DSPIC33EV128GM106-I/PT - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV128GM106-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.05 | $50.50 |
| 100 | $4.49 | $449.00 |
| 500 | $4.02 | $2,010.00 |
| 1,000 | $3.58 | $3,580.00 |
DSPIC33EV128GM106-I/PT Overview
A digital signal controller combines the compute architecture of a microcontroller with the mathematical throughput of a DSP. Within the power-management hierarchy of embedded systems, a DSC such as the dsPIC33EV family member sits at the top of the 16-bit Microchip taxonomy: DSC -> microcontroller -> embedded processor, bridging the gap between general-purpose MCUs and dedicated DSPs.
Key features include operation up to 70 MIPS from a 4.5V to 5.5V supply, making the part directly compatible with industrial 5V logic without level shifting. Hardware CAN support, 4 DMA channels and 7 timers target automotive and industrial networking workloads. ECC Flash provides single-bit error correction for functional-safety-oriented designs. Barrel shifter hardware support accelerates bit manipulation in motor-control and DSP kernels.
Technically, the dsPIC33EV core executes an enhanced 16-bit instruction set with DSP multiply-accumulate instructions and a 40 MHz CMOS core clock basis (per Microchip USA data), scaling to 70 MIPS operation. The -I temperature suffix qualifies the device for -40C to +125C industrial environments, while the -E extended variant addresses harsher automotive profiles.
Typical applications include automotive sensor and touch-control units, industrial motor control with CAN networking, and appliance control boards exposed to high electrical noise, where the 5V-tolerant robust design reduces external component count.
Design consideration: connect all VDD/VSS pairs and use any matched PGECx/PGEDx pair consistently for ICSP programming and debugging, as Microchip's programming guidelines require the clock and data pins to come from the same pair.
This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV128GM106-I/PT — 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 DSPIC33EV128GM106-I/PT (same form factor and footprint) — differing in Package, Supply Voltage Range, Operating Temperature, RAM Size, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM106-E/PT
✅ Drop-In✓ In Stock
$3.6 / Unit
View Datasheet →DSPIC33EV128GM106-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM106T-I/PT
✅ Drop-In✓ In Stock
$3.86 / Unit
View Datasheet →DSPIC33EV128GM106-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum Operating Speed | 70 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) with ECC |
| SRAM | 8 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Supply Class | 5V DSC |
| DMA Channels | 4 |
| Timers | 7 |
| External Interrupts | 3 |
| CAN | Yes (hardware CAN module) |
| Barrel Shifter | Hardware supported |
| Operating Temperature | -40C to +85C (I suffix, industrial) |
| Package | 64-TQFP (10x10 mm), JESD-30 S-PQFP-G64 |
| Terminal Pitch | 0.5 mm |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP (multiple PGECx/PGEDx pairs) |
| Debug Support | Yes (In-Circuit Debug via ICSP) |
| RoHS Status | unknown |
DSPIC33EV128GM106-I/PT 64-tqfp (10x10 mm), jesd-30 s-pqfp-g64 Pin Configuration Guide
Pin configuration for DSPIC33EV128GM106-I/PT (64-tqfp (10x10 mm), jesd-30 s-pqfp-g64 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 DSPIC33EV128GM106-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM106-I/PT is suitable for 6 applications: Automotive Sensor and Touch Control Units, Industrial Motor Control, Appliance Control Boards, CAN Networked Industrial Nodes, Digital Power Conversion, Embedded Control Retrofit and Legacy 5V System Integration.
Automotive Sensor and Touch Control Units
Microchip positions the dsPIC33EV GM family explicitly for automotive sensors and touch/control units operating amid noise and vibration. The DSPIC33EV128GM106-I/PT fits these nodes because its 5V-native core (4.5V-5.5V supply) tolerates the transients common in vehicle electrical systems, while 128KB ECC Flash corrects single-bit upsets induced by EMI. The hardware CAN module connects the node to vehicle networks, and 7 timers plus 4 DMA channels handle capacitive-touch scanning and sensor sampling without loading the 70 MIPS core. For under-hood or high-temperature placements, the same-die DSPIC33EV128GM106-E/PT extends the rating toward +125C on an identical 64-TQFP footprint, allowing one PCB layout to cover both cabin and engine-bay variants with only a BOM change.
Recommended
Industrial Motor Control
The DSPIC33EV128GM106-I/PT delivers 70 MIPS of DSP throughput with multiply-accumulate instructions and a hardware barrel shifter, which accelerates field-oriented control (FOC) and space-vector PWM kernels for industrial drives. Its 4 DMA channels stream ADC results into PWM and control-loop buffers with minimal CPU intervention, and 7 timers provide complementary PWM generation and dead-time control resources. The 5V-tolerant I/O interfaces directly with gate drivers and current-sense amplifiers common on industrial drives, improving noise margins in electrically harsh cabinets. Because the part includes hardware CAN, multiple drives can be networked without an external communication controller, simplifying BOM and firmware architecture for distributed motion systems.
Recommended
Appliance Control Boards
Home and commercial appliances combine motors, heaters and user interfaces on one controller and are exposed to switching noise, mains transients and vibration. The dsPIC33EV128GM106's 5V core provides roughly 50% higher noise margin than 3.3V MCUs, reducing spurious resets and ADC errors near compressor and blower motors. The 128KB ECC Flash protects firmware integrity against electrically noisy environments, a Microchip-stated design goal of the family ('ideal for harsh environments such as appliances'). The 70 MIPS core manages simultaneous motor commutation, touch-scan user interfaces and CAN or UART communication, while the 64-TQFP 10x10 mm package offers ample I/O for displays, relays and sensors within standard reflow assembly processes.
Recommended
CAN Networked Industrial Nodes
For distributed I/O, sensor hubs and field controllers on CAN networks, the DSPIC33EV128GM106-I/PT integrates a hardware CAN controller, removing the need for a standalone CAN controller IC. Its 4 DMA channels can service message buffers to sustain bus traffic while the 70 MIPS core processes payload data, and 3 external interrupt inputs support fast local event capture. The 4.5V-5.5V supply range matches industrial 5V rails derived from 24V buses, and ECC Flash safeguards code in environments with high EMI from contactors and variable-frequency drives. Multiple PGECx/PGEDx pairs simplify in-field firmware updates through ICSP in constrained panel layouts.
Recommended
Digital Power Conversion
Digital power supplies, PFC stages and DC-DC converters benefit from the dsPIC33EV128GM106's combination of a 70 MIPS DSP engine, fast interrupt response and 7 timers capable of high-resolution PWM generation. The 5V I/O domain aligns with gate-driver logic levels, cutting level-shifting components between controller and power stage. Barrel-shift hardware accelerates scaling computations in control loops, and DMA moves ADC samples into control variables without CPU cycles. In server and telecom rectifiers where 5V housekeeping rails are standard, the 4.5V-5.5V operating window keeps the DSC in regulation during brownout events, while ECC Flash preserves firmware integrity across the converter's lifetime.
Recommended
Embedded Control Retrofit and Legacy 5V System Integration
Many legacy industrial boards were designed around 5V logic, and replacing their controllers with 3.3V MCUs forces costly level-shifting redesigns. The DSPIC33EV128GM106-I/PT drops into these 5V ecosystems directly: a 4.5V-5.5V supply, 5V-tolerant peripherals and a standard 64-TQFP footprint make board retrofits straightforward. Its 128KB (43K x 24) Flash accommodates grown feature sets during upgrades, and the 70 MIPS core provides headroom over older PIC16/PIC17-generation controllers (such as PIC17C756A parts) being replaced. ICSP programming through any matched PGECx/PGEDx pair allows in-system updates without board removal, and SEGGER and MPLAB tool support keeps the development environment current.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM106-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM106-E/PT | DSPIC33EV128GM106-H/PT | DSPIC33EV128GM106T-I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm, 0.5 mm pitch) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB ECC (43K x 24) | 128 KB ECC | 128 KB ECC | 128 KB ECC |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Core Performance | 16-bit, up to 70 MIPS | 16-bit, up to 70 MIPS | 16-bit, 40 MHz core basis | 16-bit, up to 70 MIPS |
| Temperature Grade | Industrial (-40C to +85C, I suffix) | Extended (to +125C, E suffix) | Industrial -40C range | Industrial (I suffix) |
| DMA Channels / Timers | 4 / 7 | 4 / 7 | 4 / 7 | 4 / 7 |
| Packaging Format | Tray | Tray | Tray | Tape & Reel |
Key Differentiators
- 5V-native operation (vs STM32F3 series)
- Extended-temperature same-die upgrade path (vs DSPIC33EV128GM106-E/PT)
- ECC Flash for noise immunity (vs PIC17C756A-33I/PT (legacy))
Design Notes
Connect ALL VDD and VSS pins of the 64-TQFP package to the 5V rail and ground planes - Microchip programming documentation explicitly requires all supply pins connected for reliable ICSP and operation. Place a 100 nF ceramic decoupling capacitor at each VDD/VSS pair, close to the pins, plus bulk capacitance near the regulator. The 10x10 mm TQFP with 0.5 mm pitch requires standard 0.5 mm pitch land patterns per IPC-7351 conventions; verify solder-mask openings for the fine-pitch corners.
When wiring the ICSP header, use clock and data pins from the SAME PGECx/PGEDx pair - the dsPIC33EV128GM106 has multiple pairs and mixing (e.g., PGEC2 for ICSPCLK with PGED1 for ICSPDAT) prevents programming. Per Northern Software device notes, any pair may be used but must be kept matched. Also verify the supply stays within 4.5V-5.5V under all load transients; brownouts below the minimum can corrupt Flash writes during field firmware updates.
The 5V-native core is an advantage but also a thermal consideration: at 70 MIPS with all peripherals active, current consumption is highest of the family operating points (exact Idd figures: consult the family datasheet DS70005144H electrical characteristics tables). Estimated: at a typical 60-80 mA active current from a 5V rail, the DSC dissipates roughly 0.3-0.4 W, which the 64-TQFP theta_JA can handle on a standard 2-layer board without heatsinking; confirm against the datasheet table for your clock configuration.
The 5V I/O domain gives roughly 50% more noise margin than 3.3V logic, which is the family's key value in motor-drive and automotive cabinets - exploit it by routing long sensor lines at 5V levels rather than adding shielded cables for 3.3V signals. For CAN nodes, keep the transceiver (e.g., MCP2551) close to the CAN pins and stub the bus symmetrically. The hardware barrel shifter and MAC instructions run deterministically, so keep ISR paths free of division-heavy code to preserve real-time jitter budgets.
Compliance Information
Compliance status of the exact ordering code is not stated in the reviewed data; verify on the Microchip product page environmental datasheet. The family is positioned by Microchip for automotive applications, and DigiKey lists Functional Safety (FuSa) supported variants within the dsPIC33EV family.
