DSPIC33EP512GP502-H/MM - 16-bit DSC 70 MIPS 512KB Flash | Microchip
MPN： DSPIC33EP512GP502-H/MM ✓ 啟用中DSPIC33EP512GP502-H/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, sitting in the product hierarchy between general-purpose MCUs (such as the PIC16 family) and full DSPs. Within Microchip's portfolio, the dsPIC33E family serves embedded control applications that need math-intensive loops - digital power conversion, motor control, and digital filtering - while retaining an MCU-style programming model supported by the MPLAB X IDE and XC16 compiler toolchain.
Key features of the dsPIC33EP512GP502 include a high-speed 16-bit pipeline core, high-speed PWM outputs for power conversion, integrated operational amplifiers and advanced analog peripherals, a 12-bit ADC with superior performance, CAN 2.0B communication, a Charge Time Measurement Unit (CTMU) for capacitive touch and time measurement, and a Peripheral Trigger Generator (PTG) for autonomous, high-end operation. Web data for the family also cites four DMA channels, five timers, and three external interrupt sources.
The EP-series device operates from a 3.0 V to 3.6 V supply with the -H temperature option, and the family offers an extended 125C temperature option for harsh environments. The 28-QFN footprint with exposed pad provides good thermal and electrical performance in a compact 6x6 mm area, suiting space-constrained power electronics boards.
Typical applications include digital power supplies ( LLC, buck/boost, PFC stages), brushless DC and PMSM motor control, digital lighting ballasts, battery chargers, and industrial sensing front-ends that leverage the on-chip op amps and CTMU.
Design consideration: the 70 MIPS rating is achieved with PLL multiplication from an external crystal or internal FRC oscillator - budget PCB real estate for a clean 3.3 V rail and proper VDD/VSS decoupling near the exposed thermal pad, and confirm the -H operating temperature range against your worst-case enclosure temperature before finalizing the design.
This page synthesizes verified distributor listings, drop-in family alternatives, and practical design guidance in one place - value beyond the raw manufacturer datasheet. Pricing and stock shown here are as of 2026-09-25.
直接替換替代品，適用於 DSPIC33EP512GP502-H/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： DSPIC33EP512GP502-H/MM （相同外形與佔位） — 差異在於 Package, CPU Speed, Core, Operating Temperature, PWM.
DSPIC33EP512GP502-I/MM
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP512GP502T-E/MM
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP256GP502/MM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP128GP502/MM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP32GP502T-E/MM
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP512GP502-H/MM 最大額定值與電氣特性
| Core Architecture | 16-bit DSC (DSP + MCU) |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 512 KB |
| Data RAM | 48 KB |
| 封裝 | 28-QFN-S (6x6 mm) with exposed pad, suffix /MM |
| 安裝類型 | Surface Mount |
| DMA Channels | 4 |
| Timers | 5 |
| External Interrupts | 3 |
| Peripherals | Hi-Speed PWM, Op Amps, CTMU, CAN, PTG |
| 生命週期狀態 | In Production (per Microchip product page) |
| Process Technology | CMOS |
DSPIC33EP512GP502-H/MM 28-qfn-s (6x6 mm) with exposed pad, suffix /mm 腳位配置指南
DSPIC33EP512GP502-H/MM（28-qfn-s (6x6 mm) with exposed pad, suffix /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： DSPIC33EP512GP502-H/MM.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP512GP502-H/MM 適用於 6 應用s: Digital Power Supplies, Brushless DC and PMSM Motor Control, Industrial Sensing and Instrumentation, CAN Networking and Automation Nodes, Battery Chargers and Power Management, Capacitive Touch and User Interfaces.
Digital Power Supplies
The DSPIC33EP512GP502-H/MM fits digital power conversion because it pairs a 70 MIPS DSP core with high-speed PWM peripherals whose resolution and dead-time control support peak-current-mode and voltage-mode control of buck, boost, LLC, and PFC topologies. The on-chip op amps can condition current-shunt or current-transformer signals before the ADC, saving external amplifier stages on a cost-sensitive power board. In use, the controller samples voltage and current every switching cycle, executes PID or 3p3z compensation in firmware, and updates PWM duty cycles within the same period. The Peripheral Trigger Generator can fire the ADC synchronized to PWM events without CPU overhead, tightening control-loop latency. The trade-off versus an analog controller is firmware effort and the need for careful VDD decoupling near the exposed pad to keep switching noise out of the analog front end.
推薦
Brushless DC and PMSM Motor Control
For sensorless BLDC and PMSM drives, the DSPIC33EP512GP502-H/MM offers the three resources motor control demands: high-speed PWM with complementary outputs and programmable dead time, a fast ADC triggered from the PWM module, and DSP multiply-accumulate throughput for field-oriented control (FOC) math. Running at 70 MIPS, the core executes current-loop FOC at typical 10-20 kHz rates with margin for speed-loop and protection code. The 28-pin QFN-S 6x6 mm footprint suits compact drive boards for fans, pumps, and power tools. Back-EMF or shunt sensing uses the on-chip op amps for signal conditioning, and four DMA channels offload ADC sample transfer. Design consideration: on this 28-pin device, budget the reduced pin count carefully - multiplexed PWM, comparator, and communication functions share pins, so map the peripheral pin selection early in the schematic stage.
推薦
Industrial Sensing and Instrumentation
Industrial sensing front-ends benefit from the dsPIC33EP512GP502-H/MM's advanced analog suite: on-chip operational amplifiers buffer sensor outputs, the CTMU supports precise time and capacitive measurements, and the ADC with DMA streams conversion results without CPU intervention. The 512 KB Flash accommodates calibration tables, linearization curves, and communication stacks (CAN 2.0B plus UART/SPI/I2C), while 48 KB RAM buffers sample windows for digital filtering at 70 MIPS. Typical deployments include pressure and flow transmitters, weigh scales, and condition-monitoring nodes on factory CAN buses. The 28-QFN-S package with exposed pad provides low-impedance grounding that helps analog accuracy when the PCB dedicates a solid ground plane under the part. Verify the -H temperature grading against the enclosure environment; the -I and -E graded siblings cover industrial and extended ranges respectively.
推薦
CAN Networking and Automation Nodes
Automation nodes and CAN-based control networks are a natural fit: the dsPIC33EP512GP502-H/MM integrates CAN 2.0B with hardware message buffering, offloading frame handling from the CPU and supporting deterministic communication on PLC-style or vehicle-adjacent buses. The 70 MIPS core processes protocol layers, application logic, and local control loops concurrently, while three external interrupts handle fast limit-switch or encoder events. With 512 KB Flash, the device holds a full application plus diagnostic logging and firmware-update bootloaders - important for field-maintained industrial equipment. In a typical node, the DSC reads sensors via its ADC and CTMU, runs local control, and publishes telemetry on CAN; DMA and the PTG keep sampling periodic without jitter. Design note: route the CAN transceiver close to the controller pin pair and observe proper stub length to preserve signal integrity at 1 Mbps.
推薦
Battery Chargers and Power Management
Smart battery chargers need synchronized PWM generation, precise current/voltage measurement, and communication for state reporting - all present on the DSPIC33EP512GP502-H/MM. High-speed PWM generates the converter switching waveforms for CC/CV charging profiles, the ADC with DMA captures current and pack-voltage samples each cycle, and the on-chip op amps amplify shunt signals to the ADC range, removing external amplifiers. The 70 MIPS core runs charging state machines, safety supervision (over-temperature, over-current cutoffs), and optional SMBus/UART reporting simultaneously. The 28-QFN-S 6x6 mm package suits compact charger PCBs for power tools, e-bikes, and industrial packs. A key trade-off: firmware-based protection executes in microseconds rather than the nanosecond response of a dedicated hardware protection IC, so retain hardware comparators or fuses for hard-fault scenarios.
推薦
Capacitive Touch and User Interfaces
The dsPIC33EP512GP502-H/MM implements capacitive touch using the integrated CTMU (Charge Time Measurement Unit), which measures charge time on touch pads with the ADC capturing results - a standard Microchip mTouch-style architecture. The 70 MIPS core runs touch-decay filtering, baseline tracking, and multi-key decoding alongside the main application, allowing buttons and sliders to coexist with control loops on one device. This consolidation suits appliance panels, industrial HMI nodes, and lighting controls where a separate touch controller would add cost. The 28-pin budget constrains how many direct keys are practical, so consider matrix or proximity techniques for larger interfaces. The -H grading of this specific part should be checked against the panel's operating environment; -I and -E graded variants of the same die cover industrial and extended temperatures on the identical 28-QFN-S footprint.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP512GP502-H/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 | DSPIC33EP512GP502-I/MM | DSPIC33EP512GP502T-E/MM | DSPIC33EP256GP502/MM | DSPIC33EP32GP502T-E/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) /MM | 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 |
| Flash Program Memory | 512 KB | 512 KB | 512 KB | 256 KB | 32 KB |
| Maximum CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Peripherals | Hi-Speed PWM, Op Amps, CAN, CTMU, PTG | Identical | Identical | Identical | Identical |
主要差異化特點
- Maximum family memory in the compact 28-pin footprint (對比DSPIC33EP32GP502T-E/MM)
- Extended-temperature drop-in option (對比DSPIC33EP512GP502T-E/MM)
- Same footprint cost-down path (對比DSPIC33EP256GP502/MM)
設計說明
Provide a clean 3.3 V rail with local decoupling: place 100 nF ceramic capacitors at each VDD pin pair and a 4.7-10 uF bulk capacitor within a few millimeters of the 28-QFN-S package. The exposed pad under the QFN should be soldered to a grounded copper pour - it is both the thermal path and the main low-inductance ground return, critical when the 70 MIPS core switches alongside fast PWM edges. Split noisy power-stage grounds from the analog ground under the ADC/op-amp pins, joining at a single point near the exposed pad.
The /MM QFN-S footprint has a 0.5 mm pitch; extend the exposed-pad stencil in a cross or window pattern to control solder voiding and verify with X-ray on first articles. Keep the oscillator traces short and guarded, and route PWM outputs away from analog sense lines to prevent coupling that appears as ADC noise. Confirm the exact pin functions against the current Microchip datasheet pin diagram before release - dsPIC33E peripherals are heavily multiplexed and pin-select options change between family members.
Ordering-code traps: the -H, -I, -E suffixes denote different temperature gradings of the same die, and T denotes tape-and-reel - confirm the grade matches your worst-case environment before production. The 70 MIPS rating requires PLL configuration; verify startup behavior from the internal FRC versus external crystal in firmware. Finally, when substituting lower-Flash family members (256/128/32 KB), update the linker script and validate code size with margin, not just a successful compile.
合規資訊
Compliance data for the -H/MM suffix was not present in the verified sources. Confirm RoHS/REACH status on the Microchip product page compliance tab or request a certificate of conformity from the distributor.
