DSPIC33FJ16GS504T-E/TL - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
MPN: DSPIC33FJ16GS504T-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.1 | $71.00 |
| 100 | $6.05 | $605.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.55 | $4,550.00 |
DSPIC33FJ16GS504T-E/TL Overview
A Digital Signal Controller (DSC) is a hybrid microcontroller that combines a deterministic 16-bit MCU controller with a single-cycle DSP MAC engine on the same die. dsPIC33F parts sit within the broader hierarchy: DSC -> microcontroller -> embedded controller -> semiconductor. SMPS-targeted dsPIC33F GS variants such as the 16GS504 add high-resolution PWM outputs and fast ADC sampling intended for switched-mode power supply control loops, where the DSP path runs the compensator while the MCU path handles housekeeping, communication, and protection sequencing.
Key features include 16 KB of self-programmable Flash, 2 KB SRAM, 24 channels of 10-bit ADC and 4 channels of 10-bit DAC on chip, multiple PWM modules with duty-cycle resolution suitable for digital power conversion, and a wide 3.0V to 3.6V supply range. The part is AEC-Q100 qualified (Automotive grade per the GlobalSpec datasheet listing) and ships in a 6x6 mm 44-pin VTLA package suitable for compact, high-density power-conversion boards.
Architecturally, the 16GS504 pairs a modified Harvard bus with a 16-bit DSP engine capable of single-cycle 16x16 MAC operations. This makes the device suitable for closed-loop control of DC-DC converters, PFC stages, and digital lighting ballasts where deterministic control-loop timing is required without external DSP co-processors.
Typical applications include digitally controlled switched-mode power supplies, AC-DC and DC-DC converters with PFC, uninterruptible power supplies (UPS), digital lighting ballasts, and motor-control inverter stages. The extended-temperature ("-E") grade also makes the device suitable for industrial automation and white-goods power stages.
When designing with this device, ensure the JTAG/ICSP programming interface is accessible and that the 44-pin VTLA land pattern matches your PCB footprint. Review the SMPS datasheet chapter for ADC acquisition timing and PWM-to-ADC synchronization, because digital power loops are highly sensitive to sampling jitter.
This page synthesizes verified distributor pricing, same-package drop-in alternatives, and practical SMPS design notes that go beyond the manufacturer datasheet's parametric summary, helping power-supply engineers shorten component-selection and board-bring-up cycles.
Drop-in alternatives for DSPIC33FJ16GS504T-E/TL — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ16GS504T-E/TL (same form factor and footprint) — differing in Package, RoHS Status, ADC, Core, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ16GS504T-50E/TL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ16GS504T-I/TL
✅ Drop-In✓ In Stock
$3.92 / Unit
View Datasheet →DSPIC33FJ16GS504-I/TL
✅ Drop-In✓ In Stock
$3.68 / Unit
View Datasheet →DSPIC33FJ16GS504-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.21 / Unit
View Datasheet →DSPIC33FJ16GS504T-E/TL
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →DSPIC33FJ16GS504T-E/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F (16-bit DSC with DSP engine) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (SRAM) | 2 KB |
| Maximum CPU Speed | 40 MIPS (at 40 MHz FCY) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| ADC | 10-bit, up to 24 input channels |
| DAC | 10-bit, 4 channels |
| PWM Modules | Multiple high-speed PWM outputs (SMPS-optimized) |
| Operating Temperature Range | -40C to +125C (E grade, extended) |
| Package | 44-pin VTLA (6x6 mm) |
| Mounting Type | Surface Mount |
| IC Type | Digital Signal Controller (DSC) / MCU+DSP |
| Automotive Qualification | AEC-Q100 (E grade extended temperature) |
| RoHS Status | Compliant |
| Packaging | Tube (factory pack quantity: 40) |
DSPIC33FJ16GS504T-E/TL 44-pin vtla (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ16GS504T-E/TL (44-pin vtla (6x6 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ16GS504T-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ16GS504T-E/TL is suitable for 6 applications: Digitally Controlled Switched-Mode Power Supply (SMPS), Power Factor Correction (PFC) Stage Controller, Uninterruptible Power Supply (UPS) Controller, Digital Lighting Ballast (HID / LED Driver), Motor Drive / Inverter Control, Industrial Process Control / Automation.
Digitally Controlled Switched-Mode Power Supply (SMPS)
The DSPIC33FJ16GS504T-E/TL is purpose-built for digital control of switched-mode power supplies. Its 40 MIPS dsPIC DSC core executes single-cycle 16x16 MAC operations needed for digital compensator math (Type-II/Type-III PID, pole-zero placement), while on-chip high-speed PWMs drive the power stage with sub-microsecond resolution and 24 channels of 10-bit ADC sample the output voltage and current feedback. Compared with analog UC3842-style controllers, the 16GS504 lets engineers tune loop response in firmware, trim output voltage via I2C/UART, and add telemetry without external DSP co-processors, while the 16 KB Flash holds compensation tables and soft-start profiles.
Recommended
Power Factor Correction (PFC) Stage Controller
In boost-PFC front ends the DSPIC33FJ16GS504T-E/TL can run average-current-mode control at the 50-100 kHz switching frequencies typical of 1-3 kW converters. The 10-bit ADC's 24 input channels monitor input voltage, input current, and output DC bus simultaneously, while the SMPS-optimized PWM modules generate the boost switch drive with programmable dead time. Average current mode control requires precise multiplication of input current and voltage - exactly the kind of DSP math the dsPIC core handles in one cycle, enabling near-unity PF and low iTHD without analog multipliers.
Recommended
Uninterruptible Power Supply (UPS) Controller
Online double-conversion UPS systems use two power stages (rectifier and inverter) plus a static transfer switch, and the DSPIC33FJ16GS504T-E/TL can supervise both stages from one IC. Its 24 ADC channels sense DC bus voltage, battery current, and load current; the 10-bit DACs generate reference setpoints; and the high-speed PWMs drive both the rectifier IGBTs and the inverter IGBTs. The 2 KB SRAM is sufficient for state machines handling grid/battery/source-transfer logic, while 16 KB Flash holds the sinusoidal PWM tables and battery-charge profiles needed for line-interactive and online UPS topologies.
Recommended
Digital Lighting Ballast (HID / LED Driver)
HID ballasts and high-brightness LED drivers require constant-current or constant-power control at frequencies from a few kHz to several hundred kHz. The DSPIC33FJ16GS504T-E/TL's SMPS PWM peripherals support the high switching frequencies and programmable dead-time control needed for half-bridge and full-bridge topologies, while its 16-bit DSC engine runs current-loop compensation. For LED street-lighting drivers the extended -40C to +125C temperature range (E grade) and AEC-Q100 qualification make the part suitable for outdoor and automotive LED lamp modules where ambient temperature swings are extreme.
Recommended
Motor Drive / Inverter Control
Small BLDC and PMSM motor drives up to several hundred watts fit naturally on the DSPIC33FJ16GS504T-E/TL. Its 6 PWM outputs (with complementary mode and programmable dead time) drive a 3-phase inverter bridge, the 24 ADC channels sample phase currents and back-EMF for sensorless FOC, and the 16-bit DSP engine executes Park/Clarke transforms and PI current loops in real time at 40 MIPS. Compared with the PIC18F + external gate driver approach, the 16GS504 integrates motor-control math on-chip, simplifying the BOM for appliance pumps, fans, and small industrial servos.
Recommended
Industrial Process Control / Automation
In industrial PLC modules and process-control front ends the DSPIC33FJ16GS504T-E/TL handles sensor conditioning, PID control, and fieldbus-style communication from one IC. Its 24 ADC channels interface directly with 4-20 mA current-loop sensors, thermocouples (with external amplification), and bridge pressure sensors. The 16 KB Flash stores PID tuning constants and calibration coefficients, and the E temperature grade ensures operation across -40C to +125C industrial environments. The 44-pin VTLA package (6x6 mm) supports compact DIN-rail-mount I/O modules where board real estate is at a premium.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ16GS504T-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ16GS504T-50E/TL | DSPIC33FJ16GS504T-I/TL | DSPIC33FJ16GS504-I/TL | DSPIC33FJ16GS504-E/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin VTLA (6x6 mm) | 44-pin VTLA (6x6 mm) - same | 44-pin VTLA (6x6 mm) - same | 44-pin VTLA (6x6 mm) - same | 44-pin QFN (8x8 mm) - different land pattern |
| Core | dsPIC33F DSC, 16-bit | dsPIC33F DSC, 16-bit - same | dsPIC33F DSC, 16-bit - same | dsPIC33F DSC, 16-bit - same | dsPIC33F DSC, 16-bit - same |
| Maximum CPU Speed | 40 MIPS | 50 MIPS (+25%) | 40 MIPS (same) | 40 MIPS (same) | 40 MIPS (same) |
| Program Memory (Flash) | 16 KB | 16 KB (same) | 16 KB (same) | 16 KB (same) | 16 KB (same) |
| Data Memory (SRAM) | 2 KB | 2 KB (same) | 2 KB (same) | 2 KB (same) | 2 KB (same) |
| ADC | 10-bit, 24 channels | 10-bit, 24 channels - same | 10-bit, 24 channels - same | 10-bit, 24 channels - same | 10-bit, 24 channels - same |
| Operating Temperature Range | -40C to +125C (E grade) | -40C to +125C (E grade) - same | -40C to +85C (I grade, narrower) | -40C to +85C (I grade, narrower) | -40C to +125C (E grade) - same |
| AEC-Q100 Qualification | Yes | Yes - same | No (industrial only) | No (industrial only) | Yes - same |
Key Differentiators
- Integrated DSP engine with single-cycle MAC (vs PIC18F24K42-I/SS (PIC18 8-bit MCU))
- Higher MIPS ceiling on the same VTLA footprint (vs DSPIC33FJ16GS504T-I/TL (industrial, 40 MIPS))
- AEC-Q100 automotive grade at extended temperature (vs DSPIC33FJ16GS504T-I/TL (industrial grade))
Design Notes
The 44-pin VTLA package uses a 0.5 mm pitch and a 6x6 mm body with an exposed thermal pad beneath the IC. Route power and ground on inner planes and stitch the thermal pad to a continuous copper pour on both top and bottom layers with at least 8 thermal vias (0.3 mm drill, 0.5 mm pad) to keep junction-to-ambient thermal resistance low - critical when the part is delivering SMPS PWM outputs at high switching frequency into a power-MOSFET gate-drive stage.
SMPS designs are highly sensitive to ADC sampling jitter. The DSPIC33FJ16GS504T-E/TL SMPS ADC can be triggered synchronously to the PWM period, but only if the trigger routing is short and isolated from switching-node traces. Keep the ADC analog input traces routed over a continuous ground pour, away from PWM output traces and gate-drive loops, and add an RC anti-aliasing filter (typically 1 kohm + 100 pF) at each analog input to limit input bandwidth to half the ADC sampling rate.
The DSPIC33FJ16GS504T-E/TL operates from a single 3.0V to 3.6V VDD rail. Decouple VDD with a 10 uF bulk capacitor close to the package, plus a 100 nF ceramic on every VDD pin pair. The AVDD (analog supply) pin should be filtered through a ferrite bead or 10 ohm resistor from VDD, with its own 100 nF + 10 uF local decoupling, to keep switching-noise from corrupting the 10-bit ADC conversions - a 30 mV noise spike on AVDD translates to ~10 LSB of ADC error.
Do not skip the configuration of the JTAG/ICSP pins (PGECx/PGEDx) on this dsPIC33F family - leaving them floating can cause unintended entry into programming mode or reset. Either tie them to known states through 10 kohm pull-ups (MCLR) and 10 kohm pull-downs (PGECx/PGEDx), or follow Microchip's recommended debug-header footprint. Also remember that the "/TL" suffix denotes the VTLA package outline - ordering the same die in "/ML" or "/PT" requires a different PCB land pattern.
Compliance Information
AEC-Q100 qualified per the GlobalSpec datasheet listing (Automotive, AEC-Q100, dsPIC33F designation). RoHS compliant per Microchip product page. Halogen-free status not explicitly listed in provided data.
