DSPIC33EP32MC504-E/TL - 60 MIPS 16-bit DSC, 32KB Flash | Microchip
MPN: DSPIC33EP32MC504-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.55 | $55.50 |
| 100 | $4.98 | $498.00 |
| 500 | $4.52 | $2,260.00 |
| 1,000 | $4.1 | $4,100.00 |
DSPIC33EP32MC504-E/TL Overview
A digital signal controller combines the computational architecture of a microcontroller with DSP-engine features such as single-cycle multiply-accumulate, hardware divide, and DSP instruction support. Within the power-management hierarchy, DSCs occupy the tier above general-purpose MCUs for embedded control, sitting closest to dedicated motor-control ASICs while retaining full software flexibility. The dsPIC33EP family is Microchip's 16-bit flash-based DSC generation for precision embedded control.
Key features include a 16-bit dsPIC core running at up to 60 MIPS from a 3.3V supply, 35 general-purpose I/O lines, integrated PWM channels for motor and power conversion control, an analog-to-digital converter, DMA channels for data movement without CPU intervention, and multiple pairs of PGECx/PGEDx pins for in-circuit serial programming (ICSP). The E suffix denotes the automotive temperature grade of -40C to +125C.
Technically, the dsPIC33EP core achieves near-single-cycle instruction throughput with a pipelined architecture, and the high-speed PWM module supports complementary outputs, dead-time insertion, and fault protection - the essential building blocks for field-oriented control (FOC) of PMSM/BLDC motors and digital power supplies. The 6x6 mm QFN exposed-pad package provides low-inductance ground return for switching-adjacent analog operation.
Typical applications include brushless DC and permanent-magnet motor drives, digital power supplies (PFC, LLC), UPS systems, automotive auxiliary motor control, and industrial sensing front-ends. The AEC-Q100 qualification makes it suitable for under-hood and automotive body applications.
Design consideration: use one matched PGECx/PGEDx pair for ICSP (e.g., PGEC2 with PGED2) and connect all VDD/VSS pins; decouple each supply pin with 100 nF ceramics.
This page synthesizes distributor pricing tiers, drop-in family alternatives, and design notes not consolidated in the manufacturer datasheet. Pricing as of 2026-09-25.
Drop-in alternatives for DSPIC33EP32MC504-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 DSPIC33EP32MC504-E/TL (same form factor and footprint) — differing in Operating Temperature, Package, Supply Voltage, Connectivity, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC504-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC504-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.75 / Unit
View Datasheet →DSPIC33EP128MC504-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP256MC504T-I/TL
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP32MC504-E/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP 16-bit DSC core |
| CPU Speed | 60 MIPS (60 MHz) |
| Program Memory Size | 32 KB (10.7K x 24) Flash |
| RAM Size | 4 KB |
| Supply Voltage | 3.3 V |
| Number of I/O | 35 |
| DMA Channels | Yes (per datasheet) |
| ICSP Pairs | Multiple PGECx/PGEDx pairs (any pair, used as matched pair) |
| Package | 44-VTLA (6x6 mm QFN with exposed pad), 0.90 mm height |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (automotive, E grade) |
| Qualification | AEC-Q100 qualified, automotive grade |
| Application Segment | Automotive, industrial precision motor control |
| Series | dsPIC33EP 33EP |
DSPIC33EP32MC504-E/TL 44-vtla (6x6 mm qfn with exposed pad), 0.90 mm height Pin Configuration Guide
Pin configuration for DSPIC33EP32MC504-E/TL (44-vtla (6x6 mm qfn with exposed pad), 0.90 mm height 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 DSPIC33EP32MC504-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC504-E/TL is suitable for 6 applications: BLDC/PMSM Field-Oriented Motor Control, Automotive Auxiliary Motor Drives, Digital Power Supplies (PFC, LLC), Industrial Automation and Robotics, Uninterruptible Power Supplies (UPS), IoT and Smart Sensor Nodes.
BLDC/PMSM Field-Oriented Motor Control
The dsPIC33EP32MC504-E/TL's 60 MIPS core and high-speed PWM with complementary outputs, dead-time insertion, and fault shutdown make it a natural fit for sensorless and sensored FOC of BLDC and PMSM motors. The single-cycle DSP MAC accelerates Clark and Park transformations, while DMA-driven ADC sampling keeps current-loop latency deterministic at typical 16-20 kHz PWM frequencies. Placed as the main inverter controller with gate drivers such as the MCP14A series, the DSC executes the entire current and speed cascade in software, eliminating a separate DSP. AEC-Q100 qualification extends this use to automotive pumps, fans, and actuators where -40C to +125C ambient operation is required.
Recommended
Automotive Auxiliary Motor Drives
As an AEC-Q100-qualified -E grade device rated -40C to +125C, the DSPIC33EP32MC504-E/TL targets under-hood and body applications: radiator fans, fuel pumps, windshield wipers, HVAC blowers, and throttle actuators. The 44-VTLA 6x6 mm QFN with exposed pad gives a compact, thermally efficient footprint suited to dense ECU layouts, while 35 I/O lines integrate position-sensor inputs (Hall, encoder) and CAN or LIN communication with the vehicle network. The automotive temperature grade is the key differentiator versus the cheaper industrial -I variant; firmware is identical across grades, simplifying qualification reuse across vehicle platforms and reducing the cost of maintaining a single certified control stack.
Recommended
Digital Power Supplies (PFC, LLC)
Digital AC-DC and DC-DC converters need fast, deterministic control loops - precisely what the 60 MIPS dsPIC33EP core provides. The high-speed PWM module generates phase-shifted and complementary drive signals for LLC half/full bridges and totem-pole PFC stages, with cycle-by-cycle current limiting via hardware fault inputs. ADC with DMA captures input/output voltage and inductor current synchronized to the PWM period, so average-current-mode or voltage-mode compensators run at the switching frequency without CPU jitter. Typical implementation: the DSC drives a half-bridge gate-driver IC and sense amplifier front end, replacing analog control chips while enabling soft-start profiling, adaptive dead-time, and digital telemetry in the same 32KB firmware image.
Recommended
Industrial Automation and Robotics
In factory automation, the DSPIC33EP32MC504-E/TL serves as a compact motion, servo, or pump controller where 60 MIPS handles trajectory generation and current control concurrently. The 35 I/O lines interface encoders, limit switches, and safety interlocks; UART/SPI/I2C peripherals (per family datasheet DS70000657J) link to PLC networks and HMI panels; and DMA offloads serial traffic so the CPU stays dedicated to the control loop. The 3.3V supply simplifies integration with modern sensors and isolated communication transceivers. Compared to an 8-bit MCU, the DSP engine cuts FOC and PID cycle times dramatically, enabling tighter servo bandwidth in the same PCB footprint and power budget.
Recommended
Uninterruptible Power Supplies (UPS)
Line-interactive and double-conversion UPS designs use the dsPIC33EP32MC504-E/TL to control the inverter, charger, and transfer switch from one chip. The 60 MIPS core time-slices the inverter sinusoidal control loop, battery-charge CC/CV management, and grid synchronization, while complementary PWM outputs with dead time drive the power stage through a gate driver. The -E automotive grade's -40C to +125C rating tolerates hot battery compartments and cramped enclosures, and the exposed-pad QFN sinks heat into the power PCB. Typical topology: a half-bridge inverter at 20-50 kHz with ADC-synchronized current sampling; the DSP engine's single-cycle MAC keeps the sinusoidal regulator deterministic even at high switching frequencies.
Recommended
IoT and Smart Sensor Nodes
The DSPIC33EP32MC504-E/TL also fits high-rate sensing nodes: with 35 I/O, DMA-buffered ADC, and 60 MIPS of headroom, it can oversample vibration or acoustic sensors, run FFT-based feature extraction in hardware DSP instructions, and ship condensed results over UART/SPI/I2C to a wireless module. The 6x6 mm QFN keeps the node small, and the 32KB Flash holds both the DSP processing and the communication stack. Predictive-maintenance vibration monitors, smart-metering front ends, and condition-monitoring sensors are representative uses. The AEC-Q100 -E grade additionally qualifies the node for automotive telematics and vehicle health monitoring, where industrial-grade -I parts would be out of specification above +85C ambient.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC504-I/TL | DSPIC33EP64MC504-E/TL | DSPIC33EP128MC504-E/TL | DSPIC33EP256MC504T-I/TL |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm QFN, exposed pad) | 44-VTLA - same | 44-VTLA - same | 44-VTLA - same | 44-VTLA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS (60 MHz) | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Program Memory | 32 KB (10.7K x 24) | 32 KB (10.7K x 24) | 64 KB | 128 KB | 256 KB |
| RAM | 4 KB | 4 KB | 8 KB | 16 KB | 32 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| AEC-Q100 Qualification | Qualified (automotive) | Not automotive grade | Qualified (automotive) | Qualified (automotive) | Not automotive grade |
| Typical Use Case | Single-axis automotive FOC / digital power | Cost-reduced industrial motor control | FOC + communication stack headroom | Complex multi-loop automotive control | Feature-rich industrial controllers |
Key Differentiators
- Automotive -E temperature grade with AEC-Q100 (vs DSPIC33EP32MC504-I/TL)
- Lowest-cost entry in the 44-pin MC504 family (vs DSPIC33EP64MC504-E/TL)
- Compact 6x6 mm QFN with exposed pad (vs DSPIC33EP256MC504T-I/TL)
Design Notes
Solder the exposed pad of the 44-VTLA package to a solid ground pour - it is the primary thermal path and the low-inductance ground return for the PWM/ADC domain. Connect ALL VDD and VSS pin pairs as required by the datasheet; leaving a supply pair floating on a QFN is a common bring-up failure. Decouple every VDD pin with a 100 nF ceramic placed within 2 mm of the pin, plus one bulk 10 uF per supply rail. Keep the crystal oscillator traces short and guard them with ground if the layout sits near PWM switching nodes.
ICSP pairing is the most common programming failure: the device offers multiple PGECx/PGEDx pairs, and you must use a matched pair - if PGEC2 carries ICSPCLK, PGED2 must carry ICSPDAT (per the NSDSP dsPIC33EP32MC504 support notes and Microchip programming specification). Do not route PGECx/PGEDx traces through the motor power stage; PWM-induced transients corrupt in-circuit debugging. Also verify configuration bits (OSC source, watchdog, PWM pins) match your clock scheme before first flash, and reserve debug access on production boards.
In motor-drive layouts, route ADC sensor inputs (current shunt signals) away from PWM output traces and use the ADC-with-DMA synchronized-sampling mode so current samples align to the PWM center, minimizing switching-noise aliasing. Star-ground the analog reference (VDDCORE/AVSS domain per datasheet) separate from power-stage returns, joining them only at the exposed-pad ground. For the -E grade in automotive environments, add TVS protection on connector-facing I/O and ensure the 3.3V rail meets load-dump-induced transient requirements of the target ECU specification.
Compliance Information
DigiKey and Hotenda listings identify this MPN as 'Automotive, AEC-Q100' qualified, -40C to +125C. RoHS/lead-free per current Microchip standard dsPIC33EP production; REACH and halogen-free status to be confirmed against Microchip's environmental declaration.
