DSPIC33EV128GM104T-I/PT - 5V 70 MIPS 128KB DSC | Microchip
MPN: DSPIC33EV128GM104T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.62 | $46.20 |
| 100 | $4.1 | $410.00 |
| 500 | $3.72 | $1,860.00 |
| 1,000 | $3.38 | $3,380.00 |
DSPIC33EV128GM104T-I/PT Overview
A digital signal controller combines the compute throughput of a DSP core with the peripheral integration and deterministic interrupt behavior of a microcontroller, sitting within the wider power management and embedded control hierarchy of semiconductor devices. DSCs are the standard choice where closed-loop control loops (motor FOC, digital power, battery management) must execute fast, mathematically intensive algorithms with predictable timing.
Key features of the dsPIC33EV128GM104 include a 5V-tolerant robust core designed for harsh electrical environments, an on-chip CAN 2.0B module for automotive and industrial networking, six motor-control PWM channels, three integrated op-amps that reduce external analog component count, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight measurements, and a SENT peripheral for automotive sensor interfaces. ECC Flash protects program memory against single-bit faults, supporting functional safety (FuSa) development.
Architecturally, the device uses a modified Harvard 16-bit pipeline with DSP multiply-accumulate instructions, dual operand fetch, and hardware division, allowing filtering and transform algorithms to run at the full 70 MIPS rate. The rich analog front end (op-amps plus 12-bit ADC) enables direct connection of current shunts and sensor signals.
Typical applications include brushless DC and PMSM motor control for appliances and power tools, automotive body and powertrain auxiliary modules using CAN and SENT, industrial sensors, and switch-mode power supplies requiring digital control.
Design-wise, exploit the 5V core to simplify interfacing with legacy 5V sensors and reduce BOM cost by removing level shifters; budget careful decoupling (0.1uF per VDD pin plus bulk capacitance) and plan the oscillator source early, since the PLL multipliers determine whether the full 70 MIPS ceiling is reachable.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing selection and comparison value beyond the standard product listing.
Drop-in alternatives for DSPIC33EV128GM104T-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 DSPIC33EV128GM104T-I/PT (same form factor and footprint) — differing in Core Architecture, Package, Data RAM, Operating Temperature, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM104-I/PT
✅ Drop-In✓ In Stock
$3.75 / Unit
View Datasheet →DSPIC33EV256GM104T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM104T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM004T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EP128GM304T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EV128GM104T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC (modified Harvard) |
| Max CPU Speed | 70 MIPS (60 MHz) |
| Supply Voltage | 5 V |
| Flash Memory | 128 KB (ECC Flash, 43K x 24) |
| SRAM | 8 KB |
| CAN Interface | Yes (CAN 2.0B) |
| Motor Control PWM | 6 channels |
| On-chip Op-Amps | 3 |
| CTMU | Yes |
| SENT Interface | Yes |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 44-pin TQFP (PT) |
| Mounting Type | Surface Mount |
| Functional Safety Support | Yes (FuSa, ECC Flash) |
| Target Applications | Appliances, industrial, automotive |
| Packaging | Tape and Reel (T suffix) |
DSPIC33EV128GM104T-I/PT 44-pin tqfp (pt) Pin Configuration Guide
Pin configuration for DSPIC33EV128GM104T-I/PT (44-pin tqfp (pt) 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 DSPIC33EV128GM104T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM104T-I/PT is suitable for 6 applications: Brushless Motor Control, Automotive Body and Auxiliary Modules, Digital Power Supplies, Home Appliance Control, Industrial Sensors and Instrumentation, Power Tools and E-mobility.
Brushless Motor Control
The DSPIC33EV128GM104T-I/PT fits three-phase BLDC and PMSM drives because its six motor-control PWM channels provide complementary outputs with hardware dead-time, while the 70 MIPS DSP core executes field-oriented control loops with multiply-accumulate instructions at high update rates. The three on-chip op-amps amplify current-shunt signals directly, cutting external component count, and ECC Flash protects the control firmware against single-bit faults in electrically noisy motor environments. In a typical topology, the ADC samples phase currents synchronized to the PWM carrier, the DSC runs FOC math each cycle, and gate drivers are driven directly at 5V logic levels, reducing BOM cost versus 3.3V controllers that need level shifting.
Recommended
Automotive Body and Auxiliary Modules
Automotive auxiliary nodes benefit from this DSC's CAN 2.0B controller for in-vehicle networking and the SENT interface for reading smart sensors such as throttle position and pressure transmitters. Per Microchip, the 5V dsPIC33EV family is explicitly targeted at automotive and harsh-environment operation, and the -40C to +85C industrial grade covers most under-hood auxiliary zones. The CTMU adds capacitive-touch HMI inputs for panels and switches, while ECC Flash supports functional-safety documentation workflows. In a typical module, the DSC reads SENT sensors, drives relays or LEDs through PWM, and communicates status over CAN, all at 5V without external level translators.
Recommended
Digital Power Supplies
Switch-mode AC/DC and DC/DC converters use this DSC's high-speed PWM and DSP math to implement peak-current-mode or digital loop control with programmable compensation. Running at 70 MIPS from a 5V rail, the core closes voltage loops at switching frequencies common in telecom and appliance power stages, and the op-amps condition feedback shunt signals. The 5V-tolerant I/O interfaces directly with gate drivers and supervisory circuits, a real advantage over 3.3V DSPs. Firmware-based control also enables adaptive features such as burst mode, hiccup fault handling, and PMBus-style telemetry, which analog controllers cannot offer without extra silicon.
Recommended
Home Appliance Control
Washing machines, dishwashers, and air conditioners combine motor drives, user interfaces, and sensors - precisely the profile Microchip cites for the dsPIC33EV family in appliances. The 5V robust core tolerates the noisy, surge-prone electrical environment inside major appliances, the three op-amps and ADC handle motor current and temperature feedback, and the CTMU implements capacitive touch buttons on glass or plastic panels without dedicated touch chips. One 128KB ECC-Flash device can run the motor FOC loop, the touch HMI scanner, and communication simultaneously, consolidating functions that traditionally required separate motor-control and touch ICs and lowering total system cost.
Recommended
Industrial Sensors and Instrumentation
Industrial transmitters and portable instruments exploit this DSC's 12-bit ADC with three op-amps for direct sensor signal conditioning, its DSP instructions for digital filtering and RMS computation, and CAN or UART links for fieldbus connectivity. The 70 MIPS throughput supports simultaneous multi-channel sampling with on-the-fly calibration math, and the 5V core directly drives industrial signaling thresholds. ECC Flash maintains data integrity across years of continuous operation in electrically noisy plants, and the -40C to +85C rating suits outdoor and panel-mounted enclosures. Single-chip designs replace separate amplifier, ADC, MCU, and transceiver-glue chains, shrinking sensor PCB area and qualification effort.
Recommended
Power Tools and E-mobility
Cordless power tools and light e-mobility devices demand compact, high-current motor drives with robust 5V logic and protective firmware. The DSPIC33EV128GM104T-I/PT drives the three-phase inverter using its six MC PWM channels, senses battery current through on-chip op-amps, and manages protection (over-current, stall, thermal) in software with fast DSP loops. ECC Flash and the harsh-environment 5V design suit the vibration, EMI, and voltage-sag conditions of battery-powered equipment. Firmware flexibility also enables multi-tool platform reuse: one controller design scales across drill, grinder, and saw SKUs by changing only the motor parameter tables in flash.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM104T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM104-I/PT | DSPIC33EV256GM104T-I/PT | DSPIC33EV32GM104T-I/PT | DSPIC33EP128GM304T-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (PT) | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 3.3 V |
| Max Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128 KB ECC | 128 KB ECC | 256 KB ECC | 32 KB ECC | 128 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes |
| SENT / CTMU | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | No / No |
Key Differentiators
- 5V-tolerant robust core (vs DSPIC33EP128GM304T-I/PT)
- Automotive interface suite (SENT + CTMU) (vs DSPIC33EP128GM304T-I/PT)
- ECC Flash for functional safety (vs DSPIC33EV32GM104T-I/PT)
Design Notes
The dsPIC33EV runs from a 5V supply, so provide one 0.1uF ceramic decoupling capacitor at every VDD/VSS pin pair placed within 2 mm of the pins, plus a 10uF bulk capacitor near the device. Because the 70 MIPS core draws transient current during DSP loops, a tight power plane or thick trace network keeps VDD ripple within datasheet limits. If the 5V rail comes from a buck converter, add an RC or ferrite filter before the DSC supply pins.
Route the ICSP/ICD programming pins (PGD/PGC) to a standard 5-pin header even in production boards - in-circuit reprogramming avoids field-return rework. Keep the CAN transceiver as close to the CAN TX/RX pins as possible and use a split ground between the transceiver and the DSC analog domain. On-chip op-amp inputs are especially sensitive: guard them with ground pour and keep current-shunt traces Kelvin-routed to the amplifier input pins.
The T suffix means Tape-and-Reel - confirm your assembly house can accept the reel format and check the standard reel quantity before ordering prototypes; order the non-T tray version for hand placement. Also confirm the peripheral set of sibling parts before substituting: the GM004 variant has a reduced peripheral configuration versus the GM104 despite the same footprint, and dsPIC33EP parts are 3.3V devices that will be over-voltage damaged on a 5V rail.
Compliance Information
Compliance status not stated in provided web data; verify on the Microchip product page DSPIC33EV128GM104 before design release.
