DSPIC33EV32GM106-I/PT - 5V 70MIPS 16-bit DSC 64-TQFP | Microchip
MPN: DSPIC33EV32GM106-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.1 | $5.10 |
| 10 | $4.62 | $46.20 |
| 100 | $4.18 | $418.00 |
| 500 | $3.8 | $1,900.00 |
| 1,000 | $3.45 | $3,450.00 |
DSPIC33EV32GM106-I/PT Overview
A digital signal controller combines the compute architecture of a microcontroller with DSP engine features such as a hardware barrel shifter, single-cycle MAC, and dual operand fetch, making DSCs well suited to closed-loop control and signal processing tasks. The dsPIC33EV family sits within Microchip's broader 16-bit DSC hierarchy and is specifically engineered for 5V industrial, appliance, and automotive environments where 3.3V-only MCUs require extra level-shifting circuitry.
Key features include a 5V tolerant operating supply that simplifies interfacing with automotive sensors, up to 70 MIPS core performance with DSP instructions, on-chip peripherals for motor control including high-resolution PWM, SENT peripheral support per the family datasheet, integrated op amps on qualifying family members, 4 DMA channels, and 9 timers with 3 external interrupt sources as listed in distributor data.
Architecturally, the dsPIC33EV core uses an enhanced Harvard bus structure with multiple internal buses, supporting deterministic real-time behavior. The fixed-point DSP engine accelerates filters and control loops without external hardware. Flash program memory is 32 KB (11K x 24 words), and the device operates from a single 5V supply across the industrial temperature range implied by the -I suffix.
Typical applications include brushless DC and PMSM motor drives, power conversion, automotive body and sensor modules, induction heating, and industrial appliances operating on noisy 12V/24V rails where native 5V I/O reduces component count.
For design, verify pin compatibility across the GM106 flash-size variants before second-sourcing, since the 64-pin TQFP footprint is shared but Flash density differs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV32GM106-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 DSPIC33EV32GM106-I/PT (same form factor and footprint) — differing in Package, Flash Program Memory, Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM106-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM106-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM106T-I/PT
✅ Drop-In✓ In Stock
$3.86 / Unit
View Datasheet →DSPIC33EV256GM106T-I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EV64GM106-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM106-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum Clock Performance | 70 MIPS |
| Flash Program Memory | 32 KB (11K x 24 words) |
| RAM | 4 KB |
| Supply Voltage | 5 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| DMA Channels | 4 |
| Timers | 9 |
| External Interrupt Sources | 3 |
| Shifter | Barrel shifter |
| Temperature Grade | -I (industrial), per Microchip suffix convention |
| Peripherals | PWM, SENT, Advanced Analog (per family description) |
| Process Technology | CMOS |
| Series | dsPIC33EV32GM1 |
DSPIC33EV32GM106-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV32GM106-I/PT (64-tqfp (10x10 mm) 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 DSPIC33EV32GM106-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM106-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Body and Sensor Modules, Industrial Power Conversion, Home Appliances (Washing Machines, Compressors), Induction Heating and Cooking, Industrial Sensing and SENT Networks.
BLDC / PMSM Motor Control
The DSPIC33EV32GM106-I/PT fits brushless DC and permanent-magnet synchronous motor drives because its 70 MIPS dsPIC33E core executes field-oriented-control loops with DSP headroom while the native 5V operation directly interfaces with gate drivers and automotive-level sensors. The family's high-resolution PWM and complementary outputs drive three-phase inverters, and the DSP barrel shifter plus single-cycle MAC accelerate Clark/Park transforms and PI current loops. Placed between the rectified DC bus sensing network and the gate-driver stage, the DSC samples phase currents via its advanced analog peripherals and generates PWM at switching frequencies typical of appliance drives. The 32 KB Flash accommodates sensorless startup, protection state machines, and communication; larger-footprint GM106 Flash variants allow FOC table expansion without PCB change.
Recommended
Automotive Body and Sensor Modules
The DSPIC33EV32GM106-I/PT suits automotive modules because the dsPIC33EV family is positioned by Microchip for harsh automotive environments, and its native 5V supply matches automotive sensor output ranges such as 0.5-4.5V analog signals without level shifting. The SENT peripheral implements the SAE J2716-style single-edge-nibble-transport interface used by throttle-position and pressure sensors, offloading protocol timing from CPU software. With 3 external interrupt sources and 9 timers, the device handles LIN-style polling schedules, switch debouncing, and diagnostic scheduling concurrently. For extended ambient compartments such as under-hood locations, the extended-temperature DSPIC33EV32GM106-E/PT drop-in variant covers the wider range on the same 64-TQFP footprint. Engineers should verify the exact qualification level required by the vehicle OEM program before final part selection.
Recommended
Industrial Power Conversion
In industrial power conversion such as digital power supplies, PFC stages, and inverters, the DSPIC33EV32GM106-I/PT provides deterministic PWM generation and fast interrupt latency from its 70 MIPS core, which is essential for cycle-by-cycle current-mode control. The 5V-tolerant I/O connects directly to optocoupler and gate-driver circuitry common in industrial power boards, while the 4 DMA channels stream ADC results to RAM without CPU intervention, keeping control-loop jitter low. The 32 KB Flash holds the compensator code, protection routines (overcurrent, overvoltage, brownout), and a modbus or similar communication stack. The DSC's DSP engine computes the proportional-integral compensator within a single switching period even at tens-of-kilohertz switching frequencies. Estimated: budget roughly 5V x tens-of-mA core supply current per family-typical figures; confirm exact ICC in the datasheet electrical specifications.
Recommended
Home Appliances (Washing Machines, Compressors)
The DSPIC33EV32GM106-I/PT matches appliance motor-drive requirements because Microchip explicitly targets the dsPIC33EV family at appliances operating from noisy mains-derived supplies, where the 5V core tolerates supply transients better than 3.3V-only MCUs. A washing-machine or refrigerator-compressor drive uses the DSC's PWM outputs to drive an IGBT or MOSFET inverter, its advanced analog inputs to monitor DC-bus voltage and phase current, and its DSP capability to run sensorless back-EMF or sliding-mode observers. The 32 KB Flash accommodates the drive algorithm plus housekeeping such as unbalance detection and fault logging. The 64-TQFP 10x10 mm package provides enough GPIO for user-interface scanning and door-lock interlocks. The extended-temperature -E variant is available drop-in for dishwasher and oven-adjacent environments where ambient temperatures exceed the industrial range.
Recommended
Induction Heating and Cooking
Induction-cooking and induction-heating resonant converters benefit from the DSPIC33EV32GM106-I/PT because resonant frequency tracking demands a fast control loop: the 70 MIPS core services zero-crossing interrupts from the resonant tank and adjusts PWM phase or frequency within microseconds. The native 5V logic directly drives the gate-driver optocouplers used to isolate the mains-side inverter, and the 9 timers provide the precise timing units needed for soft-start sweeps and pan-detection sequences. The 32 KB Flash holds the frequency-tracking state machine, overcurrent/overvoltage protection, and power-level scheduling. The 4 DMA channels keep ADC sampling of rectified current synchronized to switching events, minimizing CPU load. On the same 64-TQFP footprint, designers can move to the 256 KB Flash variant if a HMI or connectivity stack is later merged onto the same controller.
Recommended
Industrial Sensing and SENT Networks
For industrial and automotive sensing nodes that transmit measurements over SENT, the DSPIC33EV32GM106-I/PT integrates the SENT peripheral in hardware, generating spec-compliant nibble streams and CRC without software bit-banging, which frees the 70 MIPS core for signal conditioning such as linearization and digital filtering via the DSP MAC unit. The 5V analog front end tolerates sensor supply rails directly, and the 3 external interrupt sources support wake-on-event operation for low-duty-cycle nodes. The 64-TQFP package exposes enough GPIO for multi-sensor multiplexing and local diagnostics indication. Because the family shares one die across Flash densities, a sensing platform can be qualified once and then populated with the 32 KB part for simple channels or the 128/256 KB variants for nodes that add firmware-update and diagnostic logging, all without PCB redesign.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM106-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM106-E/PT | DSPIC33EV128GM106T-I/PT | DSPIC33EV256GM106T-I/PT | DSPIC33EV64GM106-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 128 KB | 256 KB | 64 KB |
| Core Performance | 70 MIPS, 16-bit 5V DSC | 70 MIPS, 16-bit 5V DSC | 70 MIPS, 16-bit 5V DSC | 70 MIPS, 16-bit 5V DSC | 70 MIPS, 16-bit 5V DSC |
| Temperature Grade | -I (industrial) | -E (extended) | -I (industrial) | -I (industrial) | -I (industrial) |
| SENT / PWM Peripherals | Yes (family feature) | Yes (same die) | Yes (same die) | Yes (same die) | Yes (same die) |
| Typical Role | Cost-optimized motor control / sensing | Harsh-environment variant of same function | Firmware headroom for logging/protocols | FOC + connectivity / field upgrade | Mid-density firmware growth path |
Key Differentiators
- Lowest-cost entry into the 64-pin GM106 footprint (vs DSPIC33EV256GM106T-I/PT)
- Extended-temperature drop-in option for harsh environments (vs DSPIC33EV32GM106-E/PT)
- In-footprint firmware growth path (vs DSPIC33EV128GM106T-I/PT)
Design Notes
For the 64-TQFP (10x10 mm) land pattern, follow the IPC-recommended footprint from the Microchip datasheet and place a 100 nF ceramic decoupling capacitor at each supply pin pair, within 2-3 mm of the pin, plus one bulk capacitor (4.7-10 uF) near the corner supply entry. Route the oscillator traces short and guard them from PWM switching nets. Because the GM106 multiplexes analog and digital functions on many pins, confirm final pin assignment early and reserve test points on PWM outputs and ADC inputs for production bring-up.
In motor-drive layouts, keep the PWM output traces from the DSPIC33EV32GM106-I/PT to the gate drivers as short as practical and route them away from analog sense lines; the fast edges can capacitively couple into ADC inputs and corrupt current sampling. Use a dedicated analog ground island referenced back to the DSC at a single point. Microchip's dsPIC33EV motor-control reference designs show star-ground and snubber placement practice; mirroring that layout avoids most field EMI failures.
Do not assume pin compatibility across the dsPIC33EV family without checking the datasheet: the GM102/GM104/GM106 members differ in pin count and peripheral mapping even though the core is identical. Also verify the ordering-code suffix: the -I (industrial) and -E (extended temperature) grades, and tape-and-reel T suffixes, must match production and reflow requirements. Finally, 32 KB Flash fills quickly with FOC plus communication stacks - plan a migration path to the same-footprint 64/128/256 KB GM106 variants before code freeze.
Compliance Information
Compliance status not stated in the provided web data; verify on the Microchip product page compliance documentation. The family is positioned by Microchip for automotive applications, but AEC-Q100 qualification for this specific ordering code must be confirmed with Microchip.
