB10 — PORTB bit 10, general-purpose I/O |
| پن 25 | RB11 — PORTB bit 11, general-purpose I/O |
| پن 26 | RB12 — PORTB bit 12, general-purpose I/O |
| پن 27 | RB13 — PORTB bit 13, general-purpose I/O |
| پن 28 | RB14 — PORTB bit 14, general-purpose I/O |
عام استعمالات
DSPIC33FJ16GS502-E/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Power Factor Correction (PFC) Stage, Isolated DC/DC Converters, Uninterruptible Power Supplies (UPS), Solar Micro-Inverters and String Inverters, Industrial Variable Frequency Drives (VFD), Battery Charging Controllers.
Power Factor Correction (PFC) Stage
The DSPIC33FJ16GS502-E/SO fits bridgeless and boost PFC stages thanks to its dedicated high-speed PWM with programmable dead-time and dual analog comparators for cycle-by-cycle current-mode control. At 40 MIPS the core executes average-current and peak-current control loops at switching frequencies up to 200 kHz with sub-microsecond sample-to-update latency, enabling >0.99 power factor across universal 85-265 VAC inputs. The on-chip 10-bit ADC with DMA sequencing samples input voltage and inductor current without CPU intervention, freeing the core for harmonic compensation and soft-start state machines. Engineers commonly pair this DSC with gate drivers and a single current transformer to build 1-3 kW PFC front-ends for server, telecom, and white-goods power supplies.
تجویز کردہ
Isolated DC/DC Converters
For isolated DC/DC topologies such as full-bridge, half-bridge, and active-clamp forward converters, the DSPIC33FJ16GS502-E/SO delivers the multi-PWM outputs and fault-handling required. Complementary PWM with hardware dead-time prevents shoot-through on the primary FETs, and the analog comparators feed high-speed current-mode feedback within the same switching cycle. At 40 MIPS the part executes digital loop compensation, primary-side regulation, and synchronous-rectifier timing for telecom brick converters from 48 V to point-of-load rails. The 16 KB Flash holds a complete state-machine plus adaptive dead-time firmware, while the 2 KB SRAM is enough for ADC ping-pong buffers and PID coefficients updated at runtime.
تجویز کردہ
Uninterruptible Power Supplies (UPS)
The DSPIC33FJ16GS502-E/SO is well suited for line-interactive and online UPS inverter control. The high-speed PWM drives the full-bridge inverter IGBTs, while the fast analog comparator signals overcurrent trips within a single switching cycle. With 40 MIPS, the core runs dual-loop voltage and current control, manages battery state-of-charge, and synchronizes to the AC grid using the on-chip capture/compare module. The enhanced -40C to +125C temperature grade ensures reliable operation in industrial UPS cabinets and rack-mount telecom power plants where ambient temperatures can swing widely.
تجویز کردہ
Solar Micro-Inverters and String Inverters
Micro-inverter and small string inverter designs benefit from the DSPIC33FJ16GS502-E/SO's combined DSP throughput and analog front-end. The DSC executes MPPT algorithms (perturb-and-observe or incremental conductance) at kHz rates, while the high-speed PWM with dead-time drives interleaved boost and full-bridge stages. Integrated comparators enable anti-islanding detection by sensing line voltage phase jumps, and the 10-bit ADC samples PV string voltage and current with DMA-driven throughput that leaves the CPU free for power calculation. Its small 28-pin SOIC footprint suits weather-sealed IP65 inverter enclosures where board space is at a premium.
تجویز کردہ
Industrial Variable Frequency Drives (VFD)
In low-power industrial motor drives the DSPIC33FJ16GS502-E/SO generates the center-aligned PWM used to drive three-phase inverter modules up to several kW. The dsPIC33F core runs vector (FOC) or V/f control loops within the PWM period, leveraging single-cycle MAC instructions for fast Clarke and Park transforms. Analog comparators sense DC-bus current for hardware trip protection, while DMA-driven ADC sampling synchronizes to PWM edges for clean current feedback. The enhanced temperature grade and SOIC package suit HVAC blower, pump, and conveyor motor-control boards exposed to factory-floor thermal cycling.
تجویز کردہ
Battery Charging Controllers
Lithium-ion and lead-acid battery chargers benefit from the DSPIC33FJ16GS502-E/SO's fast analog front-end and PWM density. The DSC manages CC/CV charge profiles, cell balancing timers, and fault detection for 1-2 kW charger designs. DMA-driven ADC sampling tracks battery voltage and current at sub-millisecond intervals, while PWM outputs drive synchronous buck or totem-pole PFC stages. The 16 KB Flash accommodates state-machine-based charge algorithms, BMS logging, and CAN/serial communication stacks for smart-charging applications such as e-mobility chargers and telecom battery plants.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DSPIC33FJ16GS502-E/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DSPIC33FJ16GS502-I/SO | DSPIC33FJ16GS502-E/MM | DSPIC33FJ16GS504-E/SO | DSPIC33FJ16GS502T-50E/SO | DSPIC33FJ16GS502-50E/SO | DSPIC33FJ16GS402-E/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-pin SOIC (SO) | 28-pin SOIC (SO) - same | 28-pin QFN (MM) | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed (MIPS) | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Flash Memory | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB | 16 KB | 16 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 4 KB | 2 KB | 2 KB | 2 KB |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| 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 | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| SMPS PWM Channels | Multi-output high-speed PWM (3 pairs) | Same as this product | Same as this product | Same as this product | Same as this product | Same as this product | Same as this product |
اہم امتیازی خصوصیات
- Enhanced -40C to +125C temperature grade in SOIC package (بمقابلہDSPIC33FJ16GS502-I/SO)
- Drop-in upgrade to doubled Flash/RAM via same SOIC footprint (بمقابلہDSPIC33FJ16GS504-E/SO)
- Multi-output high-speed PWM with programmable dead-time (بمقابلہDSPIC33FJ16GS402-E/SO)
ڈیزائن نوٹس
The DSPIC33FJ16GS502-E/SO requires a clean 3.3 V supply with low-noise LDO upstream. Place a 10 uF bulk + 100 nF ceramic pair within 3 mm of each VDD/VSS pin pair, with separate analog (AVDD/AVSS) and digital supply pins. Add a ferrite bead between the analog and digital 3.3 V rails when running high-speed ADC sampling to prevent digital switching noise from coupling into current-sense signals.
Route PWM output traces as 50 ohm controlled-impedance microstrip lines for switching frequencies above 100 kHz to limit ringing. Keep PWM traces short (<25 mm) and place gate-driver ICs immediately adjacent. Use separate analog and digital ground planes tied at a single point near the AGND pin to prevent ground loops. The exposed thermal pad area on the 28-pin SOIC is non-existent, so the SOIC variant relies on copper pours on top-side for any moderate dissipation.
Estimated: at 40 MIPS, each ADC sample-window must fit inside the assigned PWM-edge dead-time slot to avoid sub-cycle aliasing. With a 200 kHz PWM frequency (5 us period), the available sampling window is ~500 ns after the dead-time gap. Place the ADC trigger from the PWM special-event trigger (SEVTCMP) and verify ADC sampling-delay (SAMC) setting is at least 3 TAD per datasheet DC specifications. DMA can offload the ADC result register into RAM automatically, allowing the CPU to focus on control arithmetic.
Do not enable JTAG pins (PGEC1/PGED1) inadvertently as I/O without configuring the JTAGEN bit to 0. Always program configuration bits to disable watchdog in debug or set proper WDT period, otherwise in-circuit debugging can hang unexpectedly. The analog comparator output must be cleared in software when transitioning from a fault condition, or the PWM will latch off. Review the silicon errata before committing to production firmware.
Estimated: at 40 MIPS with VDD=3.3 V and peripheral activity at moderate loading, core power dissipation is approximately 0.05 W, well within the 28-pin SOIC thermal budget (theta_JA ~85 C/W in still air). Junction temperature rise remains under 5 C in typical -40C to +125C ambient. For high-altitude or sealed enclosures, validate with a thermocouple on the package body during worst-case firmware execution.
تعمیل کی معلومات
RoHS and lead-free compliance per Microchip product page and distributor listings. AEC-Q100 qualification is not listed for the E (enhanced) grade - automotive programs should confirm with Microchip field support. REACH and conflict-minerals status per manufacturer's signed declaration; halogen-free status not explicitly listed on distributor pages.
