DSPIC33EP64MC202T-E/MM - 16-bit 60 MIPS DSC 64KB Flash | Microchip
MPN： DSPIC33EP64MC202T-E/MM ✓ 啟用中DSPIC33EP64MC202T-E/MM 概覽
A digital signal controller combines the peripheral set and ease of use of a microcontroller with the computational throughput of a DSP core. Within the power-management hierarchy of embedded systems, the dsPIC DSC sits above basic MCUs and below full DSPs, making it the preferred choice whenever deterministic control loops, fast math, and rich peripherals must coexist in a single chip. The dsPIC33EP family extends this concept with an enhanced architecture that executes most instructions in a single cycle.
Key features include a 16-bit dsPIC core running at up to 60 MIPS, 64KB of self-programmable FLASH, serial connectivity via I2C, SPI, UART/USART, IrDA and LIN bus, and Quadrature Encoder Interface (QEI) inputs tailored to motor feedback. The MC (motor control) peripheral variant adds high-speed PWM capability that is central to its positioning.
Architecturally, the device uses a modified Harvard 16-bit core with DSP engine support (multiply-accumulate, barrel shifter, modulo and bit-reversed addressing), enabling precision control algorithms such as field-oriented motor control and digital power conversion at deterministic loop rates.
Typical applications include brushless DC and PMSM motor drives, digital power supplies, automotive auxiliary motor control, and industrial sensing and actuation nodes, where the QEI and PWM peripherals close control loops without external components.
Design consideration: the 3.0V to 3.6V supply range requires a regulated 3.3V rail; budget decoupling and the exposed thermal pad solder connection carefully for reliable ground return in high-PWM-switching designs.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC202T-E/MM — 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： DSPIC33EP64MC202T-E/MM （相同外形與佔位） — 差異在於 Core, Program Memory Size, RAM Size, Package, Operating Temperature.
DSPIC33EP64MC202T-I/MM
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP64GP502-I/MM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP32MC202T-E/MM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP32MC202-E/MM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP128MC202T-E/MM
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC202T-E/MM 最大額定值與電氣特性
| Core | dsPIC33EP 16-bit DSC |
| Core Size | 16-bit |
| Speed | 60 MIPS (60 MHz) |
| Program Memory Size | 64KB (22K x 24) FLASH |
| RAM Size | 8KB |
| 供應電壓 | 3 V to 3.6 V |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus, QEI |
| 封裝 | 28-QFN-S (6x6 mm), exposed pad |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +125C (E grade) |
| Qualification | AEC-Q100 (Automotive) |
| Applications | Automotive, Precision Motor Control |
| Program Memory Type | FLASH |
| Packaging | Tape & Reel (T suffix) |
| Life Cycle Stage | ACTIVE |
DSPIC33EP64MC202T-E/MM 28-qfn-s (6x6 mm), exposed pad 腳位配置指南
DSPIC33EP64MC202T-E/MM（28-qfn-s (6x6 mm), exposed pad 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： DSPIC33EP64MC202T-E/MM.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC202T-E/MM 適用於 6 應用s: BLDC/PMSM Motor Drives, Digital Power Supplies, Automotive Auxiliary Motor Control, Industrial Sensing and Actuation Nodes, Battery-Powered Portable Tools, Robotics and Servo Drives.
BLDC/PMSM Motor Drives
The DSPIC33EP64MC202T-E/MM fits brushless DC and permanent-magnet synchronous motor control because its MC variant integrates a high-speed PWM module and a Quadrature Encoder Interface, closing position and current loops without external controllers. The 60 MIPS 16-bit DSP core executes field-oriented control with single-cycle multiply-accumulate, supporting loop rates of several kHz with deterministic latency. Used as the sole control IC driving a three-phase gate-driver stage, the QFN-28 footprint keeps the controller compact near the power stage. The trade-off versus a pure gate-driver+MCU pair is a single-vendor toolchain dependency, gained back by firmware flexibility for sensorless or sensored schemes.
推薦
Digital Power Supplies
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EP64MC202T-E/MM replaces analog control loops with firmware PID compensation. The high-speed PWM supports complementary outputs with dead-time insertion for half-bridge and full-bridge topologies, while the 16-bit core's DSP engine executes the compensation and nonlinear limiting math each switching cycle. Running the control loop at up to 60 MIPS allows switching frequencies in the hundreds of kHz with multiple-sample averaging via the on-chip ADC. Because the part operates from a single 3.0-3.6V rail, an auxiliary low-dropout regulator or bias winding supplies it, isolated or non-isolated per the power architecture.
推薦
Automotive Auxiliary Motor Control
AEC-Q100 qualification and the -40C to +125C E temperature grade make the DSPIC33EP64MC202T-E/MM suitable for automotive pumps, cooling fans, HVAC actuators, and throttle-by-wire auxiliary drives. The LIN bus interface supports in-vehicle network commands alongside local closed-loop motor control executed entirely on-chip, reducing CAN/LIN traffic. The 60 MIPS core runs diagnostic tasks (stall detection, over-current response) in parallel with the control loop. Design-in consideration: implement the supply input with load-dump-rated transient protection, since the 3.0-3.6V controller rail must be derived from the 12V battery rail through a regulated, protected stage.
推薦
Industrial Sensing and Actuation Nodes
Factory sensors and actuator nodes benefit from the DSPIC33EP64MC202T-E/MM's combination of multiple serial interfaces (I2C, SPI, UART), QEI for encoder-based position feedback, and a 16-bit DSP core for filtering and calibration math. A single QFN-28 device can read an SPI sensor, apply digital filtering, drive a PWM-controlled actuator, and report status over UART or LIN, replacing a two-chip MCU-plus-DSP architecture. The 64KB FLASH accommodates protocol stacks plus calibration tables. The exposed-pad QFN provides solid ground return for noisy industrial environments, though layouts should segregate analog and switching grounds per Microchip layout guidance.
推薦
Battery-Powered Portable Tools
Cordless tool and portable equipment motor drives use the DSPIC33EP64MC202T-E/MM to implement sensorless BLDC control with efficiency-focused algorithms, extending battery runtime. The low peripheral-count QFN-28 solution conserves board area inside handle-form-factor housings, and the 60 MIPS core headroom enables adaptive commutation and torque-limiting routines that respond within one PWM cycle. Firmware-based protection (over-current, locked-rotor, thermal derating) replaces discrete protection circuitry. Power budget note: the controller rail should be generated from the battery pack with a wide-input buck or LDO rated for the pack's full voltage swing, including charged and fully depleted conditions.
推薦
Robotics and Servo Drives
Robot joint and servo drive designs exploit the QEI inputs for incremental encoder feedback and the high-speed PWM for H-bridge control, allowing one DSPIC33EP64MC202T-E/MM per axis. The 16-bit DSP engine runs cascaded position-velocity-current loops at rates unattainable on general-purpose MCUs, and the 64KB FLASH holds trajectory interpolation alongside the control stack. Multiple axes coordinate over UART or LIN to a higher-level controller. The compact 6x6 mm QFN fits dense multi-axis boards; ensure the exposed pad connects to a low-impedance ground plane to keep PWM switching noise out of the encoder signal path.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC202T-E/MM — 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 | DSPIC33EP64MC202T-I/MM | DSPIC33EP64GP502-I/MM | DSPIC33EP32MC202T-E/MM | DSPIC33EP128MC202T-E/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm), exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS (60 MHz) | 70 MIPS max family rating | 60 MIPS | 60 MIPS | 60 MIPS |
| FLASH Program Memory | 64KB (22K x 24) | 64KB (22K x 24) | 64KB | 32KB | 128KB |
| Peripheral Set Focus | Motor Control (high-speed PWM, QEI) | Motor Control - same | General Purpose | Motor Control - same | Motor Control - same |
| Temperature Grade | -40C to +125C (E, AEC-Q100) | Industrial (I) | Industrial (I) | -40C to +125C (E) | -40C to +125C (E) |
主要差異化特點
- AEC-Q100 automotive qualification with -40C to +125C range (對比DSPIC33EP64MC202T-I/MM)
- Motor-control peripheral set (high-speed PWM + QEI) in 28 pins (對比DSPIC33EP64GP502-I/MM)
- Balanced 64KB memory density (對比DSPIC33EP32MC202T-E/MM)
設計說明
The DSPIC33EP64MC202T-E/MM requires a regulated 3.0-3.6V supply with 3.3V nominal. In motor-drive boards where the same 3.3V rail serves the MCU and gate-driver logic, estimate: MCU core + I/O current is typically tens of mA; verify against the datasheet electrical characteristics table and size the LDO or buck accordingly with at least 30 percent margin. Decouple each VDD pin pair with 0.1uF ceramics placed within 2 mm of the pin, plus 4.7-10uF bulk near the device. Enable brown-out reset so PWM outputs are forced safe during supply sag.
Solder the exposed pad of the 28-QFN-S package to a solid ground plane with an array of thermal vias. Beyond heat removal, the pad is the principal ground return for the high-frequency PWM switching currents - a floating or poorly wetted pad causes ground bounce that corrupts ADC readings and encoder counts. Inspect stencil design for the center pad (approximately 70-80 percent coverage recommended) to avoid voiding. Segregate analog sensor grounds from power-stage grounds and join them at a single point under the controller.
Two frequent mistakes: (1) ordering the I-grade variant when the design requires the E-grade AEC-Q100 automotive qualification - the suffix is easy to miss on POs; (2) exceeding 64KB of program memory late in development. Because pin-compatible family members exist in 32KB and 128KB densities, mitigate by compiling with map-file tracking early and reserving the 128KB DSPIC33EP128MC202T-E/MM as a no-rework upgrade path. Also note that Peripheral Pin Select mapping must be locked in firmware before enabling motor-control PWM to avoid accidental I/O conflicts.
合規資訊
AEC-Q100 qualification confirmed via Microchip USA listing; the part is categorized under 'Automotive, AEC-Q100, dsPIC 33EP Series' by Hotenda. RoHS/REACH status not stated in provided data - verify on the Microchip product page.
