DSPIC33FJ64GS610-I/P - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.45 | $74.50 |
| 100 | $6.6 | $660.00 |
| 500 | $5.9 | $2,950.00 |
| 1,000 | $5.3 | $5,300.00 |
DSPIC33FJ64GS610-I/P Overview
A Digital Signal Controller combines the compute throughput of a DSP engine with the peripheral integration and deterministic control of a microcontroller. Within the power-management semiconductor hierarchy, a DSC sits above a general-purpose MCU for closed-loop control tasks and below a full application processor, occupying the sweet spot for real-time switch-mode power supply (SMPS) control loops that require fast, cycle-accurate PWM and ADC interaction.
Key features include a dedicated high-speed PWM module with complementary outputs and dead-time control, a high-speed 10/12-bit ADC, and integrated analog comparators - the exact peripheral trio required for voltage-mode, current-mode, and multi-loop digital power conversion. The device also provides In-Circuit Serial Programming (ICSP), in-application programming, two program and two complex data breakpoints, and IEEE 1149.2-compatible (JTAG) boundary scan for production test.
Architecturally, the dsPIC33FJ GS family couples a 16-bit modified Harvard core with DSP multiply-accumulate instructions, allowing single-cycle MAC operations for filter and control-law computation. Industrial operating temperature (-40C to +85C) and a CMOS process support demanding embedded environments.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), and solar/LED power systems where deterministic multi-loop control is mandatory.
For design, place the ICSP connector traces (PGECx/PGEDx) as short as possible, per the Microchip datasheet, and pair any PWM/ADC pin usage with proper analog grounding around the comparators.
This page adds value beyond the manufacturer datasheet by synthesizing distributor availability data, same-package drop-in alternatives, practical design notes, and pricing context in one citable reference.
Drop-in alternatives for DSPIC33FJ64GS610-I/P — 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-I/P (same form factor and footprint) — differing in RAM, Package, Core Architecture, Packaging, Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-50I/PT
✅ Drop-In✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ32GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ64GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit DSC (MCU+DSP) |
| Maximum Clock / Instruction Rate | 40 MIPS |
| Program Memory (Flash) | 64 KB |
| RAM | 9216 words |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 100-pin TQFP, 14x14 mm |
| Terminal Pitch | 0.4 mm |
| Mounting Type | Surface Mount |
| I/O Ports | 21 |
| High-Speed PWM | Yes (dedicated SMPS PWM module) |
| Analog Comparators | Yes (integrated) |
| ADC | High-speed ADC (on-chip) |
| Debug / Test | IEEE 1149.2 (JTAG) boundary scan, 2 program + 2 complex data breakpoints |
| Programming | ICSP and in-application programming |
| Process Technology | CMOS |
| Target Applications | Digital SMPS: AC-DC, DC-DC, PFC, UPS |
DSPIC33FJ64GS610-I/P 100-pin tqfp, 14x14 mm Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS610-I/P (100-pin tqfp, 14x14 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 DSPIC33FJ64GS610-I/P.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS610-I/P is suitable for 6 applications: AC-DC Converters, DC-DC Converters, Power Factor Correction (PFC), Uninterruptible Power Supplies (UPS), Solar Inverters and Battery Chargers, Digital Lighting and LED Drivers.
AC-DC Converters
In offline AC-DC power supplies, the DSPIC33FJ64GS610-I/P closes the voltage and current feedback loops digitally. Its high-speed PWM module generates phase-shifted or complementary drive signals with programmable dead time, while the fast ADC samples the output voltage and input current synchronously with the PWM period. According to the Microchip product page, AC-DC conversion is a headline application for the GS family. Running at 40 MIPS, the core executes PI control laws and protection routines within a single switching cycle at typical 65-500 kHz frequencies. Integrated comparators provide cycle-by-cycle overcurrent protection without CPU intervention, improving fault response to sub-microsecond levels.
Recommended
DC-DC Converters
For high-density DC-DC bricks and point-of-load converters, the DSPIC33FJ64GS610-I/P replaces analog PWM controllers with firmware-configurable control. The dedicated SMPS PWM supports phase shifting, current sharing, and burst mode, while the high-speed ADC provides trigger-synchronized sampling that eliminates switching-noise aliasing. Its 9216-word RAM and DSP MAC instructions support digital compensator implementations (type-III, PID) with coefficient updates at runtime. Because the 100-pin TQFP offers 21 I/O ports, one DSC can manage multiple interleaved phases or multiple independent outputs. Digital control enables adaptive tuning, telemetry, and fault logging that analog controllers cannot offer, at the cost of firmware development effort and loop-bandwidth attention.
Recommended
Power Factor Correction (PFC)
The DSPIC33FJ64GS610-I/P is a validated PFC controller: Microchip publishes an Interleaved Power Factor Correction reference design based directly on this device. In a boost-PFC stage, the DSC samples rectified line voltage and inductor current each switching cycle, computes the current command from the voltage loop, and updates PWM duty - a task its 40 MIPS core and fast ADC handle comfortably. The integrated comparators enable instantaneous overcurrent shutdown. Interleaved two-phase PFC benefits from the multi-channel high-speed PWM, which maintains fixed phase offsets automatically. Digital implementation further allows frequency dithering for EMI reduction and light-load mode changes that improve standby efficiency compliance with modern energy regulations.
Recommended
Uninterruptible Power Supplies (UPS)
Line-interactive and online double-conversion UPS systems require simultaneous control of an AC-DC rectifier, DC-DC boost, and DC-AC inverter - exactly the multi-loop, multi-PWM scenario the DSPIC33FJ64GS610-I/P was designed for. The Microchip product page explicitly lists UPS among target applications. Its 21 I/O ports and multiple PWM generators allow one DSC to manage inverter half-bridges with dead-time insertion while a second PWM group handles the battery charger. The fast ADC reads battery voltage, bus voltage, and output current synchronously, and the 64 KB Flash stores extensive fault-logging and state-machine code. IEEE 1149.2 (JTAG) boundary scan supports production test of densely packed UPS control boards.
Recommended
Solar Inverters and Battery Chargers
Grid-tied micro-inverters, solar charge controllers, and high-power battery chargers need MPPT algorithms running atop tightly regulated conversion stages. The DSPIC33FJ64GS610-I/P executes perturb-and-observe or incremental-conductance MPPT in firmware while its high-speed PWM and ADC maintain current-mode regulation of the boost or LLC stage. The DSP MAC engine accelerates the filtering and multiplication operations MPPT requires each cycle. Its 3.0V-3.6V supply simplifies housekeeping power design, and the industrial -40C to +85C temperature rating matches outdoor installation requirements. Cycle-by-cycle current limiting via the on-chip comparators protects MOSFETs during panel transients, and in-application programming permits field firmware updates without desoldering the controller.
Recommended
Digital Lighting and LED Drivers
High-power LED drivers and digital ballasts benefit from the DSPIC33FJ64GS610-I/P's combination of resonant/phase-shift PWM control, fast analog comparators, and low-cost digital dimming interfaces. The high-speed PWM supports frequency modulation and phase-shift topologies used in LLC-based LED drivers, while firmware dimming curves and multi-string current balancing are implemented digitally. Synchronous ADC sampling captures LED string current at the correct point in the switching cycle, avoiding noise-induced flicker. Running at 40 MIPS leaves ample budget for DALI or DMX protocol handling on the same chip. The 100-pin TQFP suits driver boards controlling several channels; smaller boards can adopt the pin-compatible-in-function 64-pin GS606 variant with minimal firmware change.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-I/PT | DSPIC33FJ64GS610-50I/PT | DSPIC33FJ32GS610-I/PT | DSPIC33FJ32GS610-50I/PT | DSPIC33FJ64GS610-50I/PF |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance (Instruction Rate) | 40 MIPS | 40 MIPS | 50 MIPS | 40 MIPS | 50 MIPS | 50 MIPS |
| Flash Program Memory | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB | 64 KB |
| 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 | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging / Delivery | Tray (/P) | Tape & Reel (/PT) | Tape & Reel (/PT) | Tape & Reel (/PT) | Tape & Reel (/PT) | Tray (/PF) |
Key Differentiators
- Dedicated SMPS peripheral set, not generic MCU (vs DSPIC33FJ64GP708A-I/PT)
- Cost-optimizable pinout path (vs DSPIC33FJ64GS606)
- Speed-grade headroom without PCB change (vs DSPIC33FJ64GS610-50I/PT)
Design Notes
Route the ICSP programming traces (PGECx/PGEDx) as short as possible between the programming connector and the device. According to Microchip datasheet 70000591f, long ICSP traces are a documented cause of production programming failures. Use any of the multiple PGECx/PGEDx pairs, but always as a matched pair (e.g., PGEC2 with PGED2). Add a 100-ohm series resistor on ICSPCLK and keep MCLR pull-up per the programming specification.
Supply the DSC from a clean 3.3V rail within the 3.0V-3.6V datasheet window. Decouple each VDD pin with 0.1 uF ceramics placed within 2 mm of the pin, plus one bulk 10 uF per rail region. In SMPS environments the controller often shares a board with high dV/dt power stages - separate the analog ground region under the ADC/comparator inputs from the power ground and join at a single point to prevent switching noise corrupting feedback samples.
When migrating between 64 KB and 32 KB GS610 variants, verify that the linker script, bootloader partition, and any Flash-data storage fit the smaller memory before qualifying DSPIC33FJ32GS610 as a replacement - a 64 KB firmware with data logging will not fit. Likewise, code written at the 40 MIPS ceiling must be re-budgeted if moving to a 50 MIPS part ( timings shrink by 20% ). Always confirm configuration-word settings for the PWM module when switching speed grades.
Compliance Information
The lead-free /P/PT/PF suffix convention (Microchip) indicates lead-free finish; other compliance statuses not stated in the provided web data - verify on the Microchip product page or request the product compliance letter.
