DSPIC33EP16GS506T-E/PT - 16-Bit DSC, 16KB Flash, 64-TQFP | Microchip
MPN: DSPIC33EP16GS506T-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.69 | $369.00 |
| 500 | $3.32 | $1,660.00 |
| 1,000 | $2.95 | $2,950.00 |
DSPIC33EP16GS506T-E/PT Overview
A digital signal controller combines the computational capability of a digital signal processor (DSP) with the control peripherals and ease of use of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33EP16GS506 belongs to Microchip's dsPIC33EP16GS50X family, purpose-built for digital switch-mode power supplies (SMPS) and other digital power-conversion applications such as AC-to-DC converters and power factor correction (PFC).
Key differentiating features center on the interconnected high-speed PWM module, which supports common multi-loop SMPS topologies with flexible PWM interconnection for phase-shifted and peak-current-mode control. The on-chip analog front end integrates an ADC with a programmable gain amplifier (PGA) and comparators, enabling tight, fast control loops without external analog circuitry.
Architecturally, the device executes a 16-bit RISC DSP core - Mouser lists up to 70 MIPS while DigiKey lists 60 MIPS for this part, so designers should confirm the exact grade against the manufacturer datasheet - with DSP instructions supporting MAC operations for control-law computation. The 16KB (16K x 8) Flash accommodates state machines, compensators, and communication stacks for digital power products.
Typical applications include AC/DC power supplies, DC/DC converters, uninterruptible power supplies (UPS), battery chargers, solar micro-inverters, and automotive power conversion modules where AEC-Q100 qualification is mandatory.
Design consideration: the -E (extended, -40C to +125C) temperature grade is the automotive-appropriate choice; the industrial -I grade (-40C to +85C) is cheaper but must not be used where junction temperatures may exceed 85C ambient conditions.
This page synthesizes distributor pricing data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single citable reference for the DSPIC33EP16GS506T-E/PT.
Drop-in alternatives for DSPIC33EP16GS506T-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 DSPIC33EP16GS506T-E/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Packaging, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP16GS506-I/PT
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →DSPIC33EP16GS506T-I/PT
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EP64GS506
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32GS506
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GS506
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS506T-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC RISC with DSP |
| Core Performance | 70 MIPS (per Mouser); 60 MIPS (per DigiKey) - confirm per datasheet |
| Program Memory (Flash) | 16KB (16K x 8) |
| Supply Voltage | 3.3 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| Qualification | AEC-Q100, Functional Safety (FuSa) capable |
| Product Segment | Digital power / SMPS (dsPIC33EP16GS50X family) |
| PWM | Interconnected high-speed PWM |
| ADC | ADC with programmable gain amplifier (PGA) |
| Comparators | On-chip comparators |
| Packaging | Tape & Reel (T/PT suffix) |
| Programming/Debug | ICSP via any PGECx/PGEDx pair (must be used as a pair) |
DSPIC33EP16GS506T-E/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP16GS506T-E/PT (64-tqfp (10x10 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 DSPIC33EP16GS506T-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP16GS506T-E/PT is suitable for 6 applications: AC/DC Switch-Mode Power Supplies, Power Factor Correction (PFC) Stages, Automotive Power Conversion, Solar Micro-Inverters and Battery Chargers, Uninterruptible Power Supplies (UPS), Industrial Lighting and LED Drivers.
AC/DC Switch-Mode Power Supplies
The DSPIC33EP16GS506T-E/PT is purpose-built for digitally controlled AC/DC converters. Its interconnected high-speed PWM module directly supports multi-loop SMPS topologies such as LLC, flyback, and forward converters, with flexible PWM interconnection enabling phase-shifted control without external glue logic. The on-chip ADC with programmable gain amplifier (PGA) and comparators closes fast current- and voltage-feedback loops in silicon, letting a 70 MIPS-class 16-bit DSP core execute compensator math within one switching period. Placed as the sole supervisory controller, it replaces multiple analog control ICs, cutting BOM count. The AEC-Q100 -E grade additionally permits use in hot, thermally stressed power supplies where industrial-grade controllers fail.
Recommended
Power Factor Correction (PFC) Stages
In boost or bridgeless PFC front ends, the DSPIC33EP16GS506T-E/PT delivers the fast current-loop bandwidth PFC demands. The ADC with PGA samples the inductor current and bus voltage with programmable gain, feeding the DSP core's MAC-capable instruction set for average-current-mode control. The interconnected high-speed PWM handles leading/trailing-edge modulation and cycle-by-cycle current limiting through on-chip comparators, which react in hardware faster than any software interrupt. Its 16KB Flash comfortably holds PFC state machines, soft-start, and protection logic. Running at 3.3V with a 64-TQFP 10x10 mm footprint, it integrates cleanly into compact power boards, including AEC-Q100-qualified automotive on-board charger front ends.
Recommended
Automotive Power Conversion
The -E temperature grade and AEC-Q100 qualification make the DSPIC33EP16GS506T-E/PT suitable for automotive power-conversion nodes: DC/DC converters for 12V/48V architectures, on-board charger sub-blocks, and LED headlight drivers. Its extended -40C to +125C rating tolerates under-hood and near-power-electronics ambient conditions that defeat industrial parts. DigiKey additionally lists Functional Safety (FuSa) support for the dsPIC33EP 33EP line, relevant to ASIL-classified systems. The deterministic 16-bit DSP core executes control loops and diagnostic routines with predictable timing, while the Tape & Reel T/PT packaging supports high-volume automated automotive assembly. Same-family footprint compatibility simplifies second-sourcing across temperature grades within one PCB design.
Recommended
Solar Micro-Inverters and Battery Chargers
Grid-tied solar micro-inverters and multi-chemistry battery chargers require simultaneous MPPT, phase management, and charge-profile control - workloads that fit the DSPIC33EP16GS506T-E/PT's architecture. The interconnected high-speed PWM generates the interleaved or phase-shifted drive signals for interleaved boost MPPT stages and LLC charger stages, while the ADC/PGA/comparator analog front end monitors panel current, battery voltage, and temperature in hardware. The 16-bit DSP core computes MPPT perturb-and-observe algorithms each switching cycle at up to 70 MIPS-class speed. For firmware growth beyond 16KB - e.g., adding grid-compliance routines - pin-compatible 32KB, 64KB, and 128KB GS506 family members drop onto the identical 64-TQFP PCB footprint with no redesign.
Recommended
Uninterruptible Power Supplies (UPS)
Digital UPS designs need coordinated inverter, rectifier, and transfer-switch control with fast fault response - a natural fit for the DSPIC33EP16GS506T-E/PT. The interconnected high-speed PWM produces the sine-modulated inverter drive with dead-time control, while on-chip comparators implement cycle-by-cycle overcurrent protection that responds in hardware, independent of software latency. The ADC with PGA digitizes output voltage and battery current with gain matched to sense-resistor levels, and the 16-bit DSP core runs harmonic-compensation and phase-lock algorithms in real time. Its 3.3V I/O simplifies interfacing with supervisory MCUs and communication ICs, and AEC-Q100 qualification supports professional and telecom UPS platforms requiring extended-temperature reliability.
Recommended
Industrial Lighting and LED Drivers
High-power LED drivers benefit from the DSPIC33EP16GS506T-E/PT's digitally controlled constant-current loops. The interconnected high-speed PWM supports dimming via PWM or phase-cut schemes with high resolution, while the ADC/PGA front end senses LED current precisely for accurate regulation and thermal foldback. On-chip comparators provide fast overcurrent shutdown, protecting expensive LED strings. The 16-bit DSP core handles housekeeping - DALI or other communication protocols, temperature derating curves, and multi-channel scheduling - within the 16KB Flash budget, and the pin-compatible 32KB/64KB variants provide headroom for richer protocols. Its -40C to +125C rating suits sealed outdoor luminaires and industrial high-bay fixtures with hot internal ambients.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP16GS506T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP16GS506-I/PT | DSPIC33EP16GS506T-I/PT | DSPIC33EP64GS506 | DSPIC33EP32GS506 | DSPIC33EP128GS506 |
|---|---|---|---|---|---|---|
| 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 | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16KB (16K x 8) | 16KB | 16KB | 64KB | 32KB | 128KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Core / Digital Power Peripherals | 16-bit dsPIC DSP; interconnected high-speed PWM, ADC+PGA, comparators | Identical | Identical | Identical | Identical | Identical |
Key Differentiators
- Extended automotive temperature range on a low-cost industrial die (vs DSPIC33EP16GS506-I/PT)
- Purpose-built digital power analog front end (vs DSPIC33EP16GS506-I/PT)
- Flash headroom scaling without PCB change (vs DSPIC33EP64GS506)
Design Notes
Programming and debugging via ICSP requires a matched PGECx/PGEDx pair: if PGEC2 is wired to ICSPCLK, ICSPDAT must connect to PGED2 - mixing pairs from different indexes prevents programming. Connect ALL VDD and VSS pins; on a 64-TQFP digital-power controller these supply the ADC and PWM domains, and a single floating ground pin degrades analog accuracy. This pairing requirement is confirmed by Northern Software's dsPIC33EP16GS506 support notes.
Respect the temperature grade boundary: the -E part is rated -40C to +125C while the -I substitute tops out at +85C ambient. In digital power designs, junction temperature often runs 20-40C above ambient near hot power stages; estimated derating at 10x10 mm TQFP suggests a +85C ambient enclosure can push an -I device past its limit even though the board was designed around the -E part. Never substitute -I for -E in automotive or sealed-power designs without a full thermal analysis.
Use the 16KB Flash budget as a design gate, not an afterthought: digital power firmware (compensators, protection state machines, communication) grows quickly. Because the DSPIC33EP32GS506, 64GS506, and 128GS506 share the identical 64-TQFP footprint and pinout, layout the PCB once and populate the memory tier that fits final firmware. Estimated rule of thumb: reserve 30% Flash headroom at first prototype to avoid an emergency part swap late in development.
Compliance Information
AEC-Q100 automotive qualification and Functional Safety (FuSa) listing confirmed via DigiKey and datasheets.com product listings as of 2026-09-24. RoHS, REACH, lead-free, and halogen-free status were not stated in the verified data.
