DSPIC33EV64GM103-I/M5 - 70MIPS 5V DSC, CAN | Microchip
MPN: DSPIC33EV64GM103-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.2 | $42.00 |
| 100 | $3.85 | $385.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $3.1 | $3,100.00 |
DSPIC33EV64GM103-I/M5 Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, the dsPIC33EV family sits between general-purpose 16-bit MCUs and full DSPs, targeting deterministic real-time control loops such as field-oriented motor control and switch-mode power conversion.
Key features include native 5V operation (4.5V to 5.5V supply), which removes external level-shifting in harsh industrial and automotive electrical environments, single-cycle MAC and DSP instructions for fast control mathematics, ECC-protected Flash for functional safety (FuSa) designs, and Peripheral Pin Select (PPS) for flexible pin mapping.
The dsPIC33E architecture implements a modified Harvard pipeline with 24-bit instruction words, hardware divide support, and a DMA controller that offloads CAN, ADC, and UART data movement from the CPU core. The three integrated op-amps can be cascaded with the internal 10/12-bit ADC to build current-sense amplification directly on-chip, reducing bill-of-material cost in motor drives.
Typical applications include BLDC and PMSM motor control, CAN-based automotive body and powertrain nodes, sensor conditioning using CTMU, and SENT-interface automotive sensors.
Design consideration: the -I (industrial) temperature suffix covers -40C to +85C; the -E suffix extends to +125C if higher ambient is required.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV64GM103-I/M5 — 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 DSPIC33EV64GM103-I/M5 (same form factor and footprint) — differing in Core, Supply Voltage, Package, Operating Temperature, Motor Control PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM103-E/M5
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM103T-I/M5
✅ Drop-In✓ In Stock
$3.52 / Unit
View Datasheet →DSPIC33EV256GM003T-I/M5
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EV64GM103-I/M5 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| Max MIPS | 70 MIPS |
| Max Clock Frequency | 60 MHz (70 MIPS core) |
| Program Memory Size | 64 KB (22K x 24) Flash |
| Program Memory Type | Flash with ECC |
| Data RAM Size | 8 kB |
| Supply Voltage | 4.5 V to 5.5 V |
| CAN Module | Yes, CAN 2.0B |
| Motor Control PWM | 6 MC PWM channels |
| Analog Comparators / Op Amps | 3 on-chip op amps |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| Number of Cores | 1 |
| Mounting Style | SMD/SMT |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 36-UQFN (5x5 mm) Exposed Pad |
| Series | dsPIC 33EV, Functional Safety (FuSa) |
| Peripheral Pin Select | Yes (PPS) |
DSPIC33EV64GM103-I/M5 36-uqfn (5x5 mm) exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EV64GM103-I/M5 (36-uqfn (5x5 mm) exposed pad 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 DSPIC33EV64GM103-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM103-I/M5 is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive CAN Network Nodes, Industrial Power Supplies and Digital Power Conversion, SENT and Sensor Interface Modules, Home Appliances, Functional Safety and Industrial Automation.
BLDC/PMSM Motor Control
The DSPIC33EV64GM103-I/M5 fits motor control because its 70 MIPS dsPIC33E core executes field-oriented control (FOC) current loops with single-cycle MAC/DSP instructions at loop rates well beyond the 10-20 kHz PWM frequencies typical of BLDC and PMSM drives. Its 6 channels of complementary motor-control PWM with hardware dead-time insertion drive three-phase inverter legs directly, while the 3 on-chip op amps condition shunt-resistor phase-current signals into the internal ADC, eliminating external amplifier ICs. In use, the ADC is triggered by the PWM module to sample phase currents at the center of the PWM period, minimizing switching noise in the measurement. The 5V supply also matches common gate-driver logic thresholds. Trade-off: an on-chip op amp's bandwidth and offset are modest compared to precision external amplifiers, so very low-shunt or high-accuracy designs may still prefer external signal conditioning.
Recommended
Automotive CAN Network Nodes
The integrated CAN 2.0B controller makes the DSPIC33EV64GM103-I/M5 a natural fit for automotive body, comfort, and auxiliary control nodes communicating at up to 1 Mbps. The 5V-tolerant I/O and -40C to +85C industrial grade (with the -E variant extending to +125C) address the harsh electrical environment of vehicle harnesses. In a typical node, the CAN TX/RX pins map through Peripheral Pin Select to an external CAN transceiver (such as an MCP2551-class part), and the DMA controller moves CAN frames without CPU intervention, keeping the 70 MIPS core free for application logic. ECC Flash protects code integrity for functional-safety-oriented designs. Performance consideration: the GM103 offers one CAN channel; applications requiring multiple independent CAN buses should step to larger family members or add external CAN controllers.
Recommended
Industrial Power Supplies and Digital Power Conversion
For digitally controlled switch-mode power supplies (AC-DC, DC-DC, PFC stages), the DSPIC33EV64GM103-I/M5 provides the fast control-loop arithmetic (single-cycle MAC at 70 MIPS), high-resolution PWM, and 5V operation demanded in industrial power electronics. The CTMU supports precise timing measurement tasks, and the ADC can sample output voltage/current feedback synchronously with PWM events to minimize control-loop latency. Because the core is a DSC rather than an MCU, compensator calculations (PI/PID or 2p2z filters) execute deterministically cycle by cycle, which is critical for loop stability. Design consideration: verify PWM resolution and ADC timing against your switching frequency in the family data sheet; at very high switching frequencies (>500 kHz), dedicated digital-power controllers may offer finer PWM granularity than the dsPIC33EV family.
Recommended
SENT and Sensor Interface Modules
The hardware SENT peripheral (SAE J2716 Single Edge Nibble Transmission) positions the DSPIC33EV64GM103-I/M5 for automotive sensor-interface modules that must decode or generate SENT signals natively, and the CTMU (Charge Time Measurement Unit) enables capacitive and time-domain measurements for touch or precision-timing sensing. Combined with the on-chip 3 op amps, the device can buffer and condition analog sensor outputs before digitization. The 5V supply directly powers and interfaces with many legacy 5V sensor ecosystems common in automotive and industrial equipment, removing level-shifting components. In a typical use, SENT input frames are decoded in hardware and DMA-transferred to RAM, offloading timing-critical decoding from software. Consideration: SENT frames carry CRC; verify error-handling firmware against the family reference manual SENT chapter before production.
Recommended
Home Appliances
Microchip positions the dsPIC33EV family explicitly for appliance applications such as washing machines, refrigerators, compressors, fans, and pumps, where the DSPIC33EV64GM103-I/M5 drives the variable-speed motor and handles user-interface and protection logic on one die. The 5V I/O tolerates the electrically noisy appliance environment better than 3.3V MCUs, and ECC Flash maintains code integrity across brownouts. A single DSC can run the FOC motor loop at 70 MIPS while a state machine manages door locks, error codes, and CAN or UART links to a display board via Peripheral Pin Select. The 64 KB Flash accommodates combined motor-control and UI firmware. Design consideration: appliances demand EMI robustness - use the exposed pad tied to ground plane and follow Microchip's appliance reference designs for layout and snubbing.
Recommended
Functional Safety and Industrial Automation
The dsPIC33EV family is designated Functional Safety (FuSa)-capable by Microchip, and the DSPIC33EV64GM103-I/M5's ECC Flash is the flagship feature supporting this: it detects and corrects single-bit memory upsets, a prerequisite for safety-oriented diagnostics. In factory automation equipment (drives, actuators, safety-monitored I/O), the 5V supply, industrial temperature range, deterministic 70 MIPS core, and watchdog/CRC-capable peripherals allow designers to implement self-test routines demanded by safety concepts. Peripheral Pin Select enables flexible I/O assignment across board revisions, protecting layout investment. Performance consideration: the part itself is not pre-certified to a safety standard; system-level certification remains the designer's responsibility, supported by Microchip's FuSa collateral and the documented ECC/diagnostic features in data sheet DS70005144H.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM103-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM103-E/M5 | DSPIC33EV128GM103T-I/M5 | DSPIC33EV256GM003T-I/M5 |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-UQFN (5x5 mm) Exposed Pad (M5) | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same |
| Core / MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS |
| Program Flash | 64 KB (22K x 24) ECC | 64 KB ECC | 128 KB ECC | 256 KB ECC |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Lifecycle Status | Active | Active | Active | Active |
Key Differentiators
- Native 5V operation with 5V-tolerant I/O (vs DSP56F803BU80E)
- ECC Flash for functional safety support (vs DSP56F803BU80E)
- Extended temperature sibling for harsh environments (vs DSPIC33EV128GM103T-I/M5)
- Flash headroom on the same footprint for firmware growth (vs DSPIC33EV64GM103-E/M5)
Design Notes
The M5 package is a 36-pin UQFN with an exposed thermal pad that must be soldered to a grounded copper pad on the PCB - it is not optional; it serves as the primary ground connection and heat path. Use a solder-mask-defined window over the thermal land with several via arrays (e.g., 3x3 or 4x4 vias) connecting to internal ground planes. Follow Microchip's UQFN soldering guidelines in the packaging section of the family data sheet DS70005144H for stencil aperture design, since UQFN packages are prone to solder bridging with oversized apertures.
Decouple each VDD/VSS pin pair with 0.1 uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 4.7-10 uF capacitor near the device. The 5V rail in industrial/automotive environments carries significant transients; a ferrite bead plus bulk capacitance at the board entry point improves immunity. Ensure the 4.5V-5.5V operating window is respected under all load and brownout conditions - below 4.5V, flash programming and core timing specifications are no longer guaranteed. Consider a supervisor/reset IC or configure the internal brown-out reset for production reliability.
Peripheral Pin Select (PPS) is powerful but introduces two classic pitfalls: (1) remappable outputs must be unlocked via the PPS unlock sequence, and (2) inadvertent double-assignment of an RPn pin causes bus contention. Keep a pin-map table in firmware comments and assign PPS before enabling peripherals. For the CAN interface, route CxTX/CxRX to the transceiver with short, matched traces and place a common-mode choke near the connector for EMC compliance in industrial networks. For analog inputs feeding the op amps/ADC, guard with ground and avoid routing PWM lines underneath.
Estimated: for typical digital workloads the DSPIC33EV64GM103-I/M5 dissipates on the order of 100-300 mW (70 MIPS core, 5V supply, moderate I/O loading), producing a junction rise of only a few tens of degrees over ambient through the exposed pad. This is comfortably within the -40C to +85C industrial rating. However, if the device drives high continuous I/O source/sink currents, add the I/O power to the budget: Estimated at 20 pins sourcing 10 mA each, I/O dissipation alone is 1 W, which in a 5x5 mm UQFN requires verified copper pour area. For ambient above +85C, select the -E grade variant.
Do not confuse dsPIC33EV flash sizing conventions: 64 KB of Flash is addressed as 22K x 24-bit instructions, so a linker report of ~22K instruction words is expected, not an error. Second, the -I suffix device is rated only to +85C ambient - selecting it for under-hood automotive positions by mistake is a common BOM error; use -E for +125C. Third, the on-chip op amps have limited bandwidth compared to discrete amplifiers; validate current-loop phase margin when using them in FOC drives. Always check the errata sheet for your specific device revision before tape-out.
Compliance Information
The provided web data does not include explicit RoHS/REACH/lead-free statements for DSPIC33EV64GM103-I/M5. The family is described as targeting automotive applications and Functional Safety (FuSa), but AEC-Q100 qualification for this specific ordering code was not stated in the verified data. Verify compliance on the official Microchip product page or its environmental data sheet.
