dsPIC33EP512GM306-I/PT - 70 MIPS DSC, 512KB Flash, 64-TQFP | Microchip
부품 번호: dsPIC33EP512GM306-I/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $10.03 | $10.03 |
| 10 | $9.42 | $94.20 |
| 100 | $8.74 | $874.00 |
| 500 | $7.91 | $3,955.00 |
| 1,000 | $7.18 | $7,180.00 |
dsPIC33EP512GM306-I/PT 개요
A Digital Signal Controller (DSC) is a hybrid class of microcontroller that combines a deterministic MCU control pipeline with a hardware DSP multiply-accumulate (MAC) engine. In the taxonomy, a DSC sits between a microcontroller (MCU) and a digital signal processor (DSP); it executes control code C-friendly while accelerating math-heavy signal processing kernels such as Field Oriented Control (FOC), digital PID, and FFT. The dsPIC33EP 'GM' sub-family is specifically designed for motor control and digital power, integrating up to four op-amps, multiple PWMs with dead-time control, and high-speed 10/12-bit ADCs.
Key features of the dsPIC33EP512GM306-I/PT include twelve PWM channels with flexible triggering, eight 16-bit timers, four on-chip op-amps for current sensing in motor feedback loops, two 12-bit ADCs with up to 16 simultaneous sample-and-hold channels reaching 3.25 MSPS, and dual comparators. The device also integrates a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing, a 16-bit Peripheral Pin Select (PPS) I/O remapping engine, and multiple UART/SPI/I2C/CAN interfaces. Its 16-channel DMA controller offloads data movement for deterministic, low-latency control loops.
Architecture is built on a 16-bit modified Harvard bus with separate program and data paths and a hardware DSP engine. With a 140 MHz CPU clock (70 MIPS), the MAC unit executes single-cycle 16x16-bit multiplies with 40-bit accumulator, ideal for high-bandwidth control loops in PMSM/BLDC drives and power conversion. The integrated op-amps and comparators form the feedback analog front-end, eliminating an external current-sense amplifier chain and improving noise immunity.
Typical applications include field-oriented control of PMSM and BLDC motors (drone ESCs, EV traction, HVAC compressors), digital power stage control for AC/DC and DC/DC converters, solar micro-inverters, servo drives, industrial automation controllers, sensorless motor control using BEMF or shunt-based observers, and high-speed signal acquisition front-ends. Audio and ultrasonic sensing are also enabled by the dual-ADC simultaneous sampling and the DSP MAC.
When designing with this device, allocate the 64-pin budget between motor power signals (PWM H/L pairs, gate-driver EN lines), analog feedback (current shunts, BEMF dividers routed through the on-chip op-amps), and communication (CAN, UART, I2C for sensors and host MCU). Decouple VDD/VSS pairs as documented in the family datasheet; route AVDD separately from DVDD to keep ADC noise below 1 LSB. A JTAG/ICSP header is recommended for in-circuit debugging using MPLAB X IDE.
This page synthesizes distributor pricing, drop-in design options, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the dsPIC33EP512GM306-I/PT for next-generation motor-control and digital-power designs.
드롭인 대체품: dsPIC33EP512GM306-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: dsPIC33EP512GM306-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, Core Architecture, Operating Temperature, ADC, Program Memory (Flash).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33EP256GM306-I/PT
✅ 드롭인✓ 재고 있음
$4.61 / 개
데이터시트 보기 →DSPIC33EP512GM604-I/PT
✅ 드롭인✓ 재고 있음
$7.4 / 개
데이터시트 보기 →DSPIC33EP512GM310-I/PT
✅ 드롭인✓ 재고 있음
$6.45 / 개
데이터시트 보기 →DSPIC33EP512MC506-I/PT
✅ 드롭인✓ 재고 있음
$5.37 / 개
데이터시트 보기 →DSPIC33EP256GP504-I/ML
✅ 드롭인✓ 재고 있음
$5.68 / 개
데이터시트 보기 →STM32G431RBT6
✅ 드롭인✓ 재고 있음
$3.65 / 개
데이터시트 보기 →dsPIC33EP512GM306-I/PT 최대 정격 & 전기적 특성
| Core | dsPIC33E 16-bit DSC with DSP MAC engine |
| CPU Clock Speed | 140 MHz |
| Performance | 70 MIPS (16-bit instructions) |
| Program Memory (Flash) | 512 KB |
| Data Memory (SRAM) | 48 KB |
| Operating Voltage Range | 3.0 V to 3.6 V |
| 동작 온도 | -40C to +85C (Industrial, I grade) |
| 패키지 | 64-pin TQFP (10x10 mm), suffix /PT |
| PWM Channels | 12 (motor-control PWM with dead-time) |
| Timers | 8 x 16-bit timers |
| On-chip Op-Amps | 4 (for current sensing / analog front-end) |
| ADC | 2 x 12-bit SAR, up to 16 channels, 3.25 MSPS, 4 simultaneous S&H |
| Comparators | 2 |
| CTMU | Charge Time Measurement Unit for capacitive sensing |
| DMA Channels | 16 |
| Peripheral Pin Select (PPS) | Yes (16-bit I/O remap) |
| Communication | UART, SPI, I2C, ECAN, USB-OTG (varies by variant) |
| RoHS | Compliant |
dsPIC33EP512GM306-I/PT 64-pin tqfp (10x10 mm), suffix /pt 핀 구성 가이드
dsPIC33EP512GM306-I/PT(64-pin tqfp (10x10 mm), suffix /pt 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: dsPIC33EP512GM306-I/PT.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
dsPIC33EP512GM306-I/PT 적합 용도: 7 애플리케이션s: Field-Oriented Control (FOC) of PMSM/BLDC Motors, Digital Power Conversion (AC/DC and DC/DC), Solar Micro-Inverters and String Inverters, Drone ESCs and UAV Motor Controllers, Industrial Servo Drives and CNC Spindles, Automotive Aftermarket (Pumps, Fans, HVAC Compressors), Sensorless FOC Refrigeration Compressors.
Field-Oriented Control (FOC) of PMSM/BLDC Motors
The dsPIC33EP512GM306-I/PT executes FOC on PMSM and BLDC motors with single-cycle DSP MAC operations enabling control loop rates above 20 kHz for smooth torque ripple, high efficiency (often >95%) and quiet motor operation. Its 4 on-chip op-amps directly sense phase currents via shunt resistors without external amplifiers, while dual 12-bit ADCs sample all three phase currents simultaneously (3.25 MSPS) for accurate Park/Clarke transforms. Place the DSC between the power inverter (MOSFET/IGBT half-bridges) and the host controller; firmware uses the MPLAB Harmony Motor Control FOC library which is ready-tested on the GM306. Trade-off vs MC sub-family: more op-amps reduce BOM and PCB area by ~6 mm sq versus discrete current-sense amplifier chains.
추천
Digital Power Conversion (AC/DC and DC/DC)
In AC/DC PFC, LLC, and buck-boost digital power stages, the dsPIC33EP512GM306-I/PT delivers precise PWM dead-time control (with 4 ns resolution) and high-speed 12-bit ADC sampling for current-mode control of the inductor, improving transient response and efficiency. Its 70 MIPS high-bandwidth DSP MAC processes digital compensator loops (Type-II, Type-III) at sub-microsecond latency, enabling high switching frequency converters up to 2 MHz. Use the 12 PWM outputs to drive multiple power stages with synchronized phase shifts; the dual ADCs sample primary current and voltage simultaneously for cycle-by-cycle control. Trade-off vs analog controllers: more flexibility via firmware but requires firmware validation and tuning expertise.
추천
Solar Micro-Inverters and String Inverters
The dsPIC33EP512GM306-I/PT is well suited for solar micro-inverters (250 W to 600 W) and string inverters where MPPT (Maximum Power Point Tracking) and grid-tie synchronization demand deterministic DSP performance. Peak DP-IC runs Perturb & Observe or Incremental Conductance MPPT at 50 Hz typical loop rates, while the on-chip op-amps sense PV short-circuit current via shunt resistors. Its 48 KB SRAM and 512 KB Flash provide ample room for grid-tie PLL routines, anti-islanding protection, and Modbus/CAN telemetry. Trade-off: requires Galvanic-isolated gate drivers and noise-immune PCB layout to pass EMC standards like EN 61000.
추천
Drone ESCs and UAV Motor Controllers
Quadrotor and fixed-wing UAV Electronic Speed Controllers (ESCs) benefit from the dsPIC33EP512GM306-I/PT's 70 MIPS execution, squarewave-EMF sensorless FOC, and 12 PWM channels with hardware dead-time to drive 3-phase half-bridges up to 50 A continuous. The 4 on-chip op-amps sense low-side shunt currents (common in ESC designs) for fast over-current protection and torque control. Use the UART to interface with the flight-controller flypacks (PWM, DShot, OneShot) and the ECAN peripheral for multi-rotor daisy-chain telemetry. Trade-off: not radiation-tolerant, so aerospace/military drone variants require the DS14332P line.
추천
Industrial Servo Drives and CNC Spindles
CNC machines, robotics, and servo drives leverage the dsPIC33EP512GM306-I/PT for high-precision position, velocity, and torque control of brushless servo motors with encoder feedback (QEI peripheral). Dual 12-bit ADCs with simultaneous sampling measure motor phase currents and the DC bus voltage for online parameter estimation; the 70 MIPS DSP MAC accelerates the cascaded PID loops that are typical in industrial servo control. ECAN interface enables multi-axis daisy-chaining with cycle times of 1 ms for coordinated motion profiles. Trade-off: industrial servo designs require robust power supply filtering and watchdog timer configuration to comply with IEC 61800 safety integrity requirements.
추천
Automotive Aftermarket (Pumps, Fans, HVAC Compressors)
The dsPIC33EP512GM306-I/PT controls 12 V and 48 V BLDC pumps, radiator fans, and HVAC compressors where 70 MIPS FOC and 4 on-chip op-amps handle phase-current sensing in high-EMI automotive electrical environments. Operating temperature range (-40C to +85C) covers the cabin and engine compartment; the device is suitable for aftermarket automotive accessories where AEC-Q100 is not mandatory. Trade-off vs AEC-Q100 qualified dsPIC33 variants: for OEM automotive (fuel pumps, oil pumps), use the AEC-Q100 qualified devices; the I/PT is appropriate for after-market and consumer automotive accessories.
추천
Sensorless FOC Refrigeration Compressors
Variable-speed inverter refrigerators and heat-pump compressors use the dsPIC33EP512GM306-I/PT to run sensorless FOC on PMSM compressors, eliminating Hall sensors and improving reliability by removing mechanical feedback devices. The DSC core runs BEMF-EMF observers and sliding-mode estimators in real time at 16 kHz control rate, while the 12 PWMs drive the IGBT inverter at 6 kHz switching frequency. The on-chip CTMU can be repurposed for temperature-sensor readings via thermistor biasing, simplifying BOM. Trade-off: inverter compressor designs must implement compressor soft-start and anti-cycle-lock routines to extend mechanical life of reciprocating components.
추천
추천 제품 요약
엔지니어링 참조 데이터: dsPIC33EP512GM306-I/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33EP256GM306-I/PT | DSPIC33EP512GM604-I/PT | DSPIC33EP512GM310-I/PT | DSPIC33EP512MC506-I/PT | STM32G431RBT6 |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10 mm), /PT | 64-pin TQFP - same | 64-pin TQFP - same | 64-pin TQFP - same | 64-pin TQFP - same | 64-pin LQFP - footprint-similar but pin map differs |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | STMicroelectronics |
| Core Architecture | dsPIC33E 16-bit DSC + DSP MAC | dsPIC33E DSC (same) | dsPIC33E DSC (same) | dsPIC33E DSC (same) | dsPIC33E DSC (same) | Arm Cortex-M4F with FPU |
| CPU Clock / Performance | 140 MHz / 70 MIPS | 140 MHz / 70 MIPS | 140 MHz / 70 MIPS | 140 MHz / 70 MIPS | 140 MHz / 70 MIPS | 170 MHz / 213 DMIPS |
| Flash Memory | 512 KB | 256 KB | 512 KB | 256 KB | 512 KB | 128 KB |
| SRAM | 48 KB | 32 KB | 48 KB | 32 KB | 48 KB | 32 KB |
| On-chip Op-Amps | 4 | 4 | 4 | 4 | 2 | 0 (external required) |
| PWM Channels | 12 (motor-control PWM) | 12 | 12 | 14 | 8 | 12 (advanced-control PWM) |
| ADC | 2 x 12-bit, 3.25 MSPS, 4 S&H | 2 x 12-bit, 3.25 MSPS, 4 S&H | 2 x 12-bit, 3.25 MSPS, 4 S&H | 2 x 12-bit, 3.25 MSPS, 4 S&H | 2 x 10-bit, 1.1 MSPS | 3 x 12-bit, 4 MSPS |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 2.0 V to 3.6 V |
주요 차별점
- 4 on-chip op-amps eliminate external current-sense amplifier chain (vs DSPIC33EP512MC506-I/PT)
- Higher Flash (512 KB) supports complex motor-control libraries (vs DSPIC33EP256GM306-I/PT)
- DSC MAC engine executes single-cycle 16x16-bit MAC operations (vs STM32G432RBT6)
설계 노트
Use a star-ground topology with separate analog and digital ground planes tied at a single point near the MCU's VSS pins. Estimate: the dsPIC33EP512GM306-I/PT typically draws 60 mA active at 140 MHz and 25 mA in idle; use 100 mA LDO headroom for the 3.3 V rail. Add 100 nF decoupling on every AVDD/AVSS+DVDD/DVSS pin and bulk 10 uF tantalum or ceramic at the MCU power entry; high-frequency switching noise on AVDD directly couples into ADC readings.
At 140 MHz core clock the dsPIC33EP512GM306-I/PT dissipates approximately 350 mW typical active and 250 mW idle. The 64-pin TQFP (10x10 mm) has theta_JA ~ 55 C/W on a 2-layer PCB and ~ 38 C/W on a 4-layer PCB with thermal vias under the exposed pad. Estimated: at 85 C ambient, junction temperature reaches 105 C on 2-layer PCB (within 125 C max); 4-layer PCB required if board ambient exceeds 70 C or heavy GPIO switching. Add copper pours under the package and stitch 8-12 thermal vias to the inner ground plane.
Route the 4 on-chip op-amp outputs and the 16 PCB dual-channel inputs to dedicated analog areas of the layout, kept AWAY from PWM traces. Estimate: an internal feedback loop must be < 5 ms to avoid regulator instability. Place the 32.768 kHz crystal (if used for RTC) close to SOSCI/SOSCO pins with a guard ring to GND, and keep trace length below 5 mm. The 12 PWM outputs and the comparator outputs benefit from a series 33 ohm damping resistor to gate drivers to slow down the edges and reduce EMI emissions.
Common pitfalls when designing with the dsPIC33EP512GM306-I/PT: (1) leaving PGECx/PGEDx floating in production boards - the ICSP lines need 10K-47K pull-downs to prevent spurious debug-entry; (2) configuring the on-chip op-amps for rail-to-ground rail output which is not supported - max swing is AVDD-0.3 V to AVSS+0.3 V; (3) using the ADC inputs beyond their 3.6 V maximum rating when sensing battery voltages - always use external resistor dividers; (4) failing to enable the DSP engine in the CORCON register - the MAC operations silently return 0 without it; (5) using the USB or ECAN peripherals without enabling the PPS remapping register OSCFD.
The dsPIC33EP512GM306-I/PT's dual 12-bit ADC achieves 3.25 MSPS aggregate; for simultaneous sampling of three phase currents at 50 kHz loop rate, the analog front-end must settle within 1 us. Estimated: a 1 nF hold capacitor on the ADC pin settles in ~200 ns with a 50 ohm source. To preserve >10-bit ENOB, route analog traces AWAY from a 5 cm minimum distance from PWM gate-driver signals, use ground-shielded analog traces, and place 1 nF C0G ceramic bypass capacitors on every ADC input.
규정 준수 정보
RoHS and REACH compliant per Microchip product declaration. Industrial temperature grade (-40C to +85C) but NOT AEC-Q100 qualified - for OEM automotive (AEC-Q100) applications, use the AEC-Q100 qualified dsPIC33EP variants.
