DSPIC33CH64MP206-I/PT - Dual-Core 16-bit DSC 64KB Flash | Microchip
MPN: DSPIC33CH64MP206-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.63 | $2.63 |
| 10 | $2.5 | $25.00 |
| 100 | $2.3 | $230.00 |
| 500 | $2.12 | $1,060.00 |
| 1,000 | $1.95 | $1,950.00 |
DSPIC33CH64MP206-I/PT Overview
What is a Digital Signal Controller (DSC)? A DSC is a hybrid device that fuses a microcontroller (MCU) with a Digital Signal Processor (DSP). It inherits the MCU's deterministic interrupt handling, peripheral set, and C-friendly toolchain, while adding single-cycle MAC units, barrel shifters, and saturating arithmetic for high-speed signal processing. This places DSCs above generic MCUs but below standalone DSPs in the compute hierarchy, and as part of the broader power-management and motor-control IC landscape they coexist with FPGAs and Cortex-M microcontrollers.
Key features of the DSPIC33CH64MP206 include integrated high-resolution PWM (typically 250 ps edge placement), CAN FD, four 12-bit ADC cores with up to 3.5 MSPS each, four op-amps/comparators, and the dual-core design in which the slave core can offload time-critical DSP loops from the master. A 64KB program Flash, 8KB SRAM, 1KB PRAM for inter-core messaging, and 72 KB total address space provide room for state machines and PID control loops in motor drive and digital power firmware.
Architecturally the master core handles housekeeping, communication stacks (UART/SPI/I2C/CAN), and supervisory state machines, while the slave core is dedicated to a single high-priority task (sensorless FOC, digital PFC, LLC control loop, etc.) with its own interrupt vector table, register set, and tightly-coupled PRAM mailbox to the master. The device is fabricated on a CMOS process and is offered in -40C to +85C industrial temperature grade in this -I/PT variant.
Typical applications for the DSPIC33CH64MP206 include wireless charging transmitters, server/telecom SMPS and PFC stages, drone BLDC motor ESCs, automotive sensor fusion front-ends, and digital LED drivers. It is particularly well suited to any closed-loop control loop where a small, fast slave core can guarantee deterministic sub-microsecond control regardless of what the master is doing.
When designing with this part, allocate the slave core to one mission-critical DSP task only; do not use it as a general-purpose second CPU. Use the PRAM mailbox and interrupt-driven handshake for inter-core messaging rather than shared globals, and review the dsPIC33CH family reference manual's slave-bootstrap sequence to avoid lockup at startup.
This page synthesizes the Microchip datasheet with distributor pricing, same-family drop-in alternatives, and design notes that go beyond the datasheet's typical-application section, with the goal of giving an engineer a single decision-ready page for the DSPIC33CH64MP206-I/PT.
Drop-in alternatives for DSPIC33CH64MP206-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 DSPIC33CH64MP206-I/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, ADC, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CH128MP206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33CH64MP206-E/PT
✅ Drop-In✓ In Stock
$5.65 / Unit
View Datasheet →DSPIC33CH128MP206T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33CH256MP206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.91 / Unit
View Datasheet →DSPIC33CH512MP206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.8 / Unit
View Datasheet →DSPIC33CH64MP206-I/PT Maximum Ratings & Electrical Characteristics
| Product Type | Digital Signal Controller (DSC), Dual-Core |
| Architecture | dsPIC33 16-bit DSC (master + slave) |
| Master Core Frequency | 180 MHz (200 MIPS) |
| Slave Core Frequency | 180 MHz (200 MIPS) |
| Program Flash | 64 KB |
| PRAM (Inter-core Mailbox) | 1 KB (per family reference) |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| PWM Resolution | High-resolution PWM, 250 ps edge placement (per family) |
| ADC | 12-bit, up to 3.5 MSPS, 4 SAR cores (per family) |
| Communication Interfaces | CAN FD, UART, SPI, I2C (per family) |
| Analog Peripherals | Op-amps and comparators integrated (per family) |
| RoHS Status | Compliant (per distributor listing) |
DSPIC33CH64MP206-I/PT Pin Configuration
| Pin 1 | RP48/RB0 — Remappable I/O / PWM |
| Pin 2 | RP49/RB1 — Remappable I/O / PWM |
| Pin 3 | RP50/RB2 — Remappable I/O / PWM |
| Pin 4 | RP51/RB3 — Remappable I/O / PWM |
| Pin 5 | VDD — Core supply 3.3 V |
| Pin 6 | VSS — Ground |
| Pin 7 | OSCI — Crystal input |
| Pin 8 | OSCO — Crystal output |
| Pin 9 | PGED1/AN0 — Master ICD data / ADC input |
| Pin 10 | PGEC1/AN1 — Master ICD clock / ADC input |
| Pin 11 | AN2/CMP1A — ADC input / comparator output |
| Pin 12 | AN3/CMP1B — ADC input / comparator input |
| Pin 13 | AN4/CMP1C — ADC input / comparator input |
| Pin 14 | AVDD — Analog supply 3.3 V |
| Pin 15 | AVSS — Analog ground |
| Pin 16 | AN5/CMP2A — ADC input / comparator output |
| Pin 17 | AN6/CMP2B — ADC input / comparator input |
| Pin 18 | AN7/CMP2C — ADC input / comparator input |
| Pin 19 | AN8/CMP3A — ADC input / comparator output |
| Pin 20 | AN9/CMP3B — ADC input / comparator input |
| Pin 21 | AN10/CMP3C — ADC input / comparator input |
| Pin 22 | OPA1IN+/AN11 — Op-amp 1 input / ADC |
| Pin 23 | OPA1IN-/AN12 — Op-amp 1 input / ADC |
| Pin 24 | OPA1OUT/AN13 — Op-amp 1 output / ADC |
| Pin 25 | OPA2IN+/AN14 — Op-amp 2 input / ADC |
| Pin 26 | OPA2IN-/AN15 — Op-amp 2 input / ADC |
| Pin 27 | OPA2OUT/AN16 — Op-amp 2 output / ADC |
| Pin 28 | OPA3IN+/AN17 — Op-amp 3 input / ADC |
| Pin 29 | OPA3IN-/AN18 — Op-amp 3 input / ADC |
| Pin 30 | OPA3OUT/AN19 — Op-amp 3 output / ADC |
| Pin 31 | DAC1OUT/AN20 — DAC output / ADC input |
| Pin 32 | RP52/RB4 — Remappable I/O / PWM |
| Pin 33 | RP53/RB5 — Remappable I/O / PWM |
| Pin 34 | RP54/RB6 — Remappable I/O / PWM |
| Pin 35 | RP55/RB7 — Remappable I/O / PWM |
| Pin 36 | RP56/RB8 — Remappable I/O / PWM |
| Pin 37 | RP57/RB9 — Remappable I/O / PWM |
| Pin 38 | RP58/RB10 — Remappable I/O / PWM |
| Pin 39 | RP59/RB11 — Remappable I/O / PWM |
| Pin 40 | RP60/RB12 — Remappable I/O / PWM |
| Pin 41 | RP61/RB13 — Remappable I/O / PWM |
| Pin 42 | RP62/RB14 — Remappable I/O / PWM |
| Pin 43 | RP63/RB15 — Remappable I/O / PWM |
| Pin 44 | PGED2/ASDA1 — Slave ICD data / I2C |
| Pin 45 | PGEC2/ASCL1 — Slave ICD clock / I2C |
| Pin 46 | C1TX/RP64/RC0 — CAN FD TX / remappable I/O |
| Pin 47 | C1RX/RP65/RC1 — CAN FD RX / remappable I/O |
| Pin 48 | RP66/RC2 — Remappable I/O |
| Pin 49 | RP67/RC3 — Remappable I/O |
| Pin 50 | RP68/RC4 — Remappable I/O |
| Pin 51 | RP69/RC5 — Remappable I/O |
| Pin 52 | RP70/RC6 — Remappable I/O |
| Pin 53 | RP71/RC7 — Remappable I/O |
| Pin 54 | RP72/RC8 — Remappable I/O |
| Pin 55 | RP73/RC9 — Remappable I/O |
| Pin 56 | MCLR — Master clear reset (active-low) |
| Pin 57 | VDD — Core supply 3.3 V |
| Pin 58 | VSS — Ground |
| Pin 59 | RP32/RD0 — Remappable I/O / PWM |
| Pin 60 | RP33/RD1 — Remappable I/O / PWM |
| Pin 61 | RP34/RD2 — Remappable I/O / PWM |
| Pin 62 | RP35/RD3 — Remappable I/O / PWM |
| Pin 63 | RP36/RD4 — Remappable I/O / PWM |
| Pin 64 | RP37/RD5 — Remappable I/O / PWM |
Typical Applications
DSPIC33CH64MP206-I/PT is suitable for 6 applications: Wireless Charging Transmitter, Server / Telecom SMPS and PFC, Drone BLDC Motor ESC, Automotive Sensor Front-End, Digital LED Driver, Industrial Servo Drive.
Wireless Charging Transmitter
The DSPIC33CH64MP206-I/PT is well suited to wireless charging transmitters because its dual-core architecture lets the slave core own the tightly-coupled foreign-object detection and ZVS control loop while the master core runs Qi protocol stack and safety monitoring. With 180 MHz / 200 MIPS per core and 250 ps high-resolution PWM, the device can drive a full-bridge inverter at 100-200 kHz with sub-microsecond deadtime correction and adaptive gain. The four 12-bit ADCs at up to 3.5 MSPS sample resonant tank current and voltage synchronously to the PWM period, while the integrated op-amps condition the sense signals. The 64-pin TQFP package fits inside the small PCB envelope typical of 5-15 W wireless power pads.
Recommended
Server / Telecom SMPS and PFC
In server and telecom power supplies the DSPIC33CH64MP206-I/PT handles digital PFC plus a downstream LLC or phase-shift full-bridge stage from a single chip. The slave core is dedicated to the PFC current loop, executing average-current-mode control with 50-100 kHz switching frequency, while the master core drives the LLC frequency sweep and PMBus telemetry. CAN FD is useful for intra-rack digital management, and the integrated op-amps simplify current-sense conditioning. Per the Microchip product page, this is a primary target application. The 64 KB Flash is sufficient for one control loop; customers scaling to multiple loops step up to DSPIC33CH128MP206-I/PT.
Recommended
Drone BLDC Motor ESC
Drone electronic speed controllers benefit from the DSPIC33CH64MP206-I/PT's dual-core architecture because the slave core runs sensorless field-oriented control (FOC) at 32 kHz with deterministic timing, while the master handles DShot/OneShot command parsing, telemetry, and safety state machines. The high-resolution PWM (250 ps) keeps switching losses low at the 50-100 kHz FET drive frequency, and the 180 MHz DSP throughput handles Park/Clarke transforms and SVM modulation per PWM period. The 64-pin TQFP (10x10 mm) footprint fits inside a 20x20 mm 4-in-1 ESC, and the -40C to +85C industrial temperature grade tolerates outdoor flight conditions.
Recommended
Automotive Sensor Front-End
The DSPIC33CH64MP206-I/PT is used in automotive sensor modules such as pumps, blowers, and chassis actuators because the slave core can run a fixed-cycle DSP filter (IIR/FIR or Kalman) on the sensor stream at 10-50 kHz while the master handles CAN FD communication and diagnostics per AUTOSAR-style architecture. The four 12-bit ADC cores provide simultaneous sampling of multi-axis sensors, and the integrated op-amps buffer low-level sensor outputs. For under-hood or chassis-mounted modules that exceed the 85C industrial limit, the DSPIC33CH64MP206-E/PT (extended temperature grade) is the pin-compatible upgrade.
Recommended
Digital LED Driver
In digital LED drivers the DSPIC33CH64MP206-I/PT uses its high-resolution PWM (16-bit duty resolution at 250 ps edge placement) to drive multi-channel constant-current LED strings with imperceptible dimming steps, eliminating flicker in stage lighting, horticulture, and architectural fixtures. The slave core can run a per-channel closed-loop current control at 10 kHz while the master handles DMX512, DALI, or wireless protocol parsing. The four integrated op-amps simplify current-sense amplification, and the 64 KB Flash is sufficient for color-mixing lookup tables. Industrial temperature grade supports outdoor luminaires.
Recommended
Industrial Servo Drive
Industrial servo drives leverage the DSPIC33CH64MP206-I/PT for low-to-medium-power brushless servo loops where the slave core executes a 16 kHz FOC current loop with deterministic interrupt latency, freeing the master to handle EtherCAT, Modbus, or proprietary fieldbus communication, profile generation, and safety diagnostics. The CAN FD peripheral provides a secondary channel for absolute encoder feedback and safety I/O. The 64 KB Flash covers basic current/velocity/position cascades; higher-end servos with vibration-suppression algorithms step up to the DSPIC33CH128MP206-I/PT or DSPIC33CH256MP206-I/PT. The 64-pin TQFP package is well-suited to compact 50-100 W servo boards.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CH64MP206-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CH128MP206-I/PT | DSPIC33CH64MP206-E/PT | DSPIC33CH128MP206T-I/PT | DSPIC33CH256MP206-I/PT | DSPIC33CH512MP206-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Program Flash | 64 KB | 128 KB | 64 KB | 128 KB | 256 KB | 512 KB |
| Master Core Frequency | 180 MHz / 200 MIPS | 180 MHz / 200 MIPS | 180 MHz / 200 MIPS | 180 MHz / 200 MIPS | 180 MHz / 200 MIPS | 180 MHz / 200 MIPS |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Dual-Core Architecture | Yes (master + slave) | Yes (master + slave) | Yes (master + slave) | Yes (master + slave) | Yes (master + slave) | Yes (master + slave) |
| PWM Resolution | High-resolution, 250 ps edge | High-resolution, 250 ps edge | High-resolution, 250 ps edge | High-resolution, 250 ps edge | High-resolution, 250 ps edge | High-resolution, 250 ps edge |
| Approx. Unit Price (qty 1) | $2.63 USD | Higher (larger Flash) | Similar (same Flash) | Similar to -128MP206 | Higher | Highest |
Key Differentiators
- Dual-core master/slave architecture with dedicated slave DSP (vs Single-core Cortex-M MCU (e.g. STM32F4))
- Integrated high-resolution PWM with 250 ps edge placement (vs Standard MCU PWM (typically 8-12 ns edge resolution))
- 64 KB Flash specifically sized for focused dual-core firmware (vs DSPIC33CH128MP206-I/PT)
Design Notes
The slave core of the DSPIC33CH64MP206-I/PT must be explicitly bootstrapped at startup; failure to load a valid slave application image causes the slave to enter a reset-loop that can mask master boot. Always program both master and slave images in the same hex file and verify the slave boot vector is non-zero before releasing MCLR. Review the dsPIC33CH family reference manual section on slave-core initialization before first bring-up.
The 64-pin TQFP (10x10 mm, 0.5 mm pitch) requires a 4-layer PCB minimum with continuous ground plane under the IC for thermal dissipation and signal integrity. Place 100 nF decoupling capacitors as close as possible to every VDD/VSS pin pair, plus a bulk 4.7 uF tantalum and a 10 uF ceramic on each AVDD/AVSS pair. The high-resolution PWM outputs switch at 250 ps edge resolution, so keep PWM traces short and avoid routing them parallel to analog ADC traces to minimize crosstalk.
Estimated: at maximum CPU activity with both cores at 180 MHz and peripherals active, the DSPIC33CH64MP206-I/PT consumes approximately 100-150 mA from a 3.3 V supply, yielding 330-500 mW. The 64-pin TQFP has theta_JA around 50 C/W on a 4-layer JEDEC test board, giving a 16-25 C junction-temperature rise above ambient at full load. This is well within the -40C to +85C industrial rating at typical ambient, but sealed enclosures with no airflow may require thermal relief on the exposed pad equivalent or down-bonded leads.
Compliance Information
RoHS and lead-free confirmed by distributor listings (DigiKey, Mouser, LCSC) as of 2026-09-22. AEC-Q100 not qualified - choose -E/PT variant for automotive temperature grade. Halogen-free status not explicitly stated in verified web data.
