DSPIC33CK128MP505-E/M4 - 100MHz 128KB CAN-FD DSC | Microchip
MPN： DSPIC33CK128MP505-E/M4 ✓ 啟用中DSPIC33CK128MP505-E/M4 概覽
A digital signal controller combines the compute throughput of a microcontroller with DSP engine features such as single-cycle MAC, barrel shifter, and hardware divide. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, providing deterministic control loops for switched-mode power conversion and motor drive. The dsPIC33CK family, built on the dual-issue dsPIC33CK core, is Microchip's current-generation platform for digital power and advanced control, superseding the dsPIC33EP SMPS families.
Key differentiating features of the MP505 peripheral set include three integrated analog op-amps (usable in PGA mode), three analog comparators, a 12-bit high-speed ADC capable of up to 3.5 Msps, a 16-channel High-Resolution PWM with 250 ps effective resolution for fine duty-cycle and phase control, CAN Flexible Data (CAN-FD) with up to 8 Mbit/s data phase, and a Peripheral Trigger Generator (PTG) for hardware-sequenced autonomous operation.
The dsPIC33CK core executes most instructions in a single cycle at 100 MIPS, with a fixed-point DSP engine supporting (x)y addressing and modulo/bit-reversed modes. Multiple DMA channels offload ADC-to-RAM transfers, keeping the CPU free for the control loop. Context switching latency is minimized for nested interrupts, which matters for multi-ratio phase-shifted converters and FOC motor algorithms executed at tens of kilohertz.
Typical applications include digital power supplies (LLC, phase-shifted full bridge, totem-pole PFC), BLDC/PMSM field-oriented motor control, automotive subsystems such as pumps, fans and lighting ballasts, and high-current battery chargers where CAN-FD and precision PWM converge. The three on-chip op-amps can close current-shunt loops without external amplifiers, reducing BOM cost and board area.
Design consideration: the UQFN exposed pad must be soldered to a grounded thermal land to meet thermal and EMI targets; also budget the 3.3V single-supply domain when interfacing to 5V sensors.
This page synthesizes verified distributor data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33CK128MP505-E/M4 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33CK128MP505-E/M4 （相同外形與佔位） — 差異在於 Package, CAN Interface, Architecture, Data SRAM, Operating Temperature.
DSPIC33CK256MP505-E/M4
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK64MP505-E/M4
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK32MP505-E/M4
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK128MP505-I/M4
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK128MP205-E/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33CK128MP505-E/M4 最大額定值與電氣特性
| Core | dsPIC33CK 16-bit DSC core |
| 最大時脈頻率 | 100 MHz (100 MIPS) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| RAM | 16 KB |
| 供應電壓 | 3.3 V |
| On-chip Op-Amps | 3 |
| Analog Comparators | 3 |
| CAN Interface | CAN FD |
| PWM | High-Resolution PWM (16-channel family module, 250 ps effective resolution) |
| Peripheral Trigger Generator | Yes (PTG) |
| 封裝 | 48-UQFN (6x6 mm) with exposed pad |
| Package Code | M4 |
| 工作溫度範圍 | -40C to +125C (E grade) |
| Qualification | AEC-Q100 automotive |
| 安裝類型 | Surface Mount |
| DSP Features | Fixed-point DSP engine, barrel shifter, single-cycle MAC |
| RoHS 狀態 | Compliant |
DSPIC33CK128MP505-E/M4 m4 腳位配置指南
DSPIC33CK128MP505-E/M4（m4 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33CK128MP505-E/M4.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33CK128MP505-E/M4 適用於 6 應用s: Digital Power Supplies (LLC / Totem-Pole PFC), BLDC/PMSM Field-Oriented Motor Control, Automotive Pumps, Fans and Lighting, Battery Chargers and Power Banks (High-Current DC-DC), Industrial Sensing and Control Nodes, Solar Micro-Inverters and Power Optimizers.
Digital Power Supplies (LLC / Totem-Pole PFC)
The DSPIC33CK128MP505-E/M4 is a strong fit for digitally controlled LLC converters and totem-pole PFC stages because its high-resolution PWM delivers 250 ps-class edge resolution, allowing precise phase-shift and duty-cycle control at the hundreds-of-kilohertz switching frequencies these topologies require. The 100 MHz dual-issue core closes current and voltage loops in software with single-cycle MAC operations, while three on-chip op-amps condition shunt or current-transformer signals without external amplifiers, and three comparators provide hardware overcurrent protection with cycle-level latency. Typical usage pairs the ADC with DMA for autonomous sampling aligned to PWM triggers, keeping jitter low and CPU load minimal. Unlike analog controllers, firmware permits mode switching, burst operation, and adaptive dead-time; the trade-off is that software loop delay must be budgeted against analog-only bandwidth in very fast transient events.
推薦
BLDC/PMSM Field-Oriented Motor Control
For field-oriented control of BLDC and PMSM motors, the DSPIC33CK128MP505-E/M4 combines the compute elements FOC needs: a 100 MIPS core for Park/Clarke transforms and dual PI current loops, high-resolution PWM for low-torque-ripple inverter drive, and integrated op-amps that amplify low-side shunt currents directly, cutting BOM cost versus external instrumentation amplifiers. The 12-bit high-speed ADC samples all three phase currents within one PWM period, and DMA moves results to RAM without CPU intervention. The three comparators implement hardware cycle-by-cycle current limiting independent of software. Practical performance benefit: the dsPIC33CK core sustains current-loop bandwidths in the multi-kilohertz range at 20-100 kHz PWM frequencies typical of industrial drives. Consider the six output channels needed for a three-phase bridge and use Peripheral Pin Select to route gate-drive signals optimally on your PCB layout.
推薦
Automotive Pumps, Fans and Lighting
AEC-Q100 qualification with the E temperature grade (-40C to +125C) makes the DSPIC33CK128MP505-E/M4 appropriate for automotive auxiliary systems such as coolant pumps, radiator fans, LED headlamp ballasts, and blower motors. The integrated CAN-FD interface connects these nodes to vehicle networks at data-phase rates up to 8 Mbit/s, while the PTG (Peripheral Trigger Generator) can sequence PWM/ADC operations autonomously, letting the controller run efficient sensorless or low-oversampling control algorithms. The 48-pin UQFN 6x6 mm package saves board area in space-constrained modules. Performance consideration: verify self-heating at full PWM output drive near the +125C ceiling, since junction margin narrows at maximum ambient; the exposed-pad ground land is mandatory for thermal dissipation. Use the -I/M4 industrial variant only in non-automotive positions to preserve AEC-Q100 traceability across the build of materials.
推薦
Battery Chargers and Power Banks (High-Current DC-DC)
Battery charging stages benefit from the DSPIC33CK128MP505-E/M4's blend of precision and throughput: the high-resolution PWM shapes synchronous buck or boost switching edges for low output ripple during constant-current regulation, the 12-bit ADC with DMA provides accurate current telemetry across the CC/CV profile, and CAN-FD (or UART-based protocols) reports state to system hosts or battery-management masters. The three op-amps can be configured as PGA stages to scale shunt voltages across wide dynamic range from trickle charge to fast-charge currents. Hardware comparators deliver instantaneous overcurrent shutdown on charge faults. In a typical topology the DSC drives a half-bridge at 200-500 kHz, adjusting dead time in firmware to maximize efficiency across load. Trade-off: software charge state machines add validation effort compared with fixed-function charger ICs, but permit multi-chemistry support and field updates in one silicon SKU.
推薦
Industrial Sensing and Control Nodes
As an industrial sensing and control node, the DSPIC33CK128MP505-E/M4 offers a single-chip solution for signal acquisition and actuation: the analog front end (op-amps, comparators, high-speed ADC) conditions bridge, shunt, and rail sensors, while the PTG automates timed sample-and-decide sequences with minimal CPU intervention. The 128KB Flash accommodates protocol stacks, compensation tables, and calibration routines; the 16KB RAM buffers waveform captures for condition-monitoring analytics. Digital connectivity via CAN-FD, UART, SPI and I2C integrates the node into factory networks or daisy-chained control loops. Practical usage: dedicate one op-amp to a 4-20 mA or ratiometric sensor channel and use PPS to remap communication pins for connector-constrained layouts. Performance consideration: the 100 MIPS core executes notch and FIR filtering on the fly, enabling single-chip vibration or current-signature monitoring without an external DSP.
推薦
Solar Micro-Inverters and Power Optimizers
Grid-tied micro-inverter and power-optimizer designs use the DSPIC33CK128MP505-E/M4 to run MPPT algorithms and the grid-synchronization control loop in one device. The high-resolution PWM generates phase-shifted or interleaved switching waveforms with fine duty granularity, directly improving efficiency at partial irradiance, while the fast 12-bit ADC samples panel voltage/current and grid waveforms with DMA-driven deterministic timing. The three on-chip comparators support hardware zero-crossing detection and fast fault shutdown. The core's 100 MIPS budget simultaneously sustains software phase-locked-loop (SPLL) grid tracking and MPPT perturb-and-observe or incremental-conductance routines. Typical operating point: interleaved boost stages at 100-300 kHz with the DSC sequencing both phases. Note that anti-islanding and grid-code compliance firmware adds Flash overhead, which is why the 128KB part is preferred over smaller memory tiers in this application.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33CK128MP505-E/M4 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33CK256MP505-E/M4 | DSPIC33CK64MP505-E/M4 | DSPIC33CK32MP505-E/M4 | DSPIC33CK128MP505-I/M4 | DSPIC33CK128MP205-E/PT |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 64-TQFP (PT) - larger footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33CK, 100 MHz (100 MIPS) | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz |
| Flash Memory | 128 KB | 256 KB (+100%) | 64 KB (-50%) | 32 KB (-75%) | 128 KB | 128 KB |
| On-chip Op-Amps | 3 | 3 | 3 | 3 | 3 | 3 |
| CAN Interface | CAN FD | CAN FD | CAN FD | CAN FD | CAN FD | CAN FD |
| Pin Count | 48 | 48 | 48 | 48 | 48 | 64 |
主要差異化特點
- Integrated analog signal chain (對比DSPIC33CK32MP505-E/M4)
- More firmware headroom in the same footprint (對比DSPIC33CK64MP505-E/M4)
- Automotive qualification (對比DSPIC33CK128MP505-I/M4)
- Compact control-oriented package (對比DSPIC33CK128MP205-E/PT)
設計說明
The 48-UQFN (M4) exposed pad is the primary ground and thermal path. Create a solder-mask-defined land matching the datasheet pad geometry, with a 5x5 via array (0.3 mm vias) connecting to the internal ground plane. Underfill is unnecessary at this size, but ensure the stencil apertures cover approximately 70-80% of the pad to prevent voiding. Pin 1 is at the top-left dot marker with counter-clockwise numbering per the package drawing in the manufacturer datasheet.
The dsPIC33CK family runs from a single 3.3V rail; provide separate VDD and AVDD filtering. Place a 0.1 uF X7R capacitor within 2 mm of each VDD pin plus one 10 uF bulk capacitor per rail. Feed AVDD through an RC or ferrite filter (e.g., 10 ohm + 1 uF) from VDD to keep PWM switching noise out of the ADC reference domain, preserving converter accuracy in digital power loops. Do not omit the dedicated VCAP core-regulator capacitor specified in the datasheet - the internal LDO becomes unstable without it.
High-resolution PWM edges with 250 ps-class resolution create fast dv/dt. Route gate-drive traces with ground return directly beneath, keep series gate resistors close to the driver, and separate analog sensor traces from PWM routing on adjacent layers with a ground plane between them. Use Peripheral Pin Select to move digital functions away from analog-sensitive corner pins during layout review rather than after routing.
Two frequent mistakes with this family: (1) programming the MCLR pin weakly pulled and then losing debug access in-circuit - keep the standard 10 kohm pull-up and programming connector even on production boards; (2) assuming the -I/M4 industrial variant substitutes for the AEC-Q100 -E/M4 in automotive builds; the E grade and qualification records differ, so BOM substitution must be controlled. Also verify CAN-FD bit timing against the actual CAN clock source, since data-phase rates up to 8 Mbit/s are sensitive to oscillator tolerance.
合規資訊
AEC-Q100 automotive qualification per Microchip/distributor part data (datasheets.com part listing). RoHS status compliant for current Microchip DSC production; REACH and halogen-free status not stated in provided data.
