DSPIC33FJ64MC802-E/MM - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip
料号： DSPIC33FJ64MC802-E/MM ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.9 | $5.90 |
| 10 | $5.31 | $53.10 |
| 100 | $4.72 | $472.00 |
| 500 | $4.13 | $2,065.00 |
| 1,000 | $3.66 | $3,660.00 |
DSPIC33FJ64MC802-E/MM 概述
A digital signal controller combines the deterministic interrupt handling and peripherals of a microcontroller with the mathematical throughput of a DSP. Within the power-management hierarchy, the dsPIC33F family sits above general-purpose MCUs (such as the PIC18 series) and below 32-bit MCUs, targeting closed-loop control applications that rely on high-speed, repetitive computations. According to Microchip, the dsPIC33F devices are pin compatible with the PIC24HJ family and share a very high degree of compatibility with the dsPIC30F family, enabling seamless migration.
Key features include the modified Harvard 16-bit core with DSP engine (barrel shifter, 17-bit x 17-bit multiplier, 40-bit accumulator), motor-control PWM peripherals, and advanced analog-to-digital conversion. The -E temperature suffix guarantees operation from -40C to +125C, supporting under-hood and industrial environments.
The architecture couples a 16-bit instruction width with 16-bit wide data RAM and single-cycle MAC operations, making it well suited to field-oriented motor control where Clarke/Park transforms execute every PWM cycle. Hardware division, modulo addressing, and DO/REPEAT loops further accelerate control math.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, PFC, buck), and sensorless FOC algorithms requiring deterministic 40 MIPS throughput.
Design consideration: use the QFN exposed pad as the primary ground connection, soldered to a solid VSS copper pour, to minimize ground bounce during simultaneous PWM switching events.
This page synthesizes distributor pricing data, pin-compatible family alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： DSPIC33FJ64MC802-E/MM ——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： DSPIC33FJ64MC802-E/MM （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Operating Temperature, Supply Voltage, ADC.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ64MC802-I/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.25 / 个
查看数据手册 →DSPIC33FJ64MC202-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.95 / 个
查看数据手册 →DSPIC33FJ32MC302-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.95 / 个
查看数据手册 →DSPIC33FJ32MC202-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.6 / 个
查看数据手册 →DSPIC33FJ16MC304-E/PT-family 28-pin QFN equivalent DSPIC33FJ16MC304-E/MM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ64MC802-E/MM 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| 最大时钟频率 | 40 MHz |
| Performance | 40 MIPS |
| Program Memory (Flash) | 64KB (64K x 8) |
| 电源电压 | 3.3 V |
| 封装 | 28-QFN-S (6x6 mm), exposed pad |
| 引脚数量 | 28 |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40C to +125C (E grade) |
| Automotive Qualification | AEC-Q100 |
| Special Peripherals | Motor Control PWM, Advanced Analog, DSP engine |
| Family | dsPIC 33F Series |
| 特性 | Barrel shifter, boundary scan, 16-bit wide data RAM |
| Packaging Option | Tube (std) / Tape & Reel (DSPIC33FJ64MC802T-E/MM) |
| Max SRAM (family) | 16 KB (family maximum, per Microchip 16-bit DSC family datasheet) |
DSPIC33FJ64MC802-E/MM 引脚配置
| 引脚 1 | MCLR — Master clear reset (active low) / programming voltage input |
| 引脚 2 | AN0/VREF+/CN2B/RB0 — Analog input 0 / positive voltage reference |
| 引脚 3 | AN1/VREF-/CN3B/RB1 — Analog input 1 / negative voltage reference |
| 引脚 4 | AN2/SS1/CN4B/RB2 — Analog input 2 / SPI slave select |
| 引脚 5 | AN3/INDX/CN5B/RB3 — Analog input 3 / encoder index |
| 引脚 6 | AN4/QEA/IC7/CN6B/RB4 — Analog input 4 / encoder phase A / input capture 7 |
| 引脚 7 | VDD — Positive supply (3.3V) |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock input |
| 引脚 10 | OSC2/CLKO/CN29/RA3 — Oscillator crystal output / clock output |
| 引脚 11 | AN5/QEB/IC8/CN7B/RB5 — Analog input 5 / encoder phase B / input capture 8 |
| 引脚 12 | AN6/OCA/RPI32/CN8B/RB6 — Analog input 6 / comparator output A |
| 引脚 13 | AN7/OCB/RPI33/CN9B/RB7 — Analog input 7 / comparator output B |
| 引脚 14 | VSS — Ground reference |
| 引脚 15 | AN8/RPI34/CN10B/RB8 — Analog input 8 |
| 引脚 16 | AN9/RPI35/CN11B/RB9 — Analog input 9 |
| 引脚 17 | AN10/CVREF/RTCC/RP10/CN12B/RB10 — Analog input 10 / comparator voltage reference / RTCC |
| 引脚 18 | AN11/FLTA/REFO/RP11/CN13B/RB11 — Analog input 11 / PWM fault A / reference clock output |
| 引脚 19 | PGD/EMUD/AN12/RP12/CN15B/RB12 — ICSP data / debug channel / analog input 12 |
| 引脚 20 | PGC/EMUC/AN13/RP13/CN16B/RB13 — ICSP clock / debug channel / analog input 13 |
| 引脚 21 | AN14/C1RX/RP14/CN17B/RB14 — Analog input 14 / ECAN1 receive |
| 引脚 22 | AN15/C2TX/UPDN/RP15/CN18B/RB15 — Analog input 15 / ECAN2 transmit / quadrature up-down |
| 引脚 23 | AVSS — Analog ground |
| 引脚 24 | AVDD — Analog supply (3.3V) |
| 引脚 25 | RP29/RF5 — Programmable peripheral I/O pin (RP29) |
| 引脚 26 | RP30/RF4 — Programmable peripheral I/O pin (RP30) |
| 引脚 27 | VDD — Positive supply (3.3V) |
| 引脚 28 | VSS — Ground reference / exposed pad connection |
典型应用
DSPIC33FJ64MC802-E/MM 适用于 6 应用s: BLDC / PMSM Motor Control, Digital Power Supplies (LLC, PFC, Buck), Automotive Auxiliary Drives and Body Control, Industrial Drives and Automation, Battery-Powered Portable Equipment, Sensor Signal Processing and Embedded Control.
BLDC / PMSM Motor Control
The DSPIC33FJ64MC802-E/MM is purpose-built for precision motor control: its 40 MIPS 16-bit core with single-cycle MAC executes a complete field-oriented control (FOC) algorithm - Clarke and Park transforms plus PID current regulation and space-vector PWM - within each PWM cycle. The dedicated motor-control PWM peripheral provides complementary outputs with programmable dead time and fault inputs for overcurrent protection. Mounted on the inverter control board with the ADC synchronized to the PWM period, it samples phase currents at the PWM center for noise-free readings. The AEC-Q100 -E grade supports automotive traction-auxiliary and pump applications.
推荐
Digital Power Supplies (LLC, PFC, Buck)
Digital power conversion requires deterministic loop closure at switching frequency, which the 40 MIPS dsPIC33F core provides: voltage-mode or average-current-mode control laws execute in a few microseconds, well within 100 kHz-to-500 kHz switching periods. The high-speed ADC with multiple sample-and-hold inputs captures output voltage and inductor current simultaneously, while the PWM module supports complementary outputs, dead-time insertion, and cycle-by-cycle current limiting. The 64KB FLASH holds compensation code, soft-start state machines, and PMBus-style communication stacks concurrently, making a single DSC replace several analog controllers.
推荐
Automotive Auxiliary Drives and Body Control
With AEC-Q100 qualification and -40C to +125C operation, the DSPIC33FJ64MC802-E/MM suits automotive auxiliary motor loads: radiator fans, fuel pumps, window lifters, and HVAC blowers. The automotive supply environment demands robust ESD tolerance, wide temperature margins, and deterministic fault handling - the PWM fault pin can trip outputs within a single cycle on overcurrent, and MCLR-based supervision resets the core cleanly during crank transients. Distributor listings from Lisleapex and Hotenda confirm the part's positioning in automotive AEC-Q100 applications requiring extended temperature operation.
推荐
Industrial Drives and Automation
In factory automation, the DSC controls conveyors, robotic joints, and servo axes where sensorless FOC reduces bill-of-material cost by eliminating encoders. The DSP engine's modulo and bit-reversed addressing accelerate FFT-based parameter identification, while 64KB FLASH stores multiple motion profiles and fieldbus firmware. Dual UART/SPI/I2C ports interface with PLC gateways, and boundary-scan support eases production test. The 28-pin QFN conserves PCB area inside compact drive modules, and the exposed-pad ground connection controls switching noise injected into nearby analog sensing circuits.
推荐
Battery-Powered Portable Equipment
Operating from a single 3.3V rail, the DSPIC33FJ64MC802-E/MM fits battery-powered tools, drones, and portable instruments where it manages brushed or brushless motor speed and monitors pack voltage via its advanced analog inputs. The 16-bit architecture delivers 40 MIPS without the complexity of external DSP chips, and the QFN-28 6x6 mm footprint keeps controller real estate minimal in handheld form factors. PWM resolution supports quiet low-speed fan or pump control, while the E-grade temperature range tolerates enclosed, thermally stressful enclosures typical of power tools.
推荐
Sensor Signal Processing and Embedded Control
Beyond motor control, the DSP engine accelerates filtering and spectral analysis for sensor nodes: single-cycle 17x17 multiplication implements FIR/IIR filters on vibration, pressure, or ultrasonic signals in real time. The advanced analog ADC front end samples multiple channels with programmable conversion sequencing, and the 64KB FLASH accommodates calibration tables plus self-diagnostics. The dsPIC33F's compatibility with the PIC24HJ and dsPIC30F families lets teams migrate existing codebases forward, as Microchip documents, reducing software requalification effort when upgrading legacy sensor platforms to this 40 MIPS device.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ64MC802-E/MM ——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 | DSPIC33FJ64MC802-I/MM | DSPIC33FJ64MC202-E/MM | DSPIC33FJ32MC302-E/MM | DSPIC33FJ32MC202-E/MM |
|---|---|---|---|---|---|
| Package | QFN-28-S 6x6 mm exposed pad | QFN-28-S 6x6 mm - same | QFN-28-S 6x6 mm - same | QFN-28-S 6x6 mm - same | QFN-28-S 6x6 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 40 MIPS @ 40 MHz | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Flash | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C | -40C to +125C | -40C to +125C |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Motor-Control PWM | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Extended automotive temperature range with AEC-Q100 （对比 DSPIC33FJ64MC802-I/MM)
- Largest FLASH in the 28-pin MC80x pin-compatible group （对比 DSPIC33FJ32MC302-E/MM)
- DSP engine with single-cycle MAC （对比 PIC24HJ pin-compatible family)
设计说明
The QFN-28 (6x6 mm) exposed pad is the primary device ground. Solder it to a solid VSS pour with an array of thermal vias (minimum 3x3 grid, 0.3 mm diameter) to the inner ground plane. The periphery-only gull-wing leads cannot alone provide a low-inductance ground path; relying on them causes ground bounce during simultaneous PWM edge switching and ADC conversion errors. Verify reflow profile per Microchip QFN assembly guidelines for voiding under the pad below 25%.
Decouple VDD (pins 7, 27) and AVDD (pin 24) independently: place a 0.1 uF X7R ceramic within 2 mm of each VDD pin and a 10 uF bulk capacitor near the supply entry. Keep AVSS (pin 23) tied to a quiet analog ground island connected to the main VSS pour at a single point near the device. This split prevents PWM switching currents from corrupting ADC readings taken from phase-current shunts.
Verify the temperature grade when qualifying alternate sources: the DSPIC33FJ64MC802-I/MM is a die-identical drop-in but is rated only to +85C - substituting it into an automotive +125C design is a reliability violation even though the footprint matches. Also confirm oscillator configuration fuses before first power-up: an incorrect OSC mode selection can leave CLKI floating and complicate ICSP recovery; route MCLR (pin 1) to the programming header regardless of application use.
The RP29/RP30 (pins 25/26) remappable peripheral pins allow UART, SPI, or PWM relocation in software - plan this flexibility early so high-current PWM traces stay short and away from the analog inputs on RB0-RB15. Route phase-current feedback to AN pins on an inner layer shielded by ground, and use the ADC simultaneous-sampling mode synchronized to the PWM center point to avoid switching-edge noise in current measurements.
合规信息
AEC-Q100 automotive qualification confirmed by DigiKey, Hotenda, and Lisleapex distributor listings. RoHS/REACH/lead-free status not stated in the provided data - confirm on the Microchip product page.
