DSPIC33FJ128GP206AT-I/MR - 16-Bit 40MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33FJ128GP206AT-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.86 | $58.60 |
| 100 | $5.45 | $545.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.85 | $4,850.00 |
DSPIC33FJ128GP206AT-I/MR Overview
A digital signal controller (DSC) is a hybrid of a microcontroller and a digital signal processor: it sits above a plain MCU in the control hierarchy by adding single-cycle MAC and DSP instruction support, while retaining peripherals such as UART, SPI, I2C, PWM and ADC typical of general-purpose microcontrollers. The dsPIC33F family belongs to Microchip's 16-bit portfolio, bridging PIC18 8-bit MCUs and PIC32 32-bit MCUs.
Key features include the 128 KB self-programming FLASH with ECC-free industry-standard architecture, up to 40 MIPS sustained performance from a 3.3 V supply, on-chip DSP engine, multiple PWM outputs, and flexible clocking with internal PLL. The tape-and-reel 'AT' ordering suffix supports automated high-volume assembly.
Architecturally, the dsPIC33F core executes C-compiler-optimized 16-bit instructions with a 16 x 16 fractional/integer MAC, dual operand fetch, and hardware loop support, so digital filter algorithms and high-speed precision control loops execute without external assistance. Microchip explicitly positions these devices for digital filtering and demanding closed-loop control applications.
Typical applications include motor control (BLDC, PMSM, induction), digital power supplies and PFC stages, sensor signal conditioning, industrial automation nodes, and general-purpose control systems that benefit from DSP-class math. The 64-VQFN 9x9 mm footprint provides a high I/O count for dense boards.
Design consideration: the device has multiple PGECx/PGEDx programming pin pairs; you can use any pair for ICSP, but ICSPCLK and ICSPDAT must come from the same pair - mismatching them is a common bring-up failure.
This page synthesizes verified distributor pricing, drop-in alternatives, pin programming notes, and practical design guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ128GP206AT-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 DSPIC33FJ128GP206AT-I/MR (same form factor and footprint) — differing in Core, Operating Temperature, Package, Programming Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP206AT-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP206A-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256GP206A-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP206A-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.7 / Unit
View Datasheet →DSPIC33FJ32GP206A-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GP206AT-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC 16-bit DSC |
| Core Speed | 40 MIPS |
| Oscillator Frequency | 40 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| Package | 64-VQFN (9x9 mm), QFN-EP |
| Operating Temperature | -40C to +85C |
| Mounting Type | Surface Mount |
| Timers/Counters | 9 |
| PWM Channels | Yes (multiple PWM outputs) |
| Communication Interfaces | UART, SPI, I2C |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Technology | CMOS |
| Recommended for Automotive Design | Yes (per Microchip product page; special order codes apply) |
| Packaging Suffix | AT = Tape & Reel |
| RoHS Status | unknown |
DSPIC33FJ128GP206AT-I/MR 64-vqfn (9x9 mm), qfn-ep Pin Configuration Guide
Pin configuration for DSPIC33FJ128GP206AT-I/MR (64-vqfn (9x9 mm), qfn-ep 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 DSPIC33FJ128GP206AT-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128GP206AT-I/MR is suitable for 6 applications: Motor Control (BLDC/PMSM/ACIM), Digital Power Supplies and PFC, Industrial Automation and Control Nodes, Sensor Signal Conditioning and Data Acquisition, Audio and Signal Processing Front Ends, Automotive and Transportation Control Units.
Motor Control (BLDC/PMSM/ACIM)
The DSPIC33FJ128GP206AT-I/MR fits motor control because its 40 MIPS 16-bit core with a hardware 16x16 MAC executes field-oriented control (FOC) and space-vector PWM algorithms in real time, while multiple PWM channels and 9 timers provide complementary drive outputs and fast control-loop time bases. In a typical PMSM drive, the dsPIC33FJ runs the current loop at 10-20 kHz with ADC-triggered sampling synchronized to PWM, achieving closed-loop bandwidths impossible on generic 8-bit MCUs. The 128 KB FLASH holds the FOC engine plus the communication and protection code simultaneously, and the industrial -40C to +85C rating suits drives mounted inside sealed enclosures.
Recommended
Digital Power Supplies and PFC
In digitally controlled AC/DC and DC/DC converters, the DSPIC33FJ128GP206AT-I/MR replaces analog control ICs with software-defined voltage-mode or current-mode loops. Its 40 MIPS throughput supports control loops switching at 100-300 kHz when combined with ADC triggering tied to the PWM peripheral, and the PWM channels generate the phase-shifted or complementary gate waveforms with programmable dead time. Running PFC plus main converter control on one 128 KB part reduces BOM count versus discrete controllers, while the ICSP interface enables field firmware updates for tuning. Microchip's dsPIC33F reference designs for digital power map directly onto this 64-VQFN device.
Recommended
Industrial Automation and Control Nodes
The DSPIC33FJ128GP206AT-I/MR serves as a smart node controller in factory automation, where it must simultaneously sample sensors, run control logic, and bridge to plant networks. The UART, SPI, and I2C interfaces connect to displays, EEPROM, and field-bus transceivers, while 9 timers handle task scheduling and event capture. At 40 MIPS the core performs background digital filtering on sensor streams without a separate DSP, and the 64-pin VQFN offers enough I/O to drive relays, indicators, and encoders directly. The -40C to +85C industrial rating and in-production lifecycle status make it safe for long-term factory deployments.
Recommended
Sensor Signal Conditioning and Data Acquisition
Because dsPIC33F devices are designed to execute digital filter algorithms, the DSPIC33FJ128GP206AT-I/MR is a strong fit for conditioning noisy sensor signals: the 16x16 MAC runs FIR/IIR filters at sample rates well into the tens of kilohertz while the MCU side handles scaling, linearization, and communications. The 128 KB FLASH stores multiple calibration tables and filter coefficient sets, and on-chip resources support accurate time-stamped sampling through timer-triggered conversions. Systems such as strain-gauge amplifiers, ultrasonic sensors, and vibration monitors benefit from having DSP math, control logic, and serial output in a single 64-VQFN 9x9 mm device.
Recommended
Audio and Signal Processing Front Ends
The DSP engine of the DSPIC33FJ128GP206AT-I/MR, with single-cycle MAC and fractional arithmetic, handles audio-band processing such as filters, envelope detectors, and simple codecs. At 40 MIPS the device can process multiple channels at 48 kHz while simultaneously managing user interfaces through UART/I2C and timers. The 128 KB FLASH leaves headroom for effect libraries and bootloaders, and the tape-and-reel AT packaging suits volume production of consumer or professional audio accessories. Industrial temperature range also allows use in outdoor and vehicular audio equipment where -40C cold start is required.
Recommended
Automotive and Transportation Control Units
Microchip explicitly recommends the dsPIC33FJ128GP206A for automotive design, and this device is usable in vehicular subsystems such as body-control logic, pump and fan controllers, and sensor hubs, with special automotive-grade ordering codes available from Microchip. The -40C to +85C I-graded industrial version covers cabin environments, while the E-suffix variant (DSPIC33FJ128GP206AT-E/MR, -40C to +125C) drops into the same 64-VQFN footprint for under-hood proximity. The 40 MIPS core and hardware PWM support closed-loop actuator control, and ICSP programming through any matched PGECx/PGEDx pair simplifies end-of-line firmware flashing on the production fixture.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128GP206AT-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP206AT-E/MR | DSPIC33FJ128GP206A-I/MR | DSPIC33FJ256GP206A-I/MR | DSPIC33FJ64GP206A-I/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Program Memory | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| PWM Channels | Yes | Yes | Yes | Yes | Yes |
| Timers/Counters | 9 | 9 | 9 | 9 | 9 |
| Lifecycle Status | In Production | Active | In Production | In Production | In Production |
Key Differentiators
- Extended temperature availability without respin (vs DSPIC33FJ128GP206AT-E/MR)
- Memory scalability on the same footprint (vs DSPIC33FJ64GP206A-I/MR)
- Headroom upgrade path (vs DSPIC33FJ256GP206A-I/MR)
- Tape-and-reel volume assembly (vs DSPIC33FJ128GP206A-I/MR)
Design Notes
Solder the exposed pad (QFN-EP) of the 64-VQFN 9x9 mm package to a grounded copper pour with an array of thermal vias. The exposed pad is a primary ground return for the die; a floating pad causes unreliable ground references and degraded analog performance. Use a 0.5 mm pitch fan-out pattern with via-in-pad or dog-bone escapes, and keep the PGECx/PGEDx programming traces short and routed to an accessible header.
The dsPIC33FJ128GP206 has more than one pair of PGECx/PGEDx programming pins. You can use any pair for ICSP, but you must use them as a pair: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Mismatching clocks and data across different pairs is the most common reason a newly assembled board fails to program. Reserve the selected pair on the schematic and do not repurpose both pins as general I/O without an alternative programming path.
Follow the Microchip datasheet decoupling guidance: place low-ESR ceramic decoupling capacitors at each VDD pin pair and isolate the analog supply per the family datasheet recommendations. Estimated: a typical dsPIC33FJ at 40 MIPS draws tens of mA; sizing the 3.3 V rail regulator for at least 150 mA per controller with margin covers startup transients. Verify the exact supply current and voltage range figures against the manufacturer datasheet before final power budget sign-off.
When PWM outputs drive power stages, route them away from the analog sensor inputs feeding the ADC, and star-ground the driver return currents away from the controller ground plane to keep ADC readings free of switching noise. Estimated: with 20 kHz PWM switching edges, coupling of even a few hundred millivolts into high-impedance analog traces visibly corrupts 12-bit-class conversions, so guard analog traces and use local RC filtering.
Compliance Information
Microchip product page states the dsPIC33FJ128GP206A is 'Recommended for Automotive Design' with special ordering codes for automotive-grade versions; formal qualification status should be confirmed with Microchip. RoHS/REACH status not stated in provided data - verify on the official Microchip product page.
