dsPIC33EV256GM106T-I/PT - 16-bit 70 MIPS 5V DSC, 256KB Flash | Microchip
MPN: DSPIC33EV256GM106T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EV256GM106T-I/PT Overview
A digital signal controller combines the control peripherals of a microcontroller with the math capabilities of a digital signal processor. Within the power-management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes real-time control loops (PID, field-oriented control) while managing communication, sensing and sequencing tasks. The dsPIC33EV family from Microchip Technology is a 5V-tolerant branch of this DSC class, which removes external level-shifting in industrial and automotive rails that still run at 5V.
Key features include the 70 MIPS modified Harvard DSP core with DSP engine, barrel shifter and 40-bit accumulators, ECC-protected Flash for functional-safety designs, integrated op amps, high-resolution PWM with complementary outputs, SENT peripheral for automotive sensor interfaces, and multiple UART, SPI, I2C, QEI, CAN and DMA channels. The 5V operation distinguishes it from 3.3V MCUs, improving noise margins in harsh electrical environments.
Technically, the dsPIC33EV256GM106 executes most instructions in a single cycle at up to 70 MIPS, with hardware multiply-accumulate supporting fixed-point filtering and motor-control mathematics. The Flash is specified for 85.5K x 24-bit instruction words with ECC, and code execution is deterministic without cache. Peripheral pin-select allows flexible remapping of digital functions across the 53 I/O pins.
Typical applications include brushless DC and PMSM motor control in appliances, automotive body and powertrain subsystems, industrial sensors, power supplies and digital lighting. The built-in op amps and high-resolution PWM reduce external component count in sensor and power-conversion designs.
Design consideration: at 70 MIPS in a 10x10 mm TQFP, ensure solid ground and power distribution with multiple VDD/VSS pairs decoupled by 0.1 uF ceramics, and verify 5V signal integrity on high-speed communication lines.
This page synthesizes distributor inventory data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM106T-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 DSPIC33EV256GM106T-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core, Flash Program Memory, RAM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM106-E/PT
✅ Drop-In✓ In Stock
$5.75 / Unit
View Datasheet →DSPIC33EV256GM106-I/PT
✅ Drop-In✓ In Stock
$4.17 / Unit
View Datasheet →DSPIC33EV128GM106T-I/PT
✅ Drop-In✓ In Stock
$3.86 / Unit
View Datasheet →DSPIC33EV256GM104-E/P8
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EV256GM004-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.55 / Unit
View Datasheet →DSPIC33EV256GM106T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC core |
| Maximum CPU Speed | 70 MIPS |
| Flash Program Memory | 256 KB (85.5K x 24) with ECC |
| SRAM | 16 KB |
| Supply Voltage | 5 V |
| Package | 64-TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| I/O Pins | 53 |
| Peripherals | PWM, SENT, op amps, CAN, DMA, QEI |
| Communication Interfaces | UART, SPI, I2C, CAN |
| Architecture | Modified Harvard, fixed-point DSP with barrel shifter |
| Family | dsPIC33EV256GM1 |
| Functional Safety | FuSa capable (ECC Flash) |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
| Typical Applications | Appliances, industrial, automotive |
DSPIC33EV256GM106T-I/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low) / programming voltage |
| Pin 2 | AN0/VREF+/CN3/RB0 — Analog input 0 / positive voltage reference / change notification |
| Pin 3 | AN1/VREF-/CN2/RB1 — Analog input 1 / negative voltage reference |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEA index input |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEA encoder input / input capture 7 |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEB encoder input / input capture 8 |
| Pin 8 | AN6/OCLK/CN8/RB6 — Analog input 6 / external output compare clock |
| Pin 9 | AN7/U2CTS/CN9/RB7 — Analog input 7 / UART2 CTS |
| Pin 10 | AN8/U3CTS/CN10/RB8 — Analog input 8 / UART3 CTS |
| Pin 11 | AN9/U4CTS/CN11/RB9 — Analog input 9 / UART4 CTS |
| Pin 12 | AN10/IC1/CN12/RB10 — Analog input 10 / input capture 1 |
| Pin 13 | AN11/IC2/CN13/RB11 — Analog input 11 / input capture 2 |
| Pin 14 | AN12/IC3/CN14/RB12 — Analog input 12 / input capture 3 |
| Pin 15 | AN13/IC4/CN15/RB13 — Analog input 13 / input capture 4 |
| Pin 16 | AN14/IC5/CN16/RB14 — Analog input 14 / input capture 5 |
| Pin 17 | AN15/IC6/CN17/RB15 — Analog input 15 / input capture 6 |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply (5V) |
| Pin 20 | OC1/RD0 — Output compare 1 / digital I/O |
| Pin 21 | OC2/RD1 — Output compare 2 / digital I/O |
| Pin 22 | OC3/RD2 — Output compare 3 / digital I/O |
| Pin 23 | OC4/RD3 — Output compare 4 / digital I/O |
| Pin 24 | T2CK/RD4 — Timer 2 external clock / digital I/O |
| Pin 25 | T3CK/RD5 — Timer 3 external clock / digital I/O |
| Pin 26 | PWM1H1/RE0 — PWM1 high channel / digital I/O |
| Pin 27 | PWM1L1/RE1 — PWM1 low channel / digital I/O |
| Pin 28 | PWM1H2/RE2 — PWM2 high channel / digital I/O |
| Pin 29 | PWM1L2/RE3 — PWM2 low channel / digital I/O |
| Pin 30 | PWM1H3/RE4 — PWM3 high channel / digital I/O |
| Pin 31 | PWM1L3/RE5 — PWM3 low channel / digital I/O |
| Pin 32 | VSS — Ground reference |
| Pin 33 | VDD — Positive supply (5V) |
| Pin 34 | OA2OUT/RG6 — Op amp 2 output / digital I/O |
| Pin 35 | OA2OUT/RG7 — Shared op amp output / digital I/O |
| Pin 36 | SOSCI/CN1/RG8 — Secondary oscillator input / digital I/O |
| Pin 37 | SOSCO/T1CK/CN0/RG9 — Secondary oscillator output / Timer 1 clock |
| Pin 38 | VSS — Ground reference |
| Pin 39 | VDD — Positive supply (5V) |
| Pin 40 | SCK1/RF6 — SPI 1 clock / digital I/O |
| Pin 41 | SDI1/RF7 — SPI 1 data input / digital I/O |
| Pin 42 | SDO1/RF8 — SPI 1 data output / digital I/O |
| Pin 43 | U1RX/RF2 — UART 1 receive / digital I/O |
| Pin 44 | U1TX/RF3 — UART 1 transmit / digital I/O |
| Pin 45 | U2RX/RF4 — UART 2 receive / digital I/O |
| Pin 46 | U2TX/RF5 — UART 2 transmit / digital I/O |
| Pin 47 | C1TX/RF1 — CAN 1 transmit / digital I/O |
| Pin 48 | C1RX/RF0 — CAN 1 receive / digital I/O |
| Pin 49 | OSC1/CLKI/RC12 — Primary oscillator input / external clock |
| Pin 50 | OSC2/CLKO/RC15 — Primary oscillator output / clock output |
| Pin 51 | VSS — Ground reference |
| Pin 52 | VDD — Positive supply (5V) |
| Pin 53 | AVDD — Analog positive supply |
| Pin 54 | AVSS — Analog ground |
| Pin 55 | OA1OUT/RA0 — Op amp 1 output / digital I/O |
| Pin 56 | OA1OUT/RA1 — Shared op amp output / digital I/O |
| Pin 57 | AN16/RC1 — Analog input 16 / digital I/O |
| Pin 58 | AN17/RC2 — Analog input 17 / digital I/O |
| Pin 59 | AN18/RC3 — Analog input 18 / digital I/O |
| Pin 60 | AN19/RC4 — Analog input 19 / digital I/O |
| Pin 61 | PGED1/AN20/RC5 — In-circuit debug data / analog input 20 |
| Pin 62 | PGEC1/AN21/RC6 — In-circuit debug clock / analog input 21 |
| Pin 63 | AN22/RC7 — Analog input 22 / digital I/O |
| Pin 64 | AN23/RC8 — Analog input 23 / digital I/O |
Typical Applications
DSPIC33EV256GM106T-I/PT is suitable for 6 applications: Brushless DC and PMSM Motor Control, Automotive Body and Sensor Subsystems, Digital Power Supplies and Converters, Industrial Sensing and Condition Monitoring, Home Appliance Control, LED Lighting and Electronic Ballasts.
Brushless DC and PMSM Motor Control
The DSPIC33EV256GM106T-I/PT fits motor control because its 70 MIPS DSP core with hardware multiply-accumulate executes field-oriented control loops well above typical electrical commutation frequencies, while complementary high-resolution PWM outputs drive three-phase inverters directly. Integrated op amps condition shunt-resistor current feedback without external amplifiers, and quadrature encoder interfaces handle position feedback. In a 5V industrial drive, the wide noise margin supports gate-driver logic without level shifting. Designers typically run the current loop at 16-20 kHz and the speed loop at 1 kHz, well within the compute budget, leaving headroom for communication and protection tasks on the same silicon.
Recommended
Automotive Body and Sensor Subsystems
The DSPIC33EV256GM106T-I/PT suits automotive nodes because the dsPIC33EV family integrates a SENT transmitter/receiver compliant with SAE J2716, allowing direct connection to SENT sensors and ECUs, plus ECC Flash for safety-relevant code storage. The 5V I/O matches legacy automotive module rails, and the -40C to +85C industrial grade covers cabin and body electronics; the -E extended grade covers engine-bay positions. Typical uses include throttle-position interfaces, lighting controllers and pump drivers, where the high-resolution PWM and on-chip op amps replace discrete analog front ends and cut BOM count in high-volume production.
Recommended
Digital Power Supplies and Converters
For digitally controlled AC-DC and DC-DC converters, the DSPIC33EV256GM106T-I/PT offers the fast deterministic control needed for peak-current-mode and voltage-mode loops: the 70 MIPS core closes compensation loops in a few microseconds, and the high-resolution PWM provides fine duty-cycle resolution that reduces output ripple compared with standard 8-bit PWM modules. The 5V core tolerates noisy switch-node environments, and the on-chip op amps can implement average-current sensing. ECC Flash protects firmware integrity in always-on power infrastructure, and CAN or UART links implement PMBus-style monitoring and telemetry in rack and telecom power systems.
Recommended
Industrial Sensing and Condition Monitoring
The DSPIC33EV256GM106T-I/PT is a strong fit for industrial sensor nodes and condition-monitoring equipment because its DSP engine performs FFT and digital filtering on vibration or current signatures locally, while 256KB of ECC Flash holds a full protocol stack and calibration tables. The 12-bit ADC channels, internal op amps and VREF inputs support ratiometric sensor front ends at 5V, improving immunity in electrically noisy factory floors. UART, SPI, I2C and CAN cover Modbus, custom buses and industrial networks, and DMA moves sample data without CPU intervention, keeping worst-case loop latency deterministic across the -40C to +85C range.
Recommended
Home Appliance Control
Appliance mainboards benefit from the DSPIC33EV256GM106T-I/PT's combination of motor control and user-interface capability on one chip: the same 70 MIPS core that runs the compressor or fan FOC loop also scans capacitive or mechanical buttons, drives displays through UART/SPI, and manages safety interlocks. Microchip explicitly targets the dsPIC33EV family at harsh appliance environments, where 5V logic survives humidity-induced leakage and large ground offsets better than 3.3V designs. ECC Flash supports firmware updates in the field, and the 64-TQFP 10x10 mm footprint gives enough I/O for a complete washer, air-conditioner or induction-cooking controller without a companion MCU.
Recommended
LED Lighting and Electronic Ballasts
In high-power LED drivers and ballasts, the DSPIC33EV256GM106T-I/PT provides the high-resolution PWM needed for precise constant-current regulation and dimming at kHz rates, with the DSP core running control, PFC and protection algorithms concurrently. The 5V supply and wide noise margins suit the electrically harsh environment near switching stages, and on-chip op amps read current shunts for fast cycle-by-cycle overcurrent protection. The 256KB Flash accommodates multiple dimming profiles and communication stacks such as DALI-over-UART, while ECC protects stored parameters across the -40C to +85C ambient range typical of luminaires.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM106T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM106-E/PT | DSPIC33EV256GM106-I/PT | DSPIC33EV128GM106T-I/PT | DSPIC33EV256GM104-E/P8 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 256 KB (85.5K x 24) ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC | 128 KB ECC |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Temperature Range | -40C to +85C (Industrial) | Extended (up to +125C) | -40C to +85C | -40C to +85C | Extended (up to +125C) |
| Packaging Format | Tape & Reel (T) | Tray | Tray | Tape & Reel | Tray |
Key Differentiators
- Extended temperature option in identical footprint (vs DSPIC33EV256GM106-E/PT)
- Double the Flash versus half-memory family siblings (vs DSPIC33EV128GM106T-I/PT)
- Tape-and-reel format for automated assembly (vs DSPIC33EV256GM106-I/PT)
Design Notes
The 64-TQFP (10x10 mm) package provides multiple VDD/VSS pairs plus a dedicated AVDD/AVSS pair for the analog domain. Decouple every VDD pin with a 0.1 uF ceramic placed within 2 mm of the pin, add 4.7-10 uF bulk capacitance per rail, and keep AVDD isolated through an RC filter (e.g., 10 ohm + 1 uF) from the digital 5V rail. Connect AVSS to a quiet analog ground island joined to digital ground at a single star point to preserve ADC accuracy on the AN0-AN23 inputs.
At 70 MIPS and 5V logic edges, treat longer traces (over ~15 cm) for SPI, CAN and PWM outputs as controlled-impedance lines; series 22-33 ohm resistors on PWM outputs reduce ringing into MOSFET gate drivers and cut EMI. The peripheral pin select (PPS) feature lets you move UART/SPI pins - route them away from the oscillator traces around pins 49-50 (OSC1/OSC2) and use the internal PLL from a lower-frequency crystal to minimize radiated clock harmonics.
The T suffix means tape-and-reel: verify MSL handling and bake per JEDEC rules if the reel is opened and stored for more than the floor-life. Configure MCLR with an external 10k pull-up and ICSP header (PGED1/PGEC1 on pins 61-62) even in production, or in-field firmware updates become impossible. When migrating from dsPIC33EP parts, note the EV family changes certain register maps and adds ECC Flash - recompile with the latest XC16 compiler and review the Microchip migration note before reusing legacy code.
Compliance Information
Microchip standard production parts of this family are RoHS compliant and lead-free; REACH and halogen status should be confirmed from the Microchip product page environmental data sheet.
