DSPIC33EP32GP504T-I/PT - 16-bit DSC 70 MIPS 32KB Flash | Microchip
MPN: DSPIC33EP32GP504T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.15 | $3.15 |
| 10 | $2.89 | $28.90 |
| 100 | $2.6 | $260.00 |
| 500 | $2.35 | $1,175.00 |
| 1,000 | $2.15 | $2,150.00 |
DSPIC33EP32GP504T-I/PT Overview
A digital signal controller combines the computational architecture of a digital signal processor (fixed-point DSP engine, hardware multiply-accumulate) with the peripheral integration and control peripherals of a microcontroller. Within the power management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice for control loops that demand both fast math and rich peripherals.
Key features of this device include the 16-bit dsPIC33E CPU core running at up to 70 MIPS from internal PLL, CAN 2.0B communication for industrial networking, a Charge Time Measurement Unit (CTMU), integrated operational amplifiers and comparators, a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing, four DMA channels, and five timers. These peripherals reduce external component count in analog-front-end and motor-control designs.
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP instruction support (MAC, DSP multiply), enabling single-cycle fixed-point arithmetic ideal for filters and control algorithms. Flash-based program memory supports in-circuit self-programming via ICSP for field updates.
Typical applications include industrial automation and motor control, automotive control subsystems (an E-temperature AEC-Q100 variant exists), consumer electronics, and sensor-processing nodes where CAN connectivity and DSP throughput are required.
Design consideration: keep the supply rail within the 3V to 3.6V operating window and follow the Microchip datasheet decoupling guidance with low-ESR ceramics on all VDD/VDDCORE pins.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and AEO-optimized FAQs not found on the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP32GP504T-I/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 DSPIC33EP32GP504T-I/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Program Memory (Flash), Packaging.
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DSPIC33EP32GP504-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32GP504T-E/PT
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DSPIC33EP32GP504T-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64GP504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP32GP503T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GP504T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E |
| Max Core Speed | 70 MIPS |
| Max Clock Frequency | 60 MHz (distributor listing) / up to 70 MIPS core |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 44-TQFP (10x10 mm) |
| Pin Count | 44 |
| Mounting Type | Surface Mount |
| CAN | CAN 2.0B |
| Timers | 5 |
| DMA Channels | 4 |
| Analog Peripherals | Op Amps, Comparators, CTMU, ADC |
| Peripheral Trigger Generator | Yes (PTG) |
| Series | dsPIC33EP (General Purpose) |
| Packaging Suffix | T = Tape and Reel |
| RoHS Status | Compliant (per distributor listings) |
| Projected End of Life | October 3, 2048 (per Lisleapex) |
DSPIC33EP32GP504T-I/PT 44-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32GP504T-I/PT (44-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 DSPIC33EP32GP504T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GP504T-I/PT is suitable for 6 applications: Industrial Automation and Motor Control, Automotive Control Subsystems, CAN-Networked Sensor Nodes, Digital Power Conversion, Consumer Appliances and White Goods, Portable Instrumentation and Data Loggers.
Industrial Automation and Motor Control
The DSPIC33EP32GP504T-I/PT fits motor-driven industrial equipment because its 70 MIPS 16-bit DSP core executes field-oriented-control and PI loop arithmetic in single-cycle MAC operations, while integrated op amps and high-speed ADC sampling handle current-sense signal chains without external amplifiers. In a typical BLDC or PMSM drive, the four DMA channels stream ADC current samples to RAM while the CPU closes the control loop, and the CAN 2.0B peripheral links the drive to a factory network. The industrial -40C to +85C grade covers cabinet environments, and the 44-TQFP footprint allows hand-reviewable routing of the power and sense signals.
Recommended
Automotive Control Subsystems
For automotive nodes such as body-control functions, sensor conditioning, and small actuator control, the extended-temperature DSPIC33EP32GP504T-E/PT variant (AEC-Q100 qualified, -40C to +125C) shares the exact 44-TQFP footprint of this industrial part, letting one PCB design serve both commercial and automotive builds. The CAN 2.0B peripheral with DMA provides the in-vehicle networking backbone, while the CTMU supports capacitive-touch and time-domain sensor measurements. Designers should verify supply tolerance to the 3V-3.6V window under load-dump conditions with a suitable automotive regulator, and reserve the ICSP pins for end-of-line programming.
Recommended
CAN-Networked Sensor Nodes
Distributed sensing in factories and vehicles benefits from the DSPIC33EP32GP504T-I/PT because it merges the CAN 2.0B controller, four DMA channels, and analog peripherals (op amps, comparators, CTMU, ADC) in one 44-pin TQFP. A typical node conditions analog sensor signals through the integrated op amp into the ADC, time-stamps or filters samples in the DSP core, and ships them over CAN with minimal CPU overhead thanks to DMA. At 70 MIPS there is ample headroom for local decision logic, and the -40C to +85C rating plus 3V-3.6V operation suits bus-powered modules built around a 3.3V rail.
Recommended
Digital Power Conversion
Switching power supplies, PFC stages, and DC-DC converters need precisely timed control loops, and the DSPIC33EP32GP504T-I/PT delivers this with its 70 MIPS core, high-resolution PWM outputs, fast ADC, and the Peripheral Trigger Generator that synchronizes ADC sampling to the PWM period autonomously. Single-cycle DSP math runs the compensator at hundreds of kHz of loop bandwidth, while comparators provide cycle-by-cycle overcurrent protection in hardware, independent of firmware latency. The 44-TQFP 10x10 mm package keeps the controller compact on the power board, and the industrial temperature grade covers enclosed converter environments.
Recommended
Consumer Appliances and White Goods
Appliance control boards - fan motors, pumps, heaters, user interfaces - use the DSPIC33EP32GP504T-I/PT for its balance of cost and performance: 32KB Flash holds full application plus bootloader, the CTMU enables low-cost capacitive touch buttons without dedicated ICs, and integrated op amps and comparators reduce BOM count on sensor inputs. The 3.3V-only supply simplifies power design alongside other modern ICs, while the 44-TQFP provides enough I/O for displays, relays, and communication. Flash self-programming via ICSP supports field firmware updates through the existing CAN or UART link during service.
Recommended
Portable Instrumentation and Data Loggers
Handheld and bench instruments use the DSPIC33EP32GP504T-I/PT where DSP throughput on sampled data matters: the 70 MIPS core implements IIR/FIR filtering and FFT windows on ADC streams, while four DMA channels move samples without CPU intervention to reduce power. The 44-TQFP package offers sufficient I/O for LCD segments, keypad scanning via CTMU, SPI flash storage, and a USB-bridge or UART link. Operation from 3V to 3.6V matches a single lithium cell with an LDO, and flash self-programming lets logged data or calibration tables persist in unused program memory under firmware control.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GP504T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP504-I/PT | DSPIC33EP32GP504T-E/PT | DSPIC33EP32GP504T-E/PTVAO | DSPIC33EP32GP503T-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 60 MHz (listing) | 70 MIPS |
| Flash Memory | 32 KB (10.7K x 24) | 32 KB | 32 KB | 32 KB | 16 KB (-50%) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C |
| AEC-Q100 Qualification | Not qualified (I grade) | Not qualified | AEC-Q100 qualified | Automotive variant | Not qualified |
| Packaging | Tape and Reel (T suffix) | Tray | Tape and Reel | Tape and Reel | Tape and Reel |
Key Differentiators
- Extended-temperature and AEC-Q100 drop-in option (vs DSPIC33EP32GP504T-E/PT)
- Same die, tape-and-reel production packaging (vs DSPIC33EP32GP504-I/PT)
- Integrated analog plus CAN 2.0B on a 70 MIPS DSP core (vs DSPIC33EP32GP503T-I/PT)
Design Notes
Supply the DSPIC33EP32GP504T-I/PT from a regulated 3.3V rail held within the 3V-3.6V datasheet window; the dsPIC33EP core also requires the dedicated VDDCORE/VCAP network - place the datasheet-specified low-ESR capacitor directly at the VCAP pin because internal LDO stability depends on it. Decouple every VDD pin with 100nF ceramics plus bulk capacitance near the 44-TQFP. Estimated: at 70 MIPS with typical loading, expect core current in the tens of mA range per Microchip family characterization; budget your 3.3V regulator accordingly with margin for peripheral switching loads.
On the 10x10 mm 44-TQFP footprint, group the oscillator crystal and its load capacitors within a few millimeters of OSC1/OSC2 and guard them with a ground pour to minimize jitter on the PLL-driven 70 MIPS clock. Route ICSP (PGEC/PGED) to a standard 5-pin header even in production - field firmware updates and debug rely on it. Keep CAN transceiver routing (TXCAN/RXCAN) short and place the MCP2551-family transceiver and its split termination close to the pins. Use Peripheral Pin Select (PPS) assignments early in layout to avoid cross-routing analog and fast digital traces.
Common mistakes with dsPIC33EP parts: (1) omitting or undersizing the VCAP core capacitor, which causes brown-out resets at high clock rates; (2) assuming 5V tolerance - this is a 3V-3.6V-only device, so level-shift or current-limit any 5V signals; (3) forgetting that PPS pin mapping must be configured in firmware before UART/SPI/Peripheral Pin functions appear on physical pins; (4) leaving configuration-bit settings (watchdog, oscillator source, code protection) at defaults instead of defining them explicitly in the XC16 project. Review the Microchip family datasheet configuration-bit tables before first silicon bring-up.
Compliance Information
RoHS compliant and lead free per DigiKey/Mouser/LCSC distributor listings. The I-grade base part is not AEC-Q100 qualified; the DSPIC33EP32GP504T-E/PT variant is described as AEC-Q100 qualified by Microchip USA. Formal REACH and conflict-minerals declarations should be requested from Microchip's product compliance portal.
