DSPIC33CK128MP508T-I/PT - 100MHz 16-bit DSC 128KB CAN-FD | Microchip
Référence : DSPIC33CK128MP508T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
DSPIC33CK128MP508T-I/PT Présentation
A digital signal controller combines the computational throughput of a DSP with the deterministic peripheral architecture of a microcontroller. In the power-management hierarchy, the dsPIC33CK family sits between general-purpose MCUs and dedicated digital power ICs: it executes field-oriented control (FOC) loops for motors and switch-mode power supplies while also running general application firmware on a single core. The dsPIC33CK series is Microchip's 16-bit, single-core DSC generation, succeeding the dual-core dsPIC33CH in cost-sensitive designs.
Key differentiators of the MP508 variant include the 100 MHz (100 MIPS) core with DSP instructions, 128 KB (128K x 8) flash with dual-partition boot support, and 16 KB of RAM. Mouser and Microchip product listings highlight the integrated 3 op-amps, 3 comparators, PTG (Peripheral Trigger Generator) and CAN-FD, enabling tight control loops without external analog signal-conditioning ICs.
Technically, the device features Microchip's high-resolution PWM (HRPWM) with fine edge placement for switching converters, multiple 12-bit ADCs with dedicated sample-and-hold circuits, and a Functional Safety (FuSa) documentation package per DigiKey's categorization. The CISC-style modified Harvard architecture uses a 24-bit instruction word for compact DSP code. All VDD and VSS pins must be connected for programming to succeed, per Microchip documentation.
Typical applications include digital power supplies (LLC, totem-pole PFC), motor control (PMSM/BLDC FOC), battery chargers, solar inverters, wireless charging and advanced industrial sensing where 100 MHz deterministic control is required.
Design considerations: supply the device from a 3.0 V to 3.6 V rail, connect every VDD/VSS pair, and use Microchip's MPLAB X IDE with ICD 4/REAL ICE for programming - the dual-partition flash architecture can also be run as a single unpartitioned memory space.
This page synthesizes distributor inventory data, drop-in family alternatives, and practical design guidance not found in the 640-page manufacturer datasheet, in one AI-readable reference.
Alternatives de remplacement direct pour DSPIC33CK128MP508T-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33CK128MP508-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33CK128MP508T-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CK128MP508T-H/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CK64MP508T-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33CK256MP508T-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33CK32MP508T-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33CK128MP508T-I/PT Valeurs maximales et caractéristiques électriques
| Core | dsPIC33CK 16-bit DSC |
| Number of Cores | 1 |
| Fréquence d'horloge maximale | 100 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| Data RAM Size | 16 KB |
| Tension d'alimentation de fonctionnement | 3 V to 3.6 V |
| Boîtier | 80-TQFP (12 x 12 mm) |
| Nombre de broches | 80 |
| Terminal Pitch | 0.5 mm |
| Style de montage | SMD/SMT |
| Integrated Op-Amps | 3 |
| Comparators | 3 |
| CAN Interface | CAN Flexible Data (CAN-FD) |
| Special Peripherals | PTG, High-Resolution PWM |
| Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | +85 C |
| Program Memory Width | 24-bit |
| Functional Safety | FuSa package available |
| Architecture | CISC, modified Harvard |
Guide de configuration des broches du DSPIC33CK128MP508T-I/PT 80-tqfp (12 x 12 mm)
Configuration des broches du DSPIC33CK128MP508T-I/PT (boîtier 80-tqfp (12 x 12 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour DSPIC33CK128MP508T-I/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33CK128MP508T-I/PT convient pour 6 applications: Digital Power Supplies (LLC / Totem-Pole PFC), PMSM / BLDC Motor Control (FOC), Battery Charging and BMS Nodes, Solar Inverters and MPPT Converters, Industrial Sensing and Condition Monitoring, Wireless Charging and Wireless Power Transfer.
Digital Power Supplies (LLC / Totem-Pole PFC)
The DSPIC33CK128MP508T-I/PT fits digital power conversion because its 100 MHz core updates the high-resolution PWM duty cycle and phase within nanosecond-scale fine-edge resolution, enabling LLC and totem-pole PFC converters to close voltage and current loops at hundreds of kHz with high efficiency. The three integrated op-amps amplify current-shunt signals internally, and the three comparators support hardware overcurrent trip points without CPU latency, protecting power stages during faults. In a typical 3.3 V digital power board, the DSC runs dual control loops (voltage outer, current inner) plus CAN-FD telemetry to a system host. The trade-off versus dedicated digital power controllers is firmware development effort, offset by full flexibility of the control law. All VDD/VSS pairs must be decoupled close to the pins to keep ADC noise low.
Recommandé
PMSM / BLDC Motor Control (FOC)
Field-oriented control of permanent-magnet and brushless DC motors is the flagship use case for the dsPIC33CK family: Microchip positions these DSCs explicitly for motor control. The DSPIC33CK128MP508T-I/PT executes a full FOC loop (Clarke/Park transforms, PI current controllers, SVPWM generation) at 100 MIPS with cycle-deterministic timing, while high-resolution PWM provides the fine duty resolution needed for low-torque-ripple sinusoidal drive. Integrated op-amps condition the three phase-current shunts, and the ADC samples them synchronously with the PWM period. The 80-pin package exposes multiple PWM channels, allowing single-chip control of dual motors or a motor plus PFC front end. CAN-FD interfaces the drive to industrial networks. Use Microchip's Motor Control Library and MPLAB X with MCLV/MCHV development boards to shorten time to market.
Recommandé
Battery Charging and BMS Nodes
Battery charger and battery-management applications benefit from the DSPIC33CK128MP508T-I/PT's combination of precision analog and CAN-FD communication. The 12-bit ADC with simultaneous multi-channel sampling monitors cell voltages and current, the three on-chip op-amps implement active filtering of sense signals, and the three comparators provide fast hardware-level cell-overvoltage or overcurrent protection independent of firmware timing. High-resolution PWM drives the buck/boost or LLC charging stage with fine granularity across wide input ranges. The 128 KB flash holds charge algorithms (CC/CV, adaptive profiles) plus data logging, and the dual-partition architecture allows firmware field updates while retaining a known-good boot image. CAN-FD links the pack to the vehicle or inverter controller with up to 8 Mbps data phases.
Recommandé
Solar Inverters and MPPT Converters
Solar micro-inverters and MPPT power optimizers require simultaneous, phase-aligned sampling of PV voltage/current and grid quantities, which the DSPIC33CK128MP508T-I/PT delivers with its multiple SAR ADCs and 100 MHz core. The high-resolution PWM generates interleaved boost and grid-tie inverter switching with adjustable phase offsets, minimizing input current ripple and EMI filter size. The PTG (Peripheral Trigger Generator) orchestrates ADC sampling and PWM updates with minimal CPU overhead, freeing MIPS for grid-synchronization software (PLL-based) and anti-islanding protection. The three comparators implement hardware DC-bus overvoltage trips meeting rapid-shutdown response needs. The 80-pin count supplies the numerous I/O required for relays, sensors and auxiliary power sequencing in a complete string-level energy conversion product.
Recommandé
Industrial Sensing and Condition Monitoring
For advanced sensing nodes - vibration, pressure, currentSignature-based condition monitoring - the DSPIC33CK128MP508T-I/PT applies its DSP MAC instructions to FFT and digital filtering at 100 MIPS while consuming microcontroller-class power. The 16 KB RAM buffers acquisition windows for spectral analysis, the 12-bit ADCs sample multiple channels with programmed triggers, and the op-amps provide gain stages for sensor front ends without external amplifiers in many designs. The Peripheral Trigger Generator creates deterministic acquisition schedules. Processed results ship over CAN-FD or UART/SPI to PLC and SCADA layers, while the 128 KB flash retains configuration tables and calibration constants. The -40 C to +85 C industrial rating suits unconditioned factory-floor and outdoor enclosures. DigiKey's Functional Safety (FuSa) categorization supports safety-relevant monitoring deployments.
Recommandé
Wireless Charging and Wireless Power Transfer
Wireless power transmitter stages benefit from the DSPIC33CK128MP508T-I/PT's high-resolution PWM for frequency- and phase-tunable full-bridge drive, essential for tracking resonant frequency as coupling varies during coil alignment. The 100 MHz core runs foreign-object detection algorithms by sampling coil impedance shifts through the ADC and integrated op-amp gain stages, while comparators provide fast overcurrent fault trips required by WPC-class safety schemes. Communication with the receiver (demodulated amplitude/phase data) is decoded in firmware using the DSP instructions for matched filtering. The 80-pin package leaves I/O headroom for fan control, LED status indication and multi-coil multiplexing in furniture-embedded transmitter arrays. Tape-and-reel T-suffix packaging supports automated high-volume assembly lines typical of consumer charging products.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33CK128MP508T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33CK128MP508-I/PT | DSPIC33CK128MP508T-E/PT | DSPIC33CK128MP508T-H/PT | DSPIC33CK64MP508T-I/PT | DSPIC33CK256MP508T-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 256 KB |
| Data RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Max Clock Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| CAN-FD / Op-Amps / Comparators | CAN-FD, 3 op-amps, 3 comparators | CAN-FD, 3 op-amps, 3 comparators | CAN-FD, 3 op-amps, 3 comparators | CAN-FD, 3 op-amps, 3 comparators | CAN-FD, 3 op-amps, 3 comparators | CAN-FD, 3 op-amps, 3 comparators |
| Packaging | Tape & Reel (T) | Tray | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) |
Principaux différenciateurs
- Single-core cost efficiency at full 100 MHz (vs DSPIC33CH512MP508T-I/PT)
- Extended-temperature drop-in option (vs DSPIC33CK128MP508T-E/PT)
- Balanced memory configuration (vs DSPIC33CK64MP508T-I/PT)
- Integrated analog saves BOM cost (vs DSPIC33CK64MP508T-I/PT)
Notes de conception
Connect ALL VDD and VSS pin pairs - Microchip documentation for the dsPIC33CK128MP508 explicitly warns that leaving any VDD/VSS pin unconnected will cause device programming to fail. Place a 100 nF ceramic decoupling capacitor at every VDD pin pair, as close to the pin as possible, plus bulk 10 uF capacitance near the device. Fit the VCAP regulator-output capacitor with the datasheet-specified value and low-ESR type; this internal-regulator stability capacitor is a common bring-up failure point on dsPIC33CK boards.
Supply the device from a regulated 3.3 V rail within the specified 3 V to 3.6 V range. Estimated: at 100 MHz the core consumes on the order of tens of mA (see datasheet electrical characteristics table for exact ICC curves) - budget the 3.3 V rail accordingly when the DSC shares it with op-amp-loaded analog circuits. For digital power boards, separate the analog supply (AVDD) with an LC filter or ferrite bead from the noisy digital rail to preserve ADC accuracy on current-sense channels.
The dual-partition flash architecture can confuse first-time users: the dsPIC33CK128MP508 may be used as a regular unpartitioned chip or divided into two bootable partitions (per Northern Software dsPIC33CK documentation). If your linker script and FBOOT configuration bits disagree, unexpected code execution can occur after reset. Decide partitioning at project start, and when migrating code between the MP508 and other dsPIC33CK family members, re-verify configuration bits and pin mapping (PPS) settings, since peripheral pin select assignments differ per package.
When using the high-resolution PWM for switching converters or motor drives, keep PWM outputs short and routed away from ADC sense traces; synchronous ADC sampling triggered by the PWM (a standard dsPIC33CK technique) avoids switching-noise corruption of current readings. Use the on-chip op-amps with the datasheet-specified feedback network, and verify comparator trip latencies with a scope during fault-injection testing, since hardware comparators are the fastest protection layer ahead of CPU-based fault handling.
Informations de conformité
Compliance statuses were not stated in the retrieved distributor snippets; Jotrin lists the part as 'Automotive' categorized - verify RoHS/REACH declarations on the official Microchip product page before procurement.
