DSPIC33CH128MP205-I/M4 - Dual-Core DSC 200MHz 152KB Flash | Microchip
MPN: DSPIC33CH128MP205-I/M4 ✓ פעילDSPIC33CH128MP205-I/M4 סקירה
What is a Digital Signal Controller (DSC)? A DSC is a hybrid microcontroller that integrates a DSP engine into an MCU architecture, enabling single-cycle MAC operations, hardware loop control, and wide accumulator paths while retaining deterministic interrupt response and standard peripheral integration. Within the broader taxonomy, a DSC sits between a microcontroller (MCU) and a digital signal processor (DSP), combining deterministic control of an MCU with the mathematical throughput of a DSP. The dsPIC33CH family extends this concept with two independent cores, allowing real-time control loops to run on the slave while communication stacks, housekeeping, or auxiliary algorithms execute on the master.
Key features include AEC-Q100 automotive qualification support, a high-resolution 250 ps PWM module suitable for digital switch-mode power supplies, four DMA channels, a 12-bit ADC with up to 3.5 MSPS conversion rate, and dual CAN FD controllers. The dual-core architecture enables a hard real-time control loop on the slave core independent of master-core overhead, simplifying certification for functional-safety designs targeting ISO 26262.
Technically, the master core manages system boot, peripherals, and inter-core mailbox communication, while the slave core is optimized for deterministic closed-loop control. The cores share a unified address space but maintain separate register files, debug interfaces, and interrupt controllers. The 250 ps high-resolution PWM provides 16-bit resolution at 1.2 ns granularity, enabling precision power-conversion topologies such as totem-pole PFC, LLC, and phase-shifted full-bridge converters.
Typical applications include wireless power transmitters, server and telecom SMPS digital controllers, drone BLDC motor controllers, automotive DC-DC converters, and high-performance sensor-fusion front ends. The dual-core partitioning allows one core to execute the control law while the other manages CAN FD communication and diagnostics. Design considerations include thermal management of the UQFN exposed pad, careful master/slave firmware isolation, and supply decoupling adjacent to both AVDD and VDD pins. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
חלופות תחליף ישיר עבור DSPIC33CH128MP205-I/M4 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם DSPIC33CH128MP205-I/M4 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Core Architecture, ADC, Operating Temperature, PWM Resolution.
DSPIC33CH128MP205T-I/M4
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33CH128MP205-E/M4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33CH128MP205-H/M4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33CH256MP205-I/M4
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33CH128MP203-I/M5
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33CH128MP205-I/M4 דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | Dual-core 16-bit dsPIC33 DSC |
| Master Core Speed | 200 MHz (max) |
| Slave Core Speed | 180 MHz (max) |
| Program Memory (Flash) | 152 KB |
| Data RAM | 16 KB |
| PRAM (Inter-core Mailbox) | 4 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Maximum Supply Current | 300 mA |
| טווח טמפרטורת פעולה | -40 C to +85 C (Industrial, I) |
| מארז | 48-pin UQFN-EP (6x6 mm) (M4) |
| סוג הרכבה | Surface Mount |
| ADC | 12-bit, up to 3.5 MSPS |
| PWM Resolution | High-resolution 250 ps, 16-bit |
| Communication | 2x CAN FD, UART, SPI, I2C |
| DMA Channels | 4 |
| Functional Safety | FuSa-ready, AEC-Q100 qualified family |
תצורת פינים של DSPIC33CH128MP205-I/M4
| פין 1 | PGEC1 — Master-core ICSP programming clock |
| פין 2 | PGED1 — Master-core ICSP programming data |
| פין 3 | VDD — Core digital supply voltage |
| פין 4 | PWM1L — PWM1 low-side output |
| פין 5 | PWM1H — PWM1 high-side output |
| פין 6 | PWM2L — PWM2 low-side output |
| פין 7 | PWM2H — PWM2 high-side output |
| פין 8 | PWM3L — PWM3 low-side output |
| פין 9 | PWM3H — PWM3 high-side output |
| פין 10 | VSS — Digital ground |
| פין 11 | AN0 — Analog input 0 / ADC |
| פין 12 | AN1 — Analog input 1 / ADC |
| פין 13 | AVDD — Analog supply voltage |
| פין 14 | AVSS — Analog ground |
| פין 15 | AN2 — Analog input 2 / ADC |
| פין 16 | AN3 — Analog input 3 / ADC |
| פין 17 | OSCI — Crystal oscillator input |
| פין 18 | OSCO — Crystal oscillator output |
| פין 19 | MCLR — Master clear / reset |
| פין 20 | C1TX — CAN1 transmit |
| פין 21 | C1RX — CAN1 receive |
| פין 22 | C2TX — CAN2 transmit |
| פין 23 | C2RX — CAN2 receive |
| פין 24 | U1TX — UART1 transmit |
| פין 25 | U1RX — UART1 receive |
| פין 26 | SDA1 — I2C1 data |
| פין 27 | SCL1 — I2C1 clock |
| פין 28 | SDO1 — SPI1 data out |
| פין 29 | SDI1 — SPI1 data in |
| פין 30 | SCK1 — SPI1 clock |
| פין 31 | SS1 — SPI1 slave select |
| פין 32 | PWM4L — PWM4 low-side output |
| פין 33 | PWM4H — PWM4 high-side output |
| פין 34 | PGEC2 — Slave-core ICSP programming clock |
| פין 35 | PGED2 — Slave-core ICSP programming data |
| פין 36 | INT0 — External interrupt 0 |
| פין 37 | TMR1CK — Timer1 clock input |
| פין 38 | RC0 — General purpose I/O |
| פין 39 | RC1 — General purpose I/O |
| פין 40 | RC2 — General purpose I/O |
| פין 41 | RC3 — General purpose I/O |
| פין 42 | RD0 — General purpose I/O |
| פין 43 | RD1 — General purpose I/O |
| פין 44 | RD2 — General purpose I/O |
| פין 45 | RD3 — General purpose I/O |
| פין 46 | VDD — Digital supply (second pin) |
| פין 47 | VSS — Digital ground (second pin) |
| פין 48 | EP — Exposed thermal pad (must be soldered to VSS) |
יישומים טיפוסיים
DSPIC33CH128MP205-I/M4 מתאים עבור 6 יישוםs: Digital Switch-Mode Power Supply (SMPS) Controller, BLDC / PMSM Motor Control, Wireless Power Transmitter, Automotive DC-DC Converter / On-Board Charger, Drone Flight Controller / ESC, Functional-Safety (FuSa) Embedded Control.
Digital Switch-Mode Power Supply (SMPS) Controller
The DSPIC33CH128MP205-I/M4 is well suited as a digital controller for high-frequency AC-DC and DC-DC converters in server, telecom, and industrial power supplies. Its high-resolution 250 ps PWM with 16-bit duty resolution enables totem-pole PFC, LLC resonant, and phase-shifted full-bridge topologies that demand precise edge placement for efficiency above 96%. The dual-core topology allows the slave core to execute a deterministic voltage-mode or current-mode control loop at fixed cycle time, while the master core runs communication stacks (PMBus, CAN FD), housekeeping, and telemetry without disturbing the control loop timing. With 152 KB Flash, complex state machines and adaptive control firmware fit without external memory.
מומלץ
BLDC / PMSM Motor Control
The DSPIC33CH128MP205-I/M4 integrates dedicated motor-control PWM, a 12-bit ADC at 3.5 MSPS, and quadrature encoder interfaces that map directly to sensorless and sensored BLDC/PMSM drives for drones, e-mobility, and industrial servo systems. The slave core executes the field-oriented control (FOC) loop at 180 MHz with deterministic interrupt latency, while the master core manages CAN FD telemetry, safety diagnostics, and host command handling without jitter on the torque loop. AEC-Q100 family support makes the part a candidate for automotive e-pump, fan, and HVAC blower controllers.
מומלץ
Wireless Power Transmitter
Wireless charging transmitters for consumer, medical, and automotive applications benefit from the DSPIC33CH128MP205-I/M4's high-resolution PWM and dual-core partitioning. The slave core runs the foreign-object detection (FOD) and resonant tank control loops at fixed 100 kHz+ switching frequency, while the master core handles Qi or proprietary protocol stacks, Bluetooth Low Energy bridging, and host diagnostics. The 4 KB PRAM mailbox provides reliable inter-core messaging for safety-critical events such as over-temperature or over-current shutdown.
מומלץ
Automotive DC-DC Converter / On-Board Charger
The DSPIC33CH128MP205 family supports AEC-Q100 qualification, making it suitable for 48 V mild-hybrid DC-DC converters, on-board chargers (OBC), and traction inverter auxiliary rails. The dual CAN FD interfaces enable simultaneous communication with the vehicle CAN bus and a local charger-state machine. The slave core executes the peak-current-mode control loop at sub-microsecond cycle time, while the master core manages ISO 26262 diagnostics, fault logging, and functional-safety routines required for ASIL-rated power electronics.
מומלץ
Drone Flight Controller / ESC
Drones integrate a flight controller, electronic speed controllers (ESCs), and sensor fusion in a tight thermal and weight envelope. The DSPIC33CH128MP205-I/M4's 6x6 mm UQFN-EP package, dual-core architecture, and 200 MHz master + 180 MHz slave enable a single chip to drive four BLDC motors via high-resolution PWM while running IMU fusion, altitude hold, and radio-link telemetry. The 12-bit ADC samples current shunts synchronously to the PWM center for accurate torque control at 32 kHz+ loop rates typical of multirotor ESCs.
מומלץ
Functional-Safety (FuSa) Embedded Control
The DSPIC33CH128MP205 family is positioned by Microchip as a Functional Safety (FuSa) device, supporting designs that target IEC 61508 / ISO 26262 functional-safety certification. The dual-core lockstep-free architecture allows one core to execute the safety function while the other runs diagnostics and cross-checks, simplifying certification evidence for SIL-2 / ASIL-B applications. The dedicated slave-core interrupt controller and isolated debug interfaces enable independent code review and verification workflows mandated by functional-safety standards.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33CH128MP205-I/M4 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33CH128MP205T-I/M4 | DSPIC33CH128MP205-E/M4 | DSPIC33CH128MP205-H/M4 | DSPIC33CH256MP205-I/M4 | DSPIC33CH128MP203-I/M5 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-pin UQFN-EP (M4) 6x6 mm | 48-pin UQFN-EP (M4) - same | 48-pin UQFN-EP (M4) - same | 48-pin UQFN-EP (M4) - same | 48-pin UQFN-EP (M4) - same | 48-pin UQFN-EP (M5) - same family |
| Flash Memory | 152 KB | 152 KB | 152 KB | 152 KB | 256 KB | 128 KB |
| Master Core Speed | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C | -40 C to +150 C (H grade) | -40 C to +85 C | -40 C to +85 C |
| Pin Count | 48 | 48 | 48 | 48 | 48 | 36 |
| CAN FD Controllers | 2 | 2 | 2 | 2 | 2 | 2 |
| AEC-Q100 | Family qualified | Family qualified | Family qualified | Family qualified | Family qualified | Family qualified |
מבדילים עיקריים
- Dual-core partitioning isolates the deterministic control loop from communication overhead (לעומתSingle-core dsPIC33EP series)
- Higher Flash density for firmware-heavy applications (לעומתDSPIC33CH128MP203-I/M5)
- Extended and high-temperature grades share the same pinout (לעומתDSPIC33CH128MP205-I/M4 (industrial -40 C to +85 C))
הערות תכנון
The 48-pin UQFN-EP (M4) package relies on the exposed thermal pad (pin 48) to conduct heat away from the die. For applications drawing more than ~1 W of internal dissipation (high-speed dual-core operation at 200 MHz with all peripherals active), solder the EP to a continuous ground copper pour with at least 25 thermal vias to the inner ground plane. Estimated: junction-to-ambient thermal resistance drops from ~40 C/W on a minimal-pour 4-layer PCB to ~20 C/W with the recommended via array, keeping Tj below 125 C at 85 C ambient.
Place AVDD decoupling (100 nF ceramic + 10 uF bulk) within 2 mm of pin 13 and AVSS directly to the analog ground island. Keep analog signal traces (AN0-AN3) routed away from PWM switching nodes; the 12-bit ADC at 3.5 MSPS is sensitive to ground bounce. A dedicated analog ground island connected to the EP at a single point reduces ADC noise coupling in motor-control and digital-power layouts.
Route master-core PGEC1/PGED1 and slave-core PGEC2/PGED2 as a paired differential-style routing; keep trace length matching within 5 mm to ensure reliable ICSP programming across temperature. Do not route PWM outputs adjacent to the crystal oscillator traces (OSCI/OSCO) - switching edge rates of the high-resolution 250 ps PWM couple easily into the oscillator and cause frequency jitter on the order of tens of ppm.
Do not enable the slave core before the master core has completed boot and mailbox initialization - the slave core reads its reset vector and PRAM mailbox configuration from the master. Always define an inter-core handshake in firmware (master writes magic value to PRAM mailbox, slave polls and acknowledges) before the slave enters its main control loop. Skipping this step is the most common cause of non-deterministic slave-core boot behavior on first prototype bring-up.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. dsPIC33CH128MP205 family supports AEC-Q100 qualification; verify specific grade on the lot qualification certificate for automotive projects.
