DSPIC33CH512MP205-E/PT - 100MHz Dual-Core DSC, 512KB Flash | Microchip
MPN: DSPIC33CH512MP205-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.5 | $9.50 |
| 10 | $8.62 | $86.20 |
| 100 | $7.75 | $775.00 |
| 500 | $6.95 | $3,475.00 |
| 1,000 | $6.18 | $6,180.00 |
DSPIC33CH512MP205-E/PT Overview
A Digital Signal Controller is a hybrid architecture that fuses a microcontroller's deterministic, interrupt-driven control logic with a DSP's MAC-unit-rich arithmetic pipeline. In the dsPIC33CH family this is taken further with two independent cores that communicate through a tightly-coupled mailbox RAM and shared peripherals, allowing one core to execute a fast control loop (FOC motor commutation, for example) while the other runs application code, communication stacks, or housekeeping tasks in parallel.
Key features include integrated high-resolution PWM (typically 250 ps step), four DMA channels, multiple UART/SPI/I2C interfaces, CAN FD, an on-chip 12-bit ADC, and functional safety (FuSa) hardware that simplifies IEC 60730 / Class B compliance for home appliances and industrial drives. The slave core can be field-updated independently of the master, enabling secure in-application firmware updates without halting the control loop.
Typical applications include field-oriented control (FOC) of PMSM and BLDC motors, digital power conversion (PFC, LLC, full-bridge converters with high-resolution PWM), sensorless motor control, automotive body and pump controllers, functional-safety appliances, and industrial drives requiring deterministic dual-core partitioning. The dual-core topology halves latency for critical loops and allows system-level safety isolation between cores.
When designing with this device, partition the firmware clearly between master (control) and slave (application or housekeeping) cores to fully exploit the dual-core architecture. Use Microchip's MPLAB X IDE with the XC-DSC compiler and dsPIC33CH SDK to configure inter-core mailboxes, DMA, and high-resolution PWM. Decouple AVDD/AVSS+AVDD/AVSS- ADC rails with 100 nF and 10 uF ceramic capacitors placed within 5 mm of the pins for clean converter sampling.
This page synthesizes distributor pricing, parametric cross-references, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33CH512MP205-E/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 DSPIC33CH512MP205-E/PT (same form factor and footprint) — differing in Core Architecture, ADC, Package, Slave Core Speed, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CH512MP205-I/PT
✅ Drop-In✓ In Stock
$6.45 / Unit
View Datasheet →DSPIC33CH256MP205-I/PT
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →DSPIC33CH256MP208-I/PT
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC33CH256MP206-I/PT
✅ Drop-In✓ In Stock
$3.91 / Unit
View Datasheet →DSPIC33CH256MP206-E/PT
✅ Drop-In✓ In Stock
$4.78 / Unit
View Datasheet →DSPIC33CH128MP208T-I/PT
✅ Drop-In✓ In Stock
$6.2 / Unit
View Datasheet →DSPIC33CH512MP205-E/PT Maximum Ratings & Electrical Characteristics
| Product Family | dsPIC33CH Dual-Core DSC |
| Core Architecture | 16-bit dsPIC33, Dual-Core (Master + Slave) |
| Master Core Speed | 90 MIPS |
| Slave Core Speed | 100 MIPS |
| Maximum Clock Frequency | 180 MHz / 200 MHz (dual-core) |
| Program Memory (Flash) | 584 kB (584k x 8) |
| RAM | 48 kB + 16 kB (PRAM) |
| Package | 48-TQFP (7x7 mm) |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E temp grade) |
| PWM Resolution | High-resolution PWM (250 ps typical step) |
| CAN | CAN Flexible Data-rate (CAN FD) |
| ADC | 12-bit on-chip ADC |
| DMA Channels | 4 |
| Functional Safety | FuSa hardware (IEC 60730 / Class B ready) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC33CH512MP205-E/PT Pin Configuration
| Pin 1 | OSC1 — External oscillator input / crystal connection |
| Pin 2 | OSC2 — External oscillator output / crystal connection |
| Pin 3 | MCLR — Master Clear (reset) input, active low |
| Pin 4 | PGED1 — Master core programming/debug data |
| Pin 5 | PGEC1 — Master core programming/debug clock |
| Pin 6 | PGED2 — Slave core programming/debug data |
| Pin 7 | PGEC2 — Slave core programming/debug clock |
| Pin 8 | VDD — Core/IO supply (3.0-3.6 V) |
| Pin 9 | VCAP — Internal 1.8V LDO output, decouple with 10 uF cap |
| Pin 10 | RB0 — GPIO / AN0 analog input |
| Pin 11 | RB1 — GPIO / AN1 analog input |
| Pin 12 | RB2 — GPIO / AN2 analog input |
| Pin 13 | RB3 — GPIO / AN3 analog input |
| Pin 14 | RB4 — GPIO / AN4 analog input |
| Pin 15 | RB5 — GPIO / AN5 analog input |
| Pin 16 | RB6 — GPIO / AN6 analog input |
| Pin 17 | RB7 — GPIO / AN7 analog input |
| Pin 18 | RB8 — GPIO / AN8 analog input |
| Pin 19 | RB9 — GPIO / AN9 analog input |
| Pin 20 | RB10 — GPIO / AN10 analog input |
| Pin 21 | RB11 — GPIO / AN11 analog input |
| Pin 22 | RB12 — GPIO / AN12 analog input |
| Pin 23 | RB13 — GPIO / AN13 analog input |
| Pin 24 | RB14 — GPIO / AN14 analog input |
| Pin 25 | RB15 — GPIO / AN15 analog input |
| Pin 26 | AVSS — Analog ground reference |
| Pin 27 | AVDD — Analog supply (3.0-3.6 V) |
| Pin 28 | PWM1L — PWM 1 Low-side output |
| Pin 29 | PWM1H — PWM 1 High-side output |
| Pin 30 | PWM2L — PWM 2 Low-side output |
| Pin 31 | PWM2H — PWM 2 High-side output |
| Pin 32 | PWM3L — PWM 3 Low-side output |
| Pin 33 | PWM3H — PWM 3 High-side output |
| Pin 34 | PWM4L — PWM 4 Low-side output |
| Pin 35 | PWM4H — PWM 4 High-side output |
| Pin 36 | RC0 — GPIO / general purpose IO |
| Pin 37 | RC1 — GPIO / general purpose IO |
| Pin 38 | RC2 — GPIO / general purpose IO |
| Pin 39 | RC3 — GPIO / general purpose IO |
| Pin 40 | RC4 — GPIO / general purpose IO |
| Pin 41 | RC5 — GPIO / general purpose IO |
| Pin 42 | RC6 — GPIO / general purpose IO |
| Pin 43 | RC7 — GPIO / general purpose IO |
| Pin 44 | RC8 — GPIO / general purpose IO |
| Pin 45 | RC9 — GPIO / general purpose IO |
| Pin 46 | VSS — Digital ground |
| Pin 47 | VDD — Core/IO supply (3.0-3.6 V) |
| Pin 48 | VSS — Digital ground |
Typical Applications
DSPIC33CH512MP205-E/PT is suitable for 6 applications: Field-Oriented Control (FOC) Motor Drives, Digital Power Conversion (PFC, LLC, Full-Bridge), Sensorless Motor Control (PMSM / BLDC), Functional-Safety Appliance Controllers, Industrial Servo Drives and Robotics, Solar Inverters and Energy Storage.
Field-Oriented Control (FOC) Motor Drives
The DSPIC33CH512MP205-E/PT is purpose-built for FOC of PMSM and BLDC motors. Its dual-core topology partitions the Park/Clarke transform and current-loop math on the slave core (100 MIPS) while the master (90 MIPS) handles CAN, EtherCAT, or the user-interface stack, eliminating interrupt contention. The 250 ps high-resolution PWM delivers low-ripple torque at high switching frequencies, and the 1 MSPS 12-bit ADC samples phase currents synchronously to the PWM. Use the on-chip operational amplifiers and comparators for current sensing and overcurrent protection, and the dedicated quadrature encoder interface for rotor position. The FuSa hardware shortens IEC 60730 Class B certification for home-appliance motor drives.
Recommended
Digital Power Conversion (PFC, LLC, Full-Bridge)
High-resolution 250 ps PWM makes the DSPIC33CH512MP205-E/PT well-suited to digital power topologies such as totem-pole PFC, LLC resonant converters, and phase-shifted full-bridge converters. The slave core runs the high-frequency control loop while the master handles housekeeping, telemetry, and PMBus communication, isolating switching noise from measurement firmware. The dedicated PWM fault-input and high-impedance mode allow safe emergency shutdown without software intervention. Pair the controller with a digital isolator and gate driver for the synchronous rectifier stage, and use the on-chip 12-bit ADC with the PGA for closed-loop current and voltage sensing.
Recommended
Sensorless Motor Control (PMSM / BLDC)
The dual-core architecture simplifies sensorless motor control by allowing the slave core to execute the BEMF observer or sliding-mode estimator at fixed cycle time, while the master manages startup sequencing, alignment, and fault handling. The high-resolution PWM minimises audible switching noise and improves low-speed torque ripple. Combined with the on-chip 12-bit ADC and the configurable analog comparators for zero-crossing detection, the device supports sensorless starting algorithms from standstill without requiring external position sensors, reducing BOM cost and improving mechanical reliability in pumps, fans, and appliance motors.
Recommended
Functional-Safety Appliance Controllers
The DSPIC33CH512MP205-E/PT's on-chip FuSa hardware (CRC, dual-window watchdog, fault collection unit, and code-protect) streamlines IEC 60730 Class B certification for washing machines, dishwashers, induction cookers, and refrigerators. The dual-core isolation lets one core run the safety-critical control loop while the other executes the user-interface or communication stack, reducing the certification scope of the application firmware. The extended -40C to +125C temperature grade supports unheated appliance compartments, and the wide 3.0-3.6 V supply tolerates rectified mains-derived rails with bulk capacitance.
Recommended
Industrial Servo Drives and Robotics
The DSPIC33CH512MP205-E/PT drives multi-axis servo controllers, robot joint controllers, and CNC spindle drives that require deterministic control loops alongside high-speed communication. The 200 MHz dual-core complex achieves sub-microsecond current-loop periods, while the CAN FD, UART, and SPI peripherals handle EtherCAT, RS-485, and fieldbus communication. The dedicated quadrature encoder interface supports up to four incremental encoders, and the configurable PWM and ADC trigger units allow fine-grained synchronisation across axes. The 584 kB Flash accommodates complex motion-trajectory libraries without external memory.
Recommended
Solar Inverters and Energy Storage
The DSPIC33CH512MP205-E/PT is deployed in photovoltaic string inverters, microinverters, and battery management converters where high-resolution PWM and dual-core partitioning enable MPPT tracking on one core and grid-synchronisation algorithms on the other. The CAN FD peripheral simplifies BMS communication stacks, and the on-chip 12-bit ADC measures panel voltage, current, and temperature with adequate resolution. The extended temperature grade supports outdoor enclosure operation, and the wide 3.3 V supply rail tolerates auxiliary outputs from the main converter transformer. Use the dedicated PWM fault-input for hardware-level fast shutdown to meet grid-tie safety standards.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CH512MP205-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CH512MP205-I/PT | DSPIC33CH256MP205-I/PT | DSPIC33CH256MP206-E/PT | DSPIC33CH128MP208T-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Flash Memory | 584 kB | 584 kB | 256 kB (-56%) | 256 kB (-56%) | 128 kB (-78%) |
| RAM | 48 kB + 16 kB | 48 kB + 16 kB | Reduced | Reduced | Reduced |
| Core Architecture | Dual-Core 90 + 100 MIPS | Dual-Core 90 + 100 MIPS | Dual-Core | Dual-Core | Dual-Core |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I, T&R) |
| PWM Resolution | High-resolution (250 ps) | High-resolution (250 ps) | High-resolution (250 ps) | High-resolution (250 ps) | High-resolution (250 ps) |
| CAN FD Support | Yes | Yes | Yes | Yes | Yes |
| Functional Safety (FuSa) | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Dual-core topology isolates hard real-time control loop from housekeeping/communication firmware (vs DSPIC33CH256MP205-I/PT)
- 584 kB Flash and 64 kB RAM accommodate complex FOC and digital-power libraries (vs DSPIC33CH128MP208T-I/PT)
- Extended -40C to +125C industrial temperature grade supports outdoor and appliance applications (vs DSPIC33CH512MP205-I/PT)
Design Notes
The DSPIC33CH512MP205-E/PT requires careful decoupling of the VCAP pin (pin 9) with a low-ESR 10 uF ceramic capacitor placed within 5 mm of the pin to stabilise the internal 1.8 V core LDO. Bulk-decouple each VDD pin with 100 nF + 10 uF ceramic and tie all VSS pins to a solid ground plane. Estimated: at full 200 MHz dual-core operation, total supply current is approximately 80 mA; design the 3.3 V LDO for at least 150 mA headroom.
Separate analog (AVDD/AVSS) and digital (VDD/VSS) planes; tie them together at a single point under the device. Route the high-resolution PWM traces (PWMxH/PWMxL) as matched-length differential pairs to minimise skew below 1 ns. Keep switching node traces away from the analog ANOC inputs to prevent ADC noise coupling, and place the ADC reference capacitor directly at the AVDD pin.
Do not skip configuration of the slave core's FSEC (code-protect) and FBSLIM settings before locking the device; otherwise the slave firmware may be readable. Estimated: at -40C to +125C extended temperature, PWM timing accuracy drifts approximately 5%; verify with timer calibration at the design's worst-case operating temperature. Always use the dedicated PGED1/PGEC1 (master) and PGED2/PGEC2 (slave) pairs for separate core debug to avoid contention.
Compliance Information
RoHS compliant per Microchip product page. Industrial E temperature grade; for AEC-Q100 automotive qualification, choose the DSPIC33CH512MP205T-E/PT variant per Microchip USA listing.
