DSPIC33EV64GM102T-I/SO - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV64GM102T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.96 | $3.96 |
| 10 | $3.57 | $35.70 |
| 100 | $3.52 | $352.00 |
| 500 | $3.2 | $1,600.00 |
| 1,000 | $2.95 | $2,950.00 |
DSPIC33EV64GM102T-I/SO Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and control logic of a microcontroller (MCU). Within the power management hierarchy of embedded systems, a DSC such as the dsPIC33EV sits between general-purpose MCUs and full DSPs, making it a strong fit for closed-loop control tasks such as motor control, digital power conversion, and sensor fusion.
Key features include the 5V tolerant dsPIC33E core running at 70 MIPS, ECC-protected Flash for functional-safety-critical code storage, an on-chip CAN 2.0B controller for automotive and industrial networks, six motor-control PWM channels, three integrated op amps, a CTMU (Charge Time Measurement Unit) for touch or time-domain measurement, and SENT peripheral support per the SAE J2716 sensor interface standard.
Architecturally, the device uses a modified Harvard 16-bit pipeline with DSP engine features including a barrel shifter, 40-bit accumulator, and multiple internal buses, plus four DMA channels that offload data movement from the CPU. Microchip positions the dsPIC33EV family specifically for harsh environments such as appliances, industrial equipment, and automotive applications, where 5V I/O immunity to noise is a decisive advantage over 3.3V MCUs.
Typical applications include BLDC and PMSM motor control with field-oriented control (FOC), automotive body and powertrain subsystems communicating over CAN, digital power supplies, and sensor interfaces using SENT or CTMU-based measurement.
For design, note that supply voltage is 4.5V to 5.5V; when dropping from a 24V industrial bus, budget for a wide-input buck regulator ahead of the MCU rail.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33EV family, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-26.
Drop-in alternatives for DSPIC33EV64GM102T-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 DSPIC33EV64GM102T-I/SO (same form factor and footprint) — differing in Package, Timers, On-chip Op Amps, Operating Temperature, Program Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM102-I/SO
✅ Drop-In✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33EV32GM102-I/SO
✅ Drop-In✓ In Stock
$2.35 / Unit
View Datasheet →DSPIC33EV64GM102T-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV64GM102T-M/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM102-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM002-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.18 / Unit
View Datasheet →DSPIC33EV64GM102T-I/SO Maximum Ratings & Electrical Characteristics
| Core Size | 16-bit |
| Core Type | dsPIC33E DSC core |
| Maximum Speed | 70 MIPS (DSPIC33EV64GM102T-I/SO) |
| Program Memory Size | 64KB (22K x 24) Flash with ECC |
| RAM Size | 8KB |
| Supply Voltage Range | 4.5 V to 5.5 V (5V class) |
| Package | 28-SOIC (WSOIC-28), 1.27 mm pitch |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| CAN Controller | Yes, CAN 2.0B |
| Motor Control PWM | 6 MC PWM channels |
| On-chip Op Amps | 3 |
| SENT Peripheral | Yes |
| CTMU | Yes (Charge Time Measurement Unit) |
| DMA Channels | 4 |
| Timers | 7 |
| RoHS Status | Compliant |
DSPIC33EV64GM102T-I/SO 28-soic (wsoic-28), 1.27 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EV64GM102T-I/SO (28-soic (wsoic-28), 1.27 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 DSPIC33EV64GM102T-I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM102T-I/SO is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive Body and Powertrain Nodes, Digital Power Conversion, Industrial Appliance Control, SENT and Analog Sensor Interfaces, Lighting and Power Control Units.
BLDC/PMSM Motor Control
The DSPIC33EV64GM102T-I/SO fits motor control because its six motor-control PWM channels support complementary or independent outputs with dead-time insertion, essential for driving three-phase inverters under field-oriented control (FOC) at 70 MIPS. The three on-chip op amps buffer shunt-resistor current-sense signals without external amplifier ICs, reducing BOM cost and offset error, while the 12-bit ADC (family feature) samples phase currents for the control loop. Typically, the DSC runs the FOC current loop at 10-20 kHz with the DSP engine executing multiply-accumulate operations, and communicates commanded torque over its CAN 2.0B controller. Because the core is 5V, gate-driver and sensor interfaces connect with minimal level shifting, improving noise immunity in industrial drives.
Recommended
Automotive Body and Powertrain Nodes
The DSPIC33EV64GM102T-I/SO suits automotive subsystem nodes because Microchip designed the dsPIC33EV family specifically for harsh automotive environments, pairing a 5V core for transient robustness with a CAN 2.0B controller for in-vehicle networking. The SENT transmit/receive peripheral implements SAE J2716 sensor interfaces increasingly used to replace analog signal paths in vehicles, while the CTMU supports capacitive touch and precise time-domain measurements for switch panels. In a typical body-control node, the DSC reads sensors via SENT, drives lamps or motors via its PWM channels, and reports diagnostics over CAN at up to 1 Mbps. Select the -E temperature variant (DSPIC33EV64GM102T-E/SO) for underhood locations requiring -40C to +125C operation.
Recommended
Digital Power Conversion
Digital power supplies benefit from the DSPIC33EV64GM102T-I/SO because its 70 MIPS DSP core and high-resolution PWM resources execute voltage-mode or current-mode control loops with the deterministic timing a DSP-class controller provides. Typical topologies include LLC converters, PFC stages, and DC-DC modules where the six PWM channels manage interleaved phases with precise dead time. The on-chip op amps condition current-shunt feedback directly, and four DMA channels stream ADC results to RAM without CPU intervention, keeping loop jitter low. The 5V I/O level simplifies interfacing to gate drivers on industrial 24V systems, and the ECC Flash protects control firmware integrity against single-bit upsets in electrically noisy switch-mode environments.
Recommended
Industrial Appliance Control
Appliance control boards are a target application Microchip cites explicitly for the dsPIC33EV family: the 5V core survives the electrically noisy environment of washers, cookers, and HVAC equipment where motor commutation spikes and relay switching are routine. The DSPIC33EV64GM102T-I/SO integrates touch sensing via the CTMU, drives induction or BLDC motors through its PWM and op-amp peripherals, and connects to displays or other boards via UART/SPI/I2C. Its 64KB ECC Flash accommodates control plus UI firmware in a single 28-pin device, saving board area and cost versus a two-chip MCU-plus-DSP solution. The industrial -40C to +85C I-grade temperature range covers unheated garage or outdoor appliance installations.
Recommended
SENT and Analog Sensor Interfaces
The DSPIC33EV64GM102T-I/SO is well matched to sensor-interface nodes because it combines hardware SENT (SAE J2716) support, a CTMU for charge-based measurement, and three op amps that can amplify low-level signals from pressure, position, or current sensors before the on-chip ADC samples them. A typical use case conditions a ratiometric sensor output with an on-chip op amp, digitizes it, applies calibration and filtering in the 70 MIPS DSP engine, and transmits a SENT nibble stream to an ECU, replacing noisy analog wiring with a robust digital interface. The 5V supply directly powers many industrial and automotive sensors, eliminating extra rails, while ECC Flash safeguards calibration constants stored in program memory.
Recommended
Lighting and Power Control Units
Smart lighting ballasts, dimmers, and HID/LED driver controllers fit the DSPIC33EV64GM102T-I/SO because its PWM channels generate phase-cut or resonant switching patterns at 70 MIPS timing resolution, while the 5V core interfaces directly to optically isolated feedback used in mains-connected equipment. The CTMU can implement capacitive touch user interfaces on glass or plastic overlays common in modern luminaires and switch plates, and the CAN controller links multiple fixtures in networked installations. ECC Flash protects firmware in environments with significant electrical transients, and the small 28-SOIC footprint keeps controller board size compact for integration into luminaire housings or junction-box modules.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM102T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM102-I/SO | DSPIC33EV32GM102-I/SO | DSPIC33EV64GM102T-E/SO | DSPIC33EV64GM102T-M/SO | DSPIC33EV128GM102-I/SO | DSPIC33EV256GM002-E/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC (WSOIC-28) | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 70 MIPS, 5V | 70 MIPS, 5V | 70 MIPS, 5V | 70 MIPS, 5V | 70 MIPS, 5V | 70 MIPS, 5V | 70 MIPS, 5V |
| Flash Program Memory | 64KB ECC Flash | 64KB | 32KB | 64KB | 64KB | 128KB | 256KB |
| CAN Controller | Yes, CAN 2.0B | Yes | Yes | Yes | Yes | Yes | Yes |
| Packaging | Tape & Reel (T suffix) | Tube | Tray/Tube | Tape & Reel | Tape & Reel | Tray/Tube | Tray |
Key Differentiators
- Double the Flash of the cost-optimized sibling (vs DSPIC33EV32GM102-I/SO)
- Extended temperature option in same footprint (vs DSPIC33EV64GM102T-E/SO)
- Balanced memory density in the family (vs DSPIC33EV256GM002-E/SO)
- Tape-and-reel for automated assembly (vs DSPIC33EV64GM102-I/SO)
Design Notes
The dsPIC33EV64GM102 requires a 4.5V to 5.5V supply. In 24V industrial or 12V automotive systems, select a wide-input buck regulator (e.g., a 5V output stage with adequate transient response for the 70 MIPS core) and decouple each VDD pin with 100nF ceramic plus a bulk 4.7-10uF capacitor near the device. The I-grade device draws family-typical current on the order of tens of mA at full speed; verify exact IDD from the family data sheet for your thermal budget. Keep the MCLR pin pulled up through a 10k resistor with ICSP header access for field programming.
Place the ICSP programming header (MCLR, VDD, VSS, PGD, PGC) on the PCB even in production designs, since the dsPIC33EV supports in-circuit serial programming per the Flash Programming Specification (document 70005137). Keep the on-chip op-amp input traces short and away from PWM switching nets to avoid offset noise in current-sense paths. For the 28-SOIC, ensure a solid ground plane under the device; route CAN TX/RX as a matched pair with a common-mode choke near the transceiver for EMC compliance in automotive nodes.
Do not substitute the /SO footprint part with the /MM (28-QFN-S) or /SS (28-SSOP) variants without a PCB redesign - they are different footprints despite identical silicon. Temperature suffixes matter: the -I grade is -40C to +85C; underhood designs need the -E grade. Also confirm Flash capacity before selecting a 32KB drop-in: FOC firmware with CAN stacks can exceed 32KB, so validate your final code size with the XC16 linker memory report before switching to DSPIC33EV32GM102-I/SO.
Compliance Information
RoHS compliance per distributor listings (DigiKey/LCSC). AEC-Q100 qualification status not stated in provided data - confirm with Microchip for the specific ordering code. REACH/halogen/conflict-minerals status not found in provided data.
