DSPIC33EP32MC504T-I/TL - 16-bit DSC 32KB Flash 60MHz | Microchip
MPN: DSPIC33EP32MC504T-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.74 | $374.00 |
| 500 | $3.38 | $1,690.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EP32MC504T-I/TL Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the DSC sits above general-purpose MCUs and below dedicated DSPs, making the dsPIC33 family a category leader for embedded motor control, digital power conversion, and sensing systems that need math acceleration without a separate DSP chip.
Key features of this device include the dsPIC33E core with DSP engine (17-bit x 17-bit single-cycle multiplier, 32-bit accumulator, divide support), motor-control PWM (MCPWM) with complementary outputs and dead-time insertion, quadrature encoder interface (QEI), and a CAN 2.0B module for industrial networking. Analog integration is a headline differentiator: three on-chip operational amplifiers and four analog comparators reduce external component count in current-sense and feedback loops, alongside a 10-bit ADC and 35 general-purpose I/O pins.
Architecturally, the dsPIC33EP family uses an enhanced Harvard pipeline executing from 10.7K x 24-bit instruction-word Flash, with 4 DMA channels and 5 timers to offload the CPU. The device operates from a single 3.0V to 3.6V supply, and the I temperature grade covers -40C to +85C ambient. The /TL ordering code denotes Tape & Reel packaging of the 44-VTLA 6x6 mm exposed-pad option, which provides low inductance and good thermal performance in a compact footprint.
Typical applications include brushless DC and PMSM motor drives (sensorless and encoder-based), digital power supplies and solar inverters, and embedded control in robotics, instrumentation, and consumer appliances where the CAN bus, MCPWM, and integrated analog simplify the bill of materials.
A key design consideration: dsPIC33EP parts require a stable 3.3V rail and careful VDD/VSS decoupling on the exposed pad; also budget Flash carefully, as 32KB fills quickly with motor-control firmware plus CAN stacks.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC504T-I/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 DSPIC33EP32MC504T-I/TL (same form factor and footprint) — differing in Package, Operating Temperature, Packaging, RAM, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC504T-E/TL
✅ Drop-In✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33EP256MC504T-I/TL
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP32MC504-E/MV
✅ Drop-In✓ In Stock
$3.35 / Unit
View Datasheet →DSPIC33EP64MC504T-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC504T-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC504T-I/TL Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33E 16-bit DSC core |
| Core Size | 16-bit |
| Maximum Clock Speed | 60 MHz |
| Flash Program Memory | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| Supply Voltage | 3.0 V to 3.6 V (3.3 V nominal) |
| Package | 44-VTLA (6x6 mm) with exposed pad |
| Number of I/O | 35 |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN Module | CAN 2.0B |
| On-chip Op Amps | 3 |
| Analog Comparators | 4 |
| DMA Channels | 4 |
| Timers | 5 |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel |
| RoHS Status | Compliant |
DSPIC33EP32MC504T-I/TL 44-vtla (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP32MC504T-I/TL (44-vtla (6x6 mm) with 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 DSPIC33EP32MC504T-I/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC504T-I/TL is suitable for 6 applications: BLDC/PMSM Motor Drives, Digital Power Conversion, Industrial Automation and CAN Networking, Robotics and Servo Control, Instrumentation and Measurement, Consumer Appliance Control.
BLDC/PMSM Motor Drives
The DSPIC33EP32MC504T-I/TL fits brushless DC and PMSM motor control because its MCPWM module generates complementary six-step or SVPWM patterns with hardware dead-time insertion, while the quadrature encoder interface decodes position feedback without CPU overhead. The three on-chip op amps buffer low-side shunt currents directly into the 10-bit ADC, enabling field-oriented control loops at multi-kHz bandwidth; the four comparators provide cycle-by-cycle overcurrent trips with sub-microsecond response. Placed as the single controller on the power board, it replaces a separate MCU plus external op-amp signal chain, cutting BOM count. Firmware headroom in 32KB Flash suits single-motor FOC with CAN connectivity for higher-level command interfaces in industrial drives.
Recommended
Digital Power Conversion
In digitally controlled AC-DC, DC-DC, and inverter stages, the DSPIC33EP32MC504T-I/TL closes voltage and current loops in software at switching frequencies of 100 kHz and above. The 60 MHz 16-bit DSP core with single-cycle MAC executes compensator updates deterministically, the MCPWM module provides phase-shifted and complementary outputs with adjustable dead time, and DMA moves ADC samples from the integrated 10-bit converter without CPU intervention. The four comparators implement hardware peak-current limiting independent of firmware latency. Because the analog front end (3 op amps) is on-chip, the feedback network external to the DSC shrinks to dividers and filters, reducing analog BOM cost while retaining firmware-updatable control law changes across product variants.
Recommended
Industrial Automation and CAN Networking
The integrated CAN 2.0B module makes the DSPIC33EP32MC504T-I/TL a natural node controller on industrial CAN buses such as CANopen and DeviceNet deployments. With 35 GPIO lines and 5 timers, one DSC handles node I/O sequencing, sensor polling, and actuator control while the CAN hardware buffers and filters frames autonomously. The 16-bit core at 60 MHz provides enough throughput to run protocol stacks plus application logic within the 32KB Flash footprint, and the extended-temperature /E variant covers harsh cabinet environments. Robotics, factory automation, and building-control nodes benefit from the single-chip integration of motor-control PWM, encoder input, and fieldbus communication that previously required two or more ICs.
Recommended
Robotics and Servo Control
Robot joint and servo controllers pair position feedback with fast current loops, a combination the DSPIC33EP32MC504T-I/TL addresses directly: the QEI decodes incremental encoder signals in hardware, the on-chip op amps condition shunt-resistor currents into the ADC, and the MCPWM drives the H-bridge. Cascaded position-velocity-current loops execute on the 60 MHz DSP core with deterministic interrupt latency, supporting stiff servo response. Four DMA channels stream multiple ADC channels per PWM cycle for three-phase sensing. The 6x6 mm 44-VTLA package suits the dense PCBs typical of robotic joint modules, and the industrial temperature grade plus CAN bus integrate the controller into multi-axis robot networks without extra communication ICs.
Recommended
Instrumentation and Measurement
Portable and bench instruments use the DSPIC33EP32MC504T-I/TL for front-end sequencing, conversion control, and user-interface tasks. The integrated analog array - three op amps and four comparators - implements signal conditioning and window detection without external amplifiers, while the 10-bit ADC with DMA captures waveforms into the 4KB RAM for analysis. The 60 MHz core applies DSP library functions such as FIR filtering and FFT preprocessing in real time. SPI and UART interfaces connect displays, memory, and host links; CAN integrates the instrument into larger test systems. The 3.3V single-supply operation simplifies battery-powered designs, and 35 GPIO lines drive keypads, relays, and indicator hardware directly from the single controller.
Recommended
Consumer Appliance Control
Cost-sensitive appliances - fans, pumps, compressors, and power tools - use sensorless BLDC motors that the DSPIC33EP32MC504T-I/TL drives using back-EMF sensing through its integrated comparators and ADC, eliminating hall sensors. The MCPWM module produces the trapezoidal or sinusoidal drive patterns, and the op amps condition the shunt signal for current limiting. 32KB Flash holds the motor firmware plus touch/serial UI logic, and the single-chip architecture keeps controller BOM cost low. The 6x6 mm VTLA package fits compact appliance mainboards, the industrial temperature grade covers demanding internal environments near heat sources, and pin-compatible Flash upgrades within the dsPIC33EP32MC504 family allow a single PCB to span product tiers with different feature sets.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504T-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC504T-E/TL | DSPIC33EP256MC504T-I/TL | DSPIC33EP32MC504-E/MV | DSPIC33EP64MC504T-I/TL |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB (10.7K x 24) | 32 KB (10.7K x 24) | 256 KB | 32 KB (10.7K x 24) | 64 KB |
| Core Speed | 60 MHz | 60 MHz (60 MIPS) | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade, AEC-Q100) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Op Amps / Comparators | 3 / 4 | 3 / 4 | 3 / 4 | 3 / 4 | 3 / 4 |
| Automotive Qualification | No | Yes (AEC-Q100) | No | Yes (AEC-Q100) | No |
| MCPWM / QEI / CAN | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
Key Differentiators
- Integrated 3 op amps and 4 comparators (vs DSPIC33FJ64MC802-E/MM)
- AEC-Q100 extended-temperature drop-in option (vs DSPIC33EP32MC504T-E/TL)
- Flash upgrade path without respin (vs DSPIC33EP64MC504T-I/TL)
Design Notes
Supply the DSC from a clean 3.0V-3.6V rail; every VDD pin pair on the 44-VTLA needs a 100 nF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7-10 uF per board region. The exposed pad must be soldered to a grounded copper area - it is the main ground and thermal path, and relying on perimeter pins alone degrades analog performance. When motor-drive switching noise is present, add an RC or ferrite filter on AVDD to preserve ADC accuracy; dsPIC33EP family datasheet electrical specifications assume a quiet 3.3V rail.
The 44-VTLA 6x6 mm land pattern uses 0.5 mm pitch pads matched to the Microchip datasheet footprint; do not substitute a generic QFN-44 pattern without verifying pad geometry. Route PWM outputs to gate drivers as short, paired traces to limit radiated loop area, and keep shunt-sense routing to the on-chip op-amp inputs as a differential Kelvin connection from the sense resistor. Star-ground the analog region around AVDD/AGND and separate it from the MOSFET switching ground return to prevent ground bounce corrupting ADC readings.
Two recurring mistakes: first, Flash budgeting - 32KB (10.7K x 24 instructions) fills quickly with FOC firmware plus a CAN stack, so if code size is uncertain choose the pin-compatible DSPIC33EP64MC504 or DSPIC33EP128MC504 at layout time to avoid a respin. Second, package confusion - the /TL (6x6 VTLA), /PT (10x10 TQFP), and /ML (8x8 QFN) share the die but have different land patterns; ordering the wrong suffix invalidates the PCB. Do not exceed 3.6V on any I/O; this family is not 5V tolerant.
Estimated: at 60 MHz active execution with peripherals enabled, typical dsPIC33EP core current is on the order of tens of mA, so internal dissipation is a few tens of mW - far below the exposed-pad package capability. Thermal design attention should instead focus on nearby power-stage components (MOSFETs, shunts) whose heat raises the local PCB ambient around the DSC. Ensure the DSC sits outside the main heatsink airflow shadow and that the -40C to +85C ambient limit of the /I grade is respected in sealed enclosures.
Compliance Information
RoHS compliance per standard Microchip product offering (Pb-free /T ordering code). The /I grade part itself is not AEC-Q100 qualified; AEC-Q100 qualified options exist in the same family (e.g., DSPIC33EP32MC504T-E/TL) per Octopart series data.
