DSPIC33EP128GP504T-E/TL - 16-bit 60 MIPS DSC 128KB | Microchip
MPN: DSPIC33EP128GP504T-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.55 | $55.50 |
| 100 | $4.92 | $492.00 |
| 500 | $4.48 | $2,240.00 |
| 1,000 | $4.05 | $4,050.00 |
DSPIC33EP128GP504T-E/TL Overview
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP on a single die. Within the power-management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33EP family a popular choice for closed-loop control systems that need fast interrupt latency, hardware multiply-accumulate, and rich peripherals on one chip.
Key features include the 16-bit dsPIC33E CPU running at 60 MIPS, CAN 2.0B for automotive networking, I2C, SPI, UART/USART with IrDA and LINbus support, a 12-bit high-speed ADC, PWM outputs, DMA, CTMU for touch/timing, and on-chip peripherals such as brown-out detect/reset, power-on reset, and a watchdog timer. The extended (E) temperature grade guarantees operation up to +125C junction.
Architecturally, the dsPIC33E core uses a modified Harvard pipeline with DSP instruction extensions (MAC, DSP multiply), peripheral trigger generation, and ECC-protected Flash for functional safety-oriented designs. The exposed-pad VTLA package improves thermal dissipation and ground integrity for high-frequency switching loads.
Typical applications include automotive body and powertrain auxiliaries, brushless DC and PMSM motor control, industrial automation nodes on CAN or LIN, digital power supplies, and sensor-conditioning systems.
Design consideration: validate that 8KB of RAM accommodates your control loops and communication buffers; larger-buffered designs should step up within the same family.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, verified against web data as of 2026-09-23.
Drop-in alternatives for DSPIC33EP128GP504T-E/TL — 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 DSPIC33EP128GP504T-E/TL (same form factor and footprint) — differing in Core, Package, Packaging, Program Memory, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128GP504-I/TL
✅ Drop-In✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC33EP128GP504T-I/TL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128GP504-E/TL
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP256GP504T-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GP504T-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP128GP504T-E/TL Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33E RISC |
| Core Speed | 60 MIPS |
| Program Memory | 128KB (43K x 24) Flash with ECC |
| RAM | 8KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C (Extended, E grade) |
| Package | 44-VTLA (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT, CTMU |
| Automotive Qualification | Automotive-grade (AEC-Q100 per Microchip USA listing) |
| Data Bus Width | 16 bit |
| Packaging | Tape & Reel (T/) |
| Program Memory Type | FLASH |
| Oscillator | Internal oscillator |
DSPIC33EP128GP504T-E/TL 44-vtla (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP128GP504T-E/TL (44-vtla (6x6 mm), 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 DSPIC33EP128GP504T-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128GP504T-E/TL is suitable for 6 applications: Automotive Body Control Modules, Brushless DC and PMSM Motor Control, Industrial Automation and CAN/LIN Nodes, Digital Power Supplies and Converters, Sensor Conditioning and Data Acquisition, Medical and Portable Instrumentation.
Automotive Body Control Modules
The DSPIC33EP128GP504T-E/TL fits automotive body and convenience modules because it combines an automotive-grade extended-temperature rating (-40C to +125C) with CAN 2.0B and LINbus on the same die. Its 60 MIPS core handles lamp sequencing, wiper control, and door-zone state machines with deterministic interrupt latency, while ECC-protected 128KB Flash safeguards firmware integrity in electrically noisy vehicle environments. The 44-pin VTLA 6x6 mm exposed-pad package gives sufficient GPIO for switch matrices, relays, and LED drivers in a compact footprint. Placing the controller on the CAN/LIN gateway with the on-chip CTMU for capacitive touch switches removes external analog components; the main trade-off is 8KB of RAM, which caps very large message buffering in gateway-heavy topologies.
Recommended
Brushless DC and PMSM Motor Control
Motor control is a primary use case for the dsPIC33EP general purpose family: the 60 MIPS core executes field-oriented control loops with single-cycle DSP multiply-accumulate instructions, and dedicated PWM peripherals generate complementary outputs with dead-time control. The high-speed 12-bit ADC can sample phase currents synchronized to the PWM period, while DMA moves results without CPU intervention, keeping loop jitter low. The DSPIC33EP128GP504T-E/TL's extended -40C to +125C rating suits motor-drive enclosures mounted near power stages where ambient temperature rises. With 128KB Flash, sensorless observers and startup routines fit comfortably; designers should budget the 8KB RAM carefully when running multiple control loops plus a communication stack on CAN or UART.
Recommended
Industrial Automation and CAN/LIN Nodes
In factory automation, the DSPIC33EP128GP504T-E/TL serves as an intelligent sensor or actuator node: SPI and I2C interface ADCs, encoders, and EEPROMs, while the integrated CAN controller links the node to the factory network through an external transceiver such as the MCP2551. The 60 MIPS core executes protocol stacks, filtering, and local closed-loop control concurrently, and the Peripheral Trigger Generator can automate ADC sampling tied to timer events for deterministic measurement. Its industrial-grade robustness features - brown-out reset, watchdog timer, and power-on reset - reduce external supervision circuitry. The extended temperature grade also allows deployment in hot cabinets; the compact 6x6 mm 44-pin package keeps node PCBs small.
Recommended
Digital Power Supplies and Converters
Switching converters benefit from the dsPIC33EP's fast 12-bit ADC, high-resolution PWM, and DSP core: the DSPIC33EP128GP504T-E/TL can implement voltage-mode or average-current-mode control for LLC, buck, or PFC stages at switching frequencies in the hundreds of kilohertz. PWM special events trigger ADC sampling at the optimal point in each switching cycle, and DMA streams current/voltage samples into RAM with minimal latency. The 60 MIPS core leaves headroom for nonlinear control laws, soft-start sequencing, and fault management. The exposed-pad VTLA package improves ground integrity for the mixed-signal layout, and the -40C to +125C rating covers outdoor telecom and automotive power environments.
Recommended
Sensor Conditioning and Data Acquisition
The on-chip CTMU (Charge Time Measurement Unit) plus 12-bit ADC make the DSPIC33EP128GP504T-E/TL a compact sensor-conditioning hub: capacitive or resistive sensor excitation is generated internally, sampled synchronously, and averaged with the DSP core's arithmetic throughput. SPI and I2C ports extend the system with precision ADCs and digital sensors, while IrDA-capable UARTs and CAN stream results upstream. The 128KB Flash holds calibration tables and linearization curves, and ECC protects them against bit corruption in electrically harsh settings. Typical deployments include pressure and flow transmitters, capacitive touch panels, and portable instrumentation where the 3.3V, 44-pin 6x6 mm package keeps overall size and power low.
Recommended
Medical and Portable Instrumentation
Portable diagnostic instruments use the DSPIC33EP128GP504T-E/TL where deterministic signal processing meets modest power: the 60 MIPS DSP core runs filtering and FFT-style analysis on sensor channels, while low-power modes extend battery life between measurements. The internal oscillator removes an external crystal for cost- and space-sensitive handheld designs, and the 3.3V supply simplifies integration with battery management front ends. The extended -40C to +125C rating supports autoclavable or sterilizing-adjacent enclosures, and the 44-pin VTLA package provides enough I/O for displays, keypads, and USB-bridge or UART links. Designers should validate the 8KB RAM against buffering needs for multi-channel waveform capture.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128GP504T-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128GP504-I/TL | DSPIC33EP128GP504T-I/TL | DSPIC33EP256GP504T-E/TL |
|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Program Memory | 128KB Flash | 128KB Flash | 128KB Flash | 256KB Flash |
| RAM | 8KB | 8KB | 8KB | 16KB (per family memory variants) |
| Temperature Range | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C |
| CAN / LIN Connectivity | Yes (CAN 2.0B, LINbus) | Yes | Yes | Yes |
| Automotive Grade | Yes (E grade) | Industrial grade | Industrial grade | Yes (E grade) |
Key Differentiators
- Extended +125C automotive-grade operation (vs DSPIC33EP128GP504T-I/TL)
- ECC-protected Flash for functional robustness (vs DSPIC33EP64GP504T-E/TL)
- Cost-optimized memory option available in same footprint (vs DSPIC33EP256GP504T-E/TL)
Design Notes
The 44-VTLA package has an exposed pad that must be soldered to a grounded copper pour on the PCB. This pad provides the primary ground return and thermal path; an unsoldered or voided pad raises ground impedance and junction temperature. Use a 3x3 or 4x4 via array under the pad to tie it to internal ground planes, following Microchip's surface-mount layout guidance in the dsPIC33EP family datasheet. Keep crystal or oscillator traces short if an external clock is used, and isolate analog ADC traces from PWM switching nodes.
The device operates from a 3.3V supply. Decouple each VDD pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7uF to 10uF capacitor near the package. If CAN is used, budget transient current for the transceiver separately; the MCU supply itself is modest but PWM-driven loads can induce supply ripple that shows up as ADC noise. Consider a ferrite bead between a shared 3.3V rail and the MCU supply in mixed motor-control designs to preserve ADC accuracy.
Do not assume pin functions are fixed: the dsPIC33EP uses Peripheral Pin Select (PPS) for many digital functions, so CAN, UART, and PWM mappings must be configured in firmware at reset. Also verify the 8KB RAM budget early - a TCP/CAN gateway stack plus double-buffered ADC DMA can exhaust it, and linker overflow appears only at build time. Finally, when substituting the -I grade for the -E grade, re-verify the worst-case enclosure temperature; industrial parts are not qualified above +85C.
Compliance Information
Microchip USA describes the part as automotive-grade, implying AEC-Q100 family qualification; RoHS/REACH status was not stated in the provided web data - confirm on Microchip's official product page.
