DSPIC33EP32GP503-E/TL - 16-bit DSC 32KB Flash 60MIPS | Microchip
MPN: DSPIC33EP32GP503-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.9 | $4.90 |
| 10 | $4.45 | $44.50 |
| 100 | $3.95 | $395.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.15 | $3,150.00 |
DSPIC33EP32GP503-E/TL Overview
A digital signal controller combines the compute architecture of a 16-bit microcontroller with the peripheral set of a digital signal processor, occupying a middle tier in the power-management-to-processing hierarchy of embedded systems. DSCs such as the dsPIC33EP family execute single-cycle MAC and DSP instructions while retaining MCU-style interrupt, peripheral, and programming models, making them the standard choice where control-loop intelligence meets real-time signal processing.
Key features include high-speed PWM outputs for precision motor control and power conversion, integrated analog: on-chip op amps, comparators, and a 10/12-bit ADC, plus a CAN module for networked applications. Per FindIC distributor data, the device lists OpAmps, Comparators, PTG (Programmable Timing Generator), and CAN among its peripherals. The dsPIC33EP core is supported by Microchip MPLAB X IDE and XC16 compiler toolchain with full in-circuit debug via PICkit and ICD hardware.
The architecture operates from a 3.3V supply, uses pipelined instruction execution at 60 MIPS, and integrates DSP engine features including 40-bit accumulators and modulo/dual-addressing modes for FIR filters and control algorithms. The exposed-pad 36-VTLA package improves thermal performance and signal integrity for dense boards.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (PFC, LLC), automotive body and comfort modules, industrial sensing, and embedded control with CAN connectivity.
Design consideration: budget the Flash carefully - 32KB suits compact control firmware; if code grows, pin-compatible 64KB siblings in the same 36-pin package allow migration without PCB rework.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32GP503-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 DSPIC33EP32GP503-E/TL (same form factor and footprint) — differing in Package, Core, RAM, CAN, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GP503-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EP64GP503-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.48 / Unit
View Datasheet →DSPIC33EP64GP503-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.51 / Unit
View Datasheet →DSPIC33EP32GP503-E/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP, 16-bit DSC |
| Program Memory Size | 32KB (10.7K x 24) Flash |
| RAM Size | 4KB |
| Performance | 60 MIPS |
| Operating Frequency | Up to 70 MHz |
| Supply Voltage | 3.3 V |
| Pin Count | 36 |
| Package | 36-VTLA (5x5 mm) exposed pad |
| Peripherals | Hi-Speed PWM, Op Amps, Comparators, PTG, CAN |
| Operating Temperature Range | -40C to +125C (E grade) |
| Qualification | Automotive, AEC-Q100 |
| Series | dsPIC 33EP |
| Mounting Type | Surface Mount |
| Communication Interfaces | CAN, UART, SPI, I2C |
| RoHS Status | Compliant |
DSPIC33EP32GP503-E/TL 36-vtla (5x5 mm) exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP32GP503-E/TL (36-vtla (5x5 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 DSPIC33EP32GP503-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GP503-E/TL is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies (PFC / LLC / DC-DC), Automotive Body and Comfort Modules, Industrial Sensing and Signal Processing, Networking and CAN-Connected Control Nodes, Consumer and Appliance Embedded Control.
BLDC / PMSM Motor Control
The DSPIC33EP32GP503-E/TL fits sensorless and sensored motor drives because its high-speed PWM module provides complementary outputs with programmable dead time, while 60 MIPS of dsPIC33EP core throughput executes field-oriented control loops at switching frequencies of 20-50 kHz with margin. Integrated on-chip op amps condition shunt-current feedback without external amplifiers, and comparators support cycle-by-cycle overcurrent limiting in hardware. In a typical BLDC drive the controller reads current and position via the ADC, runs PI or FOC algorithms in the ISR, and updates PWM duty within one switching period. The 32KB Flash accommodates complete FOC firmware including startup, protection, and communication. The CAN bus enables networked motor nodes in automotive and industrial systems.
Recommended
Digital Power Supplies (PFC / LLC / DC-DC)
Digital power conversion benefits directly from this DSC's architecture: the high-speed PWM supports phase-shifted and complementary topologies with dead-time and fault trip inputs, and 60 MIPS sustains voltage- and current-loop execution at 50-200 kHz control rates for LLC and PFC stages. The on-chip comparators implement hardware overcurrent protection that acts within microseconds, faster than any software loop, while the op amps amplify current-shunt signals for the ADC. The -40C to +125C AEC-Q100 rating suits telecom rectifiers and automotive onboard chargers that see high ambient temperatures. Firmware-based control also enables adaptive burst mode, telemetry via CAN/UART, and field tuning without hardware changes, reducing BOM versus analog-control alternatives.
Recommended
Automotive Body and Comfort Modules
The AEC-Q100 qualification and -40C to +125C range of the DSPIC33EP32GP503-E/TL make it appropriate for under-hood and high-temperature automotive zones such as lighting control, pump and fan modules, HVAC actuators, and window/wiper motor drivers. The integrated CAN interface connects the module to vehicle networks (with an external transceiver), while the op amps and comparators handle lamp-current monitoring and load-dump-protected sensing front ends. The high-speed PWM drives LED headlights or motor H-bridges with precise dimming and speed control. The 36-pin 5x5 mm VTLA package conserves PCB area in dense modules, and the E-grade extended temperature rating derates safely in engine-bay ambient conditions where +85C-rated parts fail.
Recommended
Industrial Sensing and Signal Processing
With 60 MIPS, DSP multiply-accumulate instructions, 40-bit accumulators, and integrated analog, the DSPIC33EP32GP503-E/TL serves as a complete sensor signal chain: the op amps amplify bridge or shunt signals, the ADC digitizes them, and on-chip DSP routines perform FIR/IIR filtering, RMS computation, and frequency analysis without an external processor. This suits load-cell and pressure transmitters, vibration monitors, and ultrasonic flow sensors. The PTG peripheral automates triggered ADC sampling sequences, freeing CPU cycles for computation. Industrial temperature availability (-I/TL variant) and CAN networking let the same design serve factory-floor sensor nodes; the 3.3V supply interfaces cleanly with standard industrial analog front ends and isolated communication transceivers.
Recommended
Networking and CAN-Connected Control Nodes
The integrated CAN module of the DSPIC33EP32GP503-E/TL makes it a compact networked controller for CANopen- and J1939-style nodes in vehicles, elevators, agricultural machinery, and building automation. The dsPIC33EP core executes CAN stack services, application logic, and local PWM/actuator control concurrently on one chip, replacing MCU-plus-transceiver-controller combinations. With 32KB Flash, a lean J1939 or CANopen profile plus application code fits comfortably; the 64KB DSPIC33EP64GP503 in the same package covers heavier protocol stacks. The -40C to +125C rating supports sealed enclosures with limited airflow. UART and SPI interfaces add RS-485 or local sensor expansion alongside the CAN backbone, making the part a single-chip node controller.
Recommended
Consumer and Appliance Embedded Control
For appliance and consumer equipment control - air conditioners, refrigerators, blower fans, and induction cooking - the DSPIC33EP32GP503-E/TL combines motor PWM, sensor ADC channels, and user-interface resources on one chip. The high-speed PWM runs variable-speed compressor and fan motors efficiently, meeting energy-regulation requirements, while the op amps enable zero-cross detection and current sensing for induction and inverter-drive designs. The 5x5 mm VTLA package and 3.3V operation fit compact control boards, and the extended E-grade temperature covers enclosed, warm chassis conditions. Flash-based memory permits field firmware updates in production via UART bootloader, and CAN/UART links support connectivity modules for smart-appliance ecosystems without adding a communication MCU.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GP503-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP503-I/TL | DSPIC33EP64GP503-E/TL | DSPIC33EP32GP502T-E/SO |
|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | SOIC-28 - different, PCB rework |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 32KB (10.7K x 24) | 32KB (10.7K x 24) | 64KB | 32KB (10.7K x 24) |
| Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Pin Count | 36 | 36 | 36 | 28 |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Automotive / AEC-Q100 | Yes | Standard industrial grade | Yes | Yes |
Key Differentiators
- Extended -40C to +125C automotive rating (vs DSPIC33EP32GP503-I/TL)
- Code headroom via pin-compatible 64KB sibling (vs DSPIC33EP32GP503-I/TL)
- More I/O in same family (vs DSPIC33EP32GP502T-E/SO)
Design Notes
The dsPIC33EP core runs from a 3.3V rail with tight ripple tolerance; decouple every VDD pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus one 4.7-10uF bulk capacitor near the device. Keep the AVDD/AVSS analog supply domain separate on the PCB with an RC or ferrite filter (e.g., ferrite bead plus 10uF) so PWM switching noise does not degrade ADC accuracy and op amp performance. The exposed thermal pad on the 36-VTLA package is the VSS return - solder it to a solid ground plane both for thermal relief and to reduce ground bounce during simultaneous PWM switching.
On the 5x5 mm QFN footprint, define the thermal pad land pattern slightly larger than the pad with via arrays (4-9 vias) stitching to the internal ground plane for reliable reflow wetting. Route high-speed PWM outputs away from analog sensor traces and the oscillator circuit; use ground guard traces around the analog front end feeding the on-chip op amps. If using the internal oscillator, keep a clean layout around OSC1/OSC2 when an external crystal is fitted. Follow Microchip's dsPIC33EP family PCB layout guidelines in the datasheet's design section for footprint dimensions per IPC land-pattern practice.
Two frequent mistakes with this device: first, underestimating Flash - 32KB fills quickly with FOC algorithms plus a CAN stack; plan a migration path to the pin-compatible DSPIC33EP64GP503 early and verify the linker map headroom. Second, using the -I/TL part in an application that exceeds +85C - only the -E/TL grade is rated to +125C, and standard-grade parts in hot enclosures are a latent reliability failure. Also remember that configuration-bit settings (oscillator source, watchdog, PWM polarity) live in flash config words; verify them in MPLAB X before mass programming to avoid field rework.
Compliance Information
Distributor listings classify the part as Automotive, AEC-Q100 qualified. RoHS/lead-free status per Microchip standard product; REACH and halogen-free status not stated in provided data.
