DSPIC33FJ64GS606-50I/PT - 16-bit DSC 50MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GS606-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.18 | $12.18 |
| 10 | $11.4 | $114.00 |
| 100 | $10.6 | $1,060.00 |
| 500 | $9.9 | $4,950.00 |
| 1,000 | $9.2 | $9,200.00 |
DSPIC33FJ64GS606-50I/PT Overview
A Digital Signal Controller combines the computational architecture of a digital signal processor (DSP) - including a barrel shifter, multiply-accumulate (MAC) hardware, and multiple internal buses - with the peripheral integration and control flexibility of a microcontroller (MCU). The dsPIC33F family from Microchip sits within the broader 16-bit microcontroller hierarchy and is purpose-built for embedded control tasks that also require fast mathematical processing, such as digital power conversion and motor control.
Key differentiating features of the DSPIC33FJ64GS606 include a high-speed PWM module purpose-designed for switch-mode power supplies (SMPS), a high-speed on-chip ADC for simultaneous sampling of multiple channels, and integrated analog comparators - a combination that allows a single chip to close digital control loops for power converters. The device also integrates 4 DMA channels and 7 timers, offloading data movement from the CPU core.
Architecturally, the dsPIC33F core supports boundary scan (JTAG) for board-level test, multiple low-power modes, and In-Circuit Serial Programming (ICSP) via the PGECx/PGEDx pins, simplifying field upgrades and debugging with tools such as the MPLAB ecosystem.
Typical applications include digital power supplies, interleaved power factor correction (PFC) stages - for which Microchip provides a dedicated reference design - uninterruptible power supplies (UPS), battery chargers, and embedded motor control.
When designing with this device, keep ICSP programming trace lengths short and budget the 3.0 V to 3.6 V supply rail carefully for the analog peripherals.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GS606-50I/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 DSPIC33FJ64GS606-50I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Comparators, Packaging, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS608-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.38 / Unit
View Datasheet →DSPIC33FJ32GS608-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.35 / Unit
View Datasheet →DSPIC33FJ32GS606-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.15 / Unit
View Datasheet →DSPIC33FJ64GS606-50E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256GP506AT-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC33FJ64GS606-50I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit |
| Product Type | Digital Signal Controller (DSC) |
| Maximum Clock / Performance | 50 MIPS (50 MHz) |
| Program Memory (Flash) | 64 KB |
| RAM | 9 KB (9216 words) |
| DMA Channels | 4 |
| Timers | 7 |
| Special Peripherals | High-Speed PWM, High-Speed ADC, Comparators |
| Architecture Features | Barrel shifter, multiple internal buses, boundary scan |
| Programming Interface | ICSP via PGECx/PGEDx pins |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Package | 64-pin TQFP (10x10x1 mm), S-PQFP-G64 |
| Mounting Type | Surface Mount |
| Packaging | Tube (tray), factory pack quantity 40 |
| RoHS Status | Compliant |
DSPIC33FJ64GS606-50I/PT 64-pin tqfp (10x10x1 mm), s-pqfp-g64 Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS606-50I/PT (64-pin tqfp (10x10x1 mm), s-pqfp-g64 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 DSPIC33FJ64GS606-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS606-50I/PT is suitable for 6 applications: Digital Switch-Mode Power Supplies (SMPS), Interleaved Power Factor Correction (PFC), Uninterruptible Power Supplies (UPS), Battery Chargers and Solar Charge Controllers, Embedded Motor Control, Industrial Control and Instrumentation.
Digital Switch-Mode Power Supplies (SMPS)
The DSPIC33FJ64GS606-50I/PT is purpose-built for digitally controlled switch-mode power supplies. Its high-speed PWM module generates the switching waveforms while the high-speed ADC samples output voltage and current feedback fast enough to close control loops at tens to hundreds of kHz switching frequencies. The 50 MIPS 16-bit DSP core with barrel shifter executes the compensator mathematics deterministically, and the 9 KB RAM buffers sampled data via 4 DMA channels without CPU load. Integrated comparators support cycle-by-cycle overcurrent protection independent of software latency. The 64-pin TQFP provides enough PWM outputs and analog inputs for multi-phase and multi-rail converter designs in a compact 10x10 mm footprint.
Recommended
Interleaved Power Factor Correction (PFC)
Microchip provides a dedicated reference design for interleaved Power Factor Correction built on the dsPIC33FJ64GS606 family, making this part a validated choice for PFC front-ends in AC-DC power supplies and server power stages. The high-speed PWM generates interleaved, phase-shifted switching commands that reduce input current ripple, while the high-speed ADC synchronously samples inductor current and bus voltage each switching cycle. The DSP core implements average-current-mode PFC control mathematics at 50 MIPS with headroom to spare. On-chip comparators provide hardware overcurrent shutdown, and the industrial -40C to +85C rating suits telecom rectifier and industrial PSU environments.
Recommended
Uninterruptible Power Supplies (UPS)
Online and line-interactive UPS designs require simultaneous control of an inverter, a PFC front end, and a battery charger - a workload matched to the DSPIC33FJ64GS606-50I/PT peripheral set. The multiple high-speed PWM outputs drive inverter legs and converter stages, the high-speed ADC samples multi-channel analog feedback with the on-chip comparators providing fast fault protection, and the 7 timers manage synchronization and housekeeping tasks. The 50 MIPS DSP core handles sinusoidal reference generation and control-loop compensation concurrently. The 64-pin TQFP offers sufficient I/O for relay control, status signaling, and communication interfaces in a single controller.
Recommended
Battery Chargers and Solar Charge Controllers
Multi-stage battery charging (CC/CV/trickle) and MPPT solar charge controllers benefit from the DSPIC33FJ64GS606-50I/PT combination of high-speed PWM, high-resolution ADC sampling of voltage/current feedback, and DSP throughput for MPPT search algorithms. The 50 MIPS core executes perturb-and-observe or incremental-conductance MPPT loops while the hardware PWM maintains synchronous buck or boost conversion with cycle-by-cycle current limiting via the analog comparators. Industrial temperature rating suits outdoor and vehicle-mounted installations, and the 9 KB RAM plus 4 DMA channels support data logging of charge history without external memory traffic.
Recommended
Embedded Motor Control
The dsPIC33F DSP core with barrel shifter and MAC-class throughput executes field-oriented control (FOC) and sensorless observer algorithms for BLDC, PMSM, and ACIM motors. The DSPIC33FJ64GS606-50I/PT drives three-phase inverters through its high-speed PWM outputs with dead-time control, samples phase currents via the high-speed ADC, and uses on-chip comparators for hardware overcurrent protection. The 7 timers handle rotor-position estimation timing and commutation scheduling. The 64-pin TQFP leaves ample I/O for encoder or Hall inputs, serial communication, and fault signaling, consolidating complete drive control in one 16-bit DSC.
Recommended
Industrial Control and Instrumentation
General industrial controllers, power analyzers, and programmable logic nodes use the DSPIC33FJ64GS606-50I/PT where 16-bit MCU peripherals meet DSP math capability. The 64 KB Flash accommodates substantial application firmware and communication stacks, boundary scan (JTAG) supports production board test, and ICSP programming via the PGECx/PGEDx pins enables in-field firmware updates with short trace routing per the datasheet recommendation. Low-power modes suit always-on monitoring nodes, and the -40C to +85C industrial rating covers factory-floor and outdoor cabinet environments. The high-speed ADC supports precision measurement front ends.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS606-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS608-50I/PT | DSPIC33FJ32GS608-50I/PT | DSPIC33FJ32GS606-50I/PT | DSPIC33FJ64GS606-50E/PT | DSPIC33FJ256GP506AT-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same | TQFP-64 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 32 KB | 32 KB | 64 KB | 256 KB |
| High-Speed PWM (SMPS-optimized) | Yes | Yes | Yes | Yes | Yes | No (standard motor-control PWM) |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | Extended (E grade) - wider than Industrial | -40C to +85C (Industrial) |
| Lifecycle Status | In Production | In Production | In Production | In Production | In Production | In Production |
Key Differentiators
- SMPS-optimized analog front end (vs DSPIC33FJ256GP506AT-I/PT)
- Extended-temperature pin-compatible upgrade path (vs DSPIC33FJ64GS606-50E/PT)
- Cost-reduced firmware-shrink option (vs DSPIC33FJ32GS606-50I/PT)
Design Notes
Route the ICSP programming signals (PGECx/PGEDx) with short, direct traces to a programming header. According to the Microchip family datasheet (document 70000591f), trace length between the ICSP connector and the device ICSP pins should be kept as short as possible to preserve signal integrity for reliable programming and debugging. Place a 100 nF decoupling capacitor close to each VDD pin pair and provide a solid ground plane under the 64-pin TQFP; connect the exposed center die-attach area (if used thermally) to ground.
Plan the 3.3 V rail budget around the digital core plus the analog peripherals (high-speed ADC, comparators, PWM) running simultaneously at 50 MIPS. Separate clean analog supply filtering for the ADC reference inputs from the digital rail, since digital power supply noise directly degrades ADC accuracy in digital power loops. Estimated: for typical DSC core currents in the tens-of-mA range at 3.3 V, a low-ESR 10 uF bulk capacitor plus per-pin 100 nF ceramics is a sound baseline, but confirm exact IDD figures in the datasheet electrical characteristics tables before finalizing the regulator selection.
Do not assume all dsPIC33FJ64-pin parts are identical: the GS (SMPS) series differs from the GP/MC series in peripheral mapping even where the TQFP-64 footprint matches - verify the peripheral-to-pin mapping in the family datasheet 70000591f before substituting. Also note the RAM is specified as 9216 words (9 KB), not 8 KB, which matters for linker scripts when porting firmware. Finally, the -50I speed grade means 50 MIPS maximum; code written for 40 MIPS GP variants must have clock configuration updated.
Compliance Information
RoHS compliance confirmed via DigChip specification listing for DSPIC33FJ64GS606-50I/PT. Other environmental attributes should be confirmed from Microchip's official product page material declarations.
