DSPIC33EP128MC204T-E/ML - 16-bit 60 MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33EP128MC204T-E/ML β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.85 | $5.85 |
| 10 | $5.26 | $52.60 |
| 100 | $4.68 | $468.00 |
| 500 | $4.21 | $2,105.00 |
| 1,000 | $3.8 | $3,800.00 |
DSPIC33EP128MC204T-E/ML Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC such as the dsPIC33EP family member sits above basic MCUs and below full DSP-plus-MCU two-chip solutions, offering a single-chip path for math-intensive closed-loop control such as field-oriented motor control and digital power conversion.
Key differentiating features include the high-speed PWM module with multiple MCPWM channels for complementary and independent outputs, integrated Quadrature Encoder Interface (QEI) inputs for direct encoder hookup, three on-chip operational amplifiers and four comparators that reduce external analog component count, and a Peripheral Trigger Generator (PTG) for hardware-sequenced autonomous operation. Connectivity covers I2C, SPI, multiple UART/USART channels with IrDA and LINbus support.
Architecturally, the device uses a 16-bit modified Harvard dsPIC33E core executing up to 60 MIPS at 3.3V supply, with DSP multiply-accumulate instructions, single-cycle MAC, and hardware division support. FLASH is rated for in-circuit self-programming, and CMOS process technology keeps active power low while supporting sleep and idle modes for battery-conscious designs. The device is AEC-Q100 qualified for automotive environments per distributor data.
Typical applications include brushless DC and PMSM motor drives, digital power supplies and solar inverters, automotive auxiliary systems requiring the extended temperature E-grade, and industrial sensing and control nodes where QEI plus high-speed PWM closes the control loop on-chip.
When designing with this part, budget the 8x8 mm QFN exposed pad for thermal relief and ground return, and place 100 nF decoupling capacitors on each VDD pin pair per Microchip layout guidelines; note that the T-E suffix denotes tape-and-reel packing of the extended-temperature grade.
This page synthesizes distributor data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and availability verified as of 2026-09-23.
Drop-in alternatives for DSPIC33EP128MC204T-E/ML β 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 DSPIC33EP128MC204T-E/ML (same form factor and footprint) β differing in Operating Temperature, Package, Series.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC33EP128MC204T-I/ML
β Drop-Inβ In Stock
$3.45 / Unit
View Datasheet βDSPIC33EP128MC204-E/ML
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33EP256MC204T-E/ML
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33EP128MC204T-E/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Core Speed | 60 MIPS |
| Program Memory Size | 128KB (43K x 24) FLASH |
| RAM Size | 16KB |
| Supply Voltage | 3.3 V |
| Connectivity | I2C, IrDA, LINbus, QEI, SPI, UART/USART |
| On-chip Op Amps | 3 |
| Comparators | 4 |
| PWM | MCPWM high-speed PWM module |
| Peripheral Trigger Generator | Yes (PTG) |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 44-QFN (8x8 mm) exposed pad |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 |
| Technology | CMOS |
| Packing | Tape & Reel (T suffix) |
| Series | dsPIC 33EP |
DSPIC33EP128MC204T-E/ML 44-qfn (8x8 mm) exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP128MC204T-E/ML (44-qfn (8x8 mm) exposed pad 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 DSPIC33EP128MC204T-E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC204T-E/ML is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Modules, Industrial Sensing and Control Nodes, Battery-Powered Portable Instruments, Embedded Motor-Driven Appliances.
BLDC / PMSM Motor Control
The DSPIC33EP128MC204T-E/ML fits brushless DC and permanent-magnet synchronous motor drives because its 60 MIPS DSP core executes field-oriented control loops fast enough for high electrical-frequency motors, while the high-speed MCPWM module generates complementary PWM pairs with hardware dead-time. On-chip QEI inputs read rotary encoder position directly, three op amps amplify low-side shunt currents, and four comparators provide hardware overcurrent limiting without CPU intervention. Placed between the gate-driver stage and the encoder with its 3.3V rail, the controller closes current loops in the tens-of-kilohertz range; the integrated analog front end removes 3-4 external amplifier and comparator packages, reducing BOM cost and control-loop latency.
Recommended
Digital Power Conversion
In digital power supplies, LLC converters, and solar micro-inverters, this DSC is a strong fit: the 60 MIPS core runs the compensation loops digitally while the high-speed PWM module supports complementary outputs, phase-shifted topologies, and adaptive dead-time with nanosecond-level resolution. The on-chip comparators implement cycle-by-cycle current limiting, and the PTG Peripheral Trigger Generator sequences ADC sampling to PWM events autonomously, keeping control-loop jitter minimal. Placed on the low-voltage control side referenced to the 3.3V rail, the E-grade -40C to +125C rating tolerates the elevated ambient temperatures typical of sealed power enclosures near switching stages, improving long-term reliability.
Recommended
Automotive Auxiliary Modules
With AEC-Q100 qualification and a -40C to +125C rating, the DSPIC33EP128MC204T-E/ML targets automotive auxiliary systems such as pump controllers, actuator drives, HVAC blower control, and sensor conditioning modules. The 16-bit DSP core handles sensor filtering and closed-loop actuation, LINbus and UART/USART connectivity integrates with vehicle body networks, and the MCPWM module drives small motor loads directly through external gate drivers. Mounted on the 8x8 mm QFN footprint with the exposed pad soldered to ground pour for heat spreading, the controller sustains under-hood-adjacent ambients; the integrated op amps and comparators further reduce component count in cost-sensitive automotive ECUs.
Recommended
Industrial Sensing and Control Nodes
Factory automation nodes benefit from this DSC's blend of DSP throughput and peripheral integration. I2C and SPI interfaces connect digital sensors, while three on-chip op amps condition analog channels such as pressure bridges or current shunts without external amplifiers. The 60 MIPS core applies FFT-based vibration analysis or digital filtering locally, enabling condition-monitoring edge nodes, and the PTG sequences acquisition tasks autonomously to offload the CPU. On a 3.3V rail with the exposed-pad QFN soldered to a ground plane, the device operates reliably across industrial -40C to +85C ambients with margin; choosing the E-grade part additionally covers hot panels near drives or furnaces.
Recommended
Battery-Powered Portable Instruments
For handheld and battery-powered instruments, the DSPIC33EP128MC204T-E/ML offers a single-chip signal chain: on-chip op amps amplify sensor outputs, four comparators implement window detection, and the DSP core performs calibration math at 60 MIPS on demand. Sleep and idle modes cut average current between measurement bursts, while the compact 8x8 mm QFN keeps PCB area small in portable form factors. A practical trade-off is that QFN hand-soldering and rework are harder than TQFP; the pin-function-identical 44-TQFP variant (DSPIC33EP128MC204T-I/PT) eases prototyping before committing to the space-saving QFN footprint in production layouts.
Recommended
Embedded Motor-Driven Appliances
Appliance products - fans, compressors, pumps, and power tools - use this DSC to implement sensorless or sensored motor control cost-effectively. The three op amps condition back-EMF or shunt signals on-chip, four comparators support sensorless zero-crossing detection and overcurrent trips, and QEI handles encoders when position feedback is required. The 128KB FLASH holds the control firmware plus communication stacks (UART/I2C for user interfaces), and the E-grade temperature range covers appliance interiors that exceed +85C near motor windings. Using one dsPIC33EP across multiple appliance SKUs amortizes firmware and tooling investment; the 256KB same-footprint variant provides upgrade headroom for premium models.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC204T-E/ML β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC204T-I/ML | DSPIC33EP128MC204-E/ML | DSPIC33EP256MC204T-E/ML |
|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| FLASH Program Memory | 128KB (43K x 24) | 128KB (43K x 24) | 128KB (43K x 24) | 256KB |
| RAM | 16KB | 16KB | 16KB | 16KB |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| AEC-Q100 Qualification | Yes | No (industrial) | Yes | Yes |
| Packing | Tape & Reel | Tape & Reel | Tube/Tray | Tape & Reel |
Key Differentiators
- Extended -40C to +125C automotive-grade operation (vs DSPIC33EP128MC204T-I/ML)
- Integrated analog front end (3 op amps + 4 comparators) (vs DSPIC33EP128MC202T-E/MM)
- Tape-and-reel packing for automated production (vs DSPIC33EP128MC204-E/ML)
Design Notes
For the 44-QFN (8x8 mm) exposed-pad package, connect the center thermal pad to a solid ground plane using a 4x4 or 5x5 via array under the pad. This provides both the primary ground return for the DSC and heat spreading for the -40C to +125C automotive-grade operation. Follow Microchip's QFN layout guidelines: place one 100 nF ceramic decoupling capacitor at each VDD/VSS pin pair, within 2 mm of the pins, plus one bulk 10 uF capacitor near the supply entry.
Do not confuse the T suffix with a performance grade - it only denotes tape-and-reel packing (standard qty 3000) for automated assembly; the electrical die is identical to the non-T part. Also confirm RAM requirements before layout freeze: some distributor summaries list 8KB RAM while detailed datasheet-based listings state 16KB - verify against the official Microchip datasheet revision for your compiler memory-model settings. Mixing E-grade and I-grade parts in one panel requires separate reel management since the temperature ratings differ.
Estimated: at an ambient of +105C near a motor drive power stage, an E-grade device (max junction typically +125C per grade rating) leaves roughly 20C of margin; keep controller power draw low by using sleep modes between control-loop interrupts and route the exposed pad to a plane of at least 1 square inch of copper for reliable dissipation. The I-grade alternative (+85C max) must not be used in these locations despite being pin-compatible.
Keep PWM output traces to gate drivers short and matched in length for complementary output pairs to preserve dead-time symmetry; use series resistors (10-22 ohm) at PWM pins to damp ringing into long traces. Route analog inputs to the on-chip op amps away from PWM and encoder lines, and reference the analog ground to the exposed-pad ground plane at a single point to prevent switching noise from corrupting current-shunt measurements.
Compliance Information
Hotenda and Microchip USA distributor data identify the part as Automotive, AEC-Q100 qualified. RoHS/REACH/lead-free/halogen-free status for this exact MPN is not stated in the verified data; confirm on the Microchip product page environmental section.
