DSPIC33CK32MP505-E/PT - 100MHz 16-Bit DSC, 32KB Flash | Microchip
MPN： DSPIC33CK32MP505-E/PT ✓ 啟用中DSPIC33CK32MP505-E/PT 概覽
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, providing single-cycle MAC instructions, fast interrupt handling and tightly coupled PWM, ADC and analog peripherals - a combination purpose-built for closed-loop, high-frequency control systems such as digital power supplies and motor drives.
Key differentiating features of this MP variant include three integrated operational amplifiers, three analog comparators, a Peripheral Trigger Generator (PTG) and CAN-FD connectivity. The on-chip op-amps can be used as signal-conditioning stages for current-sense amplifiers, reducing external BOM count. The high-resolution PWM outputs enable fine duty-cycle and frequency resolution essential for peak-efficiency switching converter design.
Architecturally, the dsPIC33CK core executes from Flash with a DSP-enhanced instruction set, supported by up to nine MCCP/SCCP timer, capture/compare and PWM modules with 16- or 32-bit time bases and fully asynchronous operation. Flash partitioning allows the 32 KB program space to run as a single block or split into two bootable partitions (0x000000-0x006000 in unpartitioned mode), supporting bootloader and fail-safe update schemes.
Typical applications include digital power supplies (PFC, LLC, buck/boost), brushless DC and PMSM motor control, automotive auxiliaries, and high-end sensing and control systems. The 100 MHz core closes high-bandwidth control loops that 40-70 MHz DSCs cannot.
Design consideration: supply the device from a clean 3.3 V rail and budget the analog peripherals (op-amps, comparators, 12-bit ADC) their own quiet ground return to realize full accuracy.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in a single manufacturer datasheet.
直接替換替代品，適用於 DSPIC33CK32MP505-E/PT — 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： DSPIC33CK32MP505-E/PT （相同外形與佔位） — 差異在於 CAN Interface, Operating Temperature, Core, Package, PWM.
DSPIC33CK32MP505-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK64MP505-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK16MP505-I/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK32MC105-E/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33CK32MP505-E/M4
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33CK32MP505-E/PT 最大額定值與電氣特性
| Core | dsPIC33CK, 16-bit |
| 最大時脈頻率 | 100 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 8 KB |
| 供應電壓 | 3.3 V |
| 封裝 | 48-TQFP (7x7 mm) |
| 工作溫度範圍 | -40C to +125C (extended, E) |
| Qualification | AEC-Q100 (Automotive) |
| On-chip Operational Amplifiers | 3 |
| On-chip Comparators | 3 |
| CAN Interface | CAN-FD |
| Peripheral Trigger Generator | Yes (PTG, up to 15 trigger sources) |
| MCCP/SCCP Modules | 9 (1 MCCP, 8 SCCP) with Timer, Capture/Compare, PWM |
| PWM Resolution | High-resolution PWM |
| 安裝類型 | Surface Mount |
| Series | dsPIC33CK32MP505 (dsPIC 33CK) |
DSPIC33CK32MP505-E/PT 48-tqfp (7x7 mm) 腳位配置指南
DSPIC33CK32MP505-E/PT（48-tqfp (7x7 mm) 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： DSPIC33CK32MP505-E/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33CK32MP505-E/PT 適用於 6 應用s: Digital Power Supplies (PFC, LLC, Buck/Boost), Brushless DC and PMSM Motor Control, Automotive Auxiliaries and Body Electronics, High-End Sensing and Control Systems, USB and Embedded Connectivity Nodes, General Embedded Control and Test Fixtures.
Digital Power Supplies (PFC, LLC, Buck/Boost)
The DSPIC33CK32MP505-E/PT fits digital power supply control because its 100 MHz 16-bit core closes voltage- and current-loop bandwidths that slower DSCs cannot, while the high-resolution PWM delivers fine duty-cycle resolution for peak-efficiency operation in PFC, LLC, and synchronous buck/boost topologies. Nine MCCP/SCCP modules provide complementary PWM outputs with dead-time control, and the three on-chip op-amps amplify current-shunt signals without external amplifier ICs. Used as the sole controller between the sensing front end and power stage, it eliminates a separate analog control IC; the trade-off versus a dedicated analog controller is firmware development effort, repaid by programmability across output voltages and topologies.
推薦
Brushless DC and PMSM Motor Control
For BLDC and PMSM drives, the DSPIC33CK32MP505-E/PT integrates the complete field-oriented control (FOC) chain on one chip: op-amps condition phase-current shunt signals, comparators implement fast overcurrent protection, and the 100 MHz DSP core executes Park/Clarke transforms and PI loops with single-cycle MAC instructions. High-resolution PWM with nine MCCP/SCCP modules generates three-phase complementary outputs with precise dead time. The CAN-FD interface links the drive to vehicle or industrial networks, and AEC-Q100 qualification with the -E temperature grade suits automotive auxiliaries such as pumps, fans, and actuators. Quantified benefit: a single 48-pin 7x7 mm device replaces separate MCU, amplifier, and comparator components, shrinking drive-board area and BOM cost.
推薦
Automotive Auxiliaries and Body Electronics
The DSPIC33CK32MP505-E/PT is positioned for automotive use through its AEC-Q100 qualification and -40C to +125C extended operating range, covering underhood and transmission-adjacent environments. CAN-FD connectivity provides the bandwidth and payload growth required by modern in-vehicle networks for actuator control, sensing nodes, and zonal modules. Dual-partition Flash enables fail-safe field firmware updates - one partition runs application code while the other is reprogrammed, meeting automotive OTA safety expectations. The 3 op-amps and 3 comparators support local current and position sensing for actuators such as throttle, EGR, pumps, and fans. Design consideration: verify your OEM's safety plan uses the watchdog and partition-swap mechanisms provided by the dsPIC33CK architecture.
推薦
High-End Sensing and Control Systems
Advanced sensing and control systems benefit from the DSPIC33CK32MP505-E/PT's Peripheral Trigger Generator, which autonomously sequences up to 15 trigger sources among the ADC, op-amps, and comparators with CPU-independent timing, producing deterministic sampling schedules for multi-channel sensor fusion. The 100 MHz core performs DSP filtering (FIR/IIR) on the digitized sensor data in real time, while CAN-FD streams results to supervisory controllers. Fully asynchronous MCCP/SCCP operation keeps timing peripherals running independently of core activity. This suits vibration analysis, precision flow metering, and condition-monitoring nodes. The measured trade-off: 8 KB RAM constrains buffer depth, so systems needing long sample windows should step up to a higher-RAM family member.
推薦
USB and Embedded Connectivity Nodes
While its headline peripherals target power and motion, the DSPIC33CK32MP505-E/PT also serves as a smart connectivity node: CAN-FD bridges industrial or vehicular buses, and the general-purpose timers and communication modules interface with UART, SPI, and I2C field devices. The PTG offloads trigger sequencing from the CPU, letting a 100 MHz core maintain communication stacks while servicing real-time control. Dual-partition Flash supports in-field protocol firmware updates over the CAN bus itself. Typical deployments include gateway sub-nodes, diagnostic loggers, and actuator controllers that must coexist on a shared CAN-FD backbone. Quantified benefit: a single 48-pin TQFP integrates the network interface, real-time control, and analog sensing in 7x7 mm of board area.
推薦
General Embedded Control and Test Fixtures
The DSPIC33CK32MP505-E/PT works as a performance general-purpose controller where a standard MCU lacks DSP throughput: automated test fixtures, instrument trigger engines, and precision sequencing. The nine MCCP/SCCP modules supply capture functions with 4-deep buffers and 16- or 32-bit time bases for event measurement, while the PTG acts as a programmable state-machine sequencer for stimulus-response test patterns without CPU intervention. Extended -40C to +125C rating allows fixtures co-located with hot devices under test. Compared with a DSPIC33CK32MC105, the MP505's on-chip op-amps enable direct analog waveform conditioning inside the fixture. Trade-off: choose the MC105 for cost-sensitive fixtures that never use the analog front end.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33CK32MP505-E/PT — 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 | DSPIC33CK32MP505-I/PT | DSPIC33CK64MP505-I/PT | DSPIC33CK16MP505-I/PT | DSPIC33CK32MC105-E/PT | DSPIC33CK32MP505-E/M4 |
|---|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | QFN (M4) - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 32 KB | 32 KB | 64 KB | 16 KB | 32 KB | 32 KB |
| On-chip Op-Amps | 3 | 3 | 3 | 3 | 0 (MC variant) | 3 |
| CAN-FD | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +125C (E, AEC-Q100) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
主要差異化特點
- Three on-chip operational amplifiers (對比DSPIC33CK32MC105-E/PT)
- Extended temperature and AEC-Q100 (對比DSPIC33CK32MP505-I/PT)
- 32 KB Flash fits compact FOC firmware (對比DSPIC33CK16MP505-I/PT)
設計說明
Supply the DSPIC33CK32MP505-E/PT from a regulated 3.3 V rail with decoupling of at least one 0.1 uF ceramic per VDD pin pair placed within 2 mm of the pins, plus one bulk 4.7-10 uF capacitor near the device. When the on-chip op-amps drive ADC sampling of switching-node currents, isolate AVDD with an RC or ferrite filter from the noisy core VDD rail; shared supply noise appears directly as ADC code jitter in digital power loops.
Route high-resolution PWM outputs to gate drivers as short, matched pairs and keep their return path continuous beneath them; the high duty-cycle resolution of the dsPIC33CK PWM is wasted if layout adds asymmetric propagation delay. Star-ground the analog sensing network (shunt to op-amp input traces should be Kelvin-connected at the shunt resistor). On the 48-TQFP, group analog pins away from PWM switching traces on inner layers when possible.
Two recurring pitfalls: (1) firmware written for the MP505 will fail to link or behave incorrectly on the MC105 alternative because the MC variant lacks the three op-amps - guard peripheral-configuration code with device-family checks if you plan a dual-source BOM. (2) In dual-partition mode the program space splits into two bootable regions; code assuming a single contiguous 0x000000-0x006000 block must be built in unpartitioned mode, per the device programming documentation.
合規資訊
Distributor listings categorize this part as Automotive, AEC-Q100, 3.3V 48-TQFP; RoHS/lead-free status per standard Microchip TQFP supply. REACH, halogen-free and conflict-minerals declarations should be confirmed on Microchip's official environmental documentation.