DSPIC33FJ64GS610T-50I/PT - 16-bit 50MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610T-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.92 | $89.20 |
| 100 | $7.95 | $795.00 |
| 500 | $7.2 | $3,600.00 |
| 1,000 | $6.65 | $6,650.00 |
DSPIC33FJ64GS610T-50I/PT Overview
A digital signal controller combines the compute throughput of a DSP engine (single-cycle MAC, DSP multiply, hardware divide support) with the deterministic control peripherals of a microcontroller. Within the power-management hierarchy, the dsPIC33FJ64GS610 belongs to Microchip's SMPS-focused family: DSC -> digital signal controller -> 16-bit MCU -> embedded processor, purpose-built to close multi-loop digital control of switch-mode power supplies in software.
Key features include a high-speed PWM module with complementary outputs, dead-time insertion and fault protection, a high-speed 10-bit ADC with multiple sample-and-hold circuits able to trigger from the PWM, four analog comparators, two QEI (quadrature encoder interface) modules, a CAN 2.0B controller, and on-chip DAC outputs. These peripherals map directly onto PFC stage, phase-current, and bus-voltage sensing with minimal external circuitry.
Architecturally, the 16-bit pipelined core executes C-efficient code with DSP instructions, while the ADC-PWM loop timing in the low hundreds of nanoseconds enables high-bandwidth current-mode control for LLC, half-bridge, and interleaved topologies. Internal fast RC oscillators and PLL allow 50 MIPS operation without an external crystal in cost-sensitive designs.
Typical applications include AC-DC converters, DC-DC converters, power factor correction, uninterruptible power supplies, solar inverters, and digital lighting ballasts, where the integrated SMPS peripherals replace discrete analog control loops.
Design consideration: the ADC sampling window and PWM dead-time registers must be co-scheduled; use the datasheet trigger scheme to avoid sampling during switching transients.
This page synthesizes verified distributor data, drop-in alternatives, and design guidance not found on a single manufacturer or distributor page.
Drop-in alternatives for DSPIC33FJ64GS610T-50I/PT — 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 DSPIC33FJ64GS610T-50I/PT (same form factor and footprint) — differing in Packaging, Package, Operating Temperature, Supply Voltage, RAM.
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DSPIC33FJ64GS610-50I/PT
✅ Drop-In✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ64GS610T-50I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256GP510T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ64GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610T-50I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit DSC |
| Max CPU Speed | 50 MIPS |
| Program Memory (Flash) | 64KB (64K x 8) |
| RAM | 9KB |
| Supply Voltage | 3.0 V to 3.6 V (3.3 V typical) |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| PWM Module | High-speed SMPS PWM with complementary outputs and dead-time control |
| ADC | High-speed 10-bit ADC, PWM-triggered |
| Comparators | 4 |
| Quadrature Encoder Interfaces | 2 (QEI) |
| CAN | CAN 2.0B controller |
| DAC | On-chip DAC outputs |
| Packaging | Tape and Reel (T suffix) |
| RoHS Status | Compliant |
| Target Applications | SMPS, AC-DC, DC-DC, PFC, UPS, digital power conversion |
DSPIC33FJ64GS610T-50I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS610T-50I/PT (100-tqfp (12x12 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 DSPIC33FJ64GS610T-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS610T-50I/PT is suitable for 6 applications: AC-DC Power Supplies, Power Factor Correction (PFC), DC-DC Converters (LLC / Half-Bridge), Uninterruptible Power Supplies (UPS), Solar Inverters / Renewable Energy Conversion, Industrial Motor Drives with Power Front Ends.
AC-DC Power Supplies
In AC-DC converter designs, the DSPIC33FJ64GS610T-50I/PT closes both the PFC and secondary control loops digitally. Its high-speed 10-bit ADC can be triggered synchronously from the PWM at mid-points of switching intervals, avoiding sampling during switching noise, while complementary PWM outputs with programmable dead-time drive half-bridge or flyback stages directly. The 50 MIPS core executes current-mode inner loops at tens of kHz bandwidth with C-coded PID or 3P3Z compensators, and the CAN module reports telemetry to a system controller. Compared to analog controllers, the digital approach enables adaptive compensation across load ranges and eliminates external compensation-network components.
Recommended
Power Factor Correction (PFC)
For PFC stages, including the Microchip Interleaved PFC reference design that delivers up to 350W from universal AC input, this DSC provides the average-current-mode loop with PWM-triggered ADC sampling of inductor current and bus voltage. The 4 on-chip comparators support cycle-by-cycle overcurrent protection without external comparators, and the high-resolution PWM phase control enables interleaved two-phase operation to reduce input ripple current. Firmware can adapt loop gain across the universal input range (85-265 VAC), maintaining THD and power factor under light load - benefits analog PFC controllers cannot match without hardware redesign.
Recommended
DC-DC Converters (LLC / Half-Bridge)
The GS family PWM supports variable-frequency operation with complementary outputs and dead-time insertion, the core requirements for LLC resonant and phase-shifted half-bridge converters. The 50 MIPS throughput sustains fast voltage-mode or current-mode outer loops, while the high-speed ADC captures resonant-tank currents at PWM-synchronized instants. On-chip DACs set comparator reference thresholds for burst-mode and protection thresholds digitally. Operating from a single 3.3V rail simplifies bias generation in 48V telecom brick and server-power subassemblies, and fault inputs enable nanosecond-scale PWM shutdown on overcurrent events.
Recommended
Uninterruptible Power Supplies (UPS)
Line-interactive and online double-conversion UPS architectures require simultaneous inverter control, battery-charger regulation, and transfer-logic management - all handled by this single 100-pin DSC. The 2 QEI modules are repurposed for rotor-position sensing in engine-generator hybrids, while the CAN 2.0B controller implements UPS network protocols for status reporting. The high-speed PWM drives the inverter bridge with sinusoidal current shaping, and multiple ADC sample-and-hold channels measure inverter output, battery voltage, and mains waveform concurrently. Digital control enables seamless mode transitions and adaptive battery-charging profiles in firmware.
Recommended
Solar Inverters / Renewable Energy Conversion
In solar micro-inverters and string-inverter subassemblies, the DSPIC33FJ64GS610T-50I/PT executes MPPT algorithms on the 50 MIPS core while its SMPS PWM and PWM-triggered ADC control the boost and grid-tie inverter stages. The on-chip comparators provide hardware-based anti-islanding and overcurrent protection paths that operate even if firmware stalls. Grid-current THD targets are met with high-resolution PWM phase control, and the CAN or UART interfaces feed production data to monitoring gateways. Firmware-updatable MPPT profiles allow the same hardware to serve different panel technologies across product lines.
Recommended
Industrial Motor Drives with Power Front Ends
Servo and industrial drives combine a digital power front end (PFC plus DC bus) with motor control; this DSC covers both on one chip. The 2 QEI modules interface to incremental encoders for rotor position, the complementary PWM with dead-time drives the inverter bridge, and 4 comparators implement hardware overcurrent latching. The 100-pin package supplies enough parallel and serial I/O for safety interlocks and industrial networking. Using one DSC for PFC and motor loops reduces BOM count and eliminates inter-processor bus latency, improving transient response under sudden load steps in robotics and factory automation axes.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610T-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-50I/PT | DSPIC33FJ64GS610T-50I/PF | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ256MC510T-I/PF |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 50 MIPS | 50 MIPS | 50 MIPS | 30 MIPS | 40 MIPS |
| Flash Memory | 64KB | 64KB | 64KB | 256KB | 256KB |
| RAM | 9KB | 9KB | 9KB | 30KB | 30KB |
| SMPS-Optimized Peripherals | Yes (SMPS PWM, high-speed ADC, 4 comparators, 2 QEI, CAN, DAC) | Yes - identical set | Yes - identical set | No - general-purpose GP peripherals | Partial - MC motor-control peripherals |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Option | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- SMPS-optimized peripheral set in same footprint (vs DSPIC33FJ256GP510T-I/PT)
- Higher performance clock (vs DSPIC33FJ256GP510T-I/PT)
- Extended temperature upgrade path (vs DSPIC33FJ64GS610-50I/PT (tube))
Design Notes
Synchronize the high-speed 10-bit ADC sampling to the PWM module triggers rather than free-running the ADC. Sampling mid-way through the PWM off-time avoids capturing switching-node transients and current-sensor ringing, which otherwise corrupts current-loop feedback in PFC and LLC topologies. Route the current-sense differential pair close to the shunt and use the ADC's sample-and-hold configuration for simultaneous multi-channel capture of inductor current and bus voltage per the family reference manual's SMPS trigger scheme.
Decouple each VDD/VSS pair with 100 nF ceramic capacitors placed within 2 mm of the pins, plus one bulk 10 uF capacitor near the package. The 50 MIPS core switching activity on a 3.3V rail creates supply noise that directly degrades ADC accuracy; Microchip application guidance for the GS family recommends a solid ground plane under the 100-TQFP with short, wide vias. Avoid sharing the analog AVDD rail with PWM driver logic - use an RC or ferrite filter to feed AVDD from VDD.
Do not confuse the -50I (industrial, -40C to +85C) and -E (extended, to +125C) grade suffixes when qualifying builds: they share the same die and footprint, so a PCB qualified with the E-grade part cannot assume I-grade derating behavior at high ambient. Also confirm the land pattern body size before substituting /PF (14x14 mm) for /PT (12x12 mm) variants - the pinouts match but footprints differ by 2 mm per side. Program configuration fuses (OSC, watchdog, PWM fault polarity) deliberately; defaults may leave fault inputs disabled.
Compliance Information
RoHS compliance and lead-free status indicated by Microchip/distributor listings (digchip, DigiKey). REACH, halogen-free and conflict-minerals declarations not stated in the provided data - obtain certificate of conformance from Microchip.
