DSPIC33FJ32GS610-50I/PT - 16-bit 50MIPS DSC 32KB | Microchip
MPN: DSPIC33FJ32GS610-50I/PT ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
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DSPIC33FJ32GS610-50I/PT Overview
A digital signal controller combines the deterministic control flow of a microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. In the power-management hierarchy, the dsPIC33F GS series sits at the application level, integrating dedicated digital power peripherals so a single chip can close high-frequency control loops that would otherwise require a separate MCU plus DSP. The GS family is purpose-built for switch-mode power conversion.
Key features include high-speed SMPS PWM modules with sub-nanosecond-adjacent resolution modes, a high-speed 10-bit ADC with simultaneous multi-channel sampling, multiple analog comparators, on-chip DAC outputs, and quadrature encoder interface (QEI) support. The findic summary lists 2 QEI modules, 4 comparators, and SMPS-class PWM, allclocked from an internal PLL that multiplies the external crystal to the full 50 MIPS core rate.
Architecturally, the device pairs the 16-bit dsPIC33F CPU with a dedicated DSP engine providing single-cycle MAC, dual operand fetch, and hardware modulo and bit-reversed addressing, enabling real-time execution of PID and compensator algorithms for peak-current-mode or voltage-mode power supplies. Self-programming Flash supports field firmware updates.
Typical applications include interleaved power factor correction (Microchip publishes an interleaved PFC reference design for this exact family), digital AC-DC and DC-DC power supplies, uninterruptible power supplies, solar micro-inverters, and battery chargers where high-resolution PWM and fast ADC sampling are mandatory.
When designing with this part, budget the analog peripherals carefully: the SMPS ADC triggers are PWM-synchronized, so map high-priority current-sense channels to the earliest sample slots to guarantee loop latency. Verify that 32 KB Flash accommodates control plus communication code before committing to the smaller memory option in the family.
This page synthesizes distributor inventory data, drop-in same-footprint family alternatives, and practical digital-power design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GS610-50I/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 DSPIC33FJ32GS610-50I/PT (same form factor and footprint) — differing in Package, RAM, RoHS Status, Supply Voltage, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ32GS610-50E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-20I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit |
| Product Type | Digital Signal Controller (DSC) |
| Performance | 50 MIPS |
| Program Memory | 32 KB (32K x 8) Flash |
| RAM | 4 KB |
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 100-TQFP (12x12 mm) |
| Pin Count | 100 |
| Mounting Type | Surface Mount |
| Special Peripherals | SMPS PWM, ADC, Comparators, DAC, QEI |
| Comparators | 4 |
| QEI Modules | 2 |
| Packaging | Tube |
| Factory Pack Quantity | 40 |
| Processor Series | dsPIC33F |
| RoHS Status | Compliant (details per Microchip product page) |
DSPIC33FJ32GS610-50I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS610-50I/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 DSPIC33FJ32GS610-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS610-50I/PT is suitable for 6 applications: Interleaved Power Factor Correction (PFC), Digital AC-DC and DC-DC Power Supplies, Uninterruptible Power Supplies (UPS), Solar Micro-Inverters, Battery Chargers and Battery Management, Industrial Motor Drives and Motion Control.
Interleaved Power Factor Correction (PFC)
The DSPIC33FJ32GS610-50I/PT fits interleaved PFC directly because Microchip publishes a dedicated interleaved PFC reference design for this controller family. Its SMPS-class PWM modules generate phase-shifted converter drive signals with high duty-cycle resolution, while the fast ADC samples inductor current synchronized to PWM triggers, keeping loop latency deterministic at 50 MIPS. The 4 on-chip comparators can abort PWM cycles in hardware on overcurrent events, eliminating software-in-the-loop safety delay. Placed as the single supervisory controller, it closes the voltage outer loop in firmware and the current inner loop with minimal CPU loading, and the 32 KB Flash holds PFC control plus housekeeping and communication code with margin.
Recommended
Digital AC-DC and DC-DC Power Supplies
For digitally controlled AC-DC and DC-DC converters, the DSPIC33FJ32GS610-50I/PT provides the high-speed SMPS PWM peripherals whose duty cycle and dead-time are updated with PWM-cycle granularity - essential for peak-current-mode buck, boost, and LLC topologies. The high-speed 10-bit ADC, triggered directly by the PWM module, captures current and voltage feedback at the optimal instant within each switching cycle, and the 4 comparators provide hardware cycle-by-cycle current limiting. The DSP engine executes single-cycle MAC instructions, so a PID or type-III compensator runs in a few microseconds at 50 MIPS, leaving headroom for telemetry, I2C/SMBus PMBus-style communication, and fault logging in the 32 KB Flash.
Recommended
Uninterruptible Power Supplies (UPS)
In online double-conversion UPS designs, the DSPIC33FJ32GS610-50I/PT simultaneously controls the AC-DC rectifier stage and the DC-AC inverter stage. The 100-pin TQFP exposes enough PWM channels to drive both stages plus auxiliary converters, and the 50 MIPS DSP core executes the inverter's sinusoidal current-regulation loop in real time. The high-resolution PWM minimizes output distortion, the fast ADC synchronizes sampling to both converter stages, and the 2 QEI interfaces support rotary encoder feedback in rotary UPS variants. Its industrial -40C to +85C rating suits telecom outdoor cabinets, and the 32 KB self-programmable Flash permits field firmware updates for grid-code compliance changes without hardware rework.
Recommended
Solar Micro-Inverters
Solar micro-inverter control demands simultaneous MPPT execution, grid-synchronized current injection, and rapid anti-islanding detection - all native strengths of the GS series. The DSPIC33FJ32GS610-50I/PT runs the MPPT algorithm on its DSP engine while its SMPS PWM drives the DC-DC stage and a second PWM group handles the grid-tie inverter stage synchronized to the zero-crossing of the utility voltage measured by the ADC. Hardware comparators implement overcurrent and grid-fault cutoffs in silicon, meeting response-time requirements without firmware dependence. The 32 KB Flash accommodates MPPT, PLL grid-synchronization, and safety-compliance state machines, and the industrial temperature range covers rooftop enclosures that routinely exceed +70C ambient.
Recommended
Battery Chargers and Battery Management
Multi chemistry battery chargers benefit from the DSPIC33FJ32GS610-50I/PT's combination of high-resolution PWM charging control, multi-channel ADC supervision of cell voltages and temperatures, and comparators for fast fault cutoff. The controller executes CC/CV charging profiles, coulomb counting, and termination logic at 50 MIPS while the SMPS PWM stage regulates the charging converter with cycle-synchronized current sampling, reducing ripple-induced measurement error. The 100-pin package provides ample GPIO and communication peripherals (UART, SPI, I2C) for pack telemetry, display, and host interfacing. Its 32 KB Flash stores multiple chemistry profiles selected at runtime, making one hardware design cover Li-ion, lead-acid, and NiMH products.
Recommended
Industrial Motor Drives and Motion Control
Although optimized for digital power, the DSPIC33FJ32GS610-50I/PT also serves motor-drive applications thanks to its 2 QEI (quadrature encoder interface) modules, PWM outputs with dead-time control, and DSP core for field-oriented control (FOC) mathematics. Servo drives, DC brushless blowers, and small three-phase industrial drives can use one controller to close the current loop from encoder and shunt feedback sampled by the high-speed ADC, while the 4 comparators provide hardware overcurrent protection. The 50 MIPS rate supports FOC update frequencies well above the electrical frequencies of typical industrial motors, and the industrial temperature grade plus RoHS-compliant TQFP suit factory automation environments and standard SMT assembly processes.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS610-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-50I/PF | DSPIC33FJ128GS610-50I/PF | DSPIC33FJ32GS610-50I/PF | DSPIC33FJ32GS610-50E/PT | DSPIC33FJ32GS610-20I/PT |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 50 MIPS | 50 MIPS | 50 MIPS | 50 MIPS | 50 MIPS | 20 MIPS |
| Flash Memory | 32 KB | 64 KB | 128 KB | 32 KB | 32 KB | 32 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| SMPS Digital Power Peripherals | SMPS PWM + high-speed ADC + 4 comparators + DAC + 2 QEI | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
Key Differentiators
- Purpose-built SMPS digital power peripherals (vs DSPIC33FJ256GP510T-I/PT)
- Headroom upgrade path on an identical footprint (vs DSPIC33FJ64GS610-50I/PF)
- Industrial temperature at standard pricing (vs DSPIC33FJ32GS610-50E/PT)
Design Notes
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of each VDD/VSS pin pair, plus one bulk 4.7 uF to 10 uF capacitor per power domain. The dsPIC33FJ GS series generates its core voltage via an internal regulator that requires an external capacitor on the VCAP pin - use the value specified in the family datasheet and never load the VCAP node externally. When the same 3.3 V rail powers ADC reference circuitry, add an LC filter or ferrite bead between the digital supply entry and AVDD to preserve analog accuracy.
For digital power layouts, keep the PWM output traces to gate drivers short and away from ADC sense lines, since GS-series PWM edges drive high di/dt into MOSFET gates. Route current-shunt sense lines as Kelvin connections directly to the ADC channel pins and ground-referenced near the shunt. The 12x12 mm TQFP has a 0.5 mm pin pitch; use a solder-mask-defined footprint per IPC guidance and verify with the Microchip TQFP footprint drawing. Reserve a programming header (ICSP: MCLR, PGD, PGC) even in production boards for firmware updates.
Do not assume pin-compatibility across the GS family by memory suffix alone: GS608 parts use an 80-pin package and cannot replace the 100-pin GS610 on the same board. Confirm code size against 32 KB Flash early - adding a protocol stack plus control firmware can exceed capacity, in which case move to the pin-identical 64 KB or 128 KB variant. The ADC fastest conversions require configuration of the SMPS ADC trigger source; default general-purpose ADC settings will not deliver the sampling rate digital-power loops expect. Consult the family datasheet and Microchip's digital power firmware libraries before finalizing peripheral allocation.
Compliance Information
RoHS compliance indicated via Microchip product data referenced by digchips.com. REACH, halogen-free, lead-free finish detail, and conflict minerals status not stated in verified data - consult Microchip's official environmental compliance documentation.
