DSPIC33EP128GP506T-E/PT - 16-Bit 60 MIPs DSC | Microchip
MPN: DSPIC33EP128GP506T-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.55 | $55.50 |
| 100 | $4.72 | $472.00 |
| 500 | $4.15 | $2,075.00 |
| 1,000 | $3.78 | $3,780.00 |
DSPIC33EP128GP506T-E/PT Overview
A Digital Signal Controller combines the control peripherals of a microcontroller with the DSP engine of a digital signal processor. Within the power-management hierarchy, the DSC sits between a conventional MCU and a dedicated DSP: it executes real-time control loops (PWM, ADC feedback) while running general firmware, making the dsPIC33 family a staple in motor control, digital power conversion, and sensing systems.
Key features include the 16-bit dsPIC33E core with DSP instruction support, CANbus, I2C, SPI, UART/USART, and IrDA/LINbus connectivity, a Charge Time Measurement Unit (CTMU), high-performance ADC peripherals, and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. The -E suffix denotes the extended automotive temperature grade.
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with hardware DSP multiply-accumulate, bit-reversed addressing, and zero-overhead loops, giving deterministic execution for control algorithms such as field-oriented motor control or power-factor correction where interrupt latency must be tightly bounded.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, totem-pole PFC), automotive body and safety modules, and industrial sensing and communication gateways exploiting the integrated CAN 2.0B controller.
When designing with this device, budget FLASH for the DSP math library and bootloader early, and use the PTG to offload ADC/PWM timing from the CPU to reduce jitter in the control loop.
This page synthesizes distributor pricing, drop-in family alternatives, pinout and design guidance not consolidated in the manufacturer datasheet, with data verified as of 2026-09-23.
Drop-in alternatives for DSPIC33EP128GP506T-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 DSPIC33EP128GP506T-E/PT (same form factor and footprint) — differing in Operating Temperature, Core, Supply Voltage, Package, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDSPIC33EP128GP506T-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| CPU Speed | 60 MIPs |
| Program Memory Size | 128KB (43K x 24) FLASH |
| RAM Size | 8KB |
| Supply Voltage | 3.3 V |
| Package | 64-TQFP (10x10 mm) |
| Pin Count | 64 |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | CTMU, PTG, high-performance ADC, PWM, Op Amp support |
| Qualification | AEC-Q100 qualified |
| Operating Temperature | -40C to +125C (extended, -E grade) |
| Mounting Type | Surface Mount |
| Series | dsPIC33EP128GP506 (dsPIC 33EP General Purpose) |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
| Applications Level | Automotive |
DSPIC33EP128GP506T-E/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128GP506T-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 DSPIC33EP128GP506T-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128GP506T-E/PT is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Body and Comfort Modules, Industrial Sensing and Gateways, Audio and Signal Processing, IoT and Connected Device Control.
BLDC/PMSM Motor Control
The DSPIC33EP128GP506T-E/PT is a natural fit for brushless DC and permanent-magnet synchronous motor drives because its 60 MIPs DSP core executes field-oriented control loops with deterministic latency, while hardware PWM modules generate complementary dead-band-gated gate signals. The Peripheral Trigger Generator can chain ADC sampling of phase currents to PWM events autonomously, removing software jitter from the current loop. With 128KB FLASH, a full FOC stack plus fieldbus (CAN) stack fits comfortably. The AEC-Q100 qualification and -40C to +125C range suit automotive pumps, fans, and actuators.
Recommended
Digital Power Conversion
In digital power supplies such as LLC converters, totem-pole PFC, and DC-DC modules, the DSPIC33EP128GP506T-E/PT provides the high-speed ADC feedback, PWM resolution, and DSP math needed for voltage/current mode loops running at hundreds of kilohertz. The 60 MIPs core leaves headroom for nonlinear control and protection state machines, while the CTMU supports precision sensing. Its 3.3V rail integrates directly with standard gate-driver logic, and the 64-pin package provides enough I/O for multi-rail sequencing, telemetry (UART/I2C), and fault-handling in server and telecom power shelves.
Recommended
Automotive Body and Comfort Modules
Thanks to AEC-Q100 qualification, the -E extended temperature grade (-40C to +125C), and an integrated CAN 2.0B controller with LINbus support, the DSPIC33EP128GP506T-E/PT targets automotive body electronics: lighting control, window lifter, seat modules, and HVAC actuators. The 128KB FLASH accommodates OEM diagnostics stacks, and the 64-pin TQFP offers abundant I/O for switches, relays, and LED loads. CTMU-based capacitive touch or linearization routines run on-chip without extra components, and tape-and-reel packaging supports high-volume automotive SMT assembly.
Recommended
Industrial Sensing and Gateways
For industrial nodes that must acquire sensor data and bridge it onto CAN or serial networks, the DSPIC33EP128GP506T-E/PT combines a high-performance ADC, CTMU charge-time measurement, and DSP filtering (FIR/IIR with MAC instructions) on one chip. The 60 MIPs core handles signal conditioning, protocol stacks, and local decision logic concurrently. SPI and I2C connect external front ends, while dual-UART/IrDA links to legacy field devices. The extended -40C to +125C operating range allows mounting in sealed enclosures near motors or heaters without local cooling.
Recommended
Audio and Signal Processing
The dsPIC33E DSP engine - single-cycle MAC, dual operand fetch, bit-reversed addressing - makes the DSPIC33EP128GP506T-E/PT effective for embedded audio processing such as active noise cancellation, equalization, and acoustic feedback suppression in appliances and automotive cabins. At 60 MIPs it sustains multiple concurrent biquad filters per channel, while the high-performance ADC captures microphone inputs and PWM/DAC-class peripherals drive outputs. The 128KB FLASH retains coefficient tables and multi-profile tuning data, and the 64-pin package leaves I/O for user interfaces.
Recommended
IoT and Connected Device Control
In smart industrial and building IoT endpoints, the DSPIC33EP128GP506T-E/PT serves as the deterministic real-time controller beneath a connectivity module: it sequences sensors, drives actuators, and manages power modes, while UART/SPI links hand data to wireless modules. The Peripheral Trigger Generator automates measurement timing so the CPU can sleep between cycles, extending battery life. The 3.3V supply matches common radio-module logic, and CAN/I2C/LIN options let the same firmware base serve wired retrofit installations alongside wireless ones.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128GP506T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128GM306-E/PT | DSPIC33EP64GP506-E/PT | DSPIC33EP256GP506-E/PT | DSPIC33EP256GM606-E/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPs | 60 MIPs | 60 MIPs | 60 MIPs | 60 MIPs |
| FLASH Program Memory | 128KB (43K x 24) | 128KB | 64KB | 256KB | 256KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Temperature Grade | -40C to +125C (-E) | -40C to +125C (-E) | -40C to +125C (-E) | -40C to +125C (-E) | -40C to +125C (-E) |
Key Differentiators
- Same performance at half the FLASH cost (vs DSPIC33EP256GP506-E/PT)
- General-purpose peripheral mix for flexible designs (vs DSPIC33EP128GM306-E/PT)
- Full code headroom over 64KB density (vs DSPIC33EP64GP506-E/PT)
Design Notes
Decouple every VDD/VSS pair with 0.1uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 10uF capacitor near the 64-TQFP. The 60 MIPs core creates fast supply transients; a shared long ground return will couple switching noise into the ADC. Keep the analog supply pin filtered per the datasheet power section, and enable the brown-out reset for automotive robustness.
Route CAN and PWM high-current traces away from analog sense lines feeding the ADC. Place the crystal and its load capacitors close to the oscillator pins with a local ground guard ring. For the PTG-driven ADC sampling used in motor control, use a solid ground plane under the analog front end and star-connect the power-ground reference to minimize ground bounce on current-sense inputs.
Do not confuse the dsPIC33EP instruction rate: 60 MIPs corresponds to Fcy = 30 MHz (Fosc/2), so PLL dividers must be computed for Fosc = 120 MHz, not 60 MHz. Also budget FLASH for the DSP math library and bootloader before committing to the 128KB density - the DSPIC33EP256GP506-E/PT is a pin-compatible escape if code grows. Verify I/O 5V tolerance per pin before interfacing with 5V sensors.
Estimated: at typical 60 mA full-speed core current from 3.3V, dissipation is about 0.2W. The 64-TQFP (10x10 mm) theta-JA on a standard 4-layer board supports this with a junction rise of roughly 15-20C over ambient, keeping -E grade parts well inside the +125C limit at 85C ambient. Only extreme I/O loading (many high-current outputs) requires copper-pour enhancement.
Compliance Information
AEC-Q100 qualified and automotive-rated per DigiKey and Microchip USA listings. RoHS/lead-free status from distributor listings; REACH, halogen-free and conflict-minerals declarations should be requested from Microchip directly.
