DSPIC33EP32GP503T-E/TL - 16-bit 60 MIPs DSC 32KB Flash | Microchip
MPN: DSPIC33EP32GP503T-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 25 | $3.94 | $98.50 |
| 100 | $3.55 | $355.00 |
| 1,000 | $2.92 | $2,920.00 |
DSPIC33EP32GP503T-E/TL Overview
A Digital Signal Controller combines the computational architecture of a digital signal processor - including a DSP engine with multiply-accumulate (MAC) instructions, barrel shifter, and modulo addressing - with the peripheral set of a microcontroller. In the system hierarchy, a DSC sits between a general-purpose microcontroller and a dedicated DSP: it executes real-time control loops (motor control, digital power, filtering) while handling communications and general I/O tasks on a single chip. Microchip's dsPIC33E family is the successor to the dsPIC30F/33F lines, manufactured on a process supporting up to 70 MIPS core speeds.
Key features of this device include the 60 MIPs 16-bit dsPIC core, integrated CAN 2.0B controller, and the extended (-E) temperature grade qualified per AEC-Q100 for automotive environments. Connectivity peripherals span CANbus, I2C, SPI, UART/USART, IrDA, and LINbus, enabling multi-protocol node designs without external transceivers beyond the physical layer.
Architecturally, the dsPIC33E core pairs a 16-bit RISC pipeline with a dedicated DSP module that executes single-cycle MAC operations, supporting real-time digital filtering and control algorithms. The Peripheral Trigger Generator (PTG) automates ADC-triggering sequences offloading the CPU, while the Charge Time Measurement Unit (CTMU) supports capacitive touch and precision time measurement.
Typical applications include automotive body and comfort nodes, industrial motor control and digital power supplies, and sensor acquisition systems where the CAN interface, DSP math capability, and small 5x5 mm VTLA footprint are decisive.
Design consideration: as a 3.3V device, level-shifting is required when interfacing with 5V peripherals, and the thin QFN package demands a well-defined exposed-pad copper area for grounding and heat spreading.
This page synthesizes verified distributor data, drop-in same-family alternatives, AEO-optimized FAQs, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32GP503T-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 DSPIC33EP32GP503T-E/TL (same form factor and footprint) — differing in Package, Operating Temperature, Packaging, Supply Voltage, CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GP503T-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.79 / Unit
View Datasheet →DSPIC33EP64GP503T-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.9 / Unit
View Datasheet →DSPIC33EP256MC504T-I/TL
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP32GP503T-E/TL Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC 33EP (16-bit) |
| Core Size | 16-bit |
| Speed | 60 MIPs |
| Program Memory Type | FLASH |
| Program Memory Size | 32KB (10.7K x 24) |
| RAM Size | 2KB |
| Supply Voltage | 3.3 V |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Package | 36-VTLA (5x5 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (Extended, -E suffix) |
| Qualification | AEC-Q100 qualified |
| Packaging | Tape & Reel (T suffix) |
| Product Family | dsPIC33EP General Purpose DSC |
| DSP Engine | Yes (single-cycle MAC, DSP instructions) |
DSPIC33EP32GP503T-E/TL 36-vtla (5x5 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32GP503T-E/TL (36-vtla (5x5 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 DSPIC33EP32GP503T-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GP503T-E/TL is suitable for 6 applications: Automotive Body and Comfort Nodes, Industrial Motor Control, Digital Power Supplies, Sensor Acquisition and Conditioning, Industrial Networking and Communication Nodes, Portable and Handheld Instruments.
Automotive Body and Comfort Nodes
The DSPIC33EP32GP503T-E/TL fits automotive body-electronics nodes because it combines AEC-Q100 qualification with the extended -40C to +125C operating range demanded by under-hood and cabin electronics. Its integrated CAN 2.0B controller plus LINbus and I2C peripherals let a single 5x5 mm chip serve as a gateway between the vehicle CAN bus and local sensor/actuator buses. The 60 MIPs DSP core handles signal conditioning - such as filtering of resistive or capacitive sensor inputs - while the 32KB FLASH accommodates protocol stacks. Using the -E grade removes the derating risk that standard +85C parts face near heat sources like lamps and motors.
Recommended
Industrial Motor Control
Digital motor control benefits directly from this DSC's single-cycle MAC DSP engine, which executes field-oriented control and Clarke/Park transform math at 60 MIPs without external assist. The 12-bit ADC (triggered by the Peripheral Trigger Generator) samples phase currents with deterministic latency, and the 36-pin VTLA footprint allows compact inverter drive boards. The 2KB RAM holds control-loop state and filters, while CAN enables connection to factory automation networks. For designs that outgrow 32KB FLASH, the same-footprint DSPIC33EP256MC504T-I/TL with motor-control PWM offers a migration path without PCB respin.
Recommended
Digital Power Supplies
Switching power converters need fast, deterministic control loops; the dsPIC33EP core at 60 MIPs closes voltage- and current-mode loops with cycle-level PWM updates. The DSP engine computes compensator equations in few cycles, and the ADC trigger synchronization keeps sampling phase-locked to the PWM period, minimizing control jitter. The 3.3V 36-pin VTLA device integrates easily into small form-factor AC/DC and DC/DC modules, while CAN or UART provides digital telemetry to system supervisory controllers. Extended -E temperature rating suits power stages mounted near hot components inside industrial enclosures.
Recommended
Sensor Acquisition and Conditioning
In multi-sensor nodes, the DSPIC33EP32GP503T-E/TL handles simultaneous analog sampling (via its internal ADC), digital filtering, and data packetization over CAN, SPI, or UART. The CTMU (Charge Time Measurement Unit) adds capacitive-touch and precision time-interval measurement without external analog front-ends, and IrDA plus UART cover legacy industrial sensor buses. Its 2KB RAM supports ring-buffered acquisition while the DSP engine applies FIR/IIR filters in real time. The 5x5 mm VTLA package allows dense sensor-board layouts, and AEC-Q100 extended-temperature qualification tolerates harsh factory and vehicle environments.
Recommended
Industrial Networking and Communication Nodes
The device's CANbus, LINbus, I2C, SPI, and dual UART (with IrDA and DMA) peripherals make it a strong protocol-conversion node: for example, bridging a vehicle CAN network to an RS-232 service port, or terminating a LIN cluster. The 60 MIPs core runs multiple protocol stacks concurrently with headroom for application logic, and 32KB FLASH holds CANopen- or J1939-style stacks for compact nodes. On this page's verified data, connectivity is explicitly listed as CANbus, I2C, IrDA, LINbus, SPI, and UART/USART, making multi-protocol designs possible on a single 36-pin chip without glue logic.
Recommended
Portable and Handheld Instruments
Handheld test tools and battery-powered instruments benefit from the small 5x5 mm VTLA footprint, 3.3V single-supply operation, and integrated peripherals that reduce BOM count: UART/SPI for displays and memory cards, I2C for sensors, and DSP capability for on-device waveform math. The 16-bit core at 60 MIPs processes FFTs and calibration routines quickly enough for interactive use, while 32KB FLASH stores application and UI code. Extended-temperature qualification adds robustness margin even in consumer-grade products exposed to sunlight or vehicle cabins. Tape-and-reel packaging supports automated mid-volume assembly.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GP503T-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP503T-I/TL | DSPIC33EP64GP503T-I/TL | DSPIC33EP256MC504T-I/TL |
|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPs | 60 MIPs | 60 MIPs | 60 MIPs |
| Program Memory (FLASH) | 32KB (10.7K x 24) | 32KB (10.7K x 24) | 64KB (21.5K x 24) | 256KB (86K x 24) |
| RAM | 2KB | 2KB | 8KB (family typical) | 16KB (family typical) |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| AEC-Q100 Qualification | Yes (automotive) | Not extended-grade | Not extended-grade | Not extended-grade |
| Peripheral Focus | General purpose + CAN | General purpose + CAN | General purpose + CAN, more memory | Motor control PWM, audio DAC/ADC, large memory |
Key Differentiators
- Automotive extended-temperature grade in the same footprint (vs DSPIC33EP32GP503T-I/TL)
- Migration path to 8x program memory without PCB respin (vs DSPIC33EP256MC504T-I/TL)
- Integrated CAN on a small 36-pin DSC (vs PIC16LF18857-E/ML)
Design Notes
The 36-VTLA is a thin 5x5 mm QFN with an exposed die pad. Create a copper pad on the PCB matching the datasheet dimensions and connect it to the VSS plane through an array of 4x4 (or denser) vias. Insufficient exposed-pad solder coverage is the most common cause of intermittent ground and thermal failures in QFN-based dsPIC designs. Follow the stencil aperture recommendations in Microchip's QFN soldering application notes, targeting 70-80% pad coverage.
This is a 3.3V device; when interfacing with 5V systems use level shifters or 5V-tolerant configuration checks per the datasheet I/O electrical characteristics. Place a 0.1uF ceramic capacitor at each VDD/VSS pin pair plus one bulk 4.7-10uF capacitor near the device. If the on-chip regulator is used, fit the recommended capacitor on the VCAP pin per the family datasheet - omitting it causes unreliable startup.
Verify the temperature grade before approving the BOM: the -E suffix (+125C, automotive AEC-Q100) and -I suffix (+85C) are the same die, and the -I part is cheaper but will not survive automotive environments. Also confirm configuration-bit settings (oscillator, watchdog, code protection) at design freeze - dsPIC33EP configuration bits live in FLASH configuration words and incorrect oscillator settings are the leading cause of 'dead board' first-power-up issues.
Compliance Information
AEC-Q100 automotive qualification and extended -E temperature grade confirmed by datasheets.com part record. RoHS/REACH/lead-free status not stated in the verified web data - confirm on the Microchip product page.
