DSPIC33CH128MP208-I/PT - Dual-Core DSC 180MHz, 152KB Flash | Microchip
MPN: DSPIC33CH128MP208-I/PT ✓ AktifDSPIC33CH128MP208-I/PT Ringkasan
What is a Digital Signal Controller? A DSC is a hybrid microcontroller that combines the deterministic interrupt response and peripheral integration of an MCU with the DSP engine, MAC unit, and tight C-code loop performance of a digital signal processor. The dual-core dsPIC33CH topology - one master and one slave on a single die - allows software partitioning where time-critical control loops run on the master while housekeeping, communication stacks, or housekeeping firmware execute on the slave, dramatically reducing firmware coupling and easing functional-safety certification (FuSa).
Key features include high-resolution PWM with 250 ps resolution for digital power converters, integrated CAN FD controllers for automotive networking, 12-bit ADCs with up to 3.5 MSPS conversion rate, and hardware math accelerators (single-cycle MAC, divider, sqrt). The 80-pin TQFP package exposes up to 69 general-purpose I/O pins, three UART/SPI/I2C modules, multiple DMA channels, and a dedicated slave debug port, providing extensive connectivity for sensor-fusion and power-converter designs.
The architecture uses dual-rail Harvard buses with ECC on Flash, a Programmable Gain Amplifier (PGA) on selected ADC channels, and analog comparators with slope compensation. Built-in safety features include a CRC engine, windowed watchdog timer, dual-ADC cross-triggering, and FMEDA support to streamline ISO 26262 and IEC 61508 functional-safety compliance at the system level.
Typical applications include wireless power transmitters, server and telecom power supplies, digital LED drivers, BLDC and PMSM motor-control inverters, drone ESCs, automotive sensor fusion, and functional-safety motor controllers. The wide 3.0 V to 3.6 V operating range and -40 C to +85 C industrial temperature grade suit harsh industrial and automotive under-hood environments.
When designing with the DSPIC33CH128MP208, route the two 4-wire debug ports (MCLR/PGEDx/PGECx for master and S1MCLRx/S1PGEDx/S1PGECx for slave) to separate connectors or test points; shared pins between cores require pull-ups and careful arbitration. Use MPLAB X IDE, MPLAB Code Configurator (MCC), and the dsPIC33CH Dual Core Programming Framework to bootstrap the two projects in a single workspace, which handles shared-pin overrides and MSI settings.
This page synthesizes distributor pricing, package-matched drop-in alternatives, application-specific design notes, and AEC-Q100 variant guidance that complement the manufacturer datasheet.
Alternatif penggantian untuk DSPIC33CH128MP208-I/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian DSPIC33CH128MP208-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, Core Architecture, ADC, Program Memory (Flash), Operating Temperature.
DSPIC33CH128MP208T-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33CH256MP208-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33CH128MP208-E/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33CH64MP208-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
DSPIC33CK256MP508-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →DSPIC33CH128MP208-I/PT Rating Maksimal & Karakteristik Listrik
| Product Family | dsPIC33CH dual-core DSC |
| Core Architecture | 16-bit dsPIC DSC, master + slave dual-core |
| Master Core Frequency | 200 MHz max |
| Slave Core Frequency | 180 MHz max |
| Program Memory (Flash) | 152 KB |
| PRAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Suhu Kerja | -40 C to +85 C (Industrial) |
| Paket | 80-pin TQFP (12x12 mm, 0.5 mm pitch) |
| ADC | 12-bit, up to 3.5 MSPS |
| PWM Resolution | High-resolution PWM, 250 ps edge placement |
| Communication | CAN FD, SPI, I2C, UART |
| Functional Safety | FuSa features (CRC, WDT, dual ADC, FMEDA support) |
| Tipe Mounting | Surface Mount |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Konfigurasi Pin DSPIC33CH128MP208-I/PT
| Pin produk 1 | OSCI — Master oscillator input |
| Pin produk 2 | OSCO — Master oscillator output |
| Pin produk 3 | S1OSCI — Slave oscillator input |
| Pin produk 4 | S1OSCO — Slave oscillator output |
| Pin produk 5 | VDD — Digital supply |
| Pin produk 6 | VSS — Digital ground |
| Pin produk 7 | MCLR — Master reset (active low) |
| Pin produk 8 | PGED1 — Master ICSP data |
| Pin produk 9 | PGEC1 — Master ICSP clock |
| Pin produk 10 | S1MCLR — Slave reset (active low) |
| Pin produk 11 | S1PGED1 — Slave ICSP data |
| Pin produk 12 | S1PGEC1 — Slave ICSP clock |
| Pin produk 13 | VDD — Digital supply |
| Pin produk 14 | VSS — Digital ground |
| Pin produk 15 | PWM1H — PWM1 high-side output |
| Pin produk 16 | PWM1L — PWM1 low-side output |
| Pin produk 17 | PWM2H — PWM2 high-side output |
| Pin produk 18 | PWM2L — PWM2 low-side output |
| Pin produk 19 | PWM3H — PWM3 high-side output |
| Pin produk 20 | PWM3L — PWM3 low-side output |
| Pin produk 21 | PWM4H — PWM4 high-side output |
| Pin produk 22 | PWM4L — PWM4 low-side output |
| Pin produk 23 | VDD — Digital supply |
| Pin produk 24 | VSS — Digital ground |
| Pin produk 25 | AN0 — ADC input 0 |
| Pin produk 26 | AN1 — ADC input 1 |
| Pin produk 27 | AN2 — ADC input 2 |
| Pin produk 28 | AN3 — ADC input 3 |
| Pin produk 29 | AN4 — ADC input 4 |
| Pin produk 30 | AN5 — ADC input 5 |
| Pin produk 31 | AN6 — ADC input 6 |
| Pin produk 32 | AN7 — ADC input 7 |
| Pin produk 33 | AVDD — Analog supply |
| Pin produk 34 | AVSS — Analog ground |
| Pin produk 35 | VREF+ — ADC voltage reference positive |
| Pin produk 36 | VREF- — ADC voltage reference negative |
| Pin produk 37 | AN8 — ADC input 8 |
| Pin produk 38 | AN9 — ADC input 9 |
| Pin produk 39 | AN10 — ADC input 10 |
| Pin produk 40 | AN11 — ADC input 11 |
| Pin produk 41 | AN12 — ADC input 12 |
| Pin produk 42 | AN13 — ADC input 13 |
| Pin produk 43 | AN14 — ADC input 14 |
| Pin produk 44 | AN15 — ADC input 15 |
| Pin produk 45 | VDD — Digital supply |
| Pin produk 46 | VSS — Digital ground |
| Pin produk 47 | C1RX — CAN FD 1 receive |
| Pin produk 48 | C1TX — CAN FD 1 transmit |
| Pin produk 49 | U1RX — UART 1 receive |
| Pin produk 50 | U1TX — UART 1 transmit |
| Pin produk 51 | U1CTS — UART 1 clear-to-send |
| Pin produk 52 | U1RTS — UART 1 request-to-send |
| Pin produk 53 | SCK1 — SPI 1 clock |
| Pin produk 54 | SDI1 — SPI 1 data in |
| Pin produk 55 | SDO1 — SPI 1 data out |
| Pin produk 56 | SS1 — SPI 1 slave select |
| Pin produk 57 | SDA1 — I2C 1 data |
| Pin produk 58 | SCL1 — I2C 1 clock |
| Pin produk 59 | OC1 — Output compare 1 |
| Pin produk 60 | OC2 — Output compare 2 |
| Pin produk 61 | OC3 — Output compare 3 |
| Pin produk 62 | OC4 — Output compare 4 |
| Pin produk 63 | INT0 — External interrupt 0 |
| Pin produk 64 | INT1 — External interrupt 1 |
| Pin produk 65 | INT2 — External interrupt 2 |
| Pin produk 66 | T1CK — Timer 1 clock input |
| Pin produk 67 | T2CK — Timer 2 clock input |
| Pin produk 68 | T3CK — Timer 3 clock input |
| Pin produk 69 | RB0 — GPIO port B bit 0 |
| Pin produk 70 | RB1 — GPIO port B bit 1 |
| Pin produk 71 | RB2 — GPIO port B bit 2 |
| Pin produk 72 | RB3 — GPIO port B bit 3 |
| Pin produk 73 | RB4 — GPIO port B bit 4 |
| Pin produk 74 | RB5 — GPIO port B bit 5 |
| Pin produk 75 | RB6 — GPIO port B bit 6 |
| Pin produk 76 | RB7 — GPIO port B bit 7 |
| Pin produk 77 | RC0 — GPIO port C bit 0 |
| Pin produk 78 | RC1 — GPIO port C bit 1 |
| Pin produk 79 | RC2 — GPIO port C bit 2 |
| Pin produk 80 | RC3 — GPIO port C bit 3 |
Aplikasi Umum
DSPIC33CH128MP208-I/PT cocok untuk 6 aplikasis: Server and Telecom Power Supplies, BLDC and PMSM Motor Control, Wireless Power Transmitters, Drone and UAV Electronic Speed Controllers, Automotive Sensor Fusion, Digital LED Lighting Drivers.
Server and Telecom Power Supplies
The DSPIC33CH128MP208-I/PT is engineered for high-density server and telecom DC-DC and AC-DC power supplies where firmware partitioning, high-resolution PWM, and functional safety drive topology selection. The 200 MHz master core closes the peak current-mode loop at sub-microsecond intervals while the 180 MHz slave core handles PMBus telemetry, housekeeping, and AC line monitoring. The 250 ps edge resolution on the high-resolution PWM enables digital totem-pole PFC and LLC topologies that operate at multi-MHz switching frequencies, achieving > 96 % efficiency at half load. The integrated 12-bit 3.5 MSPS ADC with PGA samples input voltage and inductor current with sub-percent accuracy, while the CAN FD peripheral enables telemetry sharing across paralleled modules. According to Microchip, the dedicated slave core simplifies firmware certification under IEC 61508 because the master runs only the control loop and the slave runs non-safety-critical housekeeping.
Direkomendasikan
BLDC and PMSM Motor Control
The DSPIC33CH128MP208-I/PT provides dedicated hardware that makes it well suited to BLDC, PMSM, and stepper motor-control inverters up to several kilowatts. The high-resolution PWM with 250 ps edge placement produces clean 50-200 kHz switching waveforms that minimize torque ripple and audible noise in FOC algorithms. The 12-bit 3.5 MSPS ADC samples phase currents with sub-microsecond latency, while the on-chip analog comparators with slope compensation implement cycle-by-cycle current protection without external hardware. The dual-core design lets the master run the FOC / sensorless observer loop at 200 MHz while the slave handles CAN FD communication stacks, UART diagnostic protocols, and housekeeping without disturbing the deterministic control loop. The functional-safety features (windowed WDT, CRC, dual-ADC cross-triggering) support ISO 13849 / IEC 61508 safety-rated industrial drives at PL d / SIL 2.
Direkomendasikan
Wireless Power Transmitters
The DSPIC33CH128MP208-I/PT is a strong fit for wireless power transmitters in Qi, AirFuel, and proprietary inductive / resonant charging designs, where the master core runs the high-frequency resonant tank control loop and the slave core manages the Qi state machine and foreign-object detection. The 200 MHz DSP engine delivers the math throughput required for adaptive resonant frequency tracking and digital ping demodulation without offloading to external hardware. The 250 ps PWM resolution supports half-bridge and full-bridge coil drivers switching at 100-200 kHz with very low phase jitter, which directly improves coupling efficiency and reduces conducted EMI. The on-chip PGA amplifies small sense-coil signals to detect foreign objects without external op-amps. Power-class designs (15 W to 50 W Qi Extended Power Profile) can benefit from the slave-core isolation between Qi communication stacks and the resonant tank control loop.
Direkomendasikan
Drone and UAV Electronic Speed Controllers
The DSPIC33CH128MP208-I/PT suits multirotor drone and UAV electronic speed controllers (ESCs) where weight, power density, and dynamic response are paramount. At 200 MHz, the master can sample phase currents at up to 50 kHz and run advanced observer-based sensorless FOC algorithms that improve torque density at high RPM. The slave core handles telemetry over UART/SPI to the flight controller, freeing the master from protocol overhead so the FOC loop latency stays below 5 us. The high-resolution PWM produces clean 24-48 kHz switching waveforms that fall above most audible bands and avoid motor magnetostriction whine. The 80-pin TQFP package is small enough for 4-in-1 ESC boards but provides enough GPIO for current/voltage sensing on each phase, plus CAN FD for advanced drone buses. Industrial temperature grade supports outdoor UAV operation in direct sun.
Direkomendasikan
Automotive Sensor Fusion
The DSPIC33CH128MP208-I/PT is suitable for automotive sensor-fusion ECUs combining radar, IMU, and wheel-speed sensors in chassis and ADAS applications. The master core runs the Kalman filter / sensor-fusion algorithm at deterministic 200 MHz while the slave core handles CAN FD stack parsing and diagnostics (UDS / OBD-II) without compromising the fusion loop. The high-resolution PWM can drive chassis actuators like electric power steering (EPS) torque overlay or active suspension valves with microsecond-accurate duty cycles. The functional-safety features (windowed WDT, CRC, dual-ADC cross-triggering, FMEDA support) streamline ISO 26262 ASIL-B qualification for sensor-fusion ECUs. While the -I/PT variant is industrial temperature, the -E/PT variant (-40 C to +125 C) extends the same hardware to under-hood and chassis-mounted modules.
Direkomendasikan
Digital LED Lighting Drivers
The DSPIC33CH128MP208-I/PT works well in high-end digital LED drivers for stage lighting, architectural dimming, horticultural lighting, and cinema projection where current regulation accuracy, dimming depth, and DMX/RDM networking are required. The 12-bit 3.5 MSPS ADC samples LED string current with 0.1 % accuracy, enabling closed-loop constant-current control at up to 4 A per string. The high-resolution PWM provides 16-bit effective dimming resolution at 1 kHz refresh, supporting smooth theatrical fades with no visible stepping. The slave core handles DMX512 / RDM / DALI-2 protocol stacks while the master maintains deterministic current regulation at sub-100 us latency. The 250 ps PWM edge resolution reduces EMI in tightly-packaged architectural fixtures where CISPR 15 compliance is required.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk DSPIC33CH128MP208-I/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | DSPIC33CH128MP208T-I/PT | DSPIC33CH256MP208-I/PT | DSPIC33CH128MP208-E/PT | DSPIC33CH64MP208-I/PT | DSPIC33CK256MP508-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (PT) | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same |
| Core Architecture | Dual-core 200/180 MHz | Dual-core 200/180 MHz | Dual-core 200/180 MHz | Dual-core 200/180 MHz | Dual-core 200/180 MHz | Single-core 100 MHz |
| Flash Memory | 152 KB | 152 KB | 256 KB | 152 KB | 64 KB | 256 KB |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended/Automotive) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| PWM Resolution | High-resolution, 250 ps | High-resolution, 250 ps | High-resolution, 250 ps | High-resolution, 250 ps | High-resolution, 250 ps | High-resolution, 250 ps |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
| Functional Safety (FuSa) | Yes (CRC, WDT, FMEDA) | Yes | Yes | Yes | Yes | Limited (CK family) |
Diferensiator Kunci
- True dual-core 200/180 MHz architecture on a single die (vsDSPIC33CK256MP508-I/PT)
- 256 KB Flash option in same 80-pin TQFP package (vsDSPIC33CH256MP208-I/PT)
- Industrial -40 C to +85 C plus extended -40 C to +125 C option (vsDSPIC33CH128MP208-E/PT)
Catatan Desain
Provide a low-noise 3.3 V rail to all VDD pins (5, 13, 23, 33, 45). Place 100 nF X7R ceramic decoupling within 3 mm of each VDD pin and add a single 4.7 uF bulk capacitor per rail. AVDD and VREF+ should be sourced through a ferrite bead from VDD and bypassed with 100 nF + 10 uF; VREF- ties to AVSS. Estimated: at 200 MHz master + 180 MHz slave with all peripherals active, total core current is approximately 60-80 mA; plan the LDO for at least 150 mA headroom.
Route the two separate debug ports (PGED1/PGEC1/MCLR for the master and S1PGED1/S1PGEC1/S1MCLR for the slave) to dedicated header pads or test points; do not share these signals between cores. Place the 80-pin TQFP on a top layer with a continuous ground pour underneath and route the analog AN0-AN15 traces as short and direct as possible with ground shielding. The high-resolution PWM traces (PWM1H/PWM1L through PWM4H/PWM4L) should be length-matched within 1 mm to avoid duty-cycle skew.
Do not assume pin RB1 is exclusively available to either core - by default RB1 is the CLKO output for the slave but is also the CLKO option for the master; in MPLAB Code Configurator the slave project setting overrides the master. Estimated firmware consideration: the master and slave share access to certain peripherals (MSI), and the slave's PRAM region (16 KB) must be partitioned carefully to avoid runtime conflicts. Always re-validate the dual-core configuration after any PLL or oscillator change.
At 200 MHz master + 180 MHz slave core activity with all peripherals active, total power dissipation is approximately 0.5-0.7 W depending on I/O toggling rate. The 80-pin TQFP package has a theta_JA of approximately 40-50 C/W on a 4-layer PCB with ground pour. Estimated: at 85 C industrial ambient, junction temperature stays below 120 C without a heatsink; however, sustained ambient above 70 C in a sealed enclosure may require thermal vias to a bottom copper plane. Verify with a thermal probe in worst-case firmware.
Informasi Konformitas
RoHS compliant per Microchip product page. AEC-Q100 grade is NOT available on the -I/PT industrial variant; the -E/PT extended-temperature variant is the automotive-grade counterpart. Halogen-free status not explicitly stated in available data.