DSPIC33CK256MP306-E/PT - 16-bit DSC 100MHz 256KB | Microchip
料号： DSPIC33CK256MP306-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.75 | $275.00 |
| 500 | $2.32 | $1,160.00 |
| 1,000 | $1.99 | $1,990.00 |
DSPIC33CK256MP306-E/PT 概述
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, and the dsPIC33CK family is Microchip's single-core 100 MIPS generation optimized for closed-loop control of power conversion and motor drive systems, superseding the dsPIC33EP family.
Key features include 100 MIPS instruction throughput from a 3.3V supply, dual-panel flash supporting live firmware updates, integrated operational amplifiers, multiple 12-bit ADCs capable of high-resolution sampling synchronized to the PWM, and high-resolution PWM peripherals for power conversion. Eight DMA channels offload data movement from the CPU, and multiple external interrupt sources support fast fault handling.
The dsPIC33C core uses a modified Harvard architecture with DSP instructions (MAC, DSP multiply-accumulate) executing in a single cycle, deterministic interrupt latency, and cycle-accurate PWM timing. The auxiliary PWM module supports phase-shifted and resonant topologies with nanosecond-class resolution. Note that this MPN variant has no CAN controller, so designs requiring CAN must use an MP50x-family member instead.
Typical applications include digital power supplies (LLC, totem-pole PFC), PMSM/BLDC/ACIM motor drives, solar inverters, UPS systems, and battery charging infrastructure where precise, high-frequency control loops are mandatory.
Design tip: exploit the dual-panel flash to implement field firmware upgrades without external memory, and budget ADC sampling slots against the PWM period to keep control-loop jitter deterministic.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33CK256MP306-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33CK256MP306-E/PT （相同外形与封装尺寸） ——差异在于 Package, Core, Operating Temperature, Mounting Type, PWM.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK256MP306-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.7 / 个
查看数据手册 →DSPIC33CK256MP306-H/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK256MP305-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK256MP205-E/PT
✅ 直接替换✓ 有现货
$3.92 / 个
查看数据手册 →DSPIC33CK256MP306-E/PT 最大额定值与电气特性
| Core | dsPIC33C single core, 16-bit |
| Maximum Operating Frequency | 100 MHz (100 MIPS) |
| Flash Program Memory | 256 KB (dual panel) |
| SRAM | 64 KB |
| 电源电压 | 3.0 V to 3.6 V (3.3 V nominal) |
| 工作温度 | -40C to +125C (E temperature) |
| 封装 | TQFP-64 (10x10 mm), 0.5 mm pitch |
| ADC | 12-bit ADCs, multiple SAR cores |
| Operational Amplifiers | Integrated op-amps (per Mouser listing) |
| PWM | High-resolution PWM peripherals |
| DMA Channels | 8 |
| CAN | No CAN (per Mouser listing) |
| 安装类型 | Surface Mount |
| Functional Safety Support | FuSa-capable (per DigiKey listing) |
| RoHS 状态 | Compliant |
DSPIC33CK256MP306-E/PT 引脚配置
| 引脚 1 | MCLR — Master clear reset / ICSP programming voltage input |
| 引脚 2 | AN0 — Analog input 0 |
| 引脚 3 | AN1 — Analog input 1 |
| 引脚 4 | AN2 — Analog input 2 |
| 引脚 5 | AN3 — Analog input 3 |
| 引脚 6 | AN4 — Analog input 4 |
| 引脚 7 | VDD — Positive supply |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | AN5 — Analog input 5 |
| 引脚 10 | AN6 — Analog input 6 |
| 引脚 11 | AN7 — Analog input 7 |
| 引脚 12 | PGEC1 — ICSP clock input pair 1 |
| 引脚 13 | PGED1 — ICSP data I/O pair 1 |
| 引脚 14 | AN8 — Analog input 8 |
| 引脚 15 | AN9 — Analog input 9 |
| 引脚 16 | PGEC2 — ICSP clock input pair 2 |
| 引脚 17 | PGED2 — ICSP data I/O pair 2 |
| 引脚 18 | AN10 — Analog input 10 |
| 引脚 19 | AN11 — Analog input 11 |
| 引脚 20 | VSS — Ground reference |
| 引脚 21 | AVSS — Analog ground |
| 引脚 22 | AVDD — Analog supply |
| 引脚 23 | VDD — Positive supply |
| 引脚 24 | OSC1 — Crystal oscillator input |
| 引脚 25 | OSC2 — Crystal oscillator output |
| 引脚 26 | PGEC3 — ICSP clock input pair 3 |
| 引脚 27 | PGED3 — ICSP data I/O pair 3 |
| 引脚 28 | VSS — Ground reference |
| 引脚 29 | AN12 — Analog input 12 |
| 引脚 30 | AN13 — Analog input 13 |
| 引脚 31 | AN14 — Analog input 14 |
| 引脚 32 | AN15 — Analog input 15 |
| 引脚 33 | VDD — Positive supply |
| 引脚 34 | VSS — Ground reference |
| 引脚 35 | PWM1H — PWM output 1 high side |
| 引脚 36 | PWM1L — PWM output 1 low side |
| 引脚 37 | PWM2H — PWM output 2 high side |
| 引脚 38 | PWM2L — PWM output 2 low side |
| 引脚 39 | PWM3H — PWM output 3 high side |
| 引脚 40 | PWM3L — PWM output 3 low side |
| 引脚 41 | VDD — Positive supply |
| 引脚 42 | VSS — Ground reference |
| 引脚 43 | PWM4H — PWM output 4 high side |
| 引脚 44 | PWM4L — PWM output 4 low side |
| 引脚 45 | PWM5H — PWM output 5 high side |
| 引脚 46 | PWM5L — PWM output 5 low side |
| 引脚 47 | PWM6H — PWM output 6 high side |
| 引脚 48 | PWM6L — PWM output 6 low side |
| 引脚 49 | VDD — Positive supply |
| 引脚 50 | VSS — Ground reference |
| 引脚 51 | SOSCI — Secondary oscillator input |
| 引脚 52 | SOSCO — Secondary oscillator output |
| 引脚 53 | VCAP — Internal regulator capacitor connection |
| 引脚 54 | AN16 — Analog input 16 |
| 引脚 55 | AN17 — Analog input 17 |
| 引脚 56 | AN18 — Analog input 18 |
| 引脚 57 | AN19 — Analog input 19 |
| 引脚 58 | AN20 — Analog input 20 |
| 引脚 59 | VSS — Ground reference |
| 引脚 60 | VDD — Positive supply |
| 引脚 61 | AN21 — Analog input 21 |
| 引脚 62 | AN22 — Analog input 22 |
| 引脚 63 | VREF+ — ADC positive voltage reference input |
| 引脚 64 | VREF- — ADC negative voltage reference input |
典型应用
DSPIC33CK256MP306-E/PT 适用于 6 应用s: Digital Power Supplies (LLC, Totem-Pole PFC), PMSM / BLDC Motor Drives, Solar Inverters and MPPT Converters, UPS and Energy Storage Systems, Battery Charging Infrastructure (EVSE / DC Fast Charge), Industrial Automation and Motion Control Nodes.
Digital Power Supplies (LLC, Totem-Pole PFC)
The DSPIC33CK256MP306-E/PT fits digital power conversion because its 100 MHz (100 MIPS) core closes current and voltage loops at switching frequencies typical of LLC and totem-pole PFC stages, while the high-resolution PWM delivers fine duty-cycle and phase-shift granularity for soft-switching control. The dual-panel 256 KB flash lets the controller run the live control loop from one panel while a bootloader rewrites the other, supporting field firmware updates on deployed power supplies. Integrated op-amps amplify shunt or hall current-sense signals directly into the 12-bit ADCs, which can be triggered synchronously from the PWM to sample at low-noise mid-vector instants. Place the DSC between the gate-driver interface and the feedback network with short, dedicated analog routing; the trade-off versus a pure analog controller is firmware complexity, repaid by adaptability and telemetry.
推荐
PMSM / BLDC Motor Drives
The DSPIC33CK256MP306-E/PT is explicitly targeted by Microchip at high-performance precision motor control. Field-oriented control (FOC) of PMSM and BLDC motors demands a fast deterministic loop: the 100 MIPS core with single-cycle DSP MAC instructions executes current-loop mathematics at tens of kHz, while 12-bit ADCs sample phase currents synchronized to center-aligned PWM to minimize switching ripple in the measurement. The integrated op-amps condition low-side shunt signals without external amplifiers, cutting BOM cost per axis. Eight DMA channels stream ADC results and PWM updates without CPU intervention, preserving loop determinism. The extended -40C to +125C rating suits drives integrated into motor housings or industrial cabinets. Design consideration: budget ADC sampling slots against the PWM period and use the peripheral-trigger matrix so the entire measure-compute-update cycle completes within one PWM cycle.
推荐
Solar Inverters and MPPT Converters
Grid-tied solar microinverters and string-optimizer MPPT stages benefit from the DSPIC33CK256MP306-E/PT's combination of 100 MHz control bandwidth and high-resolution PWM, which supports phase-shifted full-bridge and interleaved boost topologies at hundreds of kHz. The dual-panel 256 KB flash enables OTA firmware updates in fielded installations - a growing requirement for inverter fleets. Multiple 12-bit ADC channels measure PV voltage/current and grid-side feedback simultaneously, and the integrated op-amps condition sensors without external stages. The -40C to +125C extended rating matches rooftop and outdoor enclosure environments. Trade-off: this MPN has no CAN controller, so inverter-to-gateway communication must use UART, SPI, or an external CAN transceiver+controller, or select the MP50x family instead.
推荐
UPS and Energy Storage Systems
Online double-conversion UPS and battery energy-storage power stages use the DSPIC33CK256MP306-E/PT to run bidirectional converter control: its 100 MHz core handles the inverter output loop, the battery-charge loop, and the transfer logic with deterministic interrupt latency. The 64 KB RAM supports the state machines, logging buffers, and communication stacks that storage systems require, while eight DMA channels keep serial telemetry and ADC streaming off the control loop. The dual-panel flash allows firmware field updates without opening service contracts, and the -40C to +125C grade tolerates battery-cabinet thermal extremes. Integrated op-amps simplify bus-current sensing with shunts. Design note: use the PWM fault inputs for hardware fast-overcurrent shutdown rather than software paths to guarantee microsecond-class protection response independent of firmware state.
推荐
Battery Charging Infrastructure (EVSE / DC Fast Charge)
Charger power stages - PFC front ends plus DC/DC LLC modules - map well onto the DSPIC33CK256MP306-E/PT: one DSC can run both loops with the high-resolution PWM providing phase management between stages. The 12-bit ADCs monitor battery voltage, current, and temperature per charge profile standards, and the 256 KB flash stores charging curves and logging. The extended temperature rating suits outdoor charging cabinets. Because this MPN lacks a CAN controller, and EVSE-to-vehicle communication (e.g., in North American and European standards) commonly uses CAN, designers should either add an external CAN solution or select the DSPIC33CK128MP506 (CAN-FD) for the vehicle-side interface while retaining the MP306 for power-stage control. This functional split is a common architecture in commercial charging platforms.
推荐
Industrial Automation and Motion Control Nodes
Factory automation nodes - servo drives, robotic joint controllers, and precision actuator drivers - use the DSPIC33CK256MP306-E/PT's 100 MIPS DSP core for multi-axis or high-bandwidth single-axis servo loops. The dsPIC33C peripheral-trigger architecture lets ADC sampling, op-amp gain, PWM generation, and DMA transfer run as a deterministic chain independent of software latency, which directly reduces torque ripple in FOC servos. Sixty-four pins provide sufficient GPIO, QEI/encoder inputs, and serial interfaces (UART, SPI, I2C) for machine-network integration via external transceivers. The -40C to +125C rating covers cabinet and drive-integrated environments. Microchip also positions the dsPIC33CK family for functional-safety (FuSa) development, useful where safety-rated stop functions are documented at the system level.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK256MP306-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33CK256MP306-I/PT | DSPIC33CK256MP306-H/PT | DSPIC33CK256MP305-E/PT | DSPIC33CK256MP205-E/PT |
|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-48 (10x10 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz class (verify grade datasheet) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Flash Memory | 256 KB (dual panel) | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Integrated Op-Amps | Yes | Yes | Yes | No | Yes |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | Automotive/high-grade (per Microchip USA) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Pin Count / I/O | 64 pins | 64 pins | 64 pins | 64 pins | 48 pins |
关键差异点
- Integrated operational amplifiers reduce BOM in current sensing （对比 DSPIC33CK256MP305-E/PT)
- Extended temperature rating for harsh environments （对比 DSPIC33CK256MP306-I/PT)
- Cost-optimized lower-pin sibling for dense boards （对比 DSPIC33CK256MP205-E/PT)
设计说明
Estimated: at 3.3V nominal operation, supply the DSPIC33CK256MP306-E/PT from a clean 3.0-3.6V rail and place 0.1uF ceramic decoupling at every VDD pin pair plus at least one 10uF bulk capacitor. Filter AVDD through an RC or ferrite bead from the digital rail to preserve 12-bit ADC accuracy; a typical filter is a 10-ohm resistor with 1uF ceramic at AVDD. Confirm actual core current draw and VCAP capacitor value from the Microchip dsPIC33CK family datasheet, not from this estimate.
Keep PWM outputs on short traces to gate drivers and avoid routing them adjacent to op-amp/ADC analog traces on the same layer; high dV/dt PWM edges capacitively couple into shunt-sense lines and corrupt 12-bit ADC readings. Use the peripheral-trigger path (PWM -> ADC -> DMA) so that ADC sampling occurs at PWM-synchronized instants, which both reduces ripple pickup and gives deterministic loop timing. Ground stitching vias between analog and digital grounds at the ADC front-end help contain return currents.
This MPN has no CAN controller (per Mouser listing) - selecting it for a CAN-based system is a late-stage discovery that forces a PCB respin or an external CAN controller. Second, the device has multiple PGECx/PGEDx ICSP pairs; per Microchip programming documentation, clock and data must be taken from the same matched pair (e.g., PGEC2 with PGED2) or programming will fail. Third, plan dual-panel flash layout in the linker script from day one - retrofitting a bootloader into a full single-panel image is non-trivial.
合规信息
RoHS compliant per standard Microchip production status on distributor listings. The -H/PT variant is AEC-Q100 qualified per Microchip USA listing; this -E/PT part is not stated as AEC-Q100 qualified. Obtain formal REACH/halogen-free declarations from Microchip's compliance portal.
