DSPIC33EV32GM104-I/P8 - 16-bit 5V DSC, 32KB Flash | Microchip
MPN: DSPIC33EV32GM104-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.72 | $372.00 |
| 500 | $3.41 | $1,705.00 |
| 1,000 | $3.15 | $3,150.00 |
DSPIC33EV32GM104-I/P8 Overview
A digital signal controller combines the computational capability of a digital signal processor with the control peripherals and deterministic behavior of a microcontroller. Within the power-management hierarchy, a DSC sits at the top of a chain running from basic MCU to MCU with DSP extensions to full DSC, enabling real-time control loops for motors and power conversion while retaining flash program memory, interrupt-driven peripherals, and in-circuit serial programming (ICSP).
Key differentiators include the native 5V operation (4.5V to 5.5V supply), which improves noise immunity in electrically harsh industrial environments versus 3.3V MCUs; ECC Flash for functional-safety (FuSa) designs; and up to 70 MIPS core performance. Mouser listing data highlights CAN, 6 motor-control PWM, 3 op amps, CTMU, and SENT support as headline features, making the device well suited to sensor interfacing and motor control without external analog front-ends.
The dsPIC33EV architecture pairs the 16-bit dsPIC CPU with a barrel shifter, DSP multiply-accumulate instructions, and multiple interrupt priorities. The integrated op amps can be used to amplify current-shunt signals for FOC or field-oriented motor control loops, while the CTMU supports capacitive touch or precise time measurement, and SENT simplifies interfacing to automotive sensors. The extended-temperature family member (suffix E) supports higher junction temperatures per AEC-Q100-class requirements, and the family is noted by Microchip for automotive-relevant designs.
Typical applications include BLDC and PMSM motor control for appliances and power tools, industrial power supplies and inverters, automotive body and sensor subsystems, and safety-relevant control nodes leveraging ECC Flash. The on-chip CAN peripheral enables networked nodes in vehicles and factory automation.
For design, all VDD and VSS pairs must be connected and decoupled with 0.1uF ceramics placed close to the pins, and ICSP programming requires a matched PGECx/PGEDx pair - any pair works, but ICSPCLK and ICSPDAT must use the same pair index.
This page synthesizes distributor pricing data, drop-in same-family alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
Drop-in alternatives for DSPIC33EV32GM104-I/P8 — 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 DSPIC33EV32GM104-I/P8 (same form factor and footprint) — differing in RAM, Operating Temperature, Package, Flash Memory, On-chip Op Amps.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM004-E/P8
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV128GM104-E/P8
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EV256GM104-E/P8
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EV256GM004-E/PT
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →DSPIC33EV32GM104-I/P8 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Core Speed | 60 MHz (up to 70 MIPS per family spec) |
| Program Memory (Flash) | 32KB (11K x 24) with ECC |
| RAM | 4KB (4K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| CAN | Yes (1x CAN module) |
| Motor Control PWM | 6 channels (MC PWM) |
| Op Amps | 3 on-chip op amps |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Interface | Yes |
| I/O Count | 35 I/O |
| Digital Signal Controller Class | DSP/DSC, Functional Safety (FuSa) supported |
| Programming Interface | ICSP (In-Circuit Serial Programming) via PGECx/PGEDx pairs |
DSPIC33EV32GM104-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV32GM104-I/P8 (48-tqfp (7x7 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 DSPIC33EV32GM104-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM104-I/P8 is suitable for 6 applications: BLDC/PMSM Motor Control, Industrial Power Supplies and Inverters, Automotive Body and Sensor Subsystems, Home Appliances and White Goods, Capacitive Touch and Precision Measurement Nodes, Test, Measurement and Data Acquisition Front-Ends.
BLDC/PMSM Motor Control
The DSPIC33EV32GM104-I/P8 fits motor-control designs because it combines 6 motor-control PWM channels - exactly one complementary PWM pair per three-phase bridge leg - with 3 on-chip op amps that amplify shunt-resistor current feedback for field-oriented control (FOC). The 70 MIPS-class 16-bit DSP core with MAC instructions executes the FOC loop (Clarke/Park transforms, PI current controllers, SVPWM generation) deterministically at 10-20 kHz update rates. Native 5V operation provides direct interfacing to gate-driver logic and higher noise immunity in the electrically noisy motor-drive environment, eliminating level-shifters required by 3.3V MCUs. CAN permits networked motor nodes in appliances or industrial equipment. Place the op-amp inputs near the shunts and keep PWM edges away from analog routing to preserve current-sense accuracy.
Recommended
Industrial Power Supplies and Inverters
In industrial power conversion (inverters, UPS, DC-DC stages), the DSPIC33EV32GM104-I/P8 provides the deterministic DSP math and 6-channel motor-control PWM needed for phase-shifted or complementary PWM schemes with dead-time insertion. Its ECC Flash protects control firmware from single-bit corruption in high-vibration, high-EMI cabinets - DigiKey classifies the device as a Functional Safety (FuSa) controller for exactly this reason. The 4.5V to 5.5V supply range tolerates 5V industrial logic rails directly, and the CTMU supports precision timing measurements for resonant-converter feedback. The 48-TQFP (7x7 mm) footprint keeps controller area minimal on dense power boards. Budget firmware margin within the 32KB (11K x 24) Flash; larger modulation schemes fit the pin-compatible 128KB/256KB P8 siblings without PCB changes.
Recommended
Automotive Body and Sensor Subsystems
Microchip positions the dsPIC33EV family for automotive applications, and this member's peripheral set aligns well with automotive sensor nodes: the SENT interface connects directly to SENT-capable automotive sensors (throttle position, pressure, level), while the CAN peripheral integrates the node into vehicle networks. The CTMU enables capacitive touch human-machine interfaces and precise ratiometric measurements. The 5V core operates natively on automotive-clamped 5V regulated rails, and the family offers extended-temperature (E-grade) members aligned with AEC-Q100-style qualification for harsh under-hood or near-engine zones. With 32KB ECC Flash, safety-relevant diagnostics and watchdog strategies fit comfortably. For under-hood temperatures, substitute the same-footprint E/P8 variant; the I-grade -I/P8 suits cabin and body-electronics zones rated to +85C.
Recommended
Home Appliances and White Goods
Appliance designs benefit from the DSPIC33EV32GM104-I/P8's combination of noise immunity, integrated analog, and safety-oriented memory. Microchip explicitly targets the dsPIC33EV family at appliance applications operating in harsh electrical environments. On a 5V appliance control board, the DSC drives compressor or fan motors via its 6-channel motor-control PWM while its 3 op amps condition current feedback - removing the external amplifier ICs that a 3.3V MCU design would need. The CTMU supports low-cost capacitive-touch user interfaces on glass or plastic panels. 32KB ECC Flash holds the state machine, fault handling, and communications (CAN or UART) firmware with margin for functional-safety interlock code. The 48-TQFP (7x7 mm) package soldered on 2-layer boards keeps bill-of-material cost low for high-volume white goods.
Recommended
Capacitive Touch and Precision Measurement Nodes
The CTMU (Charge Time Measurement Unit) on the DSPIC33EV32GM104-I/P8 enables two precision use cases: capacitive-touch sensing for industrial HMI panels and high-resolution time or charge measurements for sensor conditioning. Because the CTMU works with a constant-current source and precise timing, designers implement touch keys, sliders, and liquid-level sensing without dedicated touch controllers. Combined with the 3 on-chip op amps for signal amplification and the 16-bit DSP core for filtering (IIR/FIR via MAC instructions), a single 48-TQFP device replaces an MCU-plus-touch-IC-plus-amplifier chain. The 5V domain gives a strong SNR advantage over 3.3V designs in industrial panels exposed to switching noise from adjacent motor drives. Keep the CTMU guard shield and sense traces away from PWM routing to preserve touch sensitivity thresholds.
Recommended
Test, Measurement and Data Acquisition Front-Ends
For compact acquisition nodes, the DSPIC33EV32GM104-I/P8 integrates the analog chain (3 op amps), precision timing (CTMU), a 16-bit DSP core for real-time digital filtering, and CAN or UART for reporting - a complete single-chip front-end in 7x7 mm. Typical builds include shunt-based current loggers, vibration-monitoring nodes feeding FFT/DFT routines into the DSP MAC engine, and industrial sensors converted to SENT or CAN outputs. The 32KB ECC Flash retains calibration tables safely against bit-flips, and the 4KB RAM buffers sample streams at kilohertz rates. Native 5V I/O simplifies interfacing with industrial 5V sensor logic without level translation. When logging bandwidth exceeds 4KB RAM buffering, move to the pin-compatible 128KB/256KB P8 siblings which retain the same footprint and code portability.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM104-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM004-E/P8 | DSPIC33EV128GM004T-I/P8 | DSPIC33EV128GM104-E/P8 | DSPIC33EV256GM104-E/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32KB (11K x 24) ECC | 32KB (11K x 24) ECC | 128KB ECC | 128KB ECC | 256KB ECC |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Temperature Grade | -40C to +85C (I) | Extended (E) | -40C to +85C (I) | Extended (E) | Extended (E) |
| Core Speed | 60 MHz / 70 MIPS class | Same dsPIC33EV core | Same dsPIC33EV core | Same dsPIC33EV core | Same dsPIC33EV core |
| Key Peripherals (CAN / MC PWM / Op Amps) | CAN, 6 MC PWM, 3 op amps, CTMU, SENT | Same peripheral set | Same peripheral set | Same peripheral set | Same peripheral set |
Key Differentiators
- Native 5V operation eliminates level-shifting (vs DSPIC33EV32GM004-E/P8)
- ECC Flash for functional-safety designs (vs DSPIC33EV128GM004T-I/P8)
- Integrated 3-op-amp analog front-end (vs DSPIC33EV256GM104-E/P8)
Design Notes
Connect and decouple every VDD/VSS pin pair. Place a 0.1uF ceramic capacitor within 2-3 mm of each supply pin pair, plus one bulk 4.7-10uF capacitor near the device. On a 2-layer appliance or motor-control board, dedicate the bottom layer under the 48-TQFP to a solid ground pour stitched with vias. Per NSDSP documentation, expose one PGECx/PGEDx pair (e.g., PGEC2/PGED2) plus MCLR on a 5-pin header for ICSP programming and debug - ICSPCLK and ICSPDAT must come from the same pair index.
The 6 motor-control PWM outputs and the 3 on-chip op amps share the same die, so PWM switching edges couple into analog measurements. Route op-amp inverting/non-inverting inputs as short Kelvin traces to the shunt resistors, guard them with ground, and keep them on the opposite side of the board from PWM gate traces. The 5V domain helps SNR, but staggering PWM switching instants away from ADC/op-amp sampling (typical practice in Microchip motor-control reference firmware) recovers significant measurement accuracy at no cost.
Three frequent mistakes with dsPIC33EV designs: (1) leaving an unused PGECx/PGEDx pair floating and wiring the programmer to a different pair than the debug header - the pairs must be matched; (2) sizing firmware above 32KB (11K x 24 instructions) then discovering late that a pin-compatible 128KB/256KB P8 sibling was the safer BOM choice - plan the upgrade path early; (3) substituting the -E (extended temperature) variant where the -I grade is specified (or vice versa) without rechecking junction temperature in the thermal budget.
Estimated: at a typical dsPIC33EV core active current of tens of milliamps on a 5V rail, controller power is under 0.3 W, so thermal design is rarely limiting - the 48-TQFP (7x7 mm) needs no heatsink for controller dissipation. The thermal burden instead sits with external MOSFETs and gate drivers. Verify actual core current in the Microchip family datasheet DC Characteristics table against your clock configuration (60 MHz operation with peripherals enabled is the worst case).
Compliance Information
Distributor data confirms the -I (industrial) temperature grade and Microchip states the dsPIC33EV family targets automotive applications with E-grade members referenced to AEC-Q100/TS 16949 standards (per Microchip USA data for DSPIC33EV32GM104-H/P8). Specific RoHS/REACH/lead-free status for this exact ordering code was not present in the provided web data and must be confirmed on the Microchip product page.
