DSPIC33CK32MP205-E/PT - 100MHz 16-bit DSC 32KB Flash | Microchip
MPN: DSPIC33CK32MP205-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.55 | $2.55 |
| 10 | $2.35 | $23.50 |
| 100 | $2.23 | $223.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.92 | $1,920.00 |
DSPIC33CK32MP205-E/PT Overview
A digital signal controller combines the computational throughput of a DSP with the deterministic control architecture and peripheral set of a microcontroller. Within the power-management hierarchy, DSCs sit between general-purpose MCUs and dedicated DSP ICs, making them the de facto standard for closed-loop control of power conversion and motor drive systems where fast, interrupt-driven control loops execute at hundreds of kilohertz.
Key features of this device include the dsPIC33CK DSC core running at up to 100 MIPS (DC to 100 MHz) from a 3.0V to 3.6V supply, a high-resolution PWM (HRPWM) module with fine edge resolution ideal for switching converters, and CAN Flexible Data-rate (CAN FD) connectivity for automotive and industrial networks. The family also integrates analog peripherals including op-amps and comparators, enabling compact analog front ends for current-sense loops.
Architecturally, the dsPIC33CK uses a Modified Harvard architecture with a 16-bit data path and DSP instruction extensions (MAC, dual operand fetch) that sustain single-cycle multiply-accumulate throughput. Flash program memory includes ECC and supports Live Update via dual-partition Flash, allowing firmware updates while the control loop keeps running. Data SRAM includes Memory Built-In Self-Test (MBIST) supporting functional-safety (FuSa) development per the dsPIC33CK FuSa design package.
Typical applications are digital power supplies (totem-pole PFC, LLC), brushless DC and PMSM motor control (FOC loops at 100 kHz+), automotive auxiliary systems leveraging the AEC-Q100 qualification and CAN FD interface, and high-end sensing such as power monitoring and battery management.
Design consideration: the extended -E temperature grade (up to +150C ambient) imposes derating on Flash endurance and requires careful power budgeting; use the Microchip datasheet derating tables rather than the standard industrial -I curves.
This page synthesizes distributor pricing, drop-in same-footprint alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK32MP205-E/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 DSPIC33CK32MP205-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, Data SRAM, Core, PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP205-E/PT
✅ Drop-In✓ In Stock
$3.92 / Unit
View Datasheet →DSPIC33CK128MP205-E/PT
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$3.61 / Unit
View Datasheet →DSPIC33CK32MC105-E/PT
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →DSPIC33CK32MP205T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.48 / Unit
View Datasheet →DSPIC33CK32MP205-I/PT
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View Datasheet →DSPIC33CK32MP205-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC |
| CPU Speed | 100 MHz (100 MIPS) |
| Program Memory (Flash) | 32 KB (32K x 8) with ECC, 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) |
| Package | 48-TQFP (7x7 mm), PT |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 (Automotive) |
| Communications | CAN FD, UART, SPI, I2C |
| PWM | High-Resolution PWM (HRPWM) |
| Analog Peripherals | Op-Amps, Comparators, ADC |
| Architecture | Modified Harvard, 16-bit, DSP-enhanced |
| Series | dsPIC33CK (Functional Safety / FuSa capable) |
DSPIC33CK32MP205-E/PT 48-tqfp (7x7 mm), pt Pin Configuration Guide
Pin configuration for DSPIC33CK32MP205-E/PT (48-tqfp (7x7 mm), 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 DSPIC33CK32MP205-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK32MP205-E/PT is suitable for 6 applications: Digital Power Supplies (PFC / LLC), Brushless Motor Control (FOC), Automotive Body and Auxiliary Nodes, Battery Management and Power Monitoring, Industrial Sensing and Control, Wireless Power Transfer and Charging.
Digital Power Supplies (PFC / LLC)
The DSPIC33CK32MP205-E/PT fits digital power conversion because its 100 MHz (100 MIPS) dsPIC33CK core sustains voltage and current loops at switching frequencies exceeding 100 kHz, while the high-resolution PWM module provides the fine duty-cycle and phase resolution that LLC and totem-pole PFC stages require for stable light-load behavior. On-chip op-amps amplify current-shunt signals and on-chip comparators implement cycle-by-cycle overcurrent trip without CPU latency, reducing external component count. The device is placed as the single supervisory and control MCU between the feedback divider network and the gate drivers; unlike fixed-frequency analog controllers it adapts compensation digitally. The -E grade (-40C to +150C, AEC-Q100) allows mounting near hot power stages.
Recommended
Brushless Motor Control (FOC)
For BLDC and PMSM drives, the DSPIC33CK32MP205-E/PT executes field-oriented control (FOC) at loop rates of 10-20 kHz with margin, thanks to single-cycle DSP MAC instructions on the 100 MHz core. The high-resolution PWM generates three complementary center-aligned phases with programmable dead time, and the ADC can be synchronized to the PWM for precise mid-shunt current sampling. Integrated op-amps condition low-side shunt currents, and the 32 KB Flash comfortably holds a single-motor FOC stack with startup and protection logic. CAN FD connectivity integrates the drive into automotive or industrial networks. The extended -150C rating permits placement inside sealed motor housings where ambient temperatures climb above 105C.
Recommended
Automotive Body and Auxiliary Nodes
The AEC-Q100 qualification and CAN Flexible Data-rate (CAN FD) interface make the DSPIC33CK32MP205-E/PT a natural fit for automotive auxiliary electronic control units such as pumps, fans, actuators, and lighting modules. The -40C to +150C operating range covers under-hood and on-transmission mounting locations where standard industrial MCUs cannot survive. MBIST on SRAM and ECC on Flash support the functional-safety (FuSa) development flow that automotive Tier-1 suppliers require, and the dual-partition Flash with Live Update enables field firmware updates over CAN FD without bricking the node. The 3.0V to 3.6V supply range matches standard automotive 3.3V regulator rails with load-dump-tolerant front ends.
Recommended
Battery Management and Power Monitoring
In battery management systems (BMS) and power monitoring nodes, the DSPIC33CK32MP205-E/PT combines its ADC with on-chip op-amps to measure cell voltages and shunt currents accurately, while comparators provide independent hardware overcurrent and overvoltage protection that continues operating if firmware faults. DSP capability supports coulomb counting, impedance estimation, and model-based state-of-charge algorithms that fixed-logic solutions cannot run. CAN FD connects the pack controller to the vehicle or inverter network with bandwidth headroom for diagnostic messaging. The extended temperature rating suits battery packs that reach 85C+ internally during fast charge, and the ECC Flash protects calibration data integrity over the product lifetime.
Recommended
Industrial Sensing and Control
For industrial sensor transmitters, smart actuators, and closed-loop process control, the DSPIC33CK32MP205-E/PT offers a balanced combination of analog integration, DSP math throughput, and serial connectivity (UART, SPI, I2C, CAN FD) in a compact 48-TQFP footprint. The 100 MHz core runs filtering and calibration math (IIR/FIR filters, RMS computation, FFT-based analysis) on live sensor data at kilohertz rates, while the integrated op-amps buffer signals without external amplifiers in many designs. MBIST and ECC memory features improve uptime in continuously operating equipment. The -150C ceiling also covers high-temperature process zones such as near motors, heaters, and exhaust sensing points.
Recommended
Wireless Power Transfer and Charging
Wireless power transmitters and high-power Qi-style receivers need precise frequency control of resonant converters plus fast foreign-object and over-temperature protection - both strengths of the DSPIC33CK32MP205-E/PT. The high-resolution PWM tunes the operating frequency of the Class-D or half-bridge inverter in fine steps to track the resonant point and regulate delivered power, while ADC sampling synchronized to the PWM measures coil current and phase for load and misalignment detection. The on-chip comparators trip within microseconds on fault conditions. The 150C temperature grade tolerates the heat concentrated around coil-driving power stages, and dual-partition Flash allows charging-protocol firmware updates in the field.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK32MP205-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP205-E/PT | DSPIC33CK128MP205-E/PT | DSPIC33CK32MC105-E/PT |
|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB (ECC, dual-partition) | 256 KB (ECC, dual-partition) | 128 KB (ECC, dual-partition) | 32 KB (ECC, dual-partition) |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| SRAM | 8 KB | 24 KB | 16 KB | 8 KB |
| Operating Temperature | -40C to +150C (E grade) | -40C to +150C (E grade) | -40C to +150C (E grade) | -40C to +150C (E grade) |
| CAN FD | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualification | Yes (automotive) | Yes (automotive) | Yes (automotive) | Yes (automotive) |
Key Differentiators
- Extended -40C to +150C operation with AEC-Q100 qualification (vs DSPIC33CK32MP205-I/PT)
- Lowest cost entry into the 48-TQFP MP205 motor-control family (vs DSPIC33CK256MP205-E/PT)
- Memory reliability features (ECC Flash, MBIST SRAM, dual-partition Live Update) (vs DSPIC33CK32MC105-E/PT)
Design Notes
Supply the DSPIC33CK32MP205-E/PT from a 3.0V to 3.6V rail with local 0.1 uF decoupling on each VDD pin plus bulk 4.7-10 uF ceramic capacitance. At 100 MHz with heavy PWM switching, core current transients are fast; place the smallest capacitors directly at the TQFP power pins. On automotive rails, front the regulator with transient suppression sized for ISO load-dump conditions (Estimated: a 3.3V/500 mA budget covers typical 100 MHz operation plus I/O loading; verify against the datasheet current-consumption table for your peripheral configuration).
The -E grade permits up to +150C ambient, but this does not mean unlimited power dissipation. Estimated: with a typical 48-TQFP theta_JA near 50-70 C/W on a standard 4-layer board, self-heating of 30-50C at full clock and heavy I/O loading leaves reduced margin at 125-150C ambient. Use a solid ground plane with thermal vias under the exposed center region, and verify junction temperature with your own power budget. Consult the Microchip datasheet thermal section for exact theta_JA - do not design to 150C ambient without this check.
Most digital I/O on the dsPIC33CK family is remappable via Peripheral Pin Select (PPS); do not copy pin assumptions from older dsPIC33F designs. Second, dual-partition Flash Live Update must be configured correctly or firmware updates can strand the device - follow the Microchip programming specification. Third, the E-grade 150C rating carries derated Flash endurance and retention: for designs above 125C, recheck the reliability tables and reduce expected rewrite counts accordingly. Finally, when substituting the MC-series variant, re-verify op-amp and comparator pin mappings.
Compliance Information
AEC-Q100 automotive qualification and -40C to +150C extended temperature grade confirmed by DigiKey and datasheets.com product listings. RoHS/REACH/lead-free status not stated in provided data - verify on the Microchip product page.
