DSPIC33EV128GM006-I/MR - 16-bit 70 MIPS 5V DSC 64-VQFN | Microchip
MPN: DSPIC33EV128GM006-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.72 | $1,860.00 |
| 1,000 | $3.3 | $3,300.00 |
DSPIC33EV128GM006-I/MR Overview
A digital signal controller combines the computational architecture of a microcontroller with DSP capability, sitting between a general-purpose MCU and a dedicated DSP in the system hierarchy. The dsPIC33EV family targets single-chip embedded control where robust 5V I/O, deterministic interrupt response, and math-intensive loops must coexist - a common requirement in motor drives, power conversion, and harsh-environment sensing nodes.
Key features include a 5V-tolerant operating range (the entire dsPIC33EV family is designed for direct 5V industrial environments without level shifting), 70 MIPS peak performance from an on-chip PLL, dual-source peripheral clocking, and a peripheral pin select (PPS) architecture that remaps digital peripherals to arbitrary RPn pins for maximum layout flexibility. On-chip peripherals include motor-control PWM, DMA, brown-out reset, watchdog timer, and power-on reset per the family datasheet.
The core executes DSP instructions (MAC, DSP multiply-accumulate) with single-cycle execution, while the 16-bit Modified Harvard architecture keeps deterministic code density high. Functional Safety (FuSa) documentation support makes the device suitable for safety-relevant industrial designs. The -I temperature grade supports -40C to +85C operation.
Typical applications include sensorless BLDC and PMSM motor control in appliances, automotive auxiliary systems, industrial power supplies, and analog-heavy 5V sensor interfaces where a 3.3V MCU would require level translators.
Designers should budget the exposed thermal pad for solid ground connection and verify Flash programming voltage per the Flash Programming Specification.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV128GM006-I/MR — 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 DSPIC33EV128GM006-I/MR (same form factor and footprint) — differing in Package, Core Architecture, Peripherals, Operating Temperature, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM006-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EV64GM006-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.95 / Unit
View Datasheet →DSPIC33EV128GM006-H/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM106-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.3 / Unit
View Datasheet →DSPIC33EV128GM006-I/MRW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM006-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Maximum Performance | 70 MIPS |
| Flash Program Memory | 128KB (43K x 24) |
| RAM | 8KB |
| Operating Voltage | 5V (dsPIC33EV 5V family) |
| Package | 64-VQFN (9x9 mm) exposed pad, MR |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Peripherals | Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT |
| Peripheral Pin Select | Yes (PPS, RPn remappable) |
| Safety Qualification Support | Functional Safety (FuSa) |
| Series | dsPIC33EV128GM0 |
| Data Bus Width | 16 bit |
DSPIC33EV128GM006-I/MR 64-vqfn (9x9 mm) exposed pad, mr Pin Configuration Guide
Pin configuration for DSPIC33EV128GM006-I/MR (64-vqfn (9x9 mm) exposed pad, mr 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 DSPIC33EV128GM006-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM006-I/MR is suitable for 6 applications: Sensorless BLDC/PMSM Motor Control, Appliance Control Boards, Automotive Auxiliary Control Units, Industrial Power Conversion and Digital Power Supplies, 5V Sensor Interfaces and Data Acquisition, Embedded Communication Gateways.
Sensorless BLDC/PMSM Motor Control
The DSPIC33EV128GM006-I/MR fits motor control because its 70 MIPS DSP core executes single-cycle MAC instructions for field-oriented control loops, while dedicated motor-control PWM peripherals generate complementary or independent PWM outputs with dead-time control. Microchip positions the dsPIC33EV family explicitly as a 5V robust DSC with safety motor control. The 5V I/O connects directly to gate drivers and shunt-amplifier outputs typical of appliance drives, avoiding level shifters. In a typical design the DSC runs the current loop at 10-20 kHz with ADC-sampled phase currents, using DMA to move results without CPU overhead; the main trade-off versus a dedicated motor ASSP is firmware effort, repaid by full flexibility in commutation and protection strategies.
Recommended
Appliance Control Boards
Home appliances combine noisy motor loads, mains-derived supplies, and 5V-era sensors - exactly the harsh environment Microchip cites for the dsPIC33EV family. The DSPIC33EV128GM006-I/MR provides 128KB of Flash, enough for UI logic, communication stacks, and control loops in a single chip, while 5V-tolerant I/O improves noise margin against relay and motor switching transients. The 64-VQFN package keeps the controller footprint compact on cost-sensitive single-sided-dense boards. PPS peripheral remapping lets the layout route traces first and assign UART/SPI/PWM pins afterward, easing placement. Typical designs pair the DSC with a 5V LDO and a watchdog-enabled brown-out strategy; the on-chip POR, BOR, and WDT satisfy basic appliance robustness requirements without external supervisor ICs.
Recommended
Automotive Auxiliary Control Units
For non-powertrain automotive nodes such as touch/control units and sensors, Microchip's dsPIC33EV GM family page highlights operation amid noise and vibration. The AEC-Q100-qualified sibling DSPIC33EV128GM006-H/MR shares the exact die and 64-VQFN footprint, so a design validated on the -I/MR can migrate to the qualified -H/MR with no PCB change. The 5V I/O directly reads legacy 5V automotive sensors and drives gate drivers for actuators such as pumps and flaps. The DSP engine handles sensor signal processing (e.g., demodulation, filtering) at 70 MIPS. Functional Safety (FuSa) documentation availability supports ISO 26262-relevant development processes for the qualified variant; designers should confirm the specific safety manual with Microchip.
Recommended
Industrial Power Conversion and Digital Power Supplies
Digitally controlled AC-DC and DC-DC converters need deterministic control loops plus fast PWM fault response. The DSPIC33EV128GM006-I/MR delivers both: motor-control PWM modules support complementary outputs with dead-time, and the 70 MIPS core closes voltage/current loops with single-cycle MAC throughput, while DMA offloads ADC result handling. Its 5V supply rails match common optocoupler and gate-driver bias levels in isolated industrial supplies, reducing interface components. The 128KB Flash accommodates compensation algorithms, housekeeping, and PMBus-style communication. A design consideration is ADC latency versus loop bandwidth - verify ADC conversion time in DS70005144H against your switching frequency; above roughly 500 kHz switching, a dedicated digital-power controller may close loops faster.
Recommended
5V Sensor Interfaces and Data Acquisition
Many industrial sensors - strain gauges, pressure transducers, thermocouple transmitters - still output 5V-referenced signals. The DSPIC33EV128GM006-I/MR digitizes these directly: its 5V operation removes level-shifting and maximizes ADC input range, while the DSP engine applies digital filtering (IIR/FIR) at 70 MIPS. PPS lets the designer map multiple UART/SPI ports to sensors and a host link simultaneously on the 64 available pins. DMA moves sample streams to RAM without CPU intervention, sustaining high sample rates for vibration or power-quality monitoring. In noise-heavy plants, the 5V logic thresholds give roughly 1.5 V of noise margin over 3.3V systems per logic-level calculations - a practical robustness advantage in the harsh environments the family targets.
Recommended
Embedded Communication Gateways
Factory-floor gateways must bridge CAN, RS-485/UART, and SPI devices under electrical stress. The 64-pin DSPIC33EV128GM006-I/MR provides enough pins and PPS flexibility to host several serial ports concurrently, mapping each peripheral to optimal package pins. The 128KB Flash holds multiple protocol stacks, and 8KB RAM buffers message queues. The 5V I/O simplifies RS-485 transceiver interfacing where 5V parts remain the industrial norm, and the device's brown-out and watchdog peripherals protect message integrity during supply dips. For deterministic throughput, DMA services the UART FIFOs; note that the CAN module count and exact ECAN feature set should be confirmed in DS70005144H before committing the network architecture to this specific device.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM006-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM006-I/MR | DSPIC33EV64GM006-I/MR | DSPIC33EV128GM006-H/MR | DSPIC33EV128GM106-I/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm, MR) | 64-VQFN (9x9 mm, MR) - same | 64-VQFN (9x9 mm, MR) - same | 64-VQFN (9x9 mm, MR) - same | 64-VQFN (9x9 mm, MR) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128KB (43K x 24) | 256KB | 64KB | 128KB | 256KB |
| Performance | 70 MIPS | 70 MIPS | 70 MIPS | 40 MIPS (per Microchip USA listing) | 70 MIPS |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | AEC-Q100 qualified (grade per datasheet) | -40C to +85C (I grade) |
| Automotive Qualification | No (industrial) | No | No | Yes (AEC-Q100) | No |
| Safety Support | Functional Safety (FuSa) family | Yes (same family) | Yes (same family) | Yes (FuSa, AEC-Q100) | Yes (same family) |
| Pin Compatibility | 64-pin VQFN dsPIC33EV GM006 pinout | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical |
Key Differentiators
- Native 5V operation with high noise margin (vs DSPIC33EP64MC504-E/MV)
- Double the Flash for firmware growth at near-identical cost (vs DSPIC33EV64GM006-I/MR)
- Automotive migration path without PCB respin (vs DSPIC33EV128GM006-H/MR)
- Trade-off: higher memory cost versus smaller-footprint siblings (vs DSPIC33EV64GM006-I/MR)
Design Notes
The exposed pad of the 64-VQFN (MR) package must be soldered to a grounded copper pour with an array of thermal vias. Beyond heat dissipation, this pad is the principal low-inductance ground return for the DSC - a floating or voided exposed pad is one of the most common causes of erratic PPS/peripheral behavior and EMI failures in dsPIC QFN designs. Follow Microchip's layout guidelines in the family datasheet and reference the vendor QFN soldering application notes before finalizing the stencil aperture design.
As a 5V family part, decouple each VDD pin pair with 0.1uF ceramic capacitors placed within 2-3 mm of the pins, plus one bulk 4.7-10uF capacitor near the package. Because dsPIC33EV runs its core from an internal regulator, follow the datasheet's recommended VDDCORE capacitor value and layout exactly - incorrect core-regulator decoupling can cause spurious resets at 70 MIPS. Verify the exact VDD min/max window in DS70005144H electrical characteristics before finalizing the 5V rail tolerance.
Peripheral Pin Select (PPS) means default pin functions are NOT guaranteed: every remappable RPn input/output must be explicitly locked in software at startup (write PPS then set the lock bit), or peripherals silently fail. Also confirm programming voltage and ICSP pin availability in the Flash Programming Specification - reserving MCLR/PGD/PGC pads as test points costs little and avoids in-circuit rework. Estimated: budget 10-15% of Flash for bootloader and safety code when 128KB looks tight.
Compliance Information
Compliance data not present in the provided web data. Note: the related DSPIC33EV128GM006-H/MR variant is AEC-Q100 qualified per Microchip USA; the -I/MR standard part itself was not stated as qualified in the provided data.
