DSPIC33CH64MP508T-I/PT - Dual-Core 16-bit DSC 80-TQFP | Microchip
料号： DSPIC33CH64MP508T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.95 | $6.95 |
| 10 | $6.4 | $64.00 |
| 100 | $5.75 | $575.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.85 | $4,850.00 |
DSPIC33CH64MP508T-I/PT 概述
A digital signal controller combines the peripheral set and control hardware of a microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. Within the power-management hierarchy, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the standard choice for closed-loop power conversion and motor control where deterministic loop execution matters.
Key features include the asymmetric dual-core architecture: the primary core manages application logic and communication while the secondary core is dedicated to time-critical control loops, communicating through a shared RAM mailbox. The family is optimized for high-performance digital power and sophisticated control algorithms, and the 33CH series carries Functional Safety (FuSa) support documentation per DigiKey.
The on-chip high-speed PWM, analog comparators, 12-bit ADC, and CAN connectivity enable single-chip digital power stages. The 80-pin TQFP provides sufficient GPIO for gate-drive, feedback, and supervisory signals in a 12x12 mm surface-mount footprint.
Typical applications include wireless charging transmitters, server power supplies, drone electronic speed controllers, automotive sensors, UPS systems, and digital lighting ballasts - all areas Microchip explicitly targets with this dual-core family.
Design consideration: dedicate the secondary core to the control loop and partition code at design time, since the two cores run at independent frequencies and the mailbox handshake must be budgeted into loop timing.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with prices as of 2026-09-22.
直接替换替代料： DSPIC33CH64MP508T-I/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： DSPIC33CH64MP508T-I/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Core Architecture, High-Resolution PWM, ADC.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CH64MP506T-I/PT
✅ 直接替换✓ 有现货
$2.74 / 个
查看数据手册 →DSPIC33CH128MP508-E/PT
✅ 直接替换✓ 有现货
$3.4 / 个
查看数据手册 →DSPIC33CH256MP508-I/PT
✅ 直接替换✓ 有现货
$5.84 / 个
查看数据手册 →DSPIC33CH512MP508T-I/PT
✅ 直接替换✓ 有现货
$4.22 / 个
查看数据手册 →DSPIC33CH64MP508T-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CH64MP508T-I/PT 最大额定值与电气特性
| Core | dsPIC33CH, 16-bit dual-core (primary + secondary) |
| 最大时钟频率 | 180 MHz / 200 MHz |
| Program Memory Size | 64 KB Flash (88 KB Flash, PRAM per FuSa listing) |
| Data RAM Size | 16 KB + 4 KB |
| 封装 | 80-TQFP (12x12 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (I grade) |
| Communication Interfaces | CAN, UART, SPI, I2C |
| Core Architecture | Asymmetric dual-core with shared RAM mailbox |
| Packaging | Tape & Reel (T suffix) |
| Safety Qualification | Functional Safety (FuSa) supported family |
| RoHS 状态 | Compliant |
| Target Applications | Digital power, motor control, wireless power, server PSUs, drones, automotive sensors |
DSPIC33CH64MP508T-I/PT 80-tqfp (12x12 mm) 引脚配置指南
DSPIC33CH64MP508T-I/PT（80-tqfp (12x12 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33CH64MP508T-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33CH64MP508T-I/PT 适用于 6 应用s: Digital Power Supplies, Wireless Power Transfer, Drone Motor Control, Server Power Supplies, Automotive Sensors, Industrial Motor Drives.
Digital Power Supplies
The DSPIC33CH64MP508T-I/PT fits digital power conversion because its asymmetric dual-core architecture separates the fast control loop from supervisory tasks: the secondary core executes voltage and current compensation at a deterministic rate while high-resolution PWM drives LLC, PFC, or buck power stages. Per Microchip, the family is explicitly optimized for high-performance digital power, including server power supplies. In a typical topology the 16 KB + 4 KB RAM holds multiple compensator instances and PMBus-style state machines, while CAN or UART on the primary core handles telemetry. The trade-off versus analog control is firmware complexity, offset by programmable gain scheduling and adaptive algorithms impossible in hard-wired loops.
推荐
Wireless Power Transfer
Wireless charging transmitters and receivers demand a controller that can run a frequency-tracking resonant loop and foreign-object detection simultaneously - exactly the split the DSPIC33CH64MP508T-I/PT provides. The secondary core closes the phase/frequency control loop into the full-bridge inverter at fixed rate, while the primary core manages Qi-protocol communication, object-detection sensing, and safety shutdowns. Microchip identifies wireless power as a core dsPIC33CH dual-core application. The 180-200 MHz primary core leaves ample margin for protocol stacks, and the 64 KB flash accommodates Qi firmware with bootloader headroom; larger designs can migrate pin-compatibly to 128/256/512 KB flash siblings on the same PCB.
推荐
Drone Motor Control
Drone electronic speed controllers benefit from the dual-core split: the secondary core runs field-oriented-control (FOC) current loops for the brushless motor while the primary core handles flight-controller telemetry, CAN or UART communication, and fault management. Microchip lists drones among target applications for the dsPIC33CH dual-core family. The 80-pin TQFP supplies enough PWM outputs, ADC inputs for three-phase current sensing, and GPIO for gate-drive enable signals in a 12x12 mm footprint suited to compact ESC boards. The industrial -40C to +85C range covers typical drone thermal envelopes; designs requiring extreme ambient can drop in the E-grade variant without PCB changes.
推荐
Server Power Supplies
Server PSUs and rack power shelves use the DSPIC33CH64MP508T-I/PT to close PFC and LLC conversion loops digitally while reporting status over CAN or UART to a baseboard management controller. Microchip explicitly names server power supplies as a dsPIC33CH dual-core application. The secondary core executes the hot control loops with deterministic timing; the primary core manages digital telemetry, hot-swap sequencing, and fault logging. The 88 KB flash/PRAM listing on DigiKey reflects the FuSa-supported memory configuration valued in safety-relevant power infrastructure. Compared with analog control, digital control enables adaptive efficiency optimization and remote firmware update - key server-PSU requirements.
推荐
Automotive Sensors
Microchip targets automotive sensor applications with the dsPIC33CH dual-core family, where one core runs the measurement/control loop and the other manages CAN networking and diagnostics. The DSPIC33CH64MP508T-I/PT's industrial-grade variant suits sensor modules outside the strict powertrain qualification envelope; for AEC-Q100-dependent designs, engineers should select Microchip automotive-qualified order codes within the dsPIC33 portfolio. The on-chip 12-bit-class ADC inputs, comparators, and CAN interface map directly onto position, pressure, and level-sensor signal chains. The 16 KB + 4 KB RAM supports oversampling, filtering, and plausibility checks executed in parallel with communication processing, shortening loop latency versus single-core scheduling.
推荐
Industrial Motor Drives
General industrial motor drives - conveyors, pumps, HVAC blowers - use the DSPIC33CH64MP508T-I/PT to run sensorless FOC on the secondary core while the primary core executes Modbus/CAN communication, ramp generation, and protective supervision. The dual-core separation guarantees that control-loop jitter is immune to communication-stack load, a common failure mode on single-core MCUs. The 80-pin TQFP provides PWM outputs for three-phase inverters plus ADC channels for DC-bus and phase-current feedback, and the industrial -40C to +85C rating suits cabinet-mounted drives. The Functional Safety (FuSa) support on the family eases documentation for machinery-safety assessments.
推荐
推荐产品汇总
工程参考数据： DSPIC33CH64MP508T-I/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 | DSPIC33CH64MP506T-I/PT | DSPIC33CH128MP508-E/PT | DSPIC33CH256MP508-I/PT | DSPIC33CH512MP508T-I/PT | DSPIC33CH64MP508T-E/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 128 KB | 256 KB | 512 KB | 64 KB |
| Core / Frequency | Dual-core dsPIC33CH, up to 180-200 MHz | Dual-core dsPIC33CH, up to 180-200 MHz | Dual-core dsPIC33CH, up to 180-200 MHz | Dual-core dsPIC33CH, up to 180-200 MHz | Dual-core dsPIC33CH, up to 180-200 MHz | Dual-core dsPIC33CH, up to 180-200 MHz |
| Temperature Range | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +85C | -40C to +85C | -40C to +125C (E grade) |
| CAN Interface | Yes | Yes | Yes | Yes | Yes | Yes |
| Packaging | Tape & Reel (T) | Tape & Reel | Tray (non-T) | Tray (non-T) | Tape & Reel | Tape & Reel |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
关键差异点
- Asymmetric dual-core architecture with dedicated control core （对比 DSPIC33CH64MP506T-I/PT)
- Pin-compatible flash upgrade path （对比 DSPIC33CH512MP508T-I/PT)
- Extended-temperature variant on the same die （对比 DSPIC33CH64MP508T-E/PT)
设计说明
Budget the 3.3V core supply with local decoupling: place 100 nF ceramic capacitors at each VDD pin pair of the 80-TQFP plus at least one 4.7-10 uF bulk capacitor near the package. Because the two cores can switch simultaneously, supply ripple shows up as timing jitter in the control loop; a clean AVDD feed (ferrite bead plus 1 uF) for analog peripherals such as the ADC improves effective resolution in digital power applications.
In dual-core designs, do not assume code compiled and profiled on the primary core behaves identically on the secondary core - the secondary core is dedicated to time-critical control and has its own clock configuration. Partition responsibilities at design time and size the shared RAM mailbox handshake into the control-loop period. Also verify your exact part number's flash size in the datasheet: distributor listings state both 64 KB (Mouser/Newark) and 88 KB flash/PRAM (DigiKey FuSa listing), so confirm against the Microchip ordering table before finalizing firmware size.
For the 80-TQFP 12x12 mm footprint, dedicate a solid ground plane under the device and route PWM outputs away from high-impedance ADC feedback traces to prevent digital coupling into analog measurements. Use series resistors (22-100 ohm) on PWM outputs driving long traces to gate drivers to damp ringing and reduce EMI. Keep the CAN transceiver close to the CAN pins with a stub-free topology; Microchip application notes on dsPIC33C digital power reference designs provide proven layout examples.
合规信息
Distributor listings (PCBElectronics, DigiKey) mark this part RoHS. Standard industrial-grade part; automotive-qualified order codes exist separately in the Microchip portfolio.