DSPIC33CH64MP506-I/PT - Dual Core 100MHz DSC 64KB Flash | Microchip
MPN: DSPIC33CH64MP506-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.25 | $62.50 |
| 100 | $5.55 | $555.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.65 | $4,650.00 |
DSPIC33CH64MP506-I/PT Overview
A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. In the power-management hierarchy, the dsPIC33CH family sits above single-core dsPIC33 devices: one core is designed as a master to run general application logic and human interface tasks, while the second slave core is dedicated to time-critical loops such as digital power compensation. The two cores communicate through a dedicated shared-RAM interface, allowing one silicon device to replace a two-chip controller/processor pairing.
Key features include the dual-core asymmetric architecture optimized so the slave core is designed for sophisticated control algorithms, CAN Flexible Data (CAN FD) for automotive and industrial networking, and high-resolution PWM peripherals engineered for switching power supplies and motor drives. The -I/PT ordering code denotes the industrial temperature grade (-40C to +125C) in a surface-mount TQFP package suitable for automated assembly.
Architecturally, the master core manages communications, housekeeping and system supervision while the slave core executes control-loop code with minimal jitter. This partitioning reduces interrupt latency pressure on the control loop compared with a single-core design, which is why the dsPIC33CH family is optimized for high-performance digital power conversion.
Typical applications include digital power supplies, server and telecom power, wireless charging, drone motor control, automotive sensors, and industrial inverters where CAN FD networking and precise PWM timing are required.
Design consideration: budget your flash carefully - this 64 KB variant is the smallest MP506 memory option, so pin-compatible 128 KB, 256 KB and 512 KB siblings in the same 64-TQFP footprint exist for firmware growth without PCB redesign.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design guidance not found on the manufacturer product page alone.
Drop-in alternatives for DSPIC33CH64MP506-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 DSPIC33CH64MP506-I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, ADC, High-Resolution PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CH128MP506-I/PT
✅ Drop-In✓ In Stock
$5.62 / Unit
View Datasheet →DSPIC33CH256MP506T-I/PT
✅ Drop-In✓ In Stock
$5.7 / Unit
View Datasheet →DSPIC33CH512MP506T-I/PT
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →DSPIC33CH128MP508-E/PT
✅ Drop-In✓ In Stock
$3.4 / Unit
View Datasheet →DSPIC33CH64MP506-I/PT Maximum Ratings & Electrical Characteristics
| Core Type | dsPIC33 16-bit DSC, dual core (master + slave) |
| Maximum CPU Speed | 100 MHz |
| Program Memory (Flash) | 64 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| CAN Interface | CAN FD (Flexible Data) |
| PWM | High-Resolution PWM |
| Operating Temperature | -40C to +125C (I grade) |
| Package | 64-TQFP (10x10 mm) |
| Pin Count | 64 |
| Mounting Type | Surface Mount |
| Supply Voltage - Max | 3.6 V |
| Supply Voltage - Min | 3.0 V |
| Product Family | dsPIC33CH (28/36/48/64/80-Pin Dual Core 16-bit DSC) |
| Core Architecture | Asymmetric dual core with dedicated shared RAM |
DSPIC33CH64MP506-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33CH64MP506-I/PT (64-tqfp (10x10 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 DSPIC33CH64MP506-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CH64MP506-I/PT is suitable for 6 applications: Server and Telecom Power Supplies, Wireless Power Transfer, Drone Motor Control, Automotive Sensors and Networking, Industrial Motor Drives and Inverters, Digital DC-DC Converters and Point-of-Load.
Server and Telecom Power Supplies
The DSPIC33CH64MP506-I/PT fits server and telecom AC-DC and DC-DC power stages because its 100 MHz dual-core architecture isolates the fast compensation loop on the slave core while the master core manages PMBus/CAN housekeeping. The High-Resolution PWM delivers fine duty-cycle resolution needed for high switching frequencies, improving efficiency and transient response. Placed as the main digital controller for LLC or phase-shifted full-bridge converters, the DSC removes the jitter penalty a single-core MCU suffers when servicing communications interrupts. The trade-off versus analog control is firmware development effort, repaid by telemetry and programmability. The -I industrial grade (up to +125C) suits hot power-supply environments.
Recommended
Wireless Power Transfer
Wireless power transmitters demand precise, phase-shifted PWM with tight timing control - exactly what the dsPIC33CH High-Resolution PWM provides on the DSPIC33CH64MP506-I/PT. Microchip explicitly lists wireless power among the target applications of the dsPIC33CH128MP508 dual-core family, which shares this architecture. The slave core runs the resonant-frequency tracking and foreign-object detection loops at 100 MHz while the master core handles CAN/UART communication with the system host. The 64-pin TQFP exposes enough PWM channels for full-bridge and multiple-coil designs. Using dual cores avoids the interrupt-latency jitter that a single-core controller injects into the resonant control loop, protecting transfer efficiency.
Recommended
Drone Motor Control
For drone electronic speed controllers, the DSPIC33CH64MP506-I/PT offers the dual-core split that motor control demands: the slave core executes field-oriented control (FOC) at 100 MHz with deterministic timing, while the master core processes telemetry, flight-controller input and safety monitoring. The High-Resolution PWM supports the high-frequency complementary PWM with dead-time control needed for MOSFET bridge drives. The -I temperature grade covers -40C to +125C, important for motors in direct sunlight or high-current airframes. The 64-pin package provides sufficient PWM and ADC pins for three-phase sensing. Its 64 KB flash suits lean FOC firmware; scale to 128 MP506 if sensor fusion is added.
Recommended
Automotive Sensors and Networking
The DSPIC33CH64MP506-I/PT supports automotive-adjacent sensor modules through its integrated CAN FD controller, which carries 64-byte payloads and higher data-phase bit rates than classical CAN. Microchip identifies automotive sensors as a target application for the dsPIC33CH dual-core family. The master core handles the CAN FD stack and diagnostic services while the slave core runs the sensor signal-processing algorithm, giving clean partitioning without inter-chip latency. The -40C to +125C industrial temperature range matches under-hood-adjacent module requirements; for production automotive platforms select an AEC-Q100-qualified dsPIC33CH variant instead. The 64-pin TQFP provides adequate analog and digital I/O for multi-axis sensor front ends.
Recommended
Industrial Motor Drives and Inverters
Industrial variable-frequency drives and solar inverters benefit from the DSPIC33CH64MP506-I/PT's asymmetric dual-core design: the slave core closes the current and speed loops with minimal jitter at 100 MHz, while the master core implements Modbus/CAN FD fieldbus communication, fault logging and human-interface tasks. The High-Resolution PWM provides the duty-cycle granularity required for low-distortion inverter output at audible-quiet switching frequencies. The -I grade supports -40C to +125C cabinet environments. Compared with a single-core DSC, the dedicated control core prevents communication interrupts from corrupting the control period, improving current-loop THD and protecting against stall-detection false trips under heavy bus traffic.
Recommended
Digital DC-DC Converters and Point-of-Load
For digitally controlled DC-DC converters, the DSPIC33CH64MP506-I/PT runs the voltage-mode or current-mode compensation on its slave core using the High-Resolution PWM for microsecond-scale loop updates, while the master core manages PMBus telemetry, sequencing and fault handling. This partitioning is why Microchip positions dsPIC33CH specifically for high-performance digital power. The dual-core shared-RAM interface passes setpoints and telemetry between cores with deterministic latency. The 64-pin TQFP supports multi-rail designs needing several PWM outputs and current-sense ADC channels. The compact 64 KB flash fits a focused converter firmware; the pin-compatible 128 MP506 variant covers later feature growth without PCB change.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CH64MP506-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CH128MP506-I/PT | DSPIC33CH256MP506T-I/PT | DSPIC33CH512MP506T-I/PT | DSPIC33CH128MP508-E/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | TQFP family footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (dual core) | 100 MHz (dual core) | 100 MHz (dual core) | 100 MHz (dual core) | 100 MHz (dual core) |
| Program Flash | 64 KB | 128 KB | 256 KB | 512 KB | 128 KB |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| High-Resolution PWM | Yes | Yes | Yes | Yes | Yes |
| Drop-in Compatible on Same PCB | - | Yes - pin-to-pin | Yes - pin-to-pin | Yes - pin-to-pin | Same family - verify pin map |
Key Differentiators
- Smallest and lowest-cost flash option in the MP506 drop-in group (vs DSPIC33CH128MP506-I/PT)
- Balanced flash-to-cost midpoint in the same footprint (vs DSPIC33CH256MP506T-I/PT)
- Cost-optimized versus maximum-memory sibling (vs DSPIC33CH512MP506T-I/PT)
- Industrial (-I) temperature grade in standard TQFP (vs DSPIC33CH128MP508-E/PT)
Design Notes
Flash budgeting is the most common pitfall on the 64 KB part. The dsPIC33CH runs two independent programs (master core image plus slave core image), and both must fit within the total 64 KB program flash. Estimate your slave control-loop code and master application separately, add bootloader space, and if the sum approaches roughly 80% of 64 KB, move to the pin-compatible DSPIC33CH128MP506-I/PT before layout freeze - the 64-TQFP footprint is identical so no PCB change is needed.
For the 64-pin TQFP (10x10 mm), place 100 nF ceramic decoupling capacitors at each VDD/VSS pair as close to the pins as possible, plus bulk capacitance near the supply entry. The High-Resolution PWM edges drive external MOSFET gates with fast di/dt; keep gate-drive traces short and route them away from analog sense lines. Use a solid ground plane under the device and star-connect analog ground returns for ADC accuracy. Follow Microchip's dsPIC33CH reference-design layouts for digital power when available.
The device operates from a single 3.0V to 3.6V supply (nominal 3.3V). Estimated: total supply current depends on both cores running at 100 MHz plus peripheral loading, so budget regulator headroom above the datasheet typical numbers rather than sizing the rail at the idle figure. Ensure the 3.3V rail can source the peak current during simultaneous core and CAN FD activity, and sequence the supply monotonically - brown-outs during flash writes can corrupt program memory.
Compliance Information
Compliance status not stated in the provided verified web data. Confirm RoHS/REACH and lead-free status on the official Microchip product page for DSPIC33CH64MP506 before procurement.