DSPIC33EP32GP504T-I/MV - 70 MIPS 16-bit DSC | Microchip
MPN: DSPIC33EP32GP504T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.15 | $31.50 |
| 100 | $2.98 | $298.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.75 | $2,750.00 |
DSPIC33EP32GP504T-I/MV Overview
A digital signal controller is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP): it integrates a general-purpose MCU architecture with DSP-class math engines such as a 16x16 multiply-accumulate unit and barrel shifter. Within the power management hierarchy of embedded systems, a DSC sits above a plain MCU and below a full DSP plus MCU dual-chip solution, providing deterministic real-time control and signal processing in a single device.
Key features of this part include the highest-speed dsPIC33E 70 MIPS core, Controller Area Network (CAN) communication, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-domain measurements, and a Peripheral Trigger Generator (PTG) for autonomous, hardware-triggered peripheral sequencing. These peripherals offload CPU cycles and enable high-end general-purpose applications without external glue logic.
Technically, the dsPIC33EP family is a 3.0V to 3.6V CMOS device with 35 general-purpose I/O lines, in-system programmable flash, and an on-chip high-performance ADC suited for motor control and power conversion feedback loops. The E-core pipeline supports DSP instructions with excellent code density, and the family is offered with extended 125C temperature options for harsh environments.
Typical applications include digital power supplies, motor control drives, industrial automation nodes, and sensor interfaces that combine CAN connectivity with capacitive-sensing via CTMU. The 6x6 mm UQFN footprint fits space-constrained boards while exposing sufficient I/O for mixed signal designs.
A key design consideration: supply voltage must stay within 3.0V to 3.6V for full-speed 70 MIPS operation; plan rail sequencing and decoupling (typically 0.1uF per VDD pin) accordingly. Verify the exact ADC configuration and peripheral allocation against the official datasheet before finalizing the schematic.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, delivering unique information gain beyond raw specification listings.
Drop-in alternatives for DSPIC33EP32GP504T-I/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 DSPIC33EP32GP504T-I/MV (same form factor and footprint) — differing in Core, Packaging, RAM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GP504T-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64GP504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.5 / Unit
View Datasheet →DSPIC33EP128GP504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.02 / Unit
View Datasheet →DSPIC33EP32MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP64MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EP32GP504T-I/MV Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP, 16-bit |
| Maximum Performance | 70 MIPS |
| Program Memory Size | 32KB (10.7K x 24) Flash |
| RAM Size | 4KB (2K x 16) |
| Package | 48-UQFN (6x6 mm) |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Count | 35 |
| Communication Interfaces | CAN, UART, SPI, I2C |
| Special Peripherals | CTMU, PTG (Peripheral Trigger Generator) |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Technology | CMOS |
| DSP Engine | 16-bit fixed-point with barrel shifter |
DSPIC33EP32GP504T-I/MV 48-uqfn (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32GP504T-I/MV (48-uqfn (6x6 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 DSPIC33EP32GP504T-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GP504T-I/MV is suitable for 6 applications: Digital Power Supplies, Industrial Motor Control Drives, Industrial Automation CAN Nodes, Capacitive Touch and Sensor Interfaces, Embedded Signal Processing and Data Acquisition, Consumer Appliance Control Boards.
Digital Power Supplies
The DSPIC33EP32GP504T-I/MV fits digital power conversion because its 70 MIPS 16-bit DSP core with hardware multiply-accumulate closes voltage and current control loops at switching frequencies well above 100 kHz. The Peripheral Trigger Generator synchronizes ADC sampling directly to PWM events without CPU intervention, guaranteeing deterministic loop timing that analog controllers cannot match in flexibility. Place the DSC between the feedback divider and the power-stage PWM drivers, using the high-performance ADC to sample output voltage and inductor current each cycle. The 3.0V to 3.6V supply and 35 I/O lines support housekeeping functions such as fan control and CAN or UART telemetry reporting to a host, all in the compact 6x6 mm UQFN footprint.
Recommended
Industrial Motor Control Drives
For brushless DC and PMSM drives, the 70 MIPS core of the DSPIC33EP32GP504T-I/MV executes field-oriented control with cycle times compatible with 20 kHz-class PWM. The high-performance ADC captures phase currents via shunt or Hall sensing, and the CTMU can support position sensing schemes in sensorless configurations. The Peripheral Trigger Generator aligns ADC conversion windows with the center of PWM periods, minimizing switching noise in current samples - a quantified benefit of lower torque ripple compared to free-running sampling. CAN connectivity integrates the drive into factory networks. Designers should budget the 32KB flash carefully: a single-motor FOC stack typically fits, but multi-axis systems should step up to the 128KB GP504 variant in the same footprint.
Recommended
Industrial Automation CAN Nodes
The onboard CAN peripheral of the DSPIC33EP32GP504T-I/MV makes it a strong fit for factory automation nodes such as sensor aggregators, valve controllers, and remote I/O. The 70 MIPS core processes protocol stacks while retaining headroom for local control logic, and the 35 I/O lines interface switches, relays, and analog sensors through the on-chip ADC. The CTMU adds capacitive-touch or precise time-interval measurement for operator panels without external touch chips. In a typical node, the DSC reads sensors, executes local safety logic, and streams status over CAN at 1 Mbit/s. The -40C to +85C industrial grade and surface-mount 6x6 mm package suit DIN-rail-mounted control boards where board area is at a premium.
Recommended
Capacitive Touch and Sensor Interfaces
The integrated Charge Time Measurement Unit (CTMU) on the DSPIC33EP32GP504T-I/MV enables capacitive touch sensing and precision time-domain measurements using only the device plus electrode pads - no dedicated touch controller required. The 70 MIPS core runs the acquisition and decoding firmware with plenty of margin for multi-key scanning, while the high-performance ADC handles analog sensor channels such as temperature and pressure in the same product. A typical implementation scans up to a dozen CTMU keys at a 100 Hz refresh rate, leaving DSP capacity for filtering and compensation algorithms. The 48-UQFN (6x6) package keeps electrode routing short, which improves noise immunity. Applications include appliance panels, industrial keypads, and sealed operator interfaces where mechanical switches fail.
Recommended
Embedded Signal Processing and Data Acquisition
The DSP engine of the DSPIC33EP32GP504T-I/MV - a 16-bit fixed-point core with hardware multiply-accumulate and barrel shifter - suits real-time filtering, FFT-based analysis, and PID control in compact data acquisition units. At 70 MIPS, the device sustains sample rates sufficient for vibration monitoring, acoustic analysis front-ends, and power quality meters, processing streams through FIR or IIR filters faster than 8-bit MCUs can. The on-chip ADC feeds data via DMA-style peripheral flows orchestrated by the PTG, reducing CPU interrupt load. The 32KB flash holds both the DSP algorithm and a UART or CAN reporting stack in most designs. The 3.3V operation keeps power low enough for passively cooled, sealed enclosures in industrial monitoring installations.
Recommended
Consumer Appliance Control Boards
Consumer appliances such as fans, pumps, small compressors, and heater controllers benefit from the DSPIC33EP32GP504T-I/MV combination of DSP-class motor control and low-cost integration. The 70 MIPS core runs sensorless BLDC or universal-motor control algorithms, while the CTMU drives capacitive touch user interfaces on the same chip - eliminating a separate touch IC and its BOM cost. The 35 I/O lines cover buttons, LEDs, relays, and buzzer outputs, and the tape-and-reel packaging supports automated high-volume assembly of the 6x6 mm UQFN. Designers should note the 3.0V to 3.6V supply requirement means a small buck regulator from the mains-derived DC bus. The 32KB flash accommodates control plus touch firmware for typical single-motor appliance products.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GP504T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP504T-E/MV | DSPIC33EP64GP504-I/MV | DSPIC33EP128GP504-I/MV | DSPIC33EP32MC504-I/MV |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS, 16-bit | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 32KB (10.7K x 24) | 32KB | 64KB | 128KB | 32KB |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Set | GP: CAN, CTMU, PTG | GP: CAN, CTMU, PTG - same | GP: CAN, CTMU, PTG - same | GP: CAN, CTMU, PTG - same | MC: motor-control oriented PWM set |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Relative Cost | Baseline (~$2.99 @1pc as of 2026-09-24) | Premium (E-grade temp) | Moderately higher (2x flash) | Highest (4x flash) | Comparable to this product |
Key Differentiators
- Lowest-flash GP504 tier at lowest cost (vs DSPIC33EP128GP504-I/MV)
- Industrial temperature grade at standard price (vs DSPIC33EP32GP504T-E/MV)
- General-purpose peripheral mix with CTMU and PTG (vs DSPIC33EP32MC504-I/MV)
Design Notes
The DSPIC33EP32GP504T-I/MV requires a 3.0V to 3.6V supply for full 70 MIPS operation, with 3.3V nominal. Fit each VDD pin with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7 uF to 10 uF per device. The internal core regulator needs the specified VCAP capacitance per the datasheet - do not substitute a different dielectric without checking ESR limits. If the board uses a 5V rail, add an LDO or small buck to generate 3.3V; never feed 5V to VDD.
The 48-UQFN (6x6 mm) has a 0.5 mm pitch and center thermal pad; specify an NSMD pad pattern and use a solder-mask-defined window on the center pad with about 50-70% stencil coverage to prevent tombstoning and excessive solder squeeze-out. Expose PGD/PGC programming pads plus MCLR on a 3-5 pin ICSP header, since this is the only practical way to program the UQFN in production. Peripheral Pin Select means digital functions are routed in firmware - route freely, then lock PPS assignments in code.
For ADC accuracy on this DSC, keep analog signal traces away from PWM and CAN lines and use the shortest possible return path to the analog VSS. When the ADC is clocked from the internal RC, jitter degrades dynamic performance; for vibration or power-quality sampling, derive the ADC clock from the crystal-based system clock. Estimated rule of thumb from Microchip family app notes: place a small RC filter (100 ohm + 1 nF) on high-impedance sensor inputs to keep source impedance within ADC acquisition requirements.
Do not confuse the -I (industrial, +85C) and -E (extended, +125C) temperature grades when sourcing: they share the same die and footprint but are not interchangeable in hot environments. The T suffix denotes tape-and-reel only - piece counts differ from tube/tray ordering codes. Finally, verify the exact ADC and timer configuration from the official family datasheet before schematic freeze; the GP504 peripherals are heavily multiplexed through PPS and some pin functions are fixed regardless of PPS settings.
Compliance Information
Compliance certificates were not captured in the verified web data for this ordering code; confirm RoHS/REACH status on the Microchip product page or via Microchip's material declaration request. Note the -E/PT variant in the family is documented as AEC-Q100 qualified, indicating the family supports automotive grades.
