DSPIC33CK128MP202T-I/2N - 100MHz DSC, 128KB Flash | Microchip
MPN: DSPIC33CK128MP202T-I/2N ✓ نشطDSPIC33CK128MP202T-I/2N نظرة عامة
A digital signal controller combines the computational throughput of a microcontroller with the multiply-accumulate (DSP) capability of a digital signal processor. In the power-management hierarchy, a DSC such as this one sits at the apex of embedded control ICs, merging CPU, memory, analog peripherals, and high-resolution PWM into a single chip for closed-loop control of power conversion and motion systems.
Key features include operation up to 100 MIPS from the dsPIC33C DSC core, integrated operational amplifiers that reduce external component count in current-sense paths, and 12-bit ADCs capable of sampling at up to 3.5 Msps for fast feedback loops. The high-resolution PWM (HRPWM) peripheral provides sub-nanosecond edge resolution, essential for peak-efficiency switching converters. A CAN Flexible Data (CAN FD) controller enables robust automotive and industrial communication.
The modified Harvard architecture with dual-panel (live-update) flash supports field firmware updates without interrupting control loops, while ECC on program flash protects against single-bit errors in noisy power-electronics environments. DSP instructions such as MAC and DSP modulo addressing accelerate filter and transform computation for sensor processing.
Typical applications include digital power supplies (LLC, totem-pole PFC), brushless DC and PMSM motor drives with field-oriented control, and industrial or automotive sensing nodes requiring CAN FD connectivity. The integrated op amps and ADC directly digitize shunt-current measurements, shortening the control-loop latency that determines converter transient response.
Designers should power the device from a 3.0V to 3.6V supply and budget the VCAP/VDDCORE pin capacitor per the manufacturer datasheet; core-voltage regulation is internal, so external core supplies are not required.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with verified data as of 2026-09-22.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33CK128MP202T-I/2N (نفس عامل الشكل والبصمة) — يختلف في Core, Package, Operating Temperature, Architecture, Data SRAM.
DSPIC33CK256MP202T-I/2N
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK64MP202T-I/2N
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33CK32MP202T-I/2N
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK128MP203T-I/2N
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK128MP202T-I/2N الحدود القصوى والخصائص الكهربائية
| Core | 16-bit dsPIC33C DSC core |
| أقصى تردد للساعة | 100 MHz (100 MIPS) |
| Program Flash Memory | 128 KB, dual-partition with ECC and Live Update |
| Data SRAM | 16 KB (with MBIST) |
| ADC Resolution | 12-bit |
| Integrated Op Amps | Yes (on-chip operational amplifiers) |
| PWM | High-Resolution PWM (HRPWM) |
| Communication Interfaces | CAN FD, UART, SPI, I2C |
| جهد التغذية | 3.0 V to 3.6 V |
| درجة حرارة التشغيل | -40C to +125C (I grade) |
| Architecture | Modified Harvard, single-core, DSP-enhanced |
| العلبة | 28-UQFN (6x6 mm) |
| نوع التركيب | Surface Mount |
| Pitch | 0.65 mm |
| Packaging | Tape & Reel (T suffix) |
| Technology | CMOS |
تكوين أطراف DSPIC33CK128MP202T-I/2N
| دبوس 1 | MCLR — Master clear reset input (external reset) |
| دبوس 2 | RA0/AN0/VREF+ — Port A I/O, analog input 0, ADC positive reference |
| دبوس 3 | RA1/AN1/VREF- — Port A I/O, analog input 1, ADC negative reference |
| دبوس 4 | RB0/AN2 — Port B I/O, analog input 2 |
| دبوس 5 | RB1/AN3 — Port B I/O, analog input 3 |
| دبوس 6 | VSS — Ground reference |
| دبوس 7 | VDD — Positive supply (3.0 V to 3.6 V) |
| دبوس 8 | RB4/SOSCI/AN4 — Port B I/O, secondary oscillator input, analog input 4 |
| دبوس 9 | RB5/SOSCO/AN5 — Port B I/O, secondary oscillator output, analog input 5 |
| دبوس 10 | RB6/PGED3/AN6 — Port B I/O, debug data channel 3, analog input 6 |
| دبوس 11 | RB7/PGEC3/AN7 — Port B I/O, debug clock channel 3, analog input 7 |
| دبوس 12 | RB8/AN8 — Port B I/O, analog input 8 |
| دبوس 13 | RB9/AN9 — Port B I/O, analog input 9 |
| دبوس 14 | RB10/AN10 — Port B I/O, analog input 10 |
| دبوس 15 | RB11/AN11 — Port B I/O, analog input 11 |
| دبوس 16 | OSC1/CLKI — Primary oscillator input / external clock input |
| دبوس 17 | OSC2/CLKO — Primary oscillator output / clock output |
| دبوس 18 | VCAP/VDDCORE — Internal core regulator capacitor connection |
| دبوس 19 | VSS — Ground reference |
| دبوس 20 | VDD — Positive supply (3.0 V to 3.6 V) |
| دبوس 21 | RB12/AN12 — Port B I/O, analog input 12 |
| دبوس 22 | RB13/AN13 — Port B I/O, analog input 13 |
| دبوس 23 | RB14/AN14 — Port B I/O, analog input 14 |
| دبوس 24 | RB15/AN15 — Port B I/O, analog input 15 |
| دبوس 25 | RA2/PGED2 — Port A I/O, debug data channel 2 |
| دبوس 26 | RA3/PGEC2 — Port A I/O, debug clock channel 2 |
| دبوس 27 | PGD1 — In-circuit debug / programming data channel 1 |
| دبوس 28 | PGC1 — In-circuit debug / programming clock channel 1 |
التطبيقات النموذجية
DSPIC33CK128MP202T-I/2N مناسب لـ 6 التطبيقs: Digital Power Supplies, Brushless Motor Control (FOC), Industrial Sensing and Control Nodes, Automotive and CAN FD Networking, LED Lighting and Electronic Ballasts, Advanced Sensing and Signal Processing.
Digital Power Supplies
The DSPIC33CK128MP202T-I/2N fits digital power conversion because its 100 MHz (100 MIPS) core closes voltage- and current-mode loops with the latency budgets demanded by LLC, totem-pole PFC, and phase-shifted full-bridge topologies. The high-resolution PWM peripheral delivers fine pulse-edge resolution, enabling duty-cycle adjustments fine enough to regulate tight output tolerances at switching frequencies of several hundred kHz. On-chip 12-bit ADCs digitize output voltage and shunt-current feedback at high sample rates, while the integrated op amps condition sensors without external amplifiers, shortening the feedback path. Dual-partition flash with live update lets firmware be re-flashed while the converter keeps running - valuable during production-line tuning. Power the DSC from a regulated 3.3V rail and place the VCAP capacitor close to the pin per the manufacturer datasheet.
موصى به
Brushless Motor Control (FOC)
For BLDC and PMSM drives, the DSPIC33CK128MP202T-I/2N executes field-oriented control on its 16-bit DSP-enhanced core: MAC instructions and DSP modulo addressing accelerate the Clarke/Park transforms and PI loops, while the high-resolution PWM generates precisely timed complementary gate signals with dead-time control. The 12-bit ADC and on-chip op amps form a compact current-sensing front end - two shunt channels can be amplified and sampled by the same die, minimizing phase-current measurement error and skew. The 128 KB flash holds FOC firmware, a bootloader, and fault tables with room to spare, and ECC protects code integrity against the electrically noisy motor-drive environment. CAN FD enables torque-command networking in automotive and industrial drive systems. Complementary Microchip gate drivers and MCP-class parts complete the drive reference design.
موصى به
Industrial Sensing and Control Nodes
The DSPIC33CK128MP202T-I/2N serves as the local intelligence in industrial automation nodes that sample sensors, run filtering math, and communicate over fieldbus. Its 15-channel-capable 12-bit ADC inputs (AN0-AN15) multiplex analog sensors, the on-chip op amps buffer low-level signals, and DSP instructions implement IIR/FIR filtering without floating-point hardware. The -40C to +125C industrial temperature rating suits cabinets, drives, and outdoor enclosures, while MBIST on the 16 KB SRAM provides memory self-test hooks for functional-safety-minded designs. CAN FD links the node to PLCs and gateways at data rates beyond classical CAN, and the 128 KB dual-partition flash supports field firmware updates over the bus without a service visit. UQFN-28 footprint keeps node PCB area compact for dense I/O modules.
موصى به
Automotive and CAN FD Networking
With its integrated CAN Flexible Data (CAN FD) controller, the DSPIC33CK128MP202T-I/2N is suited to automotive-adjacent and industrial-vehicle subsystems that must exchange larger payloads or faster periodic messages than classical CAN allows. The DSC samples analog inputs (battery voltage, temperature, current) through its 12-bit ADC, pre-processes them with DSP instructions, and transmits structured frames on the FD bus, where the data-phase bitrate shortens cycle times. The 128 KB flash with ECC addresses bit-error robustness expectations in harsh electrical environments, and the industrial -40C to +125C grade matches under-hood-adjacent module requirements. Designers should pair the CAN FD TX/RX pins with a qualified CAN transceiver and follow Microchip's CAN FD reference designs for bit-timing configuration and bus termination.
موصى به
LED Lighting and Electronic Ballasts
Digitally controlled LED drivers benefit from the DSPIC33CK128MP202T-I/2N's high-resolution PWM: fine edge resolution enables smooth dimming (deep PWM dimming without visible flicker) and accurate constant-current regulation in buck, boost, or flyback LED stages. The 100 MIPS core implements average-current-mode control loops and protection state machines (open-LED, short-circuit, over-temperature via the ADC inputs), while the on-chip op amps read current-sense shunts directly, reducing external BOM count in cost-sensitive luminaire designs. The 3.0V to 3.6V single-supply operation simplifies biasing from an auxiliary winding, and the compact 28-pin UQFN (6x6 mm) fits small driver PCBs inside light fixtures. The 128 KB flash leaves room for multi-standard dimming curves, DALI-style command handling, and a field-update bootloader.
موصى به
Advanced Sensing and Signal Processing
The DSPIC33CK128MP202T-I/2N is a strong fit for sensor-processing endpoints that must digitize, filter, and classify signals locally. Its 12-bit ADC samples multiplexed channels from analog front ends, and the integrated op amps amplify small sensor outputs - for example bridge or shunt signals - before conversion, keeping the analog chain on one die. DSP instructions (MAC, modulo addressing) execute FIR/IIR filters and FFTs efficiently at up to 100 MIPS, enabling vibration analysis, power-quality metering, or acoustic processing without an external DSP. The 128 KB flash stores calibration tables and feature-extraction code, and live-update dual-partition flash permits algorithm upgrades in the field. MBIST provides SRAM self-test useful in monitoring systems with self-diagnostic requirements, and the industrial temperature range supports harsh-environment deployments.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33CK128MP202T-I/2N — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33CK256MP202T-I/2N | DSPIC33CK64MP202T-I/2N | DSPIC33CK32MP202T-I/2N | DSPIC33CK128MP203T-I/2N |
|---|---|---|---|---|---|
| Package | 28-UQFN (6x6 mm) | 28-UQFN (6x6 mm) - same | 28-UQFN (6x6 mm) - same | 28-UQFN (6x6 mm) - same | 28-UQFN (6x6 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 (100 MIPS) |
| Program Flash | 128 KB | 256 KB | 64 KB | 32 KB | 128 KB |
| Data SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Integrated Op Amps | Yes | Yes (same count) | Yes (same count) | Yes (same count) | Yes (one additional channel) |
| Operating Temperature | -40C to +125C (I grade) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
أبرز الفروقات
- Largest commonly stocked flash in the 28-pin UQFN MP202 family (مقابلDSPIC33CK64MP202T-I/2N)
- Upgrade path without PCB change (مقابلDSPIC33CK256MP202T-I/2N)
- Extra analog integration option (مقابلDSPIC33CK128MP203T-I/2N)
ملاحظات التصميم
Power the DSPIC33CK128MP202T-I/2N from a clean 3.0V to 3.6V rail; decouple each VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus a bulk 10 uF per supply domain. The core regulator is internal - fit the datasheet-specified low-ESR capacitor on the VCAP/VDDCORE pin (pin 18) as close to the pin as possible; an incorrect or missing VCAP capacitor is the most common cause of brown-out resets and erratic oscillator behavior on dsPIC33C designs.
The 28-UQFN (6x6 mm) has a 0.65 mm pitch and a center thermal pad - connect it to a grounded via array (4x4 minimum) to sink heat and reduce ground bounce between the analog (ADC/op amp) and digital domains. Route PWM outputs away from AN0-AN15 traces to prevent switching noise coupling into ADC readings, and keep the crystal loop (OSC1/OSC2) short with local guard ground when using the primary oscillator in electrically noisy converter environments.
Do not drive MCLR below its specified VIH during normal operation - a floating or under-driven reset causes sporadic resets in motor-drive environments; use the internal pull-up plus a 10 k external resistor. When migrating between flash-size variants (e.g., 128 KB to 64 KB), recheck linker memory maps and live-update partition sizes. Programming pins PGD1/PGC1 must remain isolated from motor or power stages; series resistors protect against back-driving during in-circuit debug.
معلومات الامتثال
Compliance data was not present in the provided verified web data; confirm RoHS/REACH status on the Microchip product page or distributor compliance documents before specification.