DSPIC33FJ64GS610-E/PT - 16-bit 40MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.12 | $8.12 |
| 10 | $7.35 | $73.50 |
| 25 | $6.95 | $173.75 |
| 100 | $6.28 | $628.00 |
| 1,000 | $5.45 | $5,450.00 |
DSPIC33FJ64GS610-E/PT Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, a DSC sits at the top of the embedded control chain: it executes control-loop firmware that drives power stages such as PFC stages, DC-DC converters, and inverters, replacing discrete analog control loops with firmware-based compensation.
Key features include the high-speed PWM module purpose-built for switch-mode power supply (SMPS) control, a high-speed 10-bit ADC for simultaneous current- and voltage-loop sampling, and integrated analog comparators. The -E temperature grade (-40C to +125C) and AEC-Q100 association make it suitable for automotive-adjacent and harsh industrial environments, while 40 MIPS of 16-bit DSP throughput with hardware multiply supports fast current-loop execution.
The architecture targets multi-loop digital power conversion: the PWM and ADC modules are tightly coupled so that ADC triggers can be synchronized to PWM events, minimizing control-loop latency. Four DMA channels and boundary-scan (JTAG) debug capability round out the system integration.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), and solar inverters, where the high-speed PWM resolution directly improves converter efficiency and transient response.
Design consideration: this is a 3.3 V core part; ensure the 3.0-3.6 V supply range fits your power tree, and budget Flash/RAM headroom since 64 KB is fixed. Verify MSL handling for the TQFP package before reflow.
This page synthesizes distributor pricing, drop-in same-footprint alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GS610-E/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 DSPIC33FJ64GS610-E/PT (same form factor and footprint) — differing in Package, Comparators, Core Architecture, Program Memory, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610-50I/PT
✅ Drop-In✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ64GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GS610-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.6 / Unit
View Datasheet →DSPIC33FJ128GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-E/PT Specifications (manufacturer-published)
| Core Architecture | dsPIC 33F, 16-bit RISC with DSP engine |
| Maximum Clock / Performance | 40 MIPS |
| Flash Program Memory | 64 KB (64K x 8) |
| Data RAM | 9 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 100-TQFP (12 x 12 mm) |
| Terminal Pitch | 0.4 mm |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 family association |
| Specialized Peripherals | High-Speed PWM, High-Speed ADC, Comparators |
| DMA Channels | 4 |
| Debug / Test | Boundary scan (JTAG) |
| Target Applications | SMPS, AC-DC, DC-DC, PFC, UPS |
| RoHS Status | Lead-free, RoHS compliant package |
| Lifecycle Status | ACTIVE |
DSPIC33FJ64GS610-E/PT Interfaces & Connectors
DSPIC33FJ64GS610-E/PT exposes the following interfaces and connectors as published by the manufacturer: Power Input. Expansion header pinout, connector pin numbering, and electrical limits are defined in the manufacturer documentation.
| Power Input | 3.0 V to 3.6 V |
Refer to the manufacturer documentation for the full expansion header pinout and connector pin numbering.
Power & Thermal Characteristics
| Power Input | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
Power input and thermal parameters for DSPIC33FJ64GS610-E/PT as published by the manufacturer.
Typical Applications
DSPIC33FJ64GS610-E/PT is suitable for 6 applications: Power Factor Correction (PFC), AC-DC and DC-DC Converters, Uninterruptible Power Supplies (UPS), Solar Inverters and Renewable Energy Conversion, Automotive and Industrial Digital Power, Embedded SMPS Development and Prototyping.
Power Factor Correction (PFC)
The DSPIC33FJ64GS610-E/PT is a validated PFC controller: Microchip ships an Interleaved Power Factor Correction reference design built on this exact device, producing up to 350 W of regulated DC output from a universal AC input. The high-speed PWM module generates the boost-converter switching waveform with resolution adequate for current-shaping, while the high-speed ADC samples inductor current and bus voltage synchronized to PWM events, cutting control-loop latency versus free-running sampling. Placed in the controller position of a boost or interleaved boost stage, firmware implements average-current-mode compensation entirely in software, eliminating discrete error amplifiers. The -40C to +125C E grade supports power supplies in high-ambient enclosures, and 40 MIPS provides headroom for interleaved multi-phase loops running at switching frequencies in the hundreds of kilohertz range.
Recommended
AC-DC and DC-DC Converters
Digital AC-DC and DC-DC converters benefit directly from the GS610's integrated control assets. The 16-bit core at 40 MIPS executes voltage-mode or current-mode control loops with DSP-style MAC instructions, while the high-speed PWM peripheral provides complementary outputs, dead-time insertion, and fault trip inputs essential for half-bridge, full-bridge, and LLC topologies. The high-speed ADC digitizes output voltage and transformer current with PWM-synchronized triggering, so compensation is deterministic cycle to cycle. With 64 KB Flash, firmware can include soft-start, burst-mode standby, and PMBus-style telemetry without external logic. The -E temperature grade (-40C to +125C) suits sealed industrial supplies, and the 100-pin TQFP exposes enough PWM and analog channels for multi-output architectures on a single controller.
Recommended
Uninterruptible Power Supplies (UPS)
UPS systems need a controller that simultaneously manages an AC-DC charger, a DC-AC inverter, and transfer logic - a workload the DSPIC33FJ64GS610-E/PT handles with its multiple high-speed PWM channels and fast ADC. Per the Microchip product page, UPS is a named target application for the GS610 family. The 40 MIPS DSP core runs the inverter's sinusoidal current-control loop and the PFC front end concurrently under a real-time scheduler, while comparators provide hardware-level overcurrent shutdown independent of software latency. 64 KB Flash accommodates the combined state machines plus battery-management routines, and 4 DMA channels offload ADC result transfer to keep the CPU available for control. The extended -40C to +125C rating covers battery cabinets with wide ambient swings.
Recommended
Solar Inverters and Renewable Energy Conversion
Grid-tied solar micro-inverters and string-inverter power stages require precise, phase-managed PWM and rapid maximum-power-point tracking (MPPT), both natural fits for the DSPIC33FJ64GS610-E/PT. The high-speed PWM module drives the DC-DC boost and DC-AC unfolding or H-bridge stages with dead-time control, while the high-speed ADC samples PV voltage, PV current, and grid current on PWM-synchronized triggers so MPPT algorithms act on cycle-averaged values rather than noisy instantaneous samples. At 40 MIPS with hardware DSP multiply, perturb-and-observe or incremental-conductance MPPT plus grid-current compensation fit comfortably in the 40 MIPS budget, and 64 KB Flash stores grid-compliance firmware. The AEC-Q100-associated family and E temperature grade suit outdoor inverter environments.
Recommended
Automotive and Industrial Digital Power
The dsPIC33FJ64GS610 family is listed as 'Automotive, AEC-Q100' qualified by distributor data, and the -E/PT grade's -40C to +125C range makes it appropriate for automotive-adjacent and harsh industrial power conversion: onboard-charger prototypes, 48 V auxiliary DC-DC modules, motor-drive auxiliary supplies, and factory power systems. The 100-pin TQFP provides 21 I/O-port-class connectivity and multiple PWM outputs for driving multi-phase power stages, while boundary-scan (JTAG) supports manufacturing test on industrial PCB assemblies. Hardware comparators deliver sub-microsecond overcurrent protection critical in high-voltage conversion. Designers should verify formal AEC-Q100 certification grade and PPAP support with Microchip for production automotive programs, since distributor qualification labels summarize but do not replace the manufacturer's formal certificate.
Recommended
Embedded SMPS Development and Prototyping
For engineering teams prototyping digital power supplies, the DSPIC33FJ64GS610-E/PT is supported by a dedicated ecosystem: the MA330024 PIM mounts the 100-pin TQFP device on Microchip's Explorer 16 Development Board with PICtail Plus daughter boards, per the Microchip development-tool page. MPLAB X IDE with the XC16 compiler provides code development, and the device's boundary-scan and on-chip debug resources allow real-time control-loop tuning. Because the entire GS610 family (32 KB/64 KB/128 KB Flash variants) shares the identical 100-pin TQFP footprint, engineers can prototype on one Flash size and migrate up or down for production with zero PCB revision - a uniquely low-risk path from proof-of-concept to volume that discrete-analog or cross-vendor designs rarely offer.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-50I/PT | DSPIC33FJ64GS610-I/PT | DSPIC33FJ128GS610-E/PT | DSPIC33FJ32GS610-E/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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB |
| Core Performance | 40 MIPS | 50 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| 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 |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| High-Speed PWM / ADC / Comparators | Yes (SMPS peripheral set) | Yes | Yes | Yes | Yes |
| Qualification | Automotive, AEC-Q100 family association | Automotive, AEC-Q100 family association | Automotive, AEC-Q100 family association | Automotive, AEC-Q100 family association | Automotive, AEC-Q100 family association |
Key Differentiators
- Extended -40C to +125C operating range (vs DSPIC33FJ64GS610-50I/PT)
- Best Flash-per-cost balance in family (vs DSPIC33FJ128GS610-E/PT)
- Dual-loop-capable memory budget (vs DSPIC33FJ32GS610-E/PT)
- SMPS-optimized peripheral integration (vs DSPIC33FJ64GS610-I/PT)
Design Notes
The DSPIC33FJ64GS610-E/PT is a strict 3.0 V to 3.6 V part - there is no 5 V tolerance on the supply rail, so design a clean 3.3 V LDO or buck from your system rail and place 100 nF decoupling at every VDD/VSS pair plus bulk capacitance near the package. In SMPS applications, keep the controller's analog supply separated from the noisy power-stage supply with an RC filter or ferrite, since ADC accuracy of the high-speed converter directly determines control-loop quality. Verify that power-stage ground return currents do not cross the controller ground plane.
Do not assume drop-in compatibility across the GS610 family without checking temperature grade: the -I/PT variants stop at +85C while the -E/PT is rated to +125C. Also confirm the speed grade in firmware - the 50I variant runs at 50 MIPS and timing loops written for 40 MIPS will mis-schedule PWM events if ported blindly. When migrating from DSPIC33FJ64GS610-E/PT to DSPIC33FJ32GS610-E/PT, check Flash usage headroom first; bootloader plus control firmware can exceed 32 KB unexpectedly.
For the 0.4 mm pitch 100-TQFP, escape routing requires 4 mil trace/space or via-in-pad with filled vias on the inner rows. Keep the PWM output traces short and matched for complementary pairs to preserve dead-time accuracy, and route the PWM-synchronized ADC input traces away from the PWM lines to avoid capacitive coupling into the high-speed ADC sampling network. Use a solid unbroken ground plane under the controller and star-connect to the power-stage gate-driver ground at a single point to keep comparator-based fault detection noise-free.
Estimated: at 40 MIPS and typical VDD of 3.3 V, controller current draw is on the order of tens of milliamps, giving power dissipation well under 0.5 W - the TQFP package is thermally comfortable without heatsinking in most cases. The -E grade rating of +125C ambient leaves margin, but verify total thermal load including nearby gate drivers in sealed enclosures, and derate maximum clock if junction temperature approaches the limit in high-ambient automotive or UPS battery-cabinet deployments.
Compliance Information
Distributor listings (DigiKey, Hotenda) label the DSPIC33FJ64GS610 family as 'Automotive, AEC-Q100'. digchip lists the package as lead-free. REACH, halogen-free, and conflict-minerals status not stated in provided data - verify on the Microchip product page.
