DSPIC33CK256MP606T-I/PT - 16-bit 100 MIPS DSC 256KB Flash | Microchip
MPN: DSPIC33CK256MP606T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.89 | $48.90 |
| 100 | $4.35 | $435.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33CK256MP606T-I/PT Overview
A digital signal controller combines the computational power of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC such as the dsPIC33CK256MP606 sits between general-purpose MCUs and dedicated DSPs, offering hard real-time control loops for power conversion and motor drive. The dsPIC33CK family succeeds the dsPIC33EP generation with a faster core, richer peripherals, and functional-safety (FuSa) support documentation.
Key features include 100 MIPS core performance, dual-partition flash enabling live firmware updates with fail-safe boot, integrated CAN FD, dual 12-bit ADCs capable of up to 3.5 Msps sampling, multiple 16-bit PWM modules with complementary outputs, and integrated operational amplifiers for current sensing. These peripherals directly target digital power and precision motor control where tight loop timing is critical.
Technically, the dsPIC33CK core implements DSP multiply-accumulate instructions, a barrel shifter, and modified Harvard architecture with separate program and data buses. Eight DMA channels offload data movement from the CPU, letting the ADC-to-PWM control loop run with minimal latency. Peripheral Trigger Generator (PTG) hardware automates ADC scan sequencing without CPU intervention.
Typical applications include PFC and DC-DC digital power supplies, brushless DC and PMSM field-oriented motor control, solar inverters, and advanced sensing systems. The CAN FD interface suits automotive and industrial networking nodes.
A key design consideration: all VDD and VSS pins must be connected - omitting any supply pin can cause programming failures. Plan power distribution and decoupling across the 64-pin TQFP early in layout.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-23.
Drop-in alternatives for DSPIC33CK256MP606T-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 DSPIC33CK256MP606T-I/PT (same form factor and footprint) — differing in Package, Core, Operating Temperature, CAN Interface, Core Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP606-I/PT
✅ Drop-In✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC33CK256MP606T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK256MP205-I/PT
✅ Drop-In✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33CK256MP205-E/PT
✅ Drop-In✓ In Stock
$3.92 / Unit
View Datasheet →DSPIC33CH64MP506T-I/PT
✅ Drop-In✓ In Stock
$2.74 / Unit
View Datasheet →DSPIC33CK256MP606T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33C 16-bit DSC core |
| Core Speed | 100 MHz (100 MIPS) |
| Program Memory Size | 256 KB (256K x 8) Flash |
| RAM Size | 64 KB |
| Flash Architecture | Dual Panel (Dual Partition) |
| CAN Interface | CAN FD |
| ADC Resolution | 12 bit |
| Package | 64-TQFP (10x10 mm), code PT |
| Operating Temperature | -40C to +85C (I grade) |
| DMA Channels | 8 |
| Peripherals | OpAmps, 12-bit ADCs, PWM, CAN FD |
| Mounting Type | Surface Mount |
| Functional Safety Support | Yes (FuSa package per DigiKey listing) |
| Packaging | Tape & Reel (T suffix) |
DSPIC33CK256MP606T-I/PT 64-tqfp (10x10 mm), code pt Pin Configuration Guide
Pin configuration for DSPIC33CK256MP606T-I/PT (64-tqfp (10x10 mm), code pt 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 DSPIC33CK256MP606T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK256MP606T-I/PT is suitable for 6 applications: Digital Power Supplies (PFC / DC-DC), Precision Motor Control (FOC for PMSM / BLDC), Solar Inverters and Renewable Energy, Automotive and Industrial CAN FD Networking Nodes, Advanced Sensing and Control Systems, Uninterruptible Power Supplies (UPS).
Digital Power Supplies (PFC / DC-DC)
The DSPIC33CK256MP606T-I/PT fits digital power conversion because its 100 MIPS DSP core executes average-current-mode control loops fast enough for PFC stages and LLC/half-bridge DC-DC converters. The dual 12-bit ADCs sample inductor current and output voltage with hardware-triggered, DMA-offloaded conversions, keeping loop latency deterministic. High-resolution 16-bit PWM modules with complementary outputs and programmable dead time drive MOSFET half-bridges directly or via gate drivers. Placing the ADC trigger synchronously with the PWM period minimizes switching-noise corruption of current samples. Unlike analog controllers, the dual-partition 256 KB flash allows field firmware updates with fail-safe boot, and the CAN FD interface enables remote telemetry, configuration, and fault reporting in distributed power architectures such as server telecom rectifiers.
Recommended
Precision Motor Control (FOC for PMSM / BLDC)
Microchip positions the dsPIC33CK family explicitly for high-performance precision motor control, and the DSPIC33CK256MP606T-I/PT delivers the complete single-chip field-oriented-control platform. Its 100 MHz core runs Park/Clarke transforms and PI current loops with DSP multiply-accumulate instructions in a single PWM period. Dual 12-bit ADCs sample two phase currents plus bus voltage; eight DMA channels move results without CPU intervention. Dedicated PWM modules generate centered, complementary six-channel drive with hardware dead time, and integrated op-amps buffer low-side shunt current signals, reducing external component count. Running the ADC triggered at the PWM midpoint places sampling away from switching edges, improving current-signal fidelity. The 64 KB RAM supports sensorless observer state variables for position estimation without additional memory.
Recommended
Solar Inverters and Renewable Energy
Grid-tied solar microinverters and string optimizers require simultaneous maximum-power-point tracking, DC-DC conversion, and grid-synchronization control - workloads the DSPIC33CK256MP606T-I/PT handles with its 100 MIPS core and rich PWM resources. Multiple PWM modules independently run the MPPT boost stage and the inverter H-bridge at different switching frequencies. The 12-bit ADCs continuously sample PV voltage/current and grid voltage for anti-islanding and MPPT algorithms, with DMA ensuring no samples are lost during computation bursts. Dual-partition 256 KB flash enables field firmware updates to adapt MPPT algorithms to new panel technologies without hardware recalls. The CAN FD interface supports plant-level monitoring networks. Designers should budget CPU load carefully so MPPT search and grid-locked current control both meet real-time deadlines.
Recommended
Automotive and Industrial CAN FD Networking Nodes
With an integrated CAN FD controller, the DSPIC33CK256MP606T-I/PT serves industrial automation and automotive-adjacent nodes that need both control capability and high-throughput networking. CAN FD raises data-phase throughput and payload to 64 bytes, letting this node stream diagnostics, sensor fusion data, or actuator telemetry at rates classical CAN cannot achieve. The 100 MIPS core runs local control loops (motor position, solenoid current, sensor processing) while the CAN stack operates concurrently via DMA-buffered message RAM. For -40C to +125C ambient environments such as underhood actuator controllers, use the extended-temperature DSPIC33CK256MP606T-E/PT variant on the identical footprint. The Peripheral Pin Select system lets designers route CAN TX/RX and remappable peripherals optimally for the 64-TQFP board layout.
Recommended
Advanced Sensing and Control Systems
The DSPIC33CK256MP606T-I/PT suits advanced sensing systems that combine multiple analog channels with local control decisions. Dual 12-bit ADCs scan multiple channels under Peripheral Trigger Generator (PTG) control, sequencing conversions automatically without CPU load, while eight DMA channels stream results to 64 KB RAM buffers for FFT or filtering. The integrated op-amps condition small sensor signals (shunts, thermistors, pressure bridges) prior to ADC input, reducing external analog front-end cost. DSP instructions accelerate windowed filters and calibration math, and 256 KB flash retains extensive lookup tables for sensor linearization. In HVAC, process instrumentation, and test equipment, the CAN FD or remappable UART/SPI/QEI peripherals connect the sensing node to plant networks. Designers should verify ADC reference stability against the measurement accuracy target.
Recommended
Uninterruptible Power Supplies (UPS)
Online double-conversion UPS designs benefit from the DSPIC33CK256MP606T-I/PT because a single 100 MIPS DSC can run the PFC stage, inverter control, and battery charger loops with coordinated timing. Synchronized PWM modules maintain fixed inter-stage timing relationships, while the dual 12-bit ADCs capture battery current, DC bus voltage, and inverter output voltage each switching cycle via DMA-offloaded conversions. The dual-partition 256 KB flash supports field firmware updates implementing new battery-chemistry charging profiles with fail-safe boot protection - critical for a device that must survive update faults. Integrated op-amps condition current-shunt signals for fast overcurrent protection paths. The CAN FD interface reports status to facility monitoring systems. Careful ADC-to-PWM trigger scheduling keeps protection latency within one switching period.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK256MP606T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP606-I/PT | DSPIC33CK256MP606T-E/PT | DSPIC33CK256MP205-I/PT | DSPIC33CH64MP506T-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm, PT) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz dual-core |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 64 KB |
| Temperature Range | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Packaging Format | Tape & Reel (T suffix) | Tray | Tape & Reel | Tray | Tape & Reel |
Key Differentiators
- Maximum flash in same footprint (vs DSPIC33CH64MP506T-I/PT)
- Extended temperature option (vs DSPIC33CK256MP606-I/PT)
- Full peripheral density vs MP205 siblings (vs DSPIC33CK256MP205-I/PT)
Design Notes
Connect ALL VDD and VSS pins on the 64-pin TQFP. Microchip (via NorthernSoftware dsPIC33CK256MP606 documentation) explicitly warns that if even one supply pin is unconnected, device programming may fail. Place a 100 nF ceramic decoupling capacitor at each VDD/VSS pair plus bulk capacitance near the regulator. Estimated: at 100 MHz with active peripherals, supply current can reach tens of mA - size the 3.3 V rail accordingly with headroom for programming and debug.
The dual-partition flash architecture enables live firmware updates: design the bootloader to validate the inactive partition before switching, per the family reference manual programming model. Partition the 256 KB flash deliberately (e.g., 128 KB + 128 KB) only if fail-safe update is required; otherwise use the chip unpartitioned for maximum single-image code space, as the device may be used either way per the manufacturer documentation.
The T suffix means tape-and-reel: verify reel quantity and moisture sensitivity level (MSL) baking requirements before profile reflow, and confirm your pick-and-place feeder supports 10x10 mm TQFP tape width. When substituting the tray-packaged DSPIC33CK256MP606-I/PT, footprint and pinout are identical, but update the BOM packaging code. Also confirm ADC reference stability against your measurement accuracy target - ADC accuracy depends heavily on VREF quality at 12-bit resolution.
Compliance Information
Compliance status was not captured in the retrieved web data; confirm on the Microchip product page certificate of conformance for your date code. Functional Safety (FuSa) support is documented per the DigiKey listing.
