DSPIC33EP128MC204-H/TL - 16-bit DSC 128KB 70MIPS | Microchip
MPN: DSPIC33EP128MC204-H/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.72 | $372.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EP128MC204-H/TL Overview
A digital signal controller combines the compute architecture of a 16-bit microcontroller with the mathematical acceleration of a DSP engine, occupying the middle of the embedded-control hierarchy between general-purpose MCUs and full DSPs. The dsPIC33EP family from Microchip Technology integrates an enhanced Harvard-architecture core with DSP multiply-accumulate instructions, making it a natural fit for precision motor control, digital power conversion, and sensor signal processing.
Key features of this family include a high-speed PWM module with advanced motor-control modes, integrated operational amplifiers and advanced analog peripherals, and AEC-Q100 qualification for automotive environments. The 70 MIPS core throughput enables closed-loop field-oriented control (FOC) at high switching frequencies, while the 128 KB FLASH provides ample code space for complex control algorithms and communication stacks.
Architecturally, the dsPIC33EP core pairs 16-bit wide instructions with a 24-bit instruction word containing DSP-class operations, single-cycle MAC, and dual operand fetch. The integrated DSP engine, combined with on-chip high-speed analog such as op amps and high-resolution PWM, allows designers to implement complete sensorless motor drive or digital power topologies without external signal-conditioning stages.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, switch-mode power supplies and digital lighting ballasts, and automotive body and powertrain auxiliary functions where AEC-Q100 qualification is required.
When designing with this device, connect all VDD and VSS pairs and route the exposed thermal pad to a ground plane for both heat dissipation and signal integrity; ICSP programming requires a matched PGECx/PGEDx pair.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128MC204-H/TL — 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 DSPIC33EP128MC204-H/TL (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC204-E/TL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.4 / Unit
View Datasheet →DSPIC33EP256MC204-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC204-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC204-H/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Core Speed | 70 MIPS (60 MHz per distributor listing) |
| Program Memory (FLASH) | 128 KB (43K x 24) |
| RAM | 16 KB |
| Package | 44-VTLA (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +125C (H grade) |
| Qualification | Automotive, AEC-Q100 |
| Peripherals | High-Speed PWM, Op Amps, Advanced Analog |
| Family | dsPIC 33EP |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
DSPIC33EP128MC204-H/TL 44-vtla (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP128MC204-H/TL (44-vtla (6x6 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 DSPIC33EP128MC204-H/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC204-H/TL is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Systems, Industrial Drives and Automation, Digital Lighting and Ballasts, Sensor Signal Processing.
BLDC/PMSM Motor Control
The DSPIC33EP128MC204-H/TL is purpose-built for precision motor control: its 70 MIPS DSP core executes field-oriented control (FOC) loops fast enough for high electrical-frequency PMSM drives, while the high-speed PWM module provides complementary outputs with hardware dead-time insertion and fault shutdown. On-chip op amps condition shunt or inline current-sense signals without external amplifier stages, reducing BOM count in compact drives. In a typical FOC drive, the current loop runs inside the PWM ISR at the switching frequency, and the 128 KB FLASH holds the control firmware, parameter tables, and communication stack simultaneously. The 6x6 mm VTLA package with exposed pad fits tight inverter layouts and spreads MOSFET-gate-driver-adjacent heat.
Recommended
Digital Power Conversion
For switch-mode power supplies, LLC converters, and power-factor-correction stages, the DSPIC33EP128MC204-H/TL combines a 70 MIPS core with high-resolution PWM that supports phase-shifted and resonant topologies. The integrated advanced analog block, including op amps and comparators, enables cycle-by-cycle current limiting and fast overcurrent fault response in hardware rather than software, which is essential for power-stage protection. The 128 KB (43K x 24) FLASH accommodates soft-start state machines, protection logic, and host communication protocols such as PMBus-style messaging. The AEC-Q100 qualification of this H-grade part additionally allows digital power designs destined for automotive onboard chargers and DC-DC modules to reuse the same firmware platform.
Recommended
Automotive Auxiliary Systems
The DSPIC33EP128MC204-H/TL belongs to the automotive AEC-Q100 qualified dsPIC 33EP series with a -40C to +125C operating range, making it suitable for automotive pumps, fans, actuators, HVAC blowers, and throttle or flap position control. The 70 MIPS core runs sensorless trapezoidal or FOC algorithms even with limited position feedback, while the 16 KB RAM supports CAN-style communication buffering and diagnostic routines. Designers benefit from the H-grade temperature characterization matching under-hood ambient requirements, and the 44-VTLA package conserves PCB area in compact electronic control units. The multiple PGECx/PGEDx pairs also simplify programming fixture design for end-of-line flashing in automotive production.
Recommended
Industrial Drives and Automation
In factory automation, the DSPIC33EP128MC204-H/TL serves as the control core for servo drives, stepper drivers, conveyor motor controllers, and robotic joint actuators. The single-cycle MAC DSP instructions accelerate Clarke/Park transforms and PID loops, while high-speed PWM synchronization with the ADC gives deterministic current sampling - a prerequisite for smooth low-speed torque in servo applications. The 128 KB FLASH leaves headroom for fieldbus protocol code and parameter storage, and the 16 KB RAM buffers trajectory data. AEC-Q100 family qualification means the same part also survives the wider temperature and vibration environments found on industrial machinery, reducing qualification effort across product lines.
Recommended
Digital Lighting and Ballasts
High-intensity discharge, LED, and fluorescent ballast designs exploit the DSPIC33EP128MC204-H/TL resonant-mode PWM capabilities and on-chip analog comparators for lamp-current regulation and strike sequencing. The 70 MIPS core manages ignition state machines and dimming communication (for example DALI-style protocols) in parallel with the control loop, and the 128 KB FLASH supports multi-lamp firmware variants on one PCB. Because the MC20X family integrates op amps, the lamp current sense can be amplified on-chip, cutting component count in cost-sensitive lighting products. The compact 6x6 mm VTLA package also suits the constrained layouts of LED driver boards integrated into luminaires.
Recommended
Sensor Signal Processing
The DSP engine of the DSPIC33EP128MC204-H/TL makes it effective for embedded signal conditioning: digital filtering of vibration, pressure, or flow sensor data, and frequency-domain analysis using the single-cycle MAC at 70 MIPS. On-chip op amps buffer weak sensor outputs directly, and the advanced analog block digitizes them without an external converter stage in many designs. With 16 KB of RAM, FIR/IIR filter banks and short FFT windows fit comfortably in memory. Applications include condition-monitoring nodes, smart actuators, and portable instrumentation where a full DSP is overkill. The AEC-Q100 qualification and -40C to +125C range extend these designs into automotive and outdoor industrial sensing products.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC204-H/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC204-E/TL | DSPIC33EP128MC204-I/TL | DSPIC33EP256MC204-H/TL | DSPIC33EP64MC204-H/TL |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm), exposed pad | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Program Memory | 128 KB (43K x 24) | 128 KB (43K x 24) | 128 KB (43K x 24) | 256 KB (86K x 24) | 64 KB (21K x 24) |
| Core Speed | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +125C (H) | Extended grade (E) | Industrial grade (I) | -40C to +125C (H) | -40C to +125C (H) |
| AEC-Q100 Qualification | Yes (automotive dsPIC 33EP series) | Yes | Yes | Yes | Yes |
| Pin-to-Pin Compatibility | Reference part | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change |
Key Differentiators
- 125C-capable H temperature grade (vs DSPIC33EP128MC204-I/TL)
- Compact 6x6 mm VTLA footprint (vs DSPIC33EP128MC204-I/PT)
- Flash headroom vs 64 KB variant (vs DSPIC33EP64MC204-H/TL)
Design Notes
The 44-VTLA package includes an exposed pad that must be soldered to a ground plane - it serves as the primary ground return and heat-spreading path. Connect ALL VDD and VSS pins as required by the Microchip datasheet; leaving any power pair unconnected will prevent programming and cause erratic operation. Place 100 nF ceramic decoupling capacitors at every VDD pin pair, as close to the pins as the 6x6 mm land pattern allows.
The dsPIC33EP128MC204 provides multiple PGECx/PGEDx pairs for ICSP programming. Any pair works, but ICSPCLK and ICSPDAT must come from the same numbered pair (e.g., PGEC2 with PGED2) - mixing pairs is the most common bring-up failure reported on programming-tool support forums. Reserve your chosen pair on a programming header even if those pins are reused as IO in the final application, and verify oscillator configuration fuses before first flash.
Estimated: in motor-drive applications the DSC itself dissipates little power, but its junction temperature ceiling is set by the H-grade -40C to +125C ambient rating. With theta_JA dominated by the exposed-pad thermal path, provide a solid via array (typically a 3x3 or larger grid) from the pad to internal ground planes. If the PCB sits in an enclosed 105C automotive ambient, keep copper area generous so die temperature stays within the characterized envelope.
Keep PWM outputs to gate drivers short and route them away from current-sense op amp inputs; the on-chip analog amplifiers have limited common-mode rejection and switching noise couples easily on 2-layer boards. Synchronize ADC sampling to the PWM period using the peripheral trigger (not software polling) so current samples land away from switching edges - this preserves the accuracy the MC20X advanced analog block is designed to deliver.
Compliance Information
Distributor listings (Mouser, GlobalSpec, Hotenda) identify this part as automotive, AEC-Q100 qualified within the dsPIC 33EP series. RoHS/REACH/lead-free status not explicitly stated in the provided data - verify on the Microchip product page.
