DSPIC33EV128GM106T-I/PT - 70MIPS 16-bit DSC 128KB | Microchip
MPN: DSPIC33EV128GM106T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.62 | $46.20 |
| 100 | $4.55 | $455.00 |
| 500 | $4.18 | $2,090.00 |
| 1,000 | $3.86 | $3,860.00 |
DSPIC33EV128GM106T-I/PT Overview
A digital signal controller combines a microcontroller's peripherals and ease of use with a DSP engine's math throughput in a single chip. Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and standalone DSPs, making it the natural choice for motor control, digital power conversion, and sensing applications where both control-loop speed and real-time math are required. The dsPIC33EV family extends this concept to harsh 5V industrial and automotive environments where 3.3V devices struggle with noise margins.
Key features include a 5V-tolerant supply range of 4.5V to 5.5V, ECC-protected Flash for functional-safety (FuSa) designs, a 36-channel 10/12-bit ADC for multi-channel sensing, four DMA channels, nine timers, and Peripheral Pin Select (PPS) that remaps most digital peripherals to any of 53 general-purpose I/O pins.
Architecturally, the device pairs a 16-bit modified Harvard CPU with a DSP instruction set (40-bit wide accumulators, single-cycle MAC) and 24-bit instruction words. On-chip Flash ECC, brown-out reset, watchdog timer, and a wide -40C to +85C industrial temperature grade support robust operation in electrically noisy environments.
Typical applications include BLDC and PMSM motor control, switch-mode power supplies and digital power factor correction, automotive body and convenience modules, and industrial appliances. The 70 MIPS core executes current loops at switching frequency, while the 5V I/O drives noisy industrial signal rails directly.
Design consideration: provide adequate decoupling (multiple 0.1uF ceramics plus bulk capacitance) on AVDD/AVSS and VDD/VSS pairs, and keep the analog ground plane separate under the ADC pins.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV128GM106T-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 DSPIC33EV128GM106T-I/PT (same form factor and footprint) — differing in Package, Core, Program Memory Size, Operating Temperature, RAM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDSPIC33EV128GM106T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 70 MIPS |
| Core Clock Speed | 40 MHz |
| Program Memory | 128KB (43K x 24) ECC Flash |
| RAM Size | 8KB (8K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| ADC Resolution | 10/12-bit |
| ADC Channels | 36 channels |
| DMA Channels | 4 |
| Timers | 9 |
| External Interrupts | 3 |
| General-Purpose I/O | 53 pins |
| Peripheral Pin Select | Yes (PPS, remappable pins) |
| Operating Temperature | -40C to +85C |
| Package | 64-TQFP (10x10 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Technology | CMOS |
| Functional Safety Support | Yes (FuSa variant family) |
DSPIC33EV128GM106T-I/PT 64-tqfp (10x10 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EV128GM106T-I/PT (64-tqfp (10x10 mm), 0.5 mm pitch 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 DSPIC33EV128GM106T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM106T-I/PT is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Body & Convenience Modules, Industrial Appliances, Sensing and Data Acquisition Nodes, Lighting and Power Supplies with PFC.
BLDC/PMSM Motor Control
The DSPIC33EV128GM106T-I/PT is purpose-built for digital motor control: its 70 MIPS 16-bit DSP core executes field-oriented control (FOC) inner current loops at 10-20 kHz PWM frequencies with single-cycle MAC and 40-bit accumulators, while the dedicated PWM peripheral generates complementary outputs with hardware dead-time insertion. The 36-channel 10/12-bit ADC samples phase currents and DC bus voltage with DMA transfer, freeing CPU cycles for the speed loop. Its 5V I/O connects directly to hall sensors, encoders, and gate drivers common on industrial drives without level translation. ECC Flash protects control firmware from bit flips in electrically noisy drive environments. Typical performance benefit: deterministic single-shunt or three-shunt current sampling synchronized to the PWM center.
Recommended
Digital Power Conversion
For switch-mode power supplies, PFC stages, and LLC resonant converters, the DSPIC33EV128GM106T-I/PT provides the fast control bandwidth digital power requires. The 70 MIPS core closes voltage and current loops at switching frequencies up to several hundred kHz using average-current-mode control, while high-resolution PWM with phase-shift capability controls bridge topologies. The 5V supply domain matches the noise environment of power stages, and Peripheral Pin Select lets engineers route fault inputs and PWM outputs optimally on the PCB. The 128KB ECC Flash holds multiple converter firmware images plus a bootloader for field firmware updates of deployed power equipment. Hardware comparators support cycle-by-cycle current limiting without CPU intervention, protecting power stages during transients.
Recommended
Automotive Body & Convenience Modules
The dsPIC33EV family targets harsh automotive environments where 5V rails and high noise immunity matter: body control modules, window lift, wiper control, and pump controllers. The DSPIC33EV128GM106T-I/PT's 4.5V-5.5V operation rides automotive 5V and 12V-derived rails with wide noise margins, and ECC Flash plus brown-out and watchdog protection support robust operation per the family's functional-safety (FuSa) positioning. Its 53 GPIO with Peripheral Pin Select allows one firmware image to serve multiple vehicle variants by remapping UART, LIN, and PWM pins in software. The -40C to +85C industrial grade (or -E extended grade variant) covers under-hood adjacent zones. CAN/LIN transceivers attach via remappable serial pins for in-vehicle networking.
Recommended
Industrial Appliances
Home and commercial appliances - induction cooktops, dishwashers, HVAC blowers, and compressor drives - benefit from the DSPIC33EV128GM106T-I/PT's combination of 70 MIPS control throughput and 5V robustness. Appliance environments combine mains switching transients, motor EMI, and humid conditions; the wide supply noise margins and ECC Flash directly address these hazards. The 36-channel ADC reads multiple temperature sensors (NTC networks), pressure sensors, and current shunts without external multiplexers, while the nine timers handle door-interlock supervision, zero-cross detection, and timebase functions. Peripheral Pin Select enables common platform PCBs across product families. The 128KB Flash accommodates firmware plus OTA-style update bootloaders typical of connected appliance platforms.
Recommended
Sensing and Data Acquisition Nodes
With a 36-channel 10/12-bit ADC and four DMA channels, the DSPIC33EV128GM106T-I/PT serves as the backbone of multi-channel industrial sensing nodes: vibration monitoring, process instrumentation, and condition-monitoring gateways. The DSP engine accelerates on-node FFT and filtering - computing spectral features locally before transmission - while DMA streams ADC results to RAM without CPU loading. The 5V I/O directly reads 4-20 mA receivers, 0-5 V transducers, and industrial limit switches without level-shifting circuitry. The 128KB ECC Flash stores calibration tables and logging firmware, and UART/SPI links (remappable via PPS) connect to RS-485, CAN, or wireless modules. Deterministic interrupt latency supports time-correlated multi-channel sampling for rotating machinery diagnostics.
Recommended
Lighting and Power Supplies with PFC
High-intensity discharge, industrial LED, and stage lighting systems use the DSPIC33EV128GM106T-I/PT for both digital dimming control and grid-side power-factor correction. The 70 MIPS core implements boost-PFC control laws with input-voltage feedforward, achieving power factors above 0.98 in typical designs, while separate PWM resources drive the lighting converter stage independently. The 5V domain survives the harsh electrical environment near mains circuitry, and ECC Flash maintains dimming-curve firmware integrity over product lifetime. The 36-channel ADC monitors output current, board temperature via NTCs, and mains half-cycle timing for flicker-free operation. Design consideration: synchronize PFC and lighting-stage PWMs on one timebase to minimize inter-stage ripple interaction.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM106T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM106T-E/PT | DSPIC33EV128GM206T-I/PT | DSPIC33EV256GM106T-I/PT | DSPIC33EV64GM106T-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128KB (43K x 24) ECC | 128KB ECC | 256KB ECC | 256KB ECC | 64KB ECC |
| RAM | 8KB | 8KB | 16KB | 16KB | 8KB |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| ADC | 36-ch 10/12-bit | 36-ch 10/12-bit | 36-ch 10/12-bit | 36-ch 10/12-bit | 36-ch 10/12-bit |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- True 5V operation with wide noise margins (vs STM32F3 series)
- ECC-protected Flash for functional-safety designs (vs DSPIC33EV64GM106T-I/PT)
- Extended temperature option on identical footprint (vs DSPIC33EV128GM106T-E/PT)
Design Notes
Decouple every VDD/VSS pair and the AVDD/AVSS pair with 0.1uF ceramic capacitors placed within 2-3 mm of the pins, plus bulk capacitance of 4.7-10uF near the package. The 36-channel ADC shares AVDD with the analog domain, so filter AVDD through an RC or ferrite bead from the main 5V rail to preserve ADC accuracy. Estimated: at 70 MIPS, core current on this family is in the tens of mA range - confirm exact IDD from the datasheet electrical characteristics table before sizing the 5V regulator.
Use a solid ground plane under the 64-TQFP and keep the analog section (AN pins, VREF, AVDD filter) segregated from PWM and gate-driver traces. Because Peripheral Pin Select allows any digital peripheral on many pins, route UART/CAN/PWM signals first, then fix their PPS assignments in firmware to match the layout - avoid rerouting high-speed PWM after layout. Provide test points on PGECx/PGEDx programming pins for ICSP in-circuit debugging with MPLAB ICD/REAL ICE.
Do not exceed 5.5V on VDD; 5V rails from industrial supplies can surge during inrush events, so add a transient suppressor or series regulator if the rail is shared with inductive loads. Remember that PPS has documented limitations (Section 11.5 of the family datasheet) - not every peripheral maps to every pin, so verify the mapping table before committing the schematic. ECC Flash is enabled by configuration words; verify ECC configuration when porting code from non-ECC dsPIC parts.
Compliance Information
Compliance status not stated in provided web data. Microchip standard product is typically Pb-free/RoHS; verify on the official Microchip product page or datasheet before relying on it.
