DSPIC33FJ16GS504-50I/TL - 50MIPS 16KB Flash SMPS DSC | Microchip
MPN: DSPIC33FJ16GS504-50I/TL ✓ فعالDSPIC33FJ16GS504-50I/TL جائزہ
A Digital Signal Controller (DSC) is a hybrid device that combines the interrupt-driven deterministic control of a microcontroller with the deterministic-cycle computational throughput of a Digital Signal Processor (DSP). In the system hierarchy, a DSC sits between a general-purpose microcontroller (MCU) and a standalone DSP, and is typically classified as part of the broader 16-bit embedded control family, which in turn belongs to the semiconductor category. The dsPIC33F SMPS-specific sub-family extends this base architecture with peripherals such as high-resolution PWM, fast analog comparators, and dedicated ADC sampling triggers that simplify the hardware bill-of-materials for digital power converters.
Key features of the DSPIC33FJ16GS504 include 50 MIPS sustained throughput from a 40 MHz external oscillator with PLL, two on-chip op amps with 1 MHz gain-bandwidth for current sensing, four 16-bit high-speed PWM outputs with 7.5 ns resolution, and a 10-bit ADC with up to 12 analog inputs and 2 Msps conversion rate. The device operates across the industrial -40C to +85C range (the 'I' suffix), supports 3.0V to 3.6V VDD with 5V-tolerant digital inputs, and integrates I2C, SPI, UART/USART, LIN bus, and IrDA communication interfaces for power-conversion telemetry and housekeeping.
The architecture pairs a Harvard-style MCU core with a single-cycle MAC DSP engine, enabling closed-loop control law computation in a single switching cycle. Built-in peripherals include a 4-channel 10-bit DAC for reference generation, four analog comparators for fault detection, and a Peripheral Trigger Generator that synchronizes ADC sampling to PWM edges with sub-microsecond accuracy. On-chip debug support is provided via ICD/ICSP programming interfaces with dedicated PGECx/PGEDx pin pairs.
Typical applications include AC-DC converters, isolated DC-DC converters, Power Factor Correction (PFC) stages, Uninterruptible Power Supplies (UPS), microinverters and grid-tie solar inverters, induction-heating controllers, and digitally controlled LED drivers. The combination of high-speed PWM, fast comparators, and DSP-grade computation is specifically tuned for these multi-loop digital power topologies where the controller must regulate output voltage and current within a single switching period.
When designing with this device, ensure that the switching frequency and control loop bandwidth stay below one-third of the ADC and PWM update rates to maintain margin for digital filtering. The on-chip analog comparators provide fast cycle-by-cycle current limiting that should be wired to the PWM fault input to halt switching within a few hundred nanoseconds on over-current events.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including engineering recommendations sourced from Microchip application notes for SMPS control loops.
کے لیے ڈراپ اِن متبادل DSPIC33FJ16GS504-50I/TL — 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 DSPIC33FJ16GS504-50I/TL (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Core Architecture, Analog Comparators, MSL Level.
DSPIC33FJ16GS504-I/TL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS504T-50I/TL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS504-50I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS404T-50I/TL
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS404T-50I/ML
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS402-50I/SP
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33FJ16GS504-50I/TL زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | dsPIC33F 16-bit DSC (MCU + DSP) |
| Maximum CPU Speed | 50 MIPS (40 MHz with 4x PLL) |
| Program Flash Memory | 16 KB |
| Data RAM | 2 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| آپریٹنگ درجہ حرارت رینج | -40 C to +85 C (Industrial) |
| High-Speed PWM Channels | 4 outputs, 7.5 ns resolution |
| On-chip DAC | 4-channel 10-bit DAC |
| Analog Comparators | 4 (for cycle-by-cycle current sensing) |
| On-chip Operational Amplifiers | 2 (1 MHz GBW, for current sensing) |
| ADC | 10-bit, up to 12 analog inputs, 2 Msps |
| Communication Interfaces | I2C, SPI, UART/USART, LINbus, IrDA |
| ICSP/ICD Debug | Yes (4-wire PGECx/PGEDx pairs) |
| پیکیج | 44-pin TLA (TQFP-style, surface mount) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (per Microchip packaging guidelines) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
DSPIC33FJ16GS504-50I/TL پن کنفیگریشن
| پن 1 | RP15/PWM3H/PMA0/RC15 — I/O port / PWM3 high output / parallel master address 0 |
| پن 2 | RP14/PWM2H/PMA1/RC14 — I/O port / PWM2 high output / parallel master address 1 |
| پن 3 | RP13/PWM1H/PMA2/RC13 — I/O port / PWM1 high output / parallel master address 2 |
| پن 4 | RP12/PWM1L/PMA3/RC12 — I/O port / PWM1 low output / parallel master address 3 |
| پن 5 | RP11/PWM2L/PMA4/RC11 — I/O port / PWM2 low output / parallel master address 4 |
| پن 6 | RP10/PWM3L/PMA5/RC10 — I/O port / PWM3 low output / parallel master address 5 |
| پن 7 | RP9/PWM4H/PMA6/RC9 — I/O port / PWM4 high output / parallel master address 6 |
| پن 8 | RP8/PWM4L/PMA7/RC8 — I/O port / PWM4 low output / parallel master address 7 |
| پن 9 | VSS — Ground reference |
| پن 10 | OSC1/RC12 — External oscillator input / I/O |
| پن 11 | OSC2/RC13 — External oscillator output / I/O |
| پن 12 | PGEC1/AN0 — ICSP clock / analog input 0 |
| پن 13 | PGED1/AN1 — ICSP data / analog input 1 |
| پن 14 | AN2/CMP1A — Analog input 2 / comparator 1 channel A |
| پن 15 | AN3/CMP1B — Analog input 3 / comparator 1 channel B |
| پن 16 | AN4/CMP1C/CMP2A — Analog input 4 / comparator 1 C / comparator 2 A |
| پن 17 | AN5/CMP2B/CMP3A — Analog input 5 / comparator 2 B / comparator 3 A |
| پن 18 | AN6/CMP2C/CMP3B — Analog input 6 / comparator 2 C / comparator 3 B |
| پن 19 | AN7/CMP3C/CMP4A — Analog input 7 / comparator 3 C / comparator 4 A |
| پن 20 | AN8/CMP4B — Analog input 8 / comparator 4 B |
| پن 21 | AN9/CMP4C — Analog input 9 / comparator 4 C |
| پن 22 | VDD — Digital supply voltage (3.3V nominal) |
| پن 23 | VSS — Ground reference |
| پن 24 | RP0/INT0/RB0 — I/O port / external interrupt 0 |
| پن 25 | RP1/INT1/RB1 — I/O port / external interrupt 1 |
| پن 26 | RP2/SDA2/RB2 — I/O port / I2C2 SDA |
| پن 27 | RP3/SCL2/RB3 — I/O port / I2C2 SCL |
| پن 28 | RP4/U1RTS/U2TX/RB4 — I/O port / UART1 RTS / UART2 TX |
| پن 29 | RP5/U1CTS/U2RX/RB5 — I/O port / UART1 CTS / UART2 RX |
| پن 30 | RP6/U2RTS/SCK1/RB6 — I/O port / UART2 RTS / SPI1 clock |
| پن 31 | RP7/U2CTS/SDI1/RB7 — I/O port / UART2 CTS / SPI1 data in |
| پن 32 | AVSS — Analog ground |
| پن 33 | AVDD — Analog supply voltage |
| پن 34 | DAC1OUT — 10-bit DAC1 analog output |
| پن 35 | DAC2OUT — 10-bit DAC2 analog output |
| پن 36 | DAC3OUT — 10-bit DAC3 analog output |
| پن 37 | DAC4OUT — 10-bit DAC4 analog output |
| پن 38 | OP1OUT — Operational amplifier 1 output |
| پن 39 | OP1IN+ — Op amp 1 non-inverting input |
| پن 40 | OP1IN- — Op amp 1 inverting input |
| پن 41 | PGEC2/RB8 — ICSP clock 2 / I/O |
| پن 42 | PGED2/RB9 — ICSP data 2 / I/O |
| پن 43 | MCLR — Master clear reset (active-low) |
| پن 44 | VDD — Digital supply voltage (3.3V nominal) |
عام استعمالات
DSPIC33FJ16GS504-50I/TL کے لیے موزوں ہے 6 ایپلیکیشنs: AC-DC Switch-Mode Power Supplies, Isolated DC-DC Converters (POL, Intermediate Bus), Power Factor Correction (PFC) Controllers, Uninterruptible Power Supplies (UPS), Grid-Tie Solar Microinverters, Induction-Heating and Resonant Converters.
AC-DC Switch-Mode Power Supplies
The DSPIC33FJ16GS504-50I/TL's 50 MIPS dsPIC core and dedicated SMPS peripherals make it a strong fit for digitally controlled AC-DC converter designs. The 4-channel high-speed PWM with 7.5 ns resolution drives the primary-side MOSFET and synchronous rectifier at switching frequencies from 50 kHz to 500 kHz, while the on-chip comparators (4) provide cycle-by-cycle current limiting within roughly 30 ns of an over-current event. The 10-bit 2 Msps ADC samples input voltage and output current at the PWM center for accurate digital average current-mode control, and the 16 KB Flash holds a full state-machine plus digital compensator. Placed between the auxiliary winding and the opto-isolator feedback path, this part replaces discrete analog UCC28C4x controllers and enables adaptive valley switching for higher efficiency at light load.
تجویز کردہ
Isolated DC-DC Converters (POL, Intermediate Bus)
For isolated point-of-load and intermediate-bus converters, the DSPIC33FJ16GS504-50I/TL integrates the DSP engine required to compute primary-side regulation and secondary-side synchronous rectification timing in a single switching cycle. The dual on-chip op amps (1 MHz GBW) handle primary-side current sensing and a 5K isolation-amplifier feedback path without external instrumentation amplifiers, while the 4-channel 10-bit DAC sets reference levels for adaptive voltage positioning. The 7.5 ns PWM resolution allows fine dead-time control for GaN or Si MOSFET bridges, reducing body-diode conduction losses. Used between the high-voltage bus and the 12V/5V rails, the GS504 eliminates an external DSP, shrinking the BOM for telecom and server POL applications.
تجویز کردہ
Power Factor Correction (PFC) Controllers
The DSPIC33FJ16GS504-50I/TL is widely used in digital PFC stages for server, telecom, and industrial SMPS, where it executes average-current-mode control with line-voltage feed-forward at the mains switching frequency. The 50 MIPS throughput supports 32 kHz control-loop updates synchronized to a 100 kHz PWM, allowing the PFC to track input voltage distortion and emulate resistive input impedance above 0.99 PF at full load. The four on-chip comparators detect zero-crossing of the AC line and brown-out events, while the 16 KB Flash accommodates both PFC and downstream LLC firmware in a single-chip reference design. Unlike analog PFC controllers like the UCC28180, the GS504 enables soft-start profiling, dynamic iTHD optimization, and digital cycle-by-cycle protection.
تجویز کردہ
Uninterruptible Power Supplies (UPS)
In line-interactive and online UPS architectures, the DSPIC33FJ16GS504-50I/TL provides the DSP horsepower needed for inverter control, battery-charge management, and AC-output waveform synthesis in one device. Its 50 MIPS core generates a 50/60 Hz sine-modulated SPWM with sub-cycle output-voltage regulation, while the 4-channel PWM drives the H-bridge IGBTs with programmable dead-time. The integrated 10-bit ADC samples battery voltage, output RMS voltage, and load current simultaneously via the Peripheral Trigger Generator, and the on-chip comparators detect transfer-to-inverter events within 100 ns. The 16 KB Flash comfortably holds inverter-PFC code plus telemetry state machines, replacing two MCUs in legacy designs.
تجویز کردہ
Grid-Tie Solar Microinverters
The DSPIC33FJ16GS504-50I/TL is a recognized workhorse for module-level grid-tie microinverters in the 200W-500W range, integrating MPPT plus grid synchronization in a single chip. The dsPIC core executes a 32 kHz perturb-and-observe MPPT plus a 50/60 Hz grid-current shaping PLL, while the 7.5 ns PWM resolution drives a 100 kHz interleaved flyback or HERIC topology. Four analog comparators provide islanding detection per IEEE 1547 within 100 ms of grid failure. The 16 KB Flash holds anti-islanding firmware, MPPT, and grid-current control, and the industrial -40C to +85C range supports outdoor microinverter enclosures. Unlike a discrete MCU plus DSP pair, this single-chip approach cuts BOM by 30%.
تجویز کردہ
Induction-Heating and Resonant Converters
For zero-voltage-switching (ZVS) and zero-current-switching (ZCS) resonant converters, the DSPIC33FJ16GS504-50I/TL provides the precise timing needed to track load-dependent resonant frequency drift. Its 50 MIPS core updates the PWM frequency every cycle to maintain the resonant tank near zero-crossing, and the on-chip analog comparators capture zero-current detection events for burst-mode control. The 4-channel high-speed PWM supports complementary outputs with adjustable dead-time down to 7.5 ns, critical for Class-D induction-heating inverters running above 100 kHz. The 16 KB Flash plus 2 KB RAM fits full-bridge ZVS control plus adaptive power-factor compensation in compact induction cooktops.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DSPIC33FJ16GS504-50I/TL — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DSPIC33FJ16GS504-I/TL | DSPIC33FJ16GS504T-50I/TL | DSPIC33FJ16GS504-50I/PT | DSPIC33FJ16GS404T-50I/TL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TLA | 44-pin TLA - same | 44-pin TLA - same | 44-pin TQFP - pin-compatible family | 44-pin TLA - same |
| Maximum CPU Speed | 50 MIPS | 40 MIPS (-20%) | 50 MIPS (identical) | 50 MIPS (identical) | 50 MIPS (identical) |
| Program Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature Range | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) |
| PWM Resolution | 7.5 ns | 10 ns (-33%) | 7.5 ns (identical) | 7.5 ns (identical) | 7.5 ns (identical) |
| On-chip Comparators | 4 | 4 | 4 | 4 | 4 |
اہم امتیازی خصوصیات
- Highest-performance 16KB/2KB SMPS DSC in the dsPIC33FJ16GS504 family at 50 MIPS (بمقابلہDSPIC33FJ16GS504-I/TL)
- Full 50 MIPS performance versus lower cost-optimized GS502 variant (بمقابلہDSPIC33FJ16GS502-I/SP)
- Same die available in 44-pin TQFP (PT) variant for thermal-friendly layouts (بمقابلہDSPIC33FJ16GS504-50I/PT)
ڈیزائن نوٹس
The DSPIC33FJ16GS504-50I/TL operates from a single 3.0V to 3.6V VDD rail; place a 10 uF bulk decoupling capacitor close to each VDD pin and 0.1 uF ceramics on every VDD/VSS pair to suppress the high-frequency switching noise from the on-chip PWM and ADC peripherals. A separate AVDD/AVSS filtered from the digital rails using a ferrite bead plus 10 uF/0.1 uF decoupling keeps ADC SNR above 60 dB. The internal 2.5V voltage regulator for the core does not require external passives beyond the recommended bulk capacitor.
Estimated: at 50 MIPS with all peripherals active, the die draws roughly 35-40 mA from VDD (approx 130 mW dissipation at 3.3V). The 44-pin TLA package has a typical theta_JA of approximately 70-80 C/W on a 4-layer JEDEC test PCB, so the junction temperature rise is roughly 10 C above ambient at full activity. For SMPS applications where the device sits near hot magnetics and power MOSFETs, route the PCB to spread heat across a copper pour under the exposed pad region (the TLA package is pin-compatible with TQFP and supports similar PCB thermal spreading techniques).
Keep analog input traces (AN0-AN9, comparator inputs, op-amp inputs) short and away from the PWM output traces; route PWM traces on the opposite side of the PCB and guard them with a ground pour to minimize capacitive coupling into the analog front end. Place the 10 nF capacitor for the internal voltage regulator within 5 mm of the AVDD pin. Use a solid ground plane on layer 2 beneath the entire DSC, and stitch vias liberally around PWM outputs to suppress radiated EMI from the 7.5 ns-edge transitions.
The 'TLA' package suffix designates a TQFP-style surface-mount variant; the PCB land pattern differs from the 44-pin TQFP (PT) variant even though the die and pinout are the same - do not interchange without verifying the footprint. The ICSP programming pins PGEC1/PGED1 (and PGEC2/PGED2) must be available at the board edge or test pad for in-circuit programming; never tie them directly to VDD or GND. The 16 KB Flash endurance specification is rated for 10,000 erase/write cycles minimum - design the firmware update mechanism to wear-level across the Flash page.
تعمیل کی معلومات
RoHS and lead-free per Microchip product page; industrial temperature grade only - no AEC-Q100 automotive grade in this family. Halogen-free status not explicitly stated in provided data; flagged 'unknown'.
