DSPIC33EP128MC206T-I/PT - 16-bit DSC 70 MIPS 128KB Flash | Microchip
MPN: DSPIC33EP128MC206T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.35 | $6.35 |
| 10 | $5.72 | $57.20 |
| 100 | $4.98 | $498.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC33EP128MC206T-I/PT Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs: it executes multiply-accumulate (MAC) and DSP-class instructions on a 16-bit modified Harvard core while integrating motor-control peripherals, making it the natural choice when a single chip must both run application logic and close high-speed control loops.
Key features include the dsPIC33E core with DSP engine and two 40-bit accumulators, high-speed MCPWM modules purpose-built for motor control, on-chip operational amplifiers and analog comparators that reduce external component count, a 10-bit/12-bit analog-to-digital converter with up to 16 channels, and four DMA channels plus five timers. The industrial temperature grade (I, -40C to +85C) and tape-and-reel delivery (T suffix) support automated assembly.
Technically, the device operates from a 3.0V to 3.6V single supply and interfaces through UART, SPI, and I2C serial modules. The integrated MCPWM peripheral generates complementary or independent PWM outputs with dead-time insertion, fault inputs, and center-aligned modes essential for field-oriented control (FOC) of BLDC and PMSM motors. The internal op amps can condition current-shunt signals directly into the ADC, enabling single-shunt or three-shunt current sensing without external amplifiers.
Typical applications include brushless DC and permanent-magnet synchronous motor drives, digital power supplies (PFC, LLC), solar inverters, and industrial automation nodes requiring deterministic control loops.
When designing with this part, connect every VDD and VSS pin pair as required by the datasheet; omitting even one pair can cause programming or debugging failures.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128MC206T-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 DSPIC33EP128MC206T-I/PT (same form factor and footprint) — differing in Operating Temperature, Supply Voltage, Package, RAM, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC206-I/PT
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP128MC206-E/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP128MC206T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256MC206T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.2 / Unit
View Datasheet →DSPIC33EP128GM306-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.15 / Unit
View Datasheet →DSPIC33EP128MC206T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit |
| Core Speed | 70 MIPS (60 MHz) |
| Program Memory | 128 KB (43K x 24) Flash |
| RAM | 16 KB |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| ADC | 16-channel, 10-bit / 12-bit |
| PWM | MCPWM, high-speed motor control PWM |
| Analog Comparators | Yes |
| On-chip Op Amps | Yes |
| DMA Channels | 4 |
| Timers | 5 |
| Serial Interfaces | UART, SPI, I2C |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
DSPIC33EP128MC206T-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128MC206T-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 DSPIC33EP128MC206T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC206T-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control Drives, Digital Power Supplies (PFC, LLC, Half-Bridge), Solar Micro-Inverters and Energy Conversion, Industrial Automation and Sensor Nodes, Battery-Managed Power Tools and E-Mobility, Embedded Control and Robotics.
BLDC / PMSM Motor Control Drives
The DSPIC33EP128MC206T-I/PT fits brushless DC and permanent-magnet synchronous motor drives because its MCPWM module produces complementary PWM with hardware dead-time insertion, center-aligned modes, and fault shutdown inputs at 70 MIPS core throughput. The on-chip op amps amplify current-shunt signals and feed the 16-channel 10/12-bit ADC, enabling single- or three-shunt field-oriented control without external amplifiers. Placed at the heart of the inverter board driving a three-phase MOSFET bridge, the DSC closes current loops in tens of microseconds; the trade-off versus a general MCU is that faster control loops demand careful ADC trigger synchronization with PWM to minimize sampling jitter.
Recommended
Digital Power Supplies (PFC, LLC, Half-Bridge)
In switch-mode power conversion, the DSPIC33EP128MC206T-I/PT provides the deterministic control needed for PFC, LLC, and half-bridge topologies. The MCPWM outputs drive power stages at fixed switching frequency with programmable dead time, while the 10/12-bit ADC samples output voltage and inductor current each switching cycle for digital loop closure. Running at 70 MIPS, the core executes PI or 3p3z compensators well above typical 100-500 kHz switching rates. Using the internal comparators for cycle-by-cycle current limiting adds a hardware safety layer independent of firmware latency. The trade-off: the 3.0-3.6V supply and 3.3V logic levels require level shifting or gate drivers for high-side switches.
Recommended
Solar Micro-Inverters and Energy Conversion
Grid-tied and off-grid solar conversion stages benefit from the DSPIC33EP128MC206T-I/PT's combination of motor-grade PWM and precision analog. The DSC performs maximum-power-point tracking on the 12-bit ADC while generating synchronized PWM for the DC-DC boost and DC-AC inverter stages. Four DMA channels move ADC results to RAM without CPU intervention, preserving MIPS for the MPPT algorithm and grid-synchronization (PLL) software. Operating from -40C to +85C suits outdoor enclosure environments, and the industrial temperature grade keeps derating margins conservative. Designers must budget Flash carefully - 128KB holds MPPT, protection, and communication stacks, but extensive grid-code compliance firmware may justify the pin-compatible 256KB variant.
Recommended
Industrial Automation and Sensor Nodes
The DSPIC33EP128MC206T-I/PT serves as a smart sensor and actuation controller in factory automation. Its UART, SPI, and I2C modules connect to industrial transceivers and EEPROMs, while the DSP engine accelerates filtering (FIR/IIR) of vibration, pressure, or current sensor data. The five timers and input-capture resources handle encoder and pulse-counting tasks, and on-chip comparators provide threshold alarms with no CPU load. With -40C to +85C operation and RoHS-compliant surface-mount packaging, it survives panel and machinery environments. Compared with a plain PIC16 in this role, the DSC adds DSP-class math and motor peripherals at moderate firmware complexity increase via Microchip's MPLAB ecosystem.
Recommended
Battery-Managed Power Tools and E-Mobility
Cordless power tools, e-bikes, and light e-mobility platforms use the DSPIC33EP128MC206T-I/PT to run the traction motor and manage battery protection in one chip. The MCPWM drives the BLDC bridge, op amp plus ADC channels read per-phase currents, and comparators implement hardware overcurrent cutoff faster than any software loop. At 70 MIPS the core simultaneously executes coulomb counting and state-of-charge estimation. The industrial -40C to +85C range covers cold-cranking and summer-dashboard conditions typical of portable equipment. Designers should note that the part is the standard (non-AEC-Q100) grade; automotive traction applications should select the extended-temperature E/PT sibling for qualification headroom.
Recommended
Embedded Control and Robotics
Robotics controllers leverage the DSPIC33EP128MC206T-I/PT to coordinate multiple servo or stepper axes with feedback. Four DMA channels and five timers support quadrature decoding and coordinated PWM generation, while the DSP engine runs inverse-kinematics and filtering loops in real time. The 64-pin TQFP exposes enough GPIO to interface limit switches, encoders, and communication links (UART/SPI/I2C) on a single board, replacing multi-chip MCU+DSP solutions. The 4 hardware breakpoints and standard MPLAB X toolchain (ICD/REAL ICE) streamline debugging of closed-loop motion code. The main consideration is 3.3V-only I/O - level shifters are needed for 5V legacy sensors.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC206T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC206-I/PT | DSPIC33EP128MC206T-E/PT | DSPIC33EP128MC206-E/PT | DSPIC33EP256MC206T-I/PT | DSPIC33EP128GM306-E/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 | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 128 KB (43K x 24) | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| Temperature Grade | Industrial, -40C to +85C (I) | Industrial, -40C to +85C | Extended / AEC-Q100 (E) | Extended / AEC-Q100 (E) | Industrial (I) | Extended (E) |
| AEC-Q100 Qualified | No | No | Yes | Yes | No | Yes |
| Packaging Format | Tape & Reel (T) | Tray | Tape & Reel | Tray | Tape & Reel | Tray |
Key Differentiators
- Integrated analog front end reduces BOM cost (vs DSPIC33CK64MC105T-I/M4)
- Cost-optimized industrial grade with tape-and-reel delivery (vs DSPIC33EP128MC206T-E/PT)
- Flash headroom within the same footprint (vs DSPIC33EP256MC206T-I/PT)
Design Notes
Connect every VDD and VSS pin pair on the 64-TQFP even if a pin appears electrically redundant. Northern Software's dsPIC33EP128MC206 development notes explicitly warn that leaving any VDD/VSS pair unconnected can cause programming and debugging to fail. Place a 0.1uF ceramic capacitor at each VDD pin pair plus one bulk 4.7-10uF capacitor near the supply entry; the device operates from a 3.0V to 3.6V single rail with 3.3V nominal.
For motor-control layouts, keep the shunt-resistor to op-amp input traces short and differential, routed away from the MCPWM output traces to prevent switching transients corrupting current feedback. The 10x10 mm TQFP exposes pins on 0.5 mm pitch; use 4-mil clearance rules and consider a ground plane under the ADC/op-amp region to stabilize the analog reference. Trigger ADC sampling synchronized to the PWM center to measure current at the midpoint of the low-side conduction window, minimizing ripple-induced error.
Do not confuse temperature grades when substituting: the I suffix (-40C to +85C) part is not AEC-Q100 qualified, whereas the E suffix variants are automotive-qualified. Note also a data discrepancy across distributors: Microchip USA lists 8KB RAM for the T-E/PT variant while Mouser lists 16KB RAM for the I/PT - confirm RAM size against the current official Microchip datasheet before finalizing memory budgets. Finally, verify pin-multiplexing tables before swapping in GM-series pin-compatible parts, as peripheral mapping differs.
Compliance Information
Listed as a RoHS-compliant lead-free surface-mount part per distributor data. This I-grade part is not AEC-Q100 qualified; the E/PT variants are AEC-Q100 qualified per Microchip USA.
