DSPIC33EP32MC504-E/MV - 60 MIPS Motor Control DSC | Microchip
MPN: DSPIC33EP32MC504-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.74 | $1,870.00 |
| 1,000 | $3.35 | $3,350.00 |
DSPIC33EP32MC504-E/MV Overview
A digital signal controller combines the computational throughput of a DSP with the integrated peripherals and deterministic behavior of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU in the microcontroller and digital signal processor family, and the dsPIC33EP series targets closed-loop control systems that need hardware math acceleration, fast PWM and rich analog integration in a single chip.
Key features include the high-speed Motor Control PWM (MCPWM) peripheral with complementary outputs and dead-time control, an integrated CAN 2.0B module, internal op amps and analog comparators, a Reconfigurable Peripheral Group (PTG), and 4 DMA channels with 5 16-bit timers. These peripherals allow current loops, commutation logic and field-oriented control to be implemented largely in hardware with minimal CPU overhead.
The dsPIC33EP core uses an enhanced 16-bit architecture with DSP multiply-accumulate instructions, dual operand fetch and single-cycle MAC, plus hardware divide support. The -E temperature option guarantees operation from -40C to +125C, and the exposed-pad UQFN-48 package provides low-inductance power delivery for fast PWM switching edges.
Typical applications include brushless DC and PMSM motor control, digital power supplies (LLC, totem-pole PFC), automotive auxiliary systems, and industrial drives. The CAN interface makes the part a natural fit for vehicle networks and factory fieldbus nodes.
When designing, budget the Flash carefully: 32 KB (10.7K x 24-bit instructions) is ample for FOC firmware but leaves limited headroom for bootloaders plus fieldbus stacks.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC504-E/MV — 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/MV (same form factor and footprint) — differing in Package, Operating Temperature, Core, Programming Interface, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP64MC504-E/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC504-E/MV Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Max CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| Package | 48-UQFN (6x6 mm) exposed pad |
| Operating Temperature | -40C to +125C (E grade) |
| Supply Voltage Range | 3.0 V to 3.6 V |
| PWM | Motor Control PWM (MCPWM) with complementary outputs and dead-time |
| CAN | CAN 2.0B controller |
| Timers | 5 x 16-bit timers |
| DMA Channels | 4 |
| Analog Peripherals | Internal op amps and comparators, 10/12-bit ADC |
| Communication Interfaces | 2 x UART, 2 x SPI, 2 x I2C, CAN |
| Qualification | AEC-Q100 automotive |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Technology | CMOS |
DSPIC33EP32MC504-E/MV Pin Configuration
| Pin 1 | MCLR — Master reset (active low) / programming voltage |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / port B |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B |
| Pin 5 | AN3/IND/CN5/RB3 — Analog input 3 / op amp inverting input / port B |
| Pin 6 | AN4/C1IN-/CN6/RB4 — Analog input 4 / comparator 1 inverting input / port B |
| Pin 7 | AN5/C1IN+/CN7/RB5 — Analog input 5 / comparator 1 non-inverting input / port B |
| Pin 8 | PGD/EMUD/AN6/OC1/CN12/RB6 — In-circuit debug data / analog input / output compare 1 / port B |
| Pin 9 | PGC/EMUC/AN7/OC2/CN13/RB7 — In-circuit debug clock / analog input / output compare 2 / port B |
| Pin 10 | AN8/C2IN-/CN14/RB8 — Analog input 8 / comparator 2 inverting input / port B |
| Pin 11 | AN9/C2IN+/CN15/RB9 — Analog input 9 / comparator 2 non-inverting input / port B |
| Pin 12 | AN10/CVREF/CN16/RB10 — Analog input 10 / comparator voltage reference / port B |
| Pin 13 | AN11/IN+/CN17/RB11 — Analog input 11 / op amp non-inverting input / port B |
| Pin 14 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pin 15 | VSS — Ground reference |
| Pin 16 | AN12/IN-/CN18/RB12 — Analog input 12 / op amp inverting input / port B |
| Pin 17 | OA2OUT/AN13/T1G/CN19/RB13 — Op amp 2 output / analog input / Timer1 gate / port B |
| Pin 18 | TMS/AN14/CN30/RB14 — JTAG test mode select / analog input / port B |
| Pin 19 | TDO/AN15/CN31/RB15 — JTAG test data out / analog input / port B |
| Pin 20 | OA1OUT/RC1/T2U/OSC2/CLKO/CN0 — Op amp 1 output / port C / Timer2 up-count / secondary oscillator / clock out |
| Pin 21 | OA1IN-/RC0/T2CKI/OSC1/CLKI/CN1 — Op amp 1 inverting input / Timer2 clock in / primary oscillator / clock in |
| Pin 22 | OA2IN-/RC2/IC1/T3CKI/CN59 — Op amp 2 inverting input / input capture 1 / Timer3 clock in / port C |
| Pin 23 | OA3OUT/RC3/IC2/T4CKI/CN60 — Op amp 3 output / input capture 2 / Timer4 clock in / port C |
| Pin 24 | VSS — Ground reference |
| Pin 25 | OA3IN-/C3IN-/RC4/IC3/T5CKI/CN61 — Op amp 3 inverting input / comparator 3 input / input capture 3 / port C |
| Pin 26 | SOSCI/CN1/RC13 — Secondary oscillator input / change notification / port C |
| Pin 27 | SOSCO/T1CKI/CN0/RC14 — Secondary oscillator output / Timer1 clock in / port C |
| Pin 28 | SCL3/IC4/INT0/SDA3/RG6/CN8 — I2C3 clock / input capture 4 / external interrupt 0 / port G |
| Pin 29 | SDA3/U3RX/IC5/RG7/CN9 — I2C3 data / UART3 receive / input capture 5 / port G |
| Pin 30 | U3TX/SCL3/RG8/CN10 — UART3 transmit / I2C3 clock / port G |
| Pin 31 | U2TX/SDO2/RG9/CN11 — UART2 transmit / SPI2 data out / port G |
| Pin 32 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pin 33 | VSS — Ground reference |
| Pin 34 | PWM1L/RA0/CN52 — MCPWM 1 low-side output / port A |
| Pin 35 | PWM1H/RA1/CN53 — MCPWM 1 high-side output / port A |
| Pin 36 | PWM2L/RA2/CN54 — MCPWM 2 low-side output / port A |
| Pin 37 | PWM2H/RA3/CN55 — MCPWM 2 high-side output / port A |
| Pin 38 | PWM3L/RA4/CN56 — MCPWM 3 low-side output / port A |
| Pin 39 | PWM3H/RA5/CN57 — MCPWM 3 high-side output / port A |
| Pin 40 | C3IN+/SCK2/RD15/CN47 — Comparator 3 input / SPI2 clock / port D |
| Pin 41 | FLTA/SOSCI/RD14/CN46 — PWM fault input / port D |
| Pin 42 | SDA1/U1RX/RF2/RD13/CN45 — I2C1 data / UART1 receive / port F / port D |
| Pin 43 | SCL1/U1TX/RF3/RD12/CN44 — I2C1 clock / UART1 transmit / port F / port D |
| Pin 44 | RP8/SDO1/U2RX/RF5/CN43 — Remappable pin / SPI1 data out / UART2 receive / port F |
| Pin 45 | RP7/SCK1OUT/RF4/CN42 — Remappable pin / SPI1 clock out / port F |
| Pin 46 | C1RX/RP6/RF1/CN41 — CAN1 receive / remappable pin / port F |
| Pin 47 | C1TX/RP5/RF0/CN40 — CAN1 transmit / remappable pin / port F |
| Pin 48 | EP/VSS — Exposed thermal pad - connect to ground plane |
Typical Applications
DSPIC33EP32MC504-E/MV is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Systems, Industrial Drives and Automation, Drones and UAV Flight Actuators, Battery Management and Charging Systems.
BLDC / PMSM Motor Control
The DSPIC33EP32MC504-E/MV is purpose-built for brushless DC and permanent-magnet synchronous motor drives. Its Motor Control PWM peripheral generates complementary outputs with hardware dead-time insertion, so inverter gate-drive timing does not depend on CPU interrupts, and the 60 MIPS DSP core with single-cycle MAC instructions executes field-oriented control current loops in the low tens of microseconds. Integrated op amps amplify shunt-resistor current feedback directly, and the 10/12-bit ADC synchronizes sampling to the PWM center for low-noise measurements. The 32 KB Flash holds complete FOC firmware with startup and protection routines. Placing this DSC between a 3.3 V supply and a three-phase inverter stage yields a compact, deterministic drive with CAN connectivity for supervisory control.
Recommended
Digital Power Conversion
In digital power supplies such as LLC converters, totem-pole PFC and synchronous buck stages, the DSPIC33EP32MC504-E/MV provides the high-resolution MCPWM and fast ADC needed for precise duty-cycle and phase control. Dead-time control in hardware prevents shoot-through in half-bridge topologies, and the 60 MIPS core runs voltage-mode or current-mode compensators at switching-frequency rates up to several hundred kHz. The DMA channels move ADC results to RAM without CPU intervention, keeping loop latency minimal and jitter low. The 4 KB RAM is sufficient for control-state variables, compensation tables and fault logs. The -E grade (to +125C) suits power stages with elevated ambient temperatures, and the exposed-pad UQFN package provides low-inductance grounding for clean analog sampling near fast switching edges.
Recommended
Automotive Auxiliary Systems
The AEC-Q100 qualification and -40C to +125C temperature range of the DSPIC33EP32MC504-E/MV make it appropriate for automotive auxiliary electronic modules: pump and fan control, actuator positioning, HVAC blower drives and body electronics. The integrated CAN 2.0B controller interfaces directly with vehicle networks through an external transceiver, while the MCPWM drives brushed or brushless motors with closed-loop current control. The internal comparators provide fast over-current fault trips without CPU latency, and the -E suffix documents automotive-grade screening for supplier PPAP requirements. Firmware engineers can use Microchip's motor-control libraries to shorten development, and the 32 KB Flash is adequate for single-function modules with diagnostics and UDS-style messaging kept within budget.
Recommended
Industrial Drives and Automation
Factory automation nodes need deterministic control, robust communication and long-term availability, all supplied by the DSPIC33EP32MC504-E/MV. Conveyors, small servo axes, gimbal stages and dosing pumps can be driven with sensorless or encoder-based FOC using the MCPWM and QEI-style position feedback through remappable pins. The CAN interface links multiple drives to a supervisory PLC, and the PTG (Peripheral Trigger Generator) sequences ADC/PWM operations autonomously, offloading timing chores from the CPU. The industrial 3.3 V rail simplifies integration with standard PLC I/O through optocouplers. With 60 MIPS of headroom, the same chip can run the control loop and protocol stack concurrently, and the 48-UQFN footprint fits compact drive PCBs inside motor housings or junction boxes.
Recommended
Drones and UAV Flight Actuators
UAV platforms demand compact, lightweight motor controllers with fast dynamic response, and the DSPIC33EP32MC504-E/MV fits the esc-controller role well. The 60 MIPS core closes current loops fast enough for aggressive attitude-control bandwidth, hardware complementary PWM with dead time drives the three-phase inverter directly, and internal op amps condition low-side shunt signals to save board area. At 6x6 mm, the UQFN package minimizes controller footprint in stacked esc boards, and the 3.3 V supply matches standard IMU and radio interfaces. The 32 KB Flash stores FOC firmware plus fault handling for propeller overload conditions. Using DMA-triggered ADC sampling synchronized to the PWM center yields low-jitter current feedback critical for smooth torque at high electrical speeds.
Recommended
Battery Management and Charging Systems
Chargers and battery management units benefit from the DSPIC33EP32MC504-E/MV's combination of control peripherals, CAN connectivity and analog integration. A synchronous buck or LLC charger stage is controlled through the MCPWM with hardware dead time, ADC channels monitor cell voltage and pack current via the internal op amps, and comparators implement fast over-current or over-voltage trips that shut down PWM outputs within microseconds. The CAN 2.0B module communicates charge state and fault codes to vehicle or inverter controllers in automotive BMS architectures. The -E temperature grade covers under-hood and industrial charging environments up to +125C. With 32 KB Flash, full charging state machines, balancing logic and diagnostic messaging fit comfortably in the single 48-UQFN controller.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC504-I/MV | DSPIC33EP64MC504-E/MV | DSPIC33EP64MC504-I/MV |
|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) MV | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 32 KB | 32 KB | 64 KB | 64 KB |
| RAM | 4 KB | 4 KB | 8 KB | 8 KB |
| Temperature Range | -40C to +125C (E, automotive) | -40C to +85C (I, industrial) | -40C to +125C (E, automotive) | -40C to +85C (I, industrial) |
| AEC-Q100 Qualified | Yes | No | Yes | No |
| CAN / MCPWM / Op Amps | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
Key Differentiators
- Automotive AEC-Q100 qualification at -40C to +125C (vs DSPIC33EP32MC504-I/MV)
- Lowest-cost entry to the MC504 motor-control family (vs DSPIC33EP64MC504-E/MV)
- Single-chip motor control with integrated analog (vs discrete controller + op amp BOM)
Design Notes
Solder the exposed pad (pin 48) to a solid ground plane with an array of thermal vias. The UQFN exposed pad is the primary ground return for the ADC, comparators and PWM gate drivers; an unconnected or poorly wetted pad causes ground bounce between PWM switching edges and noisy ADC readings. Use at least a 4x via array under the pad and keep the analog ground region under the ANx/op amp pins connected to this plane at a single quiet point.
Decouple each VDD pin (pins 14 and 32) with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus a 4.7 uF to 10 uF bulk capacitor near the part. The MCPWM driving external MOSFET gates draws fast transient currents through the die; inadequate decoupling shows up as PWM output glitches and spurious brown-out resets. Budget 3.3 V at approximately 50-70 mA for the core plus I/O load, and verify brown-out reset settings match your supply ramp.
The 32 KB Flash is shared between application firmware, constants and any bootloader; a CAN bootloader plus FOC firmware typically consumes 20-25 KB, leaving little margin. If your roadmap includes a protocol stack, choose DSPIC33EP64MC504-E/MV from the start - it is pin-compatible so the swap costs only the component line. Also remember the -E grade qualifies to +125C while -I stops at +85C; do not substitute -I in automotive or high-ambient builds.
Keep PWM outputs (pins 34-39) and their gate-driver traces away from the op amp and analog input pins (pins 2-13, 16-18) to minimize capacitive coupling at switching edges. Use the peripheral pin select (RPx) mapping to route digital functions to pins physically distant from the ADC inputs, and synchronize ADC sampling to the PWM center using the ADC trigger from the MCPWM module rather than free-running sampling.
Compliance Information
AEC-Q100 automotive qualification confirmed via distributor listings (Hotenda: 'Automotive, AEC-Q100'). RoHS status per standard Microchip product offering; verify current REACH declarations on microchip.com.
