DSPIC33CK64MP206-E/MR - 100MHz 16-bit DSC 64KB Flash | Microchip
MPN: DSPIC33CK64MP206-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33CK64MP206-E/MR Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control behavior of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits between general-purpose MCUs and dedicated digital power ASICs, providing a modified Harvard architecture with a 16-bit dsPIC DSC core executing up to 100 MIPS for closed-loop control of power conversion and motor drive systems.
Key features include dual-partition Flash with error-correction code (ECC) and Live Update support, which allows firmware upgrades while the controller continues to run; Memory Built-In Self-Test (MBIST) for functional-safety designs; high-resolution PWM outputs suited to digitally controlled power supplies; and CAN Flexible Data (CAN FD) for industrial and automotive networking. The three integrated op-amps reduce external component count in current-sense front ends.
Technically, the dsPIC33CK core operates from 3.0V to 3.6V and integrates DSP multiply-accumulate instructions alongside deterministic interrupt latency, making it well matched to fixed-point control loops executing at switching frequencies of hundreds of kilohertz. The functional-safety (FuSa) variant designation supported by this part aids IEC 61508 and ISO 26262 oriented development flows.
Typical applications include digital power supplies (LLC, totem-pole PFC), brushless DC and PMSM motor control, solar micro-inverters, and battery-management systems. The integrated analog front end (op-amps, comparators, 12-bit ADC peripherals in the family) enables single-chip current shaping and fast overcurrent protection.
When designing with this device, budget the 8 KB SRAM carefully for control-loop state plus communications buffers, and leverage the PTG to offload deterministic trigger sequencing from the CPU.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with specifications verified against Microchip and distributor listings as of 2026-09-23.
Drop-in alternatives for DSPIC33CK64MP206-E/MR — 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 DSPIC33CK64MP206-E/MR (same form factor and footprint) — differing in Program Flash, Data SRAM, Operating Temperature, Package, CAN Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP206-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK32MP206-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP206-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.23 / Unit
View Datasheet →DSPIC33CK32MP506-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33CK128MP506-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.42 / Unit
View Datasheet →DSPIC33CK64MP206-E/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Operating Frequency | 100 MHz (100 MIPS) |
| Program Flash | 64 KB with ECC and dual-partition Live Update |
| Data SRAM | 8 KB with MBIST |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C (E grade) |
| Architecture | Modified Harvard, single-core |
| On-chip Op-Amps | 3 |
| Analog Comparators | 3 |
| Peripheral Trigger Generator | Yes (PTG) |
| CAN Interface | CAN Flexible Data (CAN FD) |
| PWM | High-Resolution PWM |
| Functional Safety Support | Yes (FuSa variant features) |
| Package | 64-QFN (9x9 mm), MR |
| Mounting Type | Surface Mount |
DSPIC33CK64MP206-E/MR 64-qfn (9x9 mm), mr Pin Configuration Guide
Pin configuration for DSPIC33CK64MP206-E/MR (64-qfn (9x9 mm), mr 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 DSPIC33CK64MP206-E/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP206-E/MR is suitable for 6 applications: Digital Power Supplies, Brushless DC and PMSM Motor Control, Battery Management Systems, Solar Micro-Inverters, Industrial Networking and Sensing Nodes, Audio and Signal Processing Equipment.
Digital Power Supplies
The DSPIC33CK64MP206-E/MR fits digitally controlled power converters such as LLC resonant stages and totem-pole PFC because its 100 MHz (100 MIPS) core closes voltage and current loops at switching frequencies in the hundreds of kilohertz with deterministic latency, while high-resolution PWM delivers fine duty and phase resolution for soft-switching control. The three on-chip op-amps amplify current-shunt signals and the three comparators provide cycle-by-cycle overcurrent trips without CPU intervention. Placed as the main controller between the feedback dividers and gate drivers, it replaces analog control chips and enables firmware-tunable compensation; the trade-off versus dedicated analog controllers is firmware development effort and the need to verify worst-case loop timing within the 8 KB SRAM budget.
Recommended
Brushless DC and PMSM Motor Control
For field-oriented control of BLDC and PMSM motors, the DSPIC33CK64MP206-E/MR provides the 100 MIPS DSP throughput required for current-loop execution at PWM frequencies of 20-100 kHz, with DSP multiply-accumulate instructions accelerating Clarke/Park transforms and PI compensation. The integrated 3-op-amp front end conditions phase-current shunts directly, and the 3 comparators implement hardware overcurrent shutdown. The -40C to +150C E-grade rating tolerates ambient temperatures near drive electronics. In a typical drive, the DSC receives position feedback from hall or encoder inputs, computes FOC in fixed point, and drives a three-phase inverter through its high-resolution PWM outputs; the advantage over general-purpose MCUs is single-chip current shaping with lower external BOM cost, while the constraint is the 8 KB SRAM limiting very complex state machines.
Recommended
Battery Management Systems
The DSPIC33CK64MP206-E/MR serves as a battery-pack controller where its CAN FD interface packs cell-voltage and state-of-charge telemetry onto modern vehicle and industrial buses, and its 12-bit-capable analog resources measure stack currents via the on-chip op-amps. The dual-partition Flash with ECC and Live Update allows firmware field updates with rollback protection - important for deployed energy-storage assets - while MBIST supports self-diagnostic routines. Operating from a 3.0V to 3.6V rail, the DSC supervises a front-end AFE, executes coulomb-counting and protection algorithms at 100 MIPS, and trips pack disconnect through comparator outputs in hardware. The E-grade temperature range covers under-hood and outdoor cabinet environments; the trade-off versus dedicated BMS ASICs is firmware qualification effort offset by full algorithm flexibility.
Recommended
Solar Micro-Inverters
In a solar micro-inverter, the DSPIC33CK64MP206-E/MR executes maximum-power-point tracking, grid-synchronization (PLL), and DC/AC modulation concurrently on its 100 MHz single core. High-resolution PWM generates the switching patterns for interleaved boost and DC/AC stages, and the PTG offloads deterministic ADC-trigger sequencing so the CPU spends cycles on the MPPT algorithm rather than trigger housekeeping. CAN FD or UART links report panel-level performance data to gateway electronics. The on-chip comparators add a hardware layer of overcurrent protection between firmware decisions. The single-chip integration of op-amps, comparators, and control DSP shrinks the control card, which matters in encapsulated micro-inverter housings with limited PCB area and constrained thermal budgets where the -40C to +150C rating is a distinct advantage.
Recommended
Industrial Networking and Sensing Nodes
The DSPIC33CK64MP206-E/MR works well as an intelligent industrial sensing node: CAN FD supports payloads up to 64 bytes at higher bit rates than classical CAN, making it suitable for factory automation backbones, while the Peripheral Trigger Generator automates sensor sampling sequences. The three op-amps amplify bridge-sensor outputs (pressure, load-cell) and the DSP engine applies fixed-point filtering faster than a typical MCU. Dual-partition Flash allows field firmware updates over the network with ECC protection against bit corruption in electrically noisy environments. Designers typically connect an analog front end to the op-amp inputs, terminate CAN FD through an external transceiver, and schedule acquisition-to-transmission pipelines in the 8 KB SRAM. The main design consideration is SRAM budgeting when buffering multiple sensor streams alongside the protocol stack.
Recommended
Audio and Signal Processing Equipment
The DSP core of the DSPIC33CK64MP206-E/MR executes fixed-point audio algorithms - filtering, dynamic processing, and control-plane tasks - at 100 MIPS, sufficient for multi-channel effects chains at 48 kHz sampling rates. The three integrated op-amps serve as input buffer/anti-alias gain stages, reducing external component count in compact audio hardware, and the ADC-triggering through the PTG yields consistent sampling latency, which matters for latency-sensitive paths. Dual-partition Flash supports feature updates shipped to deployed units. Typical topology: analog inputs buffered by the on-chip op-amps, converted by the family ADC under PTG control, processed with DSP library functions, and output through PWM-DAC or external codec via SPI/UART. Compared with general-purpose MCUs, the DSC instruction set provides single-cycle MAC operations; compared with floating-point DSPs, firmware must be written in fixed point within the 8 KB SRAM envelope.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP206-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP206-I/MR | DSPIC33CK32MP206-I/MR | DSPIC33CK32MP506-E/MR | DSPIC33CK128MP506-E/MR |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9) MR | 64-QFN (9x9) MR - same | 64-QFN (9x9) MR - same | 64-QFN (9x9) MR - same | 64-QFN (9x9) MR - same |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Program Flash | 64 KB | 64 KB | 32 KB | 32 KB | 128 KB |
| Operating Temperature | -40C to +150C (E grade) | -40C to +125C (I grade) | -40C to +125C (I grade) | -40C to +150C (E grade) | -40C to +150C (E grade) |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Extended +150C operation (vs DSPIC33CK64MP206-I/MR)
- Integrated analog front end (vs DSPIC33CK32MP506-E/MR)
- Balanced 64 KB Flash with Live Update (vs DSPIC33CK128MP506-E/MR)
- Honest trade-off: memory budget (vs DSPIC33CK128MP506-E/MR)
Design Notes
Estimated: the dsPIC33CK core draws on the order of tens of mA at 100 MHz from a 3.0-3.6V rail (exact ICC per the datasheet electrical-specifications tables). Budget a low-ESR 10 uF bulk capacitor plus 0.1 uF ceramic decoupling at each VDD pin pair of the 64-QFN, placed within 2 mm of the pads. All VDD/VSS pairs must be connected - leaving a power pin unconnected is a common failure mode on QFN DSCs and can cause erratic resets under load transients.
The 64-QFN (9x9) has a center exposed thermal pad that must be soldered to a grounded copper pour with an array of thermal vias - it is both the primary heat-removal path for -40C to +150C operation and the main ground return for the analog front end. Keep the three op-amp input traces short and guarded away from high-resolution PWM and CAN FD routing to prevent coupling; use a solid, unsplit ground plane under the analog section.
The 8 KB SRAM fills quickly when running a control loop plus CAN FD stacks plus a logger. Estimate worst-case stack depth with the MPLAB compiler's memory-usage report and leave at least 20% headroom. When using dual-partition Live Update, remember both partitions are carved out of the 64 KB Flash, halving single-image capacity - verify the firmware fits the active partition before committing to live-update architecture. Configure configuration bits (oscillator, watchdog, PPS mapping) via MPLAB Code Configurator to avoid bit-field mistakes.
High-resolution PWM edges are fast enough to cause ringing into gate-driver inputs; place a small series resistor (10-33 ohm, estimate to tune per layout) close to the DSC pin on each PWM output, and route PWM pairs as tightly coupled traces to limit radiated EMI. Keep the op-amp and ADC reference grounds star-connected to the exposed pad rather than daisy-chaining through digital return paths.
Compliance Information
Compliance data not present in the verified web data for this exact ordering code; consult Microchip's product page or environmental datasheet for RoHS/REACH confirmation.
