DSPIC33CH512MP208T-I/PT - 180MHz Dual-Core DSC | 512KB Flash | Microchip
MPN: DSPIC33CH512MP208T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.35 | $103.50 |
| 100 | $9.2 | $920.00 |
| 500 | $8.05 | $4,025.00 |
| 1,000 | $6.9 | $6,900.00 |
DSPIC33CH512MP208T-I/PT Overview
A Digital Signal Controller (DSC) is a hybrid microcontroller that integrates a high-performance DSP engine with a general-purpose MCU core. DSCs execute single-cycle MAC instructions and dedicated DSP math paths, allowing simultaneous control-loop and signal-processing tasks. Within the broader taxonomy they sit between MCUs (microcontrollers) and full DSPs, occupying the 'real-time control' node in the power management and industrial-automation hierarchy. The dsPIC33CH family is engineered for systems where deterministic time-critical loops (FOC on field-oriented control, PFC, LLC, DCDC) must coexist with housekeeping, communication, and safety diagnostics.
Key features include 584 kB of dual-partition Flash with live update, 64 kB SRAM plus 16 kB tightly-coupled PRAM for the slave core, a 12-bit ADC at 3.5 Msps, high-resolution PWM with 250 ps resolution, CAN FD, and integrated op-amps/comparators/DAC. The chip also carries the Microchip Functional Safety hardware roadmap, including lockstep CPU options and a dedicated slave core for safety monitoring and housekeeping.
Architecturally, the device couples a 16-bit dsPIC DSC core and an independent slave dsPIC core on a die-interconnect bus. This dual-core structure allows designers to isolate motor-control or power-conversion code on one core while reserving the other for system management, communication, or safety tasks. The high-resolution PWM, fast ADC, and dedicated math accelerator deliver precise switching and current-sampling in tightly-looped converters.
Typical applications include field-oriented control (FOC) motor drives, on-board EV chargers, totem-pole PFC power supplies, LLC and phase-shifted DCDC converters, photovoltaic micro-inverters, industrial servo drives, and functional-safety certified appliances. Each application benefits from the dual-core split: the slave core offloads housekeeping so the main core stays in tight control loops.
When designing with this DSC, allocate Flash, RAM, and interrupt vectors between the two cores early in the project because the slave core has its own peripheral set and bus bandwidth. Verify board layout keeps analog and switching traces short, place decoupling directly at each VDD/VSS pair, and confirm the production-grade FOC/PFC firmware is profiled on the slave core before committing to pinout.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CH512MP208T-I/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 DSPIC33CH512MP208T-I/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, High-Resolution PWM, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CH512MP208-I/PT
✅ Drop-In✓ In Stock
$8.55 / Unit
View Datasheet →DSPIC33CH512MP208-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CH512MP206-I/PT
✅ Drop-In✓ In Stock
$7.8 / Unit
View Datasheet →DSPIC33CH512MP206-E/PT
✅ Drop-In✓ In Stock
$6.55 / Unit
View Datasheet →DSPIC33CH256MP208-I/PT
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC33CH512MP508T-I/PT
✅ Drop-In✓ In Stock
$4.22 / Unit
View Datasheet →DSPIC33CH512MP208T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33CH Dual-Core 16-bit DSC |
| Main Core Frequency | 180 MHz (90 MIPS) |
| Slave Core Frequency | 200 MHz (100 MIPS) |
| Program Flash | 584 kB |
| Data RAM | 64 kB |
| PRAM (slave core) | 16 kB |
| ADC | 12-bit, up to 3.5 Msps |
| High-Resolution PWM | Yes, 250 ps resolution |
| CAN FD | Yes |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | TQFP-80 (PT) 12x12 mm |
| Pin Count | 80 |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| Functional Safety (FuSa) | Hardware support for IEC 61508 / ISO 26262 |
| RoHS Status | Compliant |
DSPIC33CH512MP208T-I/PT Pin Configuration
| Pin 1 | VSS — Digital ground reference |
| Pin 2 | RP47/PWM1H/RB15 — Remappable I/O / PWM1H output |
| Pin 3 | RP46/PWM1L/RB14 — Remappable I/O / PWM1L output |
| Pin 4 | RP45/PWM2H/RB13 — Remappable I/O / PWM2H output |
| Pin 5 | RP44/PWM2L/RB12 — Remappable I/O / PWM2L output |
| Pin 6 | RP43/PWM3H/RB11 — Remappable I/O / PWM3H output |
| Pin 7 | RP42/PWM3L/RB10 — Remappable I/O / PWM3L output |
| Pin 8 | RP41/PWM4H/RB9 — Remappable I/O / PWM4H output |
| Pin 9 | RP40/PWM4L/RB8 — Remappable I/O / PWM4L output |
| Pin 10 | RP53/ASCL1/RB5 — Remappable I/O / I2C SCL1 |
| Pin 11 | RP52/ASDA1/RB4 — Remappable I/O / I2C SDA1 |
| Pin 12 | RP51/RC13 — Remappable I/O |
| Pin 13 | RP50/RC14 — Remappable I/O |
| Pin 14 | VDD — Digital supply 3.3V |
| Pin 15 | VSS — Digital ground |
| Pin 16 | RP49/SCL2/RB7 — Remappable I/O / I2C SCL2 |
| Pin 17 | RP48/SDA2/RB6 — Remappable I/O / I2C SDA2 |
| Pin 18 | OSCI/CLKI/RC12 — Crystal oscillator input / external clock |
| Pin 19 | OSCO/CLKO/RC15 — Crystal oscillator output |
| Pin 20 | RP55/RB3 — Remappable I/O |
| Pin 21 | RP54/RB2 — Remappable I/O |
| Pin 22 | RP65/AN17/RB1 — Remappable I/O / ADC analog input 17 |
| Pin 23 | RP64/AN18/RB0 — Remappable I/O / ADC analog input 18 |
| Pin 24 | RP63/AN19/RA7 — Remappable I/O / ADC analog input 19 |
| Pin 25 | AVSS1 — Analog ground 1 |
| Pin 26 | AVDD1 — Analog supply 1, 3.3V |
| Pin 27 | AN0/CVD1/RA0 — ADC analog input 0 / CVD input |
| Pin 28 | AN1/CVD2/RA1 — ADC analog input 1 / CVD input |
| Pin 29 | AN2/CVD3/RA2 — ADC analog input 2 / CVD input |
| Pin 30 | AN3/CVD4/RA3 — ADC analog input 3 / CVD input |
| Pin 31 | AN4/RA4 — ADC analog input 4 |
| Pin 32 | AN5/RA5 — ADC analog input 5 |
| Pin 33 | AVSS2 — Analog ground 2 |
| Pin 34 | AVDD2 — Analog supply 2, 3.3V |
| Pin 35 | AN6/RA6 — ADC analog input 6 |
| Pin 36 | RP79/AN20/RF7 — Remappable I/O / ADC analog input 20 |
| Pin 37 | RP78/AN21/RF6 — Remappable I/O / ADC analog input 21 |
| Pin 38 | RP77/AN22/RF5 — Remappable I/O / ADC analog input 22 |
| Pin 39 | RP76/AN23/RF4 — Remappable I/O / ADC analog input 23 |
| Pin 40 | RP75/AN24/RF3 — Remappable I/O / ADC analog input 24 |
| Pin 41 | RP74/AN25/RF2 — Remappable I/O / ADC analog input 25 |
| Pin 42 | RP73/AN26/RF1 — Remappable I/O / ADC analog input 26 |
| Pin 43 | RP72/AN27/RF0 — Remappable I/O / ADC analog input 27 |
| Pin 44 | RP71/RG15 — Remappable I/O |
| Pin 45 | RP70/RG14 — Remappable I/O |
| Pin 46 | RP69/RG13 — Remappable I/O |
| Pin 47 | RP68/RG12 — Remappable I/O |
| Pin 48 | RP67/RG11 — Remappable I/O |
| Pin 49 | RP66/RG10 — Remappable I/O |
| Pin 50 | RP80/RG9 — Remappable I/O |
| Pin 51 | RP39/RG8 — Remappable I/O |
| Pin 52 | RP38/RG7 — Remappable I/O |
| Pin 53 | RP37/RG6 — Remappable I/O |
| Pin 54 | RP36/C1RX/RG5 — Remappable I/O / CAN1 RX |
| Pin 55 | RP35/C1TX/RG4 — Remappable I/O / CAN1 TX |
| Pin 56 | RP34/C2RX/RG3 — Remappable I/O / CAN2 RX |
| Pin 57 | RP33/C2TX/RG2 — Remappable I/O / CAN2 TX |
| Pin 58 | RP32/RE8 — Remappable I/O |
| Pin 59 | RP31/RE9 — Remappable I/O |
| Pin 60 | RP30/RE10 — Remappable I/O |
| Pin 61 | RP29/RE11 — Remappable I/O |
| Pin 62 | RP28/RE12 — Remappable I/O |
| Pin 63 | RP27/RE13 — Remappable I/O |
| Pin 64 | RP26/RE14 — Remappable I/O |
| Pin 65 | RP25/RE15 — Remappable I/O |
| Pin 66 | RP24/RC0 — Remappable I/O |
| Pin 67 | RP23/RC1 — Remappable I/O |
| Pin 68 | RP22/RC2 — Remappable I/O |
| Pin 69 | RP21/RC3 — Remappable I/O |
| Pin 70 | RP20/RC4 — Remappable I/O |
| Pin 71 | RP19/RC5 — Remappable I/O |
| Pin 72 | VDD — Digital supply 3.3V |
| Pin 73 | VSS — Digital ground |
| Pin 74 | RP18/RC6 — Remappable I/O |
| Pin 75 | RP17/RC7 — Remappable I/O |
| Pin 76 | RP16/RC8 — Remappable I/O |
| Pin 77 | RP15/RC9 — Remappable I/O |
| Pin 78 | RP14/RC10 — Remappable I/O |
| Pin 79 | RP13/RC11 — Remappable I/O |
| Pin 80 | MCLR — Master clear reset input |
Typical Applications
DSPIC33CH512MP208T-I/PT is suitable for 6 applications: Field-Oriented Control Motor Drive, On-Board EV Charger / Totem-Pole PFC, Solar Micro-Inverter and String Inverter, Industrial Servo and CNC Drive, Wireless EV Charging Power Supply, Functional-Safety Appliance Control.
Field-Oriented Control Motor Drive
The DSPIC33CH512MP208T-I/PT is purpose-built for sensorless and sensored FOC motor drives serving pumps, compressors, HVAC blowers, and industrial servos. Its 180 MHz main core executes the FOC current loop in under 1 microsecond with three-phase 12-bit ADC sampling synchronized to the high-resolution 250 ps PWM, delivering torque ripple below 1% at 20 kHz switching frequency. The 200 MHz slave core handles encoder/SinCos decoding, speed-loop and field-weakening, plus housekeeping UART/USB, freeing the main core to stay inside the tight 50 microsecond torque loop. On-chip op-amps condition shunt-current signals directly without external amplifiers, shrinking the BOM.
Recommended
On-Board EV Charger / Totem-Pole PFC
The DSPIC33CH512MP208T-I/PT drives 6.6 kW to 22 kW on-board chargers and totem-pole PFC stages where the slave core is dedicated to PFC current-loop control and the main core manages LLC or phase-shifted DCDC conversion plus CAN FD communication. The high-resolution 250 ps PWM and 3.5 Msps 12-bit ADC achieve THD below 3% at full load with GaN switches at 200 kHz switching frequency. Hardware Functional Safety support and dual-core partitioning allow IEC 61508 SIL-2 firmware isolation without an external safety MCU. PRAM enables zero-latency data exchange between PFC and DCDC control loops.
Recommended
Solar Micro-Inverter and String Inverter
The DSPIC33CH512MP208T-I/PT powers residential and commercial photovoltaic micro-inverters up to 2.5 kW, running MPPT, grid synchronization, and anti-islanding in dual-core split mode. Its 584 kB Flash stores grid-tie control tables for IEEE 1547 and UL 1741 compliance across multiple regional profiles, while 64 kB RAM captures real-time grid voltage and frequency data for fast PLL lock. The integrated CAN FD enables daisy-chained module communication, and the 12-bit ADC pairs with on-chip op-amps to condition DC-bus and AC-line current. Industrial -40 °C to +85 °C temperature range suits outdoor enclosures.
Recommended
Industrial Servo and CNC Drive
The DSPIC33CH512MP208T-I/PT serves multi-axis industrial servo amplifiers and CNC spindle drives where deterministic response time below 16 microseconds is mandatory for surface finish. The dual-core architecture partitions path planning and trajectory generation on the slave core while the main core runs the 16 kHz position and velocity loops with sub-microsecond jitter. CAN FD interfaces with EtherCAT-slave controllers via SPI bridge, and the 12-bit ADC handles current/voltage feedback for three axes. Hardware Functional Safety features accelerate IEC 61800-5-2 SIL-2 STO and SS1 implementation.
Recommended
Wireless EV Charging Power Supply
The DSPIC33CH512MP208T-I/PT drives 11 kW wireless EV charging ground-assemblies where its dual-core split controls inverter switching and foreign-object detection concurrently. The main core runs 85 kHz LCL tank inverter control with high-resolution 250 ps PWM minimizing switching losses in SiC MOSFETs, while the slave core reads Q-factor and metal-object signatures via the 12-bit ADC to detect coins, keys, and pets. Dual-partition Flash supports wireless firmware updates over CAN FD without charging interruption, critical for fleet operators. Industrial temperature grade withstands underbody automotive thermal cycling.
Recommended
Functional-Safety Appliance Control
The DSPIC33CH512MP208T-I/PT targets white-goods and home-appliance controllers certified to IEC 60730 Class B and IEC 61508 SIL-2, including washing-machine inverter boards, induction cooktops, and HVAC compressors. Its hardware Functional Safety peripherals include dual watchdog timers, fail-safe clock monitoring, and CRC-on-Flash, while the lockstep capable dual-core option enables safety diagnostics with <1% CPU overhead. The slave core runs the safety software layer, allowing the main core to focus on user-interface, motor control, and connectivity. RoHS and REACH compliance satisfies European appliance directives.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CH512MP208T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CH512MP208-I/PT | DSPIC33CH512MP208-E/PT | DSPIC33CH512MP206-I/PT | DSPIC33CH512MP206-E/PT | DSPIC33CH256MP208-I/PT | DSPIC33CH512MP508T-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (PT) 12x12 mm | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same | TQFP-80 (PT) 12x12 mm - same |
| Program Flash | 584 kB | 584 kB | 584 kB | 584 kB | 584 kB | 256 kB (-56%) | 584 kB |
| Main Core Frequency | 180 MHz (90 MIPS) | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C |
| CAN FD Channels | 2 | 2 | 2 | 1 (-50%) | 1 (-50%) | 2 | 2 |
| High-Resolution PWM Channels | 8 | 8 | 8 | 8 | 8 | 8 | 16 (+100%) |
| Packaging Form | Tape & Reel | Tray | Tray | Tray | Tray | Tray | Tape & Reel |
| Target Application | Motor Control + Digital Power | Motor Control + Digital Power | Automotive-grade variants | Cost-optimized motor control | Cost-optimized automotive | Compact motor control firmware | High-channel digital power |
Key Differentiators
- Largest Flash in the dsPIC33CH MP208 family (vs DSPIC33CH256MP208-I/PT)
- Industrial temperature grade for outdoor enclosures (vs DSPIC33CH512MP208-E/PT)
- Dual-core architecture versus single-core DSCs (vs DSPIC33CH256MP208-I/PT)
- Optimized for motor control versus digital power (vs DSPIC33CH512MP508T-I/PT)
Design Notes
Estimated: this TQFP-80 DSC consumes approximately 200 mA typical at 180 MHz with full peripheral activity. Provide separate AVDD and VDD rails with ferrite-bead isolation; place 100 nF + 10 uF ceramic decoupling within 5 mm of every VDD/VSS pair. AVDD1 and AVDD2 should each have dedicated ferrite-bead feeds from VDD to keep ADC SNR above 70 dB. Source: Microchip datasheet DS70005371 hardware checklist.
Keep analog traces (AN0-AN27, op-amp inputs) at least 5 mm away from switching traces (PWM1-8) and isolated by ground fills to prevent coupling into ADC samples. The TQFP-80 thermal pad is absent; instead route a copper grid under the package to absorb transient heat during ADC-burst operation. Decoupling ground vias should be 8-mil drill with 18-mil pad for low-inductance return.
Do not skip the MCLR external pull-up resistor (10 kOhm to VDD); leaving MCLR floating causes erratic reset behaviour. Configure the FSCM (Fail-Safe Clock Monitor) and WDT immediately at boot, especially for IEC 60730 Class B compliance. The PRAM is a zero-wait-state slave-core scratch area; do not allocate more than 16 kB or PRAM overflow triggers hard fault. Source: Microchip errata DS80000546.
Place a 33 ohm series resistor on each PWM output pin to dampen transmission-line ringing when driving SiC MOSFETs or GaN FETs with sub-nanosecond transitions. For high-resolution PWM, route PWM1H/PWM1L as a differential pair with matched length; the same applies for PWM2H/L through PWM4H/L. Keep series resistors within 10 mm of the DSC pins to avoid reflections.
Compliance Information
RoHS and REACH compliant per Microchip material declaration. Not AEC-Q100 qualified at industrial grade; choose 'E' grade variants for automotive. Halogen-free per JEDEC JS709C. Conflict-minerals CMRT available on Microchip sustainability portal.
