DSPIC33EV128GM104-I/P8 - 16-bit 70MIPS 128KB Flash DSC | Microchip
MPN: DSPIC33EV128GM104-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.61 | $46.10 |
| 100 | $4.1 | $410.00 |
| 500 | $3.71 | $1,855.00 |
| 1,000 | $3.32 | $3,320.00 |
DSPIC33EV128GM104-I/P8 Overview
A digital signal controller combines the peripheral set and ease of use of a microcontroller with the computational throughput of a DSP. Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and dedicated DSPs, and the dsPIC33EV family is Microchip's 5V-robust branch of the dsPIC33E line, purpose-built for electrically noisy environments such as appliances, industrial automation, and automotive subsystems.
Key features include the 16-bit 70 MHz CPU core with DSP instruction extensions, integrated CAN module for in-vehicle and industrial networking, hardware functional-safety (FuSa) support, and Peripheral Pin Select (PPS) that allows remapping of digital peripherals onto flexible RPn pins for optimized PCB routing. The 5V operating capability eliminates a level-shifting stage that 3.3V MCUs typically require when interfacing with 5V sensors and actuators.
Technically, the device is fabricated in CMOS and includes DMA channels, multiple timers, and high-performance PWM modules suited to motor control algorithms such as field-oriented control. The extended Flash (43K x 24 instruction words) accommodates control loops plus communication stacks, while on-chip RAM supports concurrent signal processing buffers.
Typical applications include brushless DC and PMSM motor drives, automotive sensors and touch control units, and appliance power control boards where vibration, noise, and wide temperature ranges are present.
When designing with this part, connect all VDD/VSS pairs and reserve one PGECx/PGEDx pair for ICSP in-circuit programming and debugging; PGEC and PGED pins must be used as matched pairs.
This page synthesizes distributor pricing context, drop-in alternatives within the dsPIC33EV family, and practical design notes not consolidated in the manufacturer datasheet (DS70005144H).
Drop-in alternatives for DSPIC33EV128GM104-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 DSPIC33EV128GM104-I/P8 (same form factor and footprint) — differing in Package, CPU Speed, Core Architecture, Flash Memory, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM104-E/P8
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EV128GM104-H/P8
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM104-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.3 / Unit
View Datasheet →DSPIC33EV64GM104-I/P8
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM004-E/P8
✅ Drop-In✓ In Stock
$2.86 / Unit
View Datasheet →DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV128GM104-I/P8 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| Maximum Clock Frequency | 70 MHz |
| Maximum Performance | 70 MIPS |
| Program Memory Size | 128 KB (43K x 24) Flash |
| Supply Voltage | 5 V (5V-robust core) |
| CAN Module | Yes (integrated CAN) |
| Functional Safety Support | Yes (FuSa) |
| Peripheral Pin Select | Yes (PPS, remappable RPn pins) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Temperature Grade | I (Industrial), -40C to +85C |
| Architecture | 16-bit fixed-point CMOS |
| Timers | 9 |
| DMA Channels | 4 |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Typical Applications | Motor control, CAN networking, harsh environments |
DSPIC33EV128GM104-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV128GM104-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 DSPIC33EV128GM104-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM104-I/P8 is suitable for 6 applications: Industrial Motor Control, Automotive Sensors and Control Units, Appliance Power and Control Boards, CAN-Based Industrial Networking Nodes, Digital Power Conversion, IoT and Smart-Home Sensing Nodes.
Industrial Motor Control
The DSPIC33EV128GM104-I/P8 fits industrial motor drives because its 70 MIPS 16-bit DSP core executes field-oriented control loops with cycle-to-cycle PWM updates while retaining MCU-class peripherals. The dsPIC33EV's 5V-robust operation interfaces directly with 5V gate drivers and current-sense amplifiers without level translators, reducing component count and failure points in noisy drive environments. The 128 KB (43K x 24) Flash accommodates the control algorithm, a bootloader, and diagnostics simultaneously. Integrated DMA offloads ADC result transfers so the CPU spends cycles on control math rather than data movement. Placed at the heart of the power stage, its PWM modules and PPS flexibility let engineers route gate signals to optimal physical pins for PCB thermal and EMI layout, a measurable benefit in compact industrial inverters.
Recommended
Automotive Sensors and Control Units
Microchip explicitly positions the dsPIC33EV GM family for automotive sensors and touch/control units that must survive noise, vibration, and wide temperature swings. The DSPIC33EV128GM104-I/P8's 5V core matches legacy 5V automotive sensor signaling (KL31/KL15 rails, resistive and ratiometric sensors), and the integrated CAN module connects directly to vehicle networks through a transceiver. The functional-safety (FuSa) feature set supports designs targeting safety-relevant body and chassis functions. With 128 KB of Flash, one MCU can host sensor acquisition, filtering, CAN transport and network-layer stacks, and diagnostic services. For programs requiring extended ambient ratings, the pin-identical -H (automotive) or -E (extended) grades drop onto the same 48-TQFP footprint with zero PCB change, enabling one layout across multiple vehicle variants.
Recommended
Appliance Power and Control Boards
Home and commercial appliances combine 5V logic, mains-derived noisy supplies, and motor loads - exactly the harsh-electrical profile the dsPIC33EV family targets. The DSPIC33EV128GM104-I/P8 drives compressor BLDC motors, fan motors, and heater triacs/relays from a single 5V-rail board, and its robust I/O tolerates the transient-rich environment near relay switching. The 70 MIPS core handles sensor fusion (temperature NTCs, pressure, door switches) plus commutation in real time, while 128 KB Flash leaves headroom for OTA-style field updates via a bootloader. Peripheral Pin Select lets the same firmware image map UART/CAN onto different pads for platform variants (washer versus dryer), shortening derivative development. Industrial -40C to +85C rating covers unconditioned garage and outdoor appliance installations.
Recommended
CAN-Based Industrial Networking Nodes
With an on-chip CAN module, the DSPIC33EV128GM104-I/P8 serves as an intelligent CAN node for factory automation, HVAC controllers, and distributed I/O. The 5V core drives opto-isolated CAN front ends common in industrial cabinets without extra level shifting, and the 70 MIPS budget runs protocol stacks (such as CANopen-style layers) alongside application logic in 128 KB of Flash. DMA channels keep message buffering efficient under bus load. Peripheral Pin Select permits UART, SPI, and other remappable peripherals to coexist with CAN for gateways bridging CAN to RS-485 or modbus-style links. Industrial temperature rating and Microchip's harsh-environment characterization for this family give confidence in cabinets near drives and contactors where 3.3V MCUs would need hardened interfaces.
Recommended
Digital Power Conversion
The DSPIC33EV128GM104-I/P8 suits digitally controlled power supplies, chargers, and LED drivers where a 5V controller directly supervises power stages. High-resolution PWM peripherals generate phase-shifted or complementary outputs for half-bridge and LLC topologies, and fast ADC sampling with DMA sustains closed-loop bandwidth at 70 MIPS. The 5V domain matches feedback circuits built from 5V op-amps and shunt amplifiers, while 128 KB Flash stores compensator coefficients, soft-start state machines, and fault logging. DSP multiply-accumulate instructions compute PI/PID loops with predictable cycle counts, important for meeting hold-time requirements during transients. In designs needing gate-drive galvanic isolation, the MCU's PWM outputs feed isolated drivers, and its CAN port integrates the supply into system-level telemetry networks.
Recommended
IoT and Smart-Home Sensing Nodes
For smart-home controllers, HVAC zone boards, and connected appliances, the DSPIC33EV128GM104-I/P8 provides a one-chip solution combining sensing, actuation, and a CAN/UART link to a gateway. The 5V operation directly reads resistive sensors and drives relays, and 128 KB Flash hosts filtering, state machines, and a field-update bootloader concurrently. The device's multiple timers support capacitive-touch scanning styles and periodic sensor scheduling without CPU spin, and DSP instructions accelerate FFT-based acoustic or vibration sensing for predictive-maintenance features. Peripheral Pin Select means one PCB supports multiple product SKUs by remapping UART/I2C pads in firmware. Compared with 3.3V MCUs, the elimination of level shifters on both sensor and actuator sides simplifies certification testing of mixed-voltage boards.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM104-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM104-E/P8 | DSPIC33EV128GM104-H/P8 | DSPIC33EV128GM004-E/P8 | DSPIC33EV128GM004T-I/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB (43K x 24) | 128 KB (43K x 24) | 128 KB (43K x 24) | Smaller Flash (GM004 density) | Smaller Flash (GM004 density) |
| Core Speed | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS |
| Supply Voltage | 5 V robust | 5 V robust | 5 V robust | 5 V robust | 5 V robust |
| CAN Module | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | I: -40C to +85C | E: extended range | H: automotive range | E: extended range | I: -40C to +85C |
| Functional Safety (FuSa) | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- 5V-robust core eliminates level shifting (vs DSPIC33EP64MC504-E/MV)
- Extended and automotive temperature variants on identical footprint (vs DSPIC33EV128GM104-E/P8)
- 128 KB Flash headroom for stacks plus bootloader (vs DSPIC33EV128GM004-E/P8)
Design Notes
Connect every VDD and VSS pin pair as required by the family datasheet - omitting a power pair is a common cause of erratic resets and ADC noise on dsPIC33E designs. Place a 100 nF ceramic decoupling capacitor at each VDD/VSS pair plus one bulk capacitor per board. Because this is a 5V device, keep the 5V plane separated from any adjacent 3.3V domains and route PGEC/PGED programming traces to a header; the ICSP pair must be used together (PGEC2 with PGED2, for example) and cannot be mixed across pairs.
Peripheral Pin Select (PPS) means most digital functions are remappable, so a schematic ported from a fixed-pin dsPIC33EP design must be re-verified against the RPn map in firmware - a peripheral locked to the wrong RPn pin is a top bring-up failure. Also note the analog-capable pins shared with PPS: initialize ANSEL-equivalent configuration before reading digital inputs. Finally, the datasheet documents device variants across the GM00X/GM10X family; confirm memory density and peripheral counts for the exact ordering code before finalizing linker scripts.
For motor-control or digital-power layouts, keep the PWM output traces short and paired with their returns, and locate the CAN transceiver close to the device CAN TX/RX pins with a local ground stitch to the connector. Estimate: a 70 MHz core switching all I/O will draw transient current at pin edges; a distributed decoupling network (one 100 nF per supply pair) limits di/dt-induced ground bounce better than a single bulk capacitor. Reserve test points on the ICSP pair and MCLR for production programming.
Compliance Information
Compliance status not stated in the retrieved web data; verify on the Microchip product page or datasheet ordering-information section. AEC-Q100 applicability not confirmed for this exact ordering code - the -H suffix denotes automotive temperature grade; consult Microchip for qualification status.
