DSPIC33EV64GM102-I/SO - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV64GM102-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.88 | $48.80 |
| 100 | $4.35 | $435.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33EV64GM102-I/SO 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 control, a DSC sits between general-purpose MCUs and dedicated DSPs, offering hardware multiply-accumulate, barrel shifting, and DSP instruction support while retaining Flash self-programming, interrupts, and rich serial peripherals. The dsPIC33EV family from Microchip extends this concept to a native 5V operating range, simplifying designs that must interface directly with automotive sensors and industrial 5V logic.
Key features of the DSPIC33EV64GM102 include 70 MIPS execution at 5V, error-correcting code (ECC) Flash for functional-safety (FuSa) oriented designs, a hardware barrel shifter and DSP engine for control-loop mathematics, and low-power management modes for power-sensitive systems. The wide 5V supply tolerance makes it tolerant of harsh electrical environments such as load dump conditions in vehicles and noisy industrial power rails.
Architecturally, the device uses an enhanced 16-bit modified Harvard core with multiple internal bus architectures for efficient data handling, single-cycle MAC, and hardware divide support. The ECC Flash continuously detects and corrects single-bit memory errors, an important feature for IEC functional-safety development paths.
Typical applications include appliance motor control (BLDC/PMSM and ACIM), industrial power supplies and digital power conversion, automotive body and convenience modules, battery charging, and sensor signal conditioning where direct 5V interfacing removes level-shifting circuitry.
A key design consideration: at 70 MIPS the core frequency is up to 70 MHz (via internal PLL from an external source), so decouple VDD/VDDCORE per the family datasheet and verify Flash wait-state settings for your supply voltage.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV64GM102-I/SO — 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 DSPIC33EV64GM102-I/SO (same form factor and footprint) — differing in Package, Operating Temperature, RAM, Supply Voltage, CAN Module.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM002-E/SO
✅ Drop-In✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33EV256GM002-E/SO
✅ Drop-In✓ In Stock
$7.18 / Unit
View Datasheet →DSPIC33EV32GM102-I/SO
✅ Drop-In✓ In Stock
$2.35 / Unit
View Datasheet →DSPIC33EV64GM102-M/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV64GM102-I/SO Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit |
| Program Memory | 64 KB (22K x 24) ECC Flash |
| RAM | 8 KB |
| Maximum Execution Speed | 70 MIPS |
| Supply Voltage | 5 V (wide operating range) |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 28-SOIC (wide) |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33EV |
| Functional Safety Support | Yes (FuSa), ECC Flash |
| DSP Engine | Single-cycle MAC, barrel shifter |
| Data Bus Width | 16 bit |
| Memory Type | FLASH |
| Typical Applications Domain | Appliances, industrial, automotive |
DSPIC33EV64GM102-I/SO 28-soic (wide) Pin Configuration Guide
Pin configuration for DSPIC33EV64GM102-I/SO (28-soic (wide) 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 DSPIC33EV64GM102-I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM102-I/SO is suitable for 6 applications: Appliance Motor Control, Industrial Power Supplies and Digital Power Conversion, Automotive Body and Convenience Modules, Battery Charging Systems, Sensor Signal Conditioning and Data Acquisition, Heating, Ventilation and HVAC Blower Control.
Appliance Motor Control
The DSPIC33EV64GM102-I/SO is well suited to appliance motor control such as BLDC and PMSM drives in washing machines, fans, and compressors. Its 70 MIPS core with single-cycle MAC executes field-oriented control loops at rates sufficient for low-speed appliance motors, while the native 5V supply interfaces directly with hall sensors and discrete gate drivers common in appliance designs. ECC Flash protects the control firmware from bit flips caused by motor commutation noise, reducing nuisance resets. Placed between current-shunt conditioning and a 3-phase inverter, the DSC runs the current loop in firmware while handling UART or LIN communication to the main appliance controller, with 8KB RAM accommodating state machines and PI compensation state.
Recommended
Industrial Power Supplies and Digital Power Conversion
In industrial digital power supplies, PFC stages, and DC-DC converters, the DSPIC33EV64GM102-I/SO provides the fast deterministic control needed for voltage-mode and current-mode regulation. The 70 MIPS throughput allows PWM update and ADC sampling loops in the tens-of-kilohertz range typical of industrial converters, and the 5V I/O directly drives optocoupler and gate-driver inputs without level shifting. ECC Flash maintains control-firmware integrity in electrically noisy switch-mode environments. The DSP barrel shifter accelerates gain scheduling and scaling math used in digital compensators, while low-power modes suit standby rail supervision, making it a compact single-chip replacement for analog control plus supervisor circuitry.
Recommended
Automotive Body and Convenience Modules
The dsPIC33EV family targets harsh automotive environments, and the DSPIC33EV64GM102-I/SO fits body electronics such as window-lift, wiper, and seat-adjustment modules driving DC motors with relays or H-bridges. The 5V supply rides industrial-load-dump-tolerant rails with simple front-end clamping, and the -40C to +85C I-grade range covers cabin and engine-bay-adjacent zones. Its 64KB ECC Flash supports safety-relevant features such as anti-pinch detection firmware, while LIN-capable serial peripherals connect to vehicle networks. Designers needing under-hood ambient ratings should step to the E-grade family members in the same footprint, keeping the PCB layout unchanged across temperature grades.
Recommended
Battery Charging Systems
Smart battery chargers for industrial and appliance equipment benefit from the DSPIC33EV64GM102-I/SO's combination of fast ADC-driven control loops and 5V tolerance for direct connection to charger front-ends. The 70 MIPS core executes multi-stage CC/CV charging algorithms with coulomb counting in the 8KB RAM, while the DSP engine accelerates the filtering needed for ripple-tolerant current measurement. ECC Flash preserves charging profiles across power interruptions, important for safety in lithium chemistry charging. Communication peripherals implement SMBus or UART reporting to host systems. Because charging circuits commonly run on 5V logic, the native-5V DSC removes level-shifter BOM cost compared to 3.3V controller solutions.
Recommended
Sensor Signal Conditioning and Data Acquisition
For sensor front-ends in industrial equipment - pressure bridges, thermocouple interfaces, and ratiometric position sensors - the DSPIC33EV64GM102-I/SO digitizes signals with its on-chip ADC and applies DSP filtering (IIR/FIR via single-cycle MAC) before transmitting scaled values over UART, SPI, or I2C. The 5V supply directly powers and reads many industrial transducers with 0.5-4.5V outputs, avoiding signal-conditioning stages required with 3.3V converters. The 64KB Flash stores calibration tables and multi-point compensation curves, while ECC Flash keeps calibration data corruption-safe. This makes the DSC a compact single-chip smart-transmitter solution for harsh factory-floor environments with significant electrical noise.
Recommended
Heating, Ventilation and HVAC Blower Control
HVAC blowers and fans with electronically commutated motors (ECM) use the DSPIC33EV64GM102-I/SO to implement sensorless back-EMF commutation and speed profiling. The 70 MIPS core supports the sliding observers and commutation state machines required for sensorless BLDC control, and the 5V core directly interfaces with gate drivers and AC-line-derived supplies common in appliance HVAC boards. ECC Flash guards the commutation firmware against transients from relay switching and compressor start currents, while the -40C to +85C rating covers rooftop and mechanical-room environments. The 28-SOIC footprint keeps control-board area small enough for integration into fan housings and blower-end-caps.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM102-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM002-E/SO | DSPIC33EV256GM002-E/SO | DSPIC33EV32GM102-I/SO | DSPIC33EV64GM102-M/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (wide) | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB (22K x 24) ECC Flash | 64 KB | 256 KB | 32 KB | 64 KB |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| ECC Flash / Functional Safety | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Native 5V operation eliminates level shifters (vs Generic 3.3V 16-bit MCUs (e.g., dsPIC33EP 3.3V families))
- Four times the Flash within the same footprint (vs DSPIC33EV32GM102-I/SO)
- Extended-temperature drop-in option (vs DSPIC33EV64GM002-E/SO)
- Functional-safety support via ECC Flash (vs DSPIC33EV64GM102-M/SO)
Design Notes
Design the 5V rail for the DSC plus its I/O loads: provide local decoupling of at least 100 nF ceramic per VDD pin placed within 5 mm of the pin, plus a 4.7-10 uF bulk capacitor near the device. The dsPIC33EV core includes an on-chip regulator for the core supply - follow the family data sheet (DS70005144H) for required VDDCORE capacitor value and ESR range. Verify that VDD stays within the family data sheet operating range under automotive load-dump transients, adding series protection or a TVS if the module shares a raw vehicle rail.
Confirm silicon revision compatibility before production: Microchip ships multiple revisions of the dsPIC33EV64GM102 die, and the M-suffix listing (DSPIC33EV64GM102-M/SO) denotes a specific revision with functional replacements for earlier parts. Errata sheets differ per revision, so download the correct errata from the Microchip product page for your ordering code. Also note that E-grade (extended temperature) parts are ordered under different suffixes; do not assume an -I/SO part meets +125C ambient ratings in sealed enclosures.
Keep the oscillator and programming (ICSP/MCLR) traces short and away from PWM switching nodes. On the 28-SOIC, many pins are analog/digital multiplexed - reserve the MCLR pin with a 10 kOhm pull-up and an ICSP header footprint even in production, since the Flash Programming Specification documents programming pins that must remain accessible. Ground the exposed analog references with a quiet analog ground region on a 2-layer board by partitioning the return path between the motor-driver side and the MCU side of the PCB.
Estimated: at 70 MHz core frequency with typical activity, a 16-bit DSC of this class dissipates on the order of 100-200 mW, well within the 28-SOIC capability (theta_JA typically above 90 C/W for this package family, so temperature rise is under ~20 C at 200 mW in still air). The thermal concern in motor-control boards is usually adjacent drivers, not the DSC itself; still, verify junction temperature against the data sheet maximum with your enclosure's ambient profile, especially if you substitute the E-grade part in hot zones.
Compliance Information
Compliance data not present in the provided web data. Microchip standard catalog parts are typically RoHS-compliant, but verify on the official Microchip product page or the distributor compliance certificate before release.
