DSPIC33FJ64GS606-E/MR - 16-bit DSC 40MIPS 64KB | Microchip
MPN: DSPIC33FJ64GS606-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.17 | $61.70 |
| 100 | $5.48 | $548.00 |
| 500 | $4.92 | $2,460.00 |
| 1,000 | $4.43 | $4,430.00 |
DSPIC33FJ64GS606-E/MR Overview
A digital signal controller combines the compute power of a DSP engine with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated digital power ICs: it executes closed-loop control algorithms for switch-mode power conversion while integrating the analog and timing peripherals those loops require. The dsPIC33F family is Microchip's 16-bit DSC line purpose-built for digital power.
Key features include a high-speed 16-bit PWM module with complementary outputs and dead-time control, a high-speed 10-bit ADC, analog comparators, four DMA channels, a barrel shifter DSP engine, and boundary-scan (JTAG-capable) debug support. The supply range is 3V to 3.6V (single 3.3V rail), and the operating frequency reaches 40 MIPS, sufficient for multi-loop digital power control at practical switching frequencies.
Architecturally, the device pairs a 16-bit RISC CPU with a DSP multiply-accumulate engine and multiple internal buses, allowing control-law computation (PI/PID compensation) to run in parallel with PWM update and ADC sampling. AEC-Q100 and TS 16949 alignment per Microchip USA reporting makes it suitable for automotive-adjacent and industrial power designs.
Typical applications are AC-to-DC converters, DC-to-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), and solar inverters, where multi-loop SMPS control benefits from the integrated high-speed PWM and fast ADC sampling.
Design consideration: budget the 3.3V supply decoupling carefully and verify ADC sampling-to-PWM-update latency against your switching frequency; extended-temperature designs should also account for Flash endurance and retention derating above 105C.
This page adds value beyond the datasheet with drop-in alternative cross-references, distributor pricing tiers as of 2026-09-27, and practical digital-power design notes compiled for engineers and buyers.
Drop-in alternatives for DSPIC33FJ64GS606-E/MR — 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-E/MR (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Package, RAM, Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS606-50E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS406-E/MR
✅ Drop-In✓ In Stock
$4.02 / Unit
View Datasheet →DSPIC33FJ32GS606-E/MR
✅ Drop-In✓ In Stock
$4.42 / Unit
View Datasheet →DSPIC33FJ64GS606-E/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory | 64KB (64K x 8) Flash |
| Data RAM | 9.216KB |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Ports | 21 |
| DMA Channels | 4 |
| Specialized Peripherals | High-Speed PWM, high-speed ADC, comparators |
| DSP Features | Barrel shifter, multiply-accumulate engine |
| Debug / Test | Boundary scan (JTAG) |
| Package | 64-pin VQFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| Target Applications | Digital SMPS, PFC, AC/DC, DC/DC, UPS |
| Qualification Alignment | AEC-Q100, TS 16949 (per Microchip USA) |
| RoHS Status | Lead-free, RoHS compliant (QFN-44-class lead-free plastic package per DigChip listing) |
DSPIC33FJ64GS606-E/MR 64-pin vqfn (9x9 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS606-E/MR (64-pin vqfn (9x9 mm) with exposed pad 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-E/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS606-E/MR is suitable for 6 applications: AC-to-DC Converter Control, DC-to-DC Converter (Digital SMPS), Power Factor Correction (PFC), Uninterruptible Power Supply (UPS), Solar Inverter / Micro-Inverter Control, Industrial Battery Charging and Energy Storage.
AC-to-DC Converter Control
The DSPIC33FJ64GS606-E/MR is a strong fit for AC-to-DC converter control because its high-speed PWM module generates the switching waveforms for PFC and post-regulation stages while the high-speed ADC samples input current, input voltage, and output bus with low latency. At 40 MIPS, the DSP engine executes the outer voltage loop and inner current loop within one switching period even at tens of kHz switching frequencies. The 3V to 3.6V digital rail is isolated from the power stage through isolated gate-drive or digital isolators, keeping the controller domain clean. Using DMA channels to move ADC results eliminates interrupt jitter, improving control-loop bandwidth and output regulation accuracy across the -40C to +125C range.
Recommended
DC-to-DC Converter (Digital SMPS)
For digitally controlled DC-to-DC converters such as telecom bricks, server VRMs, and battery chargers, the DSPIC33FJ64GS606-E/MR provides the complementary PWM outputs with programmable dead time needed for half-bridge, full-bridge, and synchronous buck topologies. The high-speed ADC's conversion timing can be synchronized to the PWM period so that phase current and output voltage are sampled away from switching noise, and the 4 DMA channels stream results into RAM without CPU overhead. The 40 MIPS core closes current-mode loops fast enough for converters switching at practical frequencies, while comparators support fast overcurrent protection independent of software. The 64-pin VQFN 9x9 package with exposed pad gives 21 I/O ports for gating, telemetry, and communication.
Recommended
Power Factor Correction (PFC)
Microchip explicitly positions the dsPIC33FJ64GS606 family for Power Factor Correction, and publishes an Interleaved PFC reference design for the SMPS DSC line. The DSPIC33FJ64GS606-E/MR handles interleaved boost PFC by generating two phase-shifted PWM channels, sampling inductor currents per phase with the high-speed ADC, and running average-current-mode compensation on the DSP engine at 40 MIPS. The analog comparators provide cycle-by-cycle overcurrent limiting without software latency, essential for PFC robustness at AC line zero-crossings and load transients. Because the controller covers both PFC and downstream DC/DC stages in one 64-pin device, board area and BOM cost drop compared to discrete analog control, while firmware enables adaptive gain over universal input range.
Recommended
Uninterruptible Power Supply (UPS)
Online and line-interactive UPS designs benefit from the DSPIC33FJ64GS606-E/MR's ability to control multiple power stages - rectifier PFC, battery charger, and inverter - from a single controller. The high-speed PWM generates the inverter's sinusoidal switching pattern while the high-speed ADC samples output voltage and current for closed-loop waveform generation with low total harmonic distortion. At 40 MIPS with a DSP multiply-accumulate engine, the device runs the inverter's waveform controller plus protection state machines concurrently. The extended -40C to +125C operating range tolerates the elevated ambient temperatures found in UPS enclosures, and 21 I/O ports support relay control, bypass switching, and host communication interfaces on the 64-pin VQFN footprint.
Recommended
Solar Inverter / Micro-Inverter Control
Grid-tied solar inverters require MPPT algorithms, grid-current injection control, and safety compliance logic - all well matched to the DSPIC33FJ64GS606-E/MR. The high-speed PWM drives the boost and inverter stages with dead-time control, the high-speed ADC samples panel voltage/current and grid voltage/current for MPPT tracking and grid synchronization, and the DSP engine at 40 MIPS executes MPPT plus current-loop compensation within each switching cycle. Comparators implement hardware overcurrent and grid-fault trip levels independent of firmware. The 3.3V controller domain with 64KB Flash leaves ample room for anti-islanding routines and communication firmware, and the exposed-pad VQFN conducts heat away from the junction in sealed outdoor enclosures.
Recommended
Industrial Battery Charging and Energy Storage
Industrial chargers and battery-management front ends for energy storage systems use the DSPIC33FJ64GS606-E/MR to run CC/CV and multi-stage charging profiles digitally. The high-speed PWM controls the charging power stage with soft-start and phase management, while the high-speed ADC monitors battery current, pack voltage, and temperature with synchronization to PWM to avoid switching-noise corruption of readings. The 40 MIPS DSP engine implements coulomb counting and adaptive charge algorithms, and the 4 DMA channels keep telemetry logging off the control path. AEC-Q100/TS 16949 alignment of the GS606 series, per Microchip USA, plus the -40C to +125C E-grade rating, support deployment in demanding industrial and vehicular charging environments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS606-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS606-50E/MR | DSPIC33FJ64GS406-E/MR | DSPIC33FJ32GS606-E/MR |
|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) EP | 64-VQFN (9x9 mm) - same footprint | 64-pin QFN family - same footprint | 64-pin QFN EP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max CPU Speed | 40 MIPS | 50 MHz | 40 MIPS | 40 MIPS |
| Program Flash | 64KB | 64KB | 64KB | 32KB |
| 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 |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Target Application Focus | Digital SMPS, PFC, AC/DC, DC/DC, UPS | Digital power, higher-speed control loops | Digital SMPS (same GS family) | Digital SMPS, smaller code base |
Key Differentiators
- Extended-temperature E-grade in a 9x9 mm QFN (vs DSPIC33FJ64GS606-50E/MR)
- Double the Flash of the budget variant (vs DSPIC33FJ32GS606-E/MR)
- Purpose-built digital power peripheral set (vs DSPIC33FJ64GP708A-I/PT)
Design Notes
The 64-pin VQFN (9x9 mm) has an exposed pad that must be soldered to a solid ground pour with an array of thermal vias (typically 5x5 via grid to internal ground planes). This pad is the primary ground return for the high-speed PWM drivers and ADC reference, so a poorly wetted pad manifests as ADC noise and PWM glitching rather than obvious thermal issues. Follow Microchip's layout guidance in the dsPIC33FJ GS datasheet (doc 70000591f): place 0.1uF ceramic decoupling at every VDD/VSS pair within 2 mm of the pins, plus bulk 10uF near the device.
Synchronize ADC sampling to the PWM period counter so current and voltage feedback are acquired away from switching edges - this is the single largest contributor to clean control-loop behavior on the GS-family digital power DSCs. Use DMA channels (4 available) to move ADC buffers to RAM to avoid ISR-induced jitter on the PWM update path. Route PWM outputs away from ADC input traces and analog reference lines; keep the analog supply pin filtered with an RC (e.g., ferrite + 1uF) from the digital 3.3V rail.
Three frequent mistakes on this device: (1) ignoring Flash endurance/retention derating above 105C in extended-temperature SMPS enclosures - confirm retention specifications in the datasheet for your junction temperature; (2) relying on software-only overcurrent protection - the on-chip comparators provide cycle-by-cycle hardware trip and should always be configured; (3) substituting family members without verifying the pinout map in datasheet 70000591f, since I/O multiplexing differs between GS406 and GS606 variants even where the footprint appears identical.
Estimated: as a controller the DSC itself dissipates only on the order of tens of mW at 40 MIPS from a 3.3V rail, so junction temperature is dominated by board ambient and proximity to power-stage hot spots rather than by the IC's own losses. Position the 64-VQFN at least 10-15 mm from switching MOSFETs and magnetics where practical, and verify local ambient stays within the -40C to +125C rating with margin. For sealed digital-power boards, thermal simulation of the ground pour structure matters more than the DSC's own power budget.
Compliance Information
DigChip listing describes lead-free plastic QFN package; Microchip USA states the series aligns with AEC-Q100 and TS 16949. REACH, halogen-free, and conflict-minerals status not stated in provided data.
