DSPIC33EV32GM102T-E/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The DSPIC33EV32GM102T-E/SO is a 16-bit digital signal controller from Microchip's dsPIC33EV series operating at 70 MIPS with 32 KB Flash, 40 MHz max clock, integrated ADC, and DMA channels in a 28-pin SOIC package for motor control and embedded DSP applications. It combines microcontroller peripherals with DSP execution for real-time signal processing in industrial designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33EV32GM102T-E/SO Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of DSPIC33EV32GM102T-E/SO?
- 70 MIPS 16-bit DSP core with barrel shifter delivers high-throughput fixed-point arithmetic for real-time motor control and signal processing
- 32 KB Flash program memory provides sufficient code storage for PID control loops, communication stacks, and embedded algorithms
- Integrated ADC and DMA channels enable autonomous data acquisition and transfer without CPU intervention, reducing latency in control loops
- 40 MHz maximum clock in a 28-pin SOIC package balances processing speed and PCB footprint for compact industrial embedded designs
What is DSPIC33EV32GM102T-E/SO used for?
The DSPIC33EV32GM102T-E/SO is designed for real-time motor control, power conversion, and embedded signal processing applications in industrial automation, HVAC systems, and appliance motor drives where 16-bit DSP performance at 70 MIPS enables tight control loop execution. Its integrated ADC, DMA, and barrel-shifter architecture support digital power supply control, brushless DC motor commutation, and sensor signal conditioning in space-constrained 28-SOIC PCB designs.
What are the specifications of DSPIC33EV32GM102T-E/SO?
| YTEOL | 8.1 |
| Has ADC | YES |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | NO |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | R-PDSO-G28 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 21 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (words) | 4096 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100; TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 350mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.35 |
| Country of Origin | Thailand |
Where can I find the DSPIC33EV32GM102T-E/SO datasheet?
DSPIC33EV32GM102T-E/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for DSPIC33EV32GM102T-E/SO?
Compatible alternatives and drop-in replacements for DSPIC33EV32GM102T-E/SO:
Frequently Asked Questions
How does the DSPIC33EV32GM102T-E/SO's 70 MIPS throughput support tight PID control loop execution in a motor drive application?
At 70 MIPS, the DSPIC33EV32GM102T-E/SO can execute a complete PID control loop—including ADC sampling, fixed-point multiplication, accumulation, and PWM output update—in fewer than 10 µs at a 40 MHz clock, which is fast enough to maintain control loop frequencies of 20 kHz to 50 kHz for brushless DC motor commutation. The 16-bit DSP core with barrel shifter accelerates the multiply-accumulate operations at the heart of digital PID algorithms without requiring separate coprocessor hardware, keeping the BOM simple for single-chip motor control designs.
What Flash memory capacity does the DSPIC33EV32GM102T-E/SO provide, and is 32 KB sufficient for a combined motor control plus Modbus RTU communication stack?
The DSPIC33EV32GM102T-E/SO provides 32 KB (approximately 11K x 24-bit words) of program Flash memory, which is generally sufficient for a compact motor control application with a Modbus RTU stack, PID controller, ADC acquisition routines, and basic fault handling, provided the code is written with efficient use of the dsPIC instruction set and avoids large lookup tables or unoptimized C libraries. Developers targeting tight Flash budgets should use the XC16 compiler with optimization level O2 or higher, as this can reduce code size by 20% to 40% compared to unoptimized builds.
How do the integrated DMA channels in the DSPIC33EV32GM102T-E/SO reduce CPU overhead in a multi-channel ADC sampling application?
The integrated DMA channels in the DSPIC33EV32GM102T-E/SO allow the ADC to transfer conversion results directly to a RAM buffer without CPU intervention, enabling the 16-bit DSP core to continue executing the control algorithm at 70 MIPS while simultaneously acquiring data from multiple ADC channels at rates up to hundreds of kilo-samples per second. This autonomous DMA transfer eliminates the interrupt-service-routine overhead associated with software-driven ADC reads, reducing jitter in the control loop and allowing deterministic 20 µs or shorter sampling intervals in inverter current-sensing and voltage-monitoring applications.
For a compact industrial motor controller PCB, how does the 28-pin SOIC package of the DSPIC33EV32GM102T-E/SO compare to a 28-pin DIP alternative in terms of board area?
The 28-pin SOIC package of the DSPIC33EV32GM102T-E/SO occupies approximately 17.9 mm x 7.5 mm of PCB area with 1.27 mm lead pitch, which is roughly 40% to 50% smaller in board footprint than a 28-pin DIP package at 2.54 mm pitch that spans about 35 mm x 13 mm. This footprint reduction is significant in compact motor drive modules and power inverter boards where the controller, gate drivers, and passives must fit on a PCB smaller than 50 mm x 80 mm, and the SOIC's surface-mount termination also enables automated reflow assembly at production volumes.
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