DSPIC33EP32MC204-H/TL - 16-Bit 60 MIPS DSC 32KB Flash | Microchip
MPN: DSPIC33EP32MC204-H/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.42 | $44.20 |
| 100 | $3.98 | $398.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.18 | $3,180.00 |
DSPIC33EP32MC204-H/TL Overview
A digital signal controller combines the computational architecture of a microcontroller with the multiply-accumulate (MAC) and modulo/bit-reversed addressing capabilities of a DSP. In the power-management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP: it runs real-time control loops (current, speed, position) for motors and power converters while also handling communication and supervisory logic on a single chip.
Key features include the dsPIC33E CPU with DSP instruction extensions, high-speed PWM modules for three-phase inverter control, 12-bit ADCs and analog comparators for current sensing, and automotive/AEC-Q100 qualification indicated by the -H temperature grade. The 44-VTLA (6x6) package saves board area versus QFP alternatives while exposing all motor-control peripheral pins.
Architecturally, the device belongs to the dsPIC33EP32MC20x motor-control family, whose peripherals are purpose-built for field-oriented control (FOC): complementary PWM outputs with dead-time insertion, quadrature encoder interface, and fast ADC triggering synchronized to the PWM cycle.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, drone propeller ESCs (Microchip's official Drone Propeller Reference Design, DS70005545, is built on this exact DSC), and industrial servo and power-conversion systems.
Design consideration: budget Flash carefully - 32KB holds a complete FOC implementation, but adding CAN stacks and bootloader leaves less headroom than the 64KB DSPIC33EP64MC204 variant.
This page synthesizes distributor data, drop-in alternatives, and motor-control design guidance not found in the manufacturer datasheet (DS70000657J).
Drop-in alternatives for DSPIC33EP32MC204-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 DSPIC33EP32MC204-H/TL (same form factor and footprint) — differing in Package, Core, Data Bus Width, Program Memory (Flash), Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.48 / Unit
View Datasheet →DSPIC33EP32MC204-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →DSPIC33EP64MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC204-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.4 / Unit
View Datasheet →DSPIC33EP64MC204-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC204-H/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core with DSP extensions |
| Performance | 60 MIPS (up to 70 MIPS family core speed) |
| Program Memory (Flash) | 32KB (10.7K x 24) |
| SRAM | 4KB |
| Data Bus Width | 16-bit |
| Package | 44-VTLA (6x6 mm) |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 |
| ADC Resolution | 12-bit |
| High-Speed PWM | Yes (motor-control family feature) |
| Analog Comparators | Yes |
| Family | dsPIC33EP32MC20x |
| Typical Applications | BLDC/PMSM motor control, drones, industrial drives |
DSPIC33EP32MC204-H/TL 44-vtla (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32MC204-H/TL (44-vtla (6x6 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 DSPIC33EP32MC204-H/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC204-H/TL is suitable for 6 applications: Drone Propeller / ESC Motor Control, Industrial Servo Drives, Automotive Pump and Fan Control, Digital Power Conversion, Robotics and Multi-Axis Motion, Embedded Sensing and Instrumentation.
Drone Propeller / ESC Motor Control
The DSPIC33EP32MC204-H/TL is the reference DSC in Microchip's official Drone Propeller Reference Design (User's Guide DS70005545), a low-cost evaluation platform driving three-phase PMSM or BLDC propeller motors in quadcopters. The device's high-speed PWM generates the three-phase inverter switching with dead-time insertion, while the 12-bit ADC samples phase currents synchronized to the PWM cycle for low-noise FOC or trapezoidal commutation. The AEC-Q100 qualification of the -H grade also benefits small UAVs exposed to wide temperature swings. The on-chip comparators provide hardware overcurrent shutdown independent of software latency - critical for ESC reliability. The 32KB Flash holds a complete sensorless or sensored commutation firmware with headroom for CAN or telemetry, and the 60 MIPS core executes the control loop at PWM frequency without cycle stealing.
Recommended
Industrial Servo Drives
In industrial servo drives, the DSPIC33EP32MC204-H/TL closes high-bandwidth position, velocity, and current loops for permanent magnet synchronous motors. The 60 MIPS dsPIC33E core with DSP multiply-accumulate instructions executes nested FOC control loops at multi-kilohertz rates, while the quadrature encoder interface decodes incremental encoder feedback directly on-chip. The high-speed PWM's programmable dead time protects the IGBT/MOSFET inverter stage, and the 12-bit ADC with PWM-synchronous triggering minimizes switching-noise coupling into current measurements. The AEC-Q100 qualification of the -H grade provides industrial-grade reliability documentation valued by machine builders. With 32KB Flash, a full servo firmware including Modbus or CANopen slimmer stacks fits on-chip; choose the pin-compatible 64KB/128KB variants when adding richer protocol stacks.
Recommended
Automotive Pump and Fan Control
AEC-Q100 qualification makes the DSPIC33EP32MC204-H/TL suitable for automotive auxiliary motor control such as coolant pumps, radiator fans, turbo actuators, and HVAC blowers. The -H temperature grade withstands under-hood thermal environments, while the on-chip analog comparators implement cycle-by-cycle current limiting for fault resilience demanded in vehicles. The high-speed PWM supports the variable-frequency drive schemes used in BLDC coolant pumps, and the 12-bit ADC digitizes temperature and position feedback for closed-loop thermal management. Sensorless back-EMF commutation runs comfortably in the 32KB Flash with diagnostic code included. The device's 44-pin VTLA footprint keeps the ECU compact, and pin-compatible Flash upgrades within the dsPIC33EP32/64/128MC204 family allow one PCB design to serve multiple vehicle platforms.
Recommended
Digital Power Conversion
Beyond motors, the DSPIC33EP32MC204-H/TL controls digital power supplies: LLC resonant converters, PFC stages, and DC-DC modules. The high-speed PWM offers phase-shift, complementary, and current-mode modulations with sub-nanosecond-class resolution across the dsPIC33EP family, enabling soft-switching topologies. The 12-bit ADC, triggered by the PWM, samples output voltage and current at the optimal instant in each switching cycle, and the DSP engine executes compensator equations within the loop deadline at 60 MIPS. On-chip comparators trip the PWM in hardware during overcurrent events, providing protection faster than any software interrupt. The 32KB Flash accommodates control firmware plus PMBus-style telemetry, and the AEC-Q100 -H grade qualifies the converter for telecom and industrial 48V rack environments with elevated ambient temperatures.
Recommended
Robotics and Multi-Axis Motion
Compact robots require several brushless motor channels per controller; the DSPIC33EP32MC204-H/TL serves as a per-axis drive processor in distributed architectures. Its 60 MIPS core runs current loops for one joint at high rates while a central MCU issues trajectory setpoints over CAN or UART. The quadrature encoder interface and input capture peripherals decode position feedback natively, avoiding external decoder ICs. On-chip comparators and the ADC form a current-sensing front end for torque control, and the PWM dead-time engine protects H-bridges. In educational and competition robotics, the ample Microchip ecosystem - MPLAB X, XC16 compiler, and motor-control libraries - shortens development. The AEC-Q100 -H grade additionally suits agricultural and light-industrial robots exposed to outdoor temperature extremes and vibration.
Recommended
Embedded Sensing and Instrumentation
The DSP core of the DSPIC33EP32MC204-H/TL also accelerates signal processing in sensing instruments: FFT-based vibration analyzers, power-quality meters, and ultrasonic flow sensors. The DSP multiply-accumulate instructions and bit-reversed addressing execute radix-2 FFTs and digital filters efficiently at 60 MIPS, while the 12-bit ADC digitizes sensor channels and the comparators implement threshold alarms in hardware. The 32KB Flash holds signal-processing firmware plus a UART or CAN reporting stack, and 4KB SRAM buffers moderate acquisition windows. The AEC-Q100 -H grade tolerates harsh field environments such as factory floors and outdoor enclosures. For designs needing longer acquisition buffers or larger FFTs, the pin-compatible DSPIC33EP64MC204 and DSPIC33EP128MC204 variants double or quadruple on-chip memory without PCB changes.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC204-H/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC204-I/TL | DSPIC33EP32MC204-E/TL | DSPIC33EP64MC204-I/TL | DSPIC33EP128MC204-I/TL |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6) - same | 44-VTLA (6x6) - same | 44-VTLA (6x6) - same | 44-VTLA (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 32KB (10.7K x 24) | 32KB (10.7K x 24) | 32KB (10.7K x 24) | 64KB | 128KB |
| Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| AEC-Q100 Qualification | Yes (automotive, -H grade) | No (industrial grade) | Extended temp grade | No (industrial grade) | No (industrial grade) |
| Pin-to-Pin Compatibility | Baseline (44-pin VTLA) | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical |
Key Differentiators
- Automotive AEC-Q100 qualification in a compact 44-pin package (vs DSPIC33EP32MC204-I/TL)
- Motor-control-optimized peripheral set on one chip (vs DSPIC33EP128MC204-I/TL)
- Proven by Microchip's official drone reference design (vs DSPIC33EP64MC204-I/TL)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor directly across each VDD/VSS pin pair of the 44-VTLA package, plus one bulk 4.7-10 uF capacitor near the device. Motor-control switching noise couples into the digital supply through PCB parasitics; a local ferrite bead ahead of the MCU supply island reduces conducted noise. Estimated: at 60 MIPS the core draws tens of milliamps, so supply IR drop is minor, but ground bounce between the power-driver ground and the DSC ground is the dominant failure mode - implement a single-point (star) ground connection under the VTLA exposed area.
Keep the PWM output traces to the gate drivers short and, where possible, route each phase pair differentially to minimize loop area and radiated EMI. The 6x6 mm VTLA has fine pitch (0.5 mm-class) leads: use 0.2 mm trace widths with solder-mask-defined pads and inspect with AOI. Provide via stitching to the ground plane around the package perimeter. Because the ADC samples phase currents synchronously with the PWM, route shunt-amplifier outputs to the ADC pins away from PWM traces to preserve the low-noise sampling window the control loop depends on.
Do not exceed 32KB (10,696 x 24-bit instructions) of program space - motor-control firmware with CAN stacks and a bootloader can exceed it; verify linker map output before release. ICSP programming requires MCLR, PGD, and PGC access: avoid loading these pins heavily in-circuit, and add a series resistor on MCLR for isolation. Emulator/debugger pins are shared with general I/O - design them out only if production programming strategy is confirmed. Per Microchip's support guidance, if you later need more Flash, the 64KB/128KB MC204 variants are pin-compatible, so no redesign is required.
Estimated: the dsPIC33E core at 60 MIPS with active peripherals dissipates on the order of 100-200 mW; with the 6x6 mm VTLA thermal resistance (theta_JA typically tens of C/W on a standard 4-layer board per the family datasheet), junction rise is only a few degrees C above ambient, so no heatsinking is required. Thermal margin concerns arise from adjacent power devices on shared PCBs, not from the DSC itself - verify with a thermal camera during inverter full-load testing rather than calculating for the MCU alone.
Compliance Information
Distributor listings (DigiKey, GlobalSpec) describe the DSPIC33EP32MC204-H/TL as 'Automotive, AEC-Q100'. RoHS/REACH/lead-free status was not stated in the provided verified data - confirm on Microchip's product page or certificate of conformance.
