DSPIC33FJ32GS606-E/PT - 16-bit DSC 40MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS606-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $5.14 | $514.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.18 | $4,180.00 |
DSPIC33FJ32GS606-E/PT Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and control peripherals of a microcontroller. Within the power-management hierarchy, the dsPIC33FJ GS family sits at the level of dedicated digital power-conversion controllers, bridging general-purpose MCUs and fully hardwired power-supply ICs. This makes the family well suited to closed-loop control of switch-mode power supplies where fast PID loops and high-resolution PWM are required.
Key features include high-speed PWM peripherals with direct-feedback comparators, up to four high-speed analog comparators, an on-chip ADC for multi-loop feedback sampling, and support for common multi-loop digital SMPS topologies. The extended (E) temperature grade of -40C to +125C permits use in industrial enclosures and automotive-adjacent environments. Flash program memory allows field firmware updates, an important advantage over fixed-function analog control.
Architecturally, the device uses a 16-bit modified Harvard core with DSP instruction support (MAC, DSP multiply), executing at up to 40 MIPS from a 3.0-3.6V rail. Per the family datasheet, an internal regulator requires a low-ESR capacitor (minimum 22 uF, 16V) on the VCAP pin to stabilize the core voltage; VCAP must never be tied to VDD. Multiple PGECx/PGEDx pin pairs support In-Circuit Serial Programming (ICSP) and debugging.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, and uninterruptible power supplies (UPS). Microchip's Interleaved PFC reference design, producing up to 350W from a universal input, demonstrates the family's fitness for these roles.
Design consideration: always pair the controller with a low-ESR VCAP capacitor and connect all VDD/VSS pairs as specified in the datasheet to preserve ADC accuracy and EMI performance.
This page synthesizes distributor listings, family datasheet parameters, and drop-in same-family alternatives with practical design notes not found in the standard datasheet.
Drop-in alternatives for DSPIC33FJ32GS606-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 DSPIC33FJ32GS606-E/PT (same form factor and footprint) — differing in Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GS606-50E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS606I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS606-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS606-E/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS606-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.15 / Unit
View Datasheet →DSPIC33FJ32GS606-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit |
| Max Clock / Performance | 40 MIPS |
| Program Memory Size | 32KB (32K x 8) Flash |
| Program Memory Type | Flash |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 64-TQFP, 10 x 10 mm, 1 mm height |
| Mounting Type | Surface Mount |
| Package Lead Pitch | 0.50 mm |
| High-Speed Comparators | Up to 4, direct PWM feedback connection |
| Peripherals | High-Speed PWM, ADC, Comparators |
| Target Applications | Digital SMPS, AC-DC, DC-DC, PFC, UPS |
| Programming / Debug | ICSP via PGECx/PGEDx pairs |
| VCAP Requirement | Low-ESR (< 0.5 ohm) capacitor, min 22 uF, 16 V |
| Lifecycle Stage | Active |
| Lead Free | Yes |
DSPIC33FJ32GS606-E/PT 0.50 mm Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS606-E/PT (0.50 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 DSPIC33FJ32GS606-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS606-E/PT is suitable for 6 applications: AC-DC Converter Control, Power Factor Correction (PFC), DC-DC Converter Control, Uninterruptible Power Supply (UPS), Solar / Renewable Energy Inverters, Digital Lighting and LED Driver Power.
AC-DC Converter Control
The DSPIC33FJ32GS606-E/PT directly controls AC-DC converter power stages using its high-speed PWM outputs and on-chip ADC to sample input and output feedback. The up-to-four high-speed comparators provide direct, low-latency feedback into the PWM module, enabling cycle-by-cycle current limiting without CPU intervention - a decisive advantage over general-purpose MCUs in offline power supplies. Firmware-based control allows soft-start profiles, burst-mode operation, and protection strategies (overvoltage, overcurrent) to be customized in software and updated in the field via Flash reprogramming. Operating from a 3.0-3.6V rail at 40 MIPS, the controller executes multiple nested control loops while managing housekeeping and communication. Designers should place the ADC sampling to coincide with PWM centered points to minimize switching-noise-induced measurement error.
Recommended
Power Factor Correction (PFC)
Power factor correction demands fast inner current loops tracking sinusoidal references - exactly the workload the DSPIC33FJ32GS606-E/PT was architected for. Microchip's 350W Interleaved PFC reference design demonstrates the family executing interleaved boost control from a universal AC input, using the high-speed PWM and comparator-feedback path to close current loops at switching frequency. The 40 MIPS DSP core computes PID or predictive control laws per cycle, while the ADC triggers synchronized to the PWM capture midpoint inductor current free of switching transients. The extended -40C to +125C temperature grade tolerates the hot environment inside power-supply enclosures. Interleaving two phases with this single controller reduces input ripple current and output capacitor stress versus a single-phase design of equal power.
Recommended
DC-DC Converter Control
For digital DC-DC converters - buck, boost, half-bridge, or LLC topologies - the DSPIC33FJ32GS606-E/PT provides the high-speed PWM resolution and fast analog comparators required for precise regulation at hundreds of kilohertz switching frequencies. Its 40 MIPS core sustains multi-loop voltage and current-mode control while the comparator direct-feedback path handles instantaneous overcurrent protection. Because control behavior lives in firmware, one PCB can serve multiple output voltages and power ratings by changing code, cutting SKU proliferation. The 32KB Flash accommodates control loops plus communication interfaces (UART, SPI, I2C, CAN) for digital telemetry and PMBus-style management. When sizing the design, budget the mandatory 22 uF low-ESR VCAP capacitor per the datasheet to guarantee core-voltage integrity during load transients.
Recommended
Uninterruptible Power Supply (UPS)
UPS systems combine an AC-DC charger, a DC-AC inverter, and transfer logic - a natural multi-loop workload for the DSPIC33FJ32GS606-E/PT. Its high-speed PWM channels drive the inverter bridge with sinusoidal modulation while the ADC samples battery voltage, bus voltage, and output waveforms; the comparators deliver hardware-level fault shutdown faster than any interrupt-driven software path. Microchip explicitly lists UPS among the target applications for the GS family. The DSP-capable 16-bit core at 40 MIPS runs waveform generation, battery-charge management, and grid-synchronization code concurrently, and 32KB Flash leaves headroom for communication protocols used in networked UPS monitoring. The -40C to +125C grade suits the elevated ambient temperatures typical of UPS cabinets.
Recommended
Solar / Renewable Energy Inverters
Grid-tied and off-grid solar inverters require MPPT algorithms, DC-DC stage control, and inverter modulation - all executable on the DSPIC33FJ32GS606-E/PT at 40 MIPS. The synchronized ADC samples panel voltage and current so maximum-power-point-tracking code runs every switching cycle, while high-speed PWM with comparator protection safeguards the power stage against transient faults. Microchip positions the GS family squarely at digital power conversion, and solar micro-inverters and DC optimizers are canonical uses for this class of DSC. Field firmware updates via Flash and ICSP allow MPPT improvements to ship over product lifetime without hardware change. Designers should exploit multiple PGEC/PGED pairs for production programming access points placed on test pads.
Recommended
Digital Lighting and LED Driver Power
High-power LED drivers and digital lighting ballasts benefit from the DSPIC33FJ32GS606-E/PT's combination of high-speed PWM (for precise current regulation and dimming), fast comparators (for short-circuit protection), and communication peripherals (for DALI-style or serial dimming commands). Running at 40 MIPS from a 3.0-3.6V rail, the controller can regulate LED current per cycle while executing color-mixing, thermal-derating, and fault-reporting firmware concurrently. The extended -40C to +125C temperature rating addresses luminaire environments where driver electronics see sustained heat. Firmware-based control allows one hardware platform to span multiple driver wattages and dimming protocols. The 32KB Flash comfortably holds control loops plus a serial protocol stack for networked lighting systems.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS606-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GS606-50E/PT | DSPIC33FJ32GS606I/PT | DSPIC33FJ64GS606-E/PT | DSPIC33FJ32GS606-E/PF |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance | 40 MIPS | 50 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Memory (Flash) | 32KB | 32KB | 32KB | 64KB | 32KB |
| 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 +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| High-Speed Comparators | Up to 4 | Up to 4 | Up to 4 | Up to 4 | Up to 4 |
Key Differentiators
- Extended temperature range for harsh power environments (vs DSPIC33FJ32GS606I/PT)
- Fastest same-footprint option in the GS606 family (vs DSPIC33FJ32GS606-50E/PT)
- Purpose-built digital-power peripherals vs general MCUs (vs DSPIC33FJ64GS606-E/PT)
Design Notes
Per the Microchip family datasheet (document 70000591f), the internal regulator requires a low-ESR capacitor on the VCAP pin - ESR below 0.5 ohm, minimum 22 uF rated 16V - to stabilize the core supply. The VCAP pin must never be connected to VDD. Underestimating this capacitor causes core-voltage droop during load transients and can manifest as intermittent resets that are very difficult to debug in a switching-power environment. Place the VCAP capacitor within a few millimeters of the pin with a solid ground return.
Connect every VDD and VSS pin pair as specified in the datasheet - do not leave supply pins floating even if the design appears to work on a prototype. Provide a low-inductance 3.0-3.6V plane with 100 nF ceramic decoupling at each VDD pin pair, plus bulk capacitance near the device. In digital-power layouts, keep the controller ground referenced to quiet analog ground and route the high-current PWM gate-drive returns separately to prevent switching noise from corrupting ADC measurements.
The device provides multiple PGECx/PGEDx pairs for ICSP programming and debugging. Per tooling documentation, each pair must be used as a matched pair: if PGEC2 is wired to the programmer ICSPCLK, ICSPDAT must connect to PGED2. Mixing pins from different pairs prevents programming. Reserve dedicated programming-header access on production boards, and verify the -E speed/temperature ordering code at purchase since the same die ships in I (industrial) and E (extended) grades with different thermal limits.
When using the high-speed comparators with direct PWM feedback, route comparator input traces away from PWM output and gate-drive traces; the whole value of the direct-feedback path is its sub-cycle response, which is defeated if noise triggers false comparisons. Use short, guarded traces to the shunt or divider points and consider RC filtering sized so protection latency stays within the converter's fault-budget. Calibrate comparator trip points against part tolerances during design validation.
Compliance Information
Distributor data describes the 64-TQFP package as LEAD FREE. Full RoHS/REACH status should be confirmed on the official Microchip product page certificate of compliance.
