DSPIC33EP128GM604-H/ML - 70 MIPS DSC 128KB Flash QFN-44 | Microchip
料号： DSPIC33EP128GM604-H/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.52 | $552.00 |
| 500 | $4.97 | $2,485.00 |
| 1,000 | $4.41 | $4,410.00 |
DSPIC33EP128GM604-H/ML 概述
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the embedded hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs: it executes DSP instructions (MAC, DSP multiply, barrel shifter) while retaining Harvard memory architecture, deterministic interrupts, and rich motor-control peripherals. The dsPIC33E family from Microchip is a widely adopted DSC platform for precision embedded control.
Key features include a 70 MIPS dsPIC DSC core, two independent ADC modules configurable as 10-bit 1.1 Msps with four sample-and-hold circuits or 12-bit 500 ksps, and up to four op amps/comparators with direct ADC connection. On-chip peripherals also include high-speed PWM, CAN, multiple UART/SPI/I2C ports, quadrature encoder interface inputs, and four DMA channels, enabling single-chip control of complex power and motion systems.
Architecturally, the dsPIC33EP core uses CMOS technology with a 16-bit modified Harvard pipeline, DSP multiply-accumulate hardware, and 8 hardware breakpoints for deterministic debugging. The dual-ADC design allows simultaneous sampling of motor phase currents and bus voltages without arbitration delays, a significant advantage in field-oriented motor control loops.
Typical applications include brushless DC and PMSM motor control, digital power conversion (PFC, LLC), automotive auxiliary systems (the -H temperature grade supports 125C ambient), and industrial sensing front-ends exploiting the integrated op amps and high-speed ADCs.
A key design consideration: the QFN-44 exposed-pad package requires a solid ground plane with thermal vias under the pad for both thermal dissipation and signal integrity at 70 MIPS switching speeds.
This page synthesizes distributor pricing context, drop-in family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： DSPIC33EP128GM604-H/ML ——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： DSPIC33EP128GM604-H/ML （相同外形与封装尺寸） ——差异在于 Package, Core, Operating Temperature, Supply Voltage, RAM.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP128GM604-I/ML
✅ 直接替换✓ 有现货
$5.95 / 个
查看数据手册 →DSPIC33EP128GM604-E/ML
✅ 直接替换✓ 有现货
$4.11 / 个
查看数据手册 →DSPIC33EP64GM604-H/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64GM604-I/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP128MC604-H/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP128GM604-H/ML 最大额定值与电气特性
| Core | dsPIC33E 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Program Memory (FLASH) | 128KB (43K x 24) |
| RAM | 16KB |
| 电源电压 | 3.0 V to 3.6 V (3.3 V nominal) |
| 工作温度 | -40C to +125C (H grade) |
| 封装 | 44-QFN (8x8 mm), exposed pad |
| 安装类型 | Surface Mount |
| ADC Resolution | 10-bit / 12-bit (dual modules) |
| ADC Speed | 1.1 Msps (10-bit) / 500 ksps (12-bit) |
| Op Amps / Comparators | Up to 4 |
| PWM | High-speed motor control PWM |
| DMA Channels | 4 |
| CAN | Yes (2.0B) |
| Communication Interfaces | UART, SPI, I2C, CAN |
| Quadrature Encoder Interface | QEI supported |
| Debug Breakpoints | 8 hardware breakpoints |
| Technology | CMOS |
DSPIC33EP128GM604-H/ML 引脚配置
| 引脚 1 | MCLR# — Master clear reset input (active low), programming voltage pin |
| 引脚 2 | AN0/VREF+/RA0 — Analog input 0 / ADC positive reference |
| 引脚 3 | AN1/VREF-/RA1 — Analog input 1 / ADC negative reference |
| 引脚 4 | AN2/C2IN-/RA2 — Analog input 2 / comparator 2 inverting input |
| 引脚 5 | AN3/C2IN+/RA3 — Analog input 3 / comparator 2 non-inverting input |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | VDD — Power supply (3.0V-3.6V) |
| 引脚 8 | AN4/RB2 — Analog input 4 / remappable digital I/O |
| 引脚 9 | AN5/RB3 — Analog input 5 / remappable digital I/O |
| 引脚 10 | PGD3/RB4 — Debug data channel 3 / remappable digital I/O |
| 引脚 11 | PGC3/RB5 — Debug clock channel 3 / remappable digital I/O |
| 引脚 12 | AN6/RB6 — Analog input 6 / remappable digital I/O |
| 引脚 13 | AN7/RB7 — Analog input 7 / remappable digital I/O |
| 引脚 14 | VSS — Ground reference |
| 引脚 15 | VDD — Power supply (3.0V-3.6V) |
| 引脚 16 | AN8/RB8 — Analog input 8 / remappable digital I/O |
| 引脚 17 | AN9/RB9 — Analog input 9 / remappable digital I/O |
| 引脚 18 | TCK/RB10 — JTAG test clock / remappable digital I/O |
| 引脚 19 | TDI/RB11 — JTAG test data in / remappable digital I/O |
| 引脚 20 | TDO/RB12 — JTAG test data out / remappable digital I/O |
| 引脚 21 | TMS/RB13 — JTAG test mode select / remappable digital I/O |
| 引脚 22 | AN10/RB14 — Analog input 10 / remappable digital I/O |
| 引脚 23 | AN11/RB15 — Analog input 11 / remappable digital I/O |
| 引脚 24 | PGD1/RG0 — Primary debug data / remappable digital I/O |
| 引脚 25 | PGC1/RG1 — Primary debug clock / remappable digital I/O |
| 引脚 26 | AN12/RG2 — Analog input 12 / remappable digital I/O |
| 引脚 27 | AN13/RG3 — Analog input 13 / remappable digital I/O |
| 引脚 28 | OSC1/CLKI/RG4 — Oscillator input / external clock in |
| 引脚 29 | RC13 — Remappable digital I/O |
| 引脚 30 | RC14 — Remappable digital I/O / secondary oscillator |
| 引脚 31 | OSC2/CLKO/RC15 — Oscillator output / clock out |
| 引脚 32 | VDD — Power supply (3.0V-3.6V) |
| 引脚 33 | VSS — Ground reference |
| 引脚 34 | RF2 — Remappable digital I/O |
| 引脚 35 | RF3 — Remappable digital I/O |
| 引脚 36 | RF4 — Remappable digital I/O |
| 引脚 37 | RF5 — Remappable digital I/O |
| 引脚 38 | RF6 — Remappable digital I/O |
| 引脚 39 | RF7 — Remappable digital I/O |
| 引脚 40 | RF8 — Remappable digital I/O |
| 引脚 41 | AN14/RF13 — Analog input 14 / remappable digital I/O |
| 引脚 42 | VDD — Power supply (3.0V-3.6V) |
| 引脚 43 | VSS — Ground reference |
| 引脚 44 | EP/VSS — Exposed pad - must be soldered to VSS ground plane |
典型应用
DSPIC33EP128GM604-H/ML 适用于 6 应用s: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Control, Industrial Sensing Front-Ends, Embedded Networking Gateways, Test & Measurement Instruments.
BLDC/PMSM Motor Control
The DSPIC33EP128GM604-H/ML fits sensorless and sensored motor control because its dual ADC modules sample motor phase currents at up to 1.1 Msps (10-bit) while the high-speed PWM generates complementary outputs with programmable dead-band for the inverter bridge. In a field-oriented control (FOC) loop, the integrated op amps amplify shunt-current signals directly into the ADC, eliminating external amplifier ICs and reducing analog error sources. Typical topology: the DSC reads rotor position from a quadrature encoder via the QEI peripheral or estimates it in firmware, executes Clarke/Park transforms using the DSP MAC unit at 70 MIPS, and updates PWM duty each cycle. The -H grade tolerates 125C ambient near hot motor enclosures.
推荐
Digital Power Conversion
For PFC, LLC, and buck converter applications, the DSPIC33EP128GM604-H/ML provides deterministic PWM update rates and fast analog feedback: the dual 12-bit 500 ksps ADCs digitize output voltage and current, and the DSP core executes compensator equations with single-cycle MAC operations. High-speed PWM features such as current-limit instant shutdown protect the power stage within one PWM cycle. The -H temperature grade suits power supplies in sealed industrial enclosures reaching 125C. Because compensation, housekeeping, and communication (CAN or UART to a host) share one 70 MIPS core, a single DSC can replace a dedicated controller plus supervisor MCU, cutting BOM cost and board area in AC-DC and DC-DC stages.
推荐
Automotive Auxiliary Control
With a -40C to +125C operating range, the DSPIC33EP128GM604-H/ML addresses automotive auxiliary loads such as pumps, fans, actuators, and valve control. The on-chip CAN 2.0B module connects directly to vehicle networks, while high-speed PWM and QEI handle brushed/BLDC actuator control and position feedback. Microchip markets the dsPIC33E family for automotive applications requiring high reliability; the related -E/ML variant adds extended screening for harsher qualification requirements. In a typical electronic water pump, the DSC runs sensorless FOC on phase currents sampled by its dual ADCs, reports speed and diagnostics over CAN, and asserts safe states via PWM shutdown on fault - all within one 44-QFN package.
推荐
Industrial Sensing Front-Ends
The up to four integrated op amps with direct ADC connection make the GM604 suitable for analog sensor conditioning: thermistor bridges, pressure-transducer amplification, and current sensing can be amplified on-chip and converted by the 12-bit 500 ksps ADCs without external op-amp ICs. Programmable references with 32 voltage points and programmable blanking (per the DS70000689 datasheet) improve measurement integrity in switching environments. The 70 MIPS DSP headroom runs FFT-based vibration analysis or digital filtering, while UART/SPI/I2C push processed results to a SCADA host or the CAN bus. The 44-QFN exposed pad gives a low-impedance ground for sensitive analog circuitry on mixed-signal sensor boards.
推荐
Embedded Networking Gateways
The combination of CAN 2.0B, multiple UARTs, SPI, and I2C ports makes the DSPIC33EP128GM604-H/ML an effective protocol-conversion gateway in factory equipment: it bridges legacy RS-485/UART devices onto a CAN backbone while performing local filtering and data formatting in the 128KB FLASH program space. Four DMA channels offload peripheral-to-RAM transfers so the 70 MIPS core stays available for protocol stacks. The 16KB RAM buffers message queues robustly, and deterministic interrupt latency preserves time-critical CAN timing. In building-automation and machine-to-machine retrofits, one DSC can simultaneously run a CAN stack, a Modbus slave, and local control logic without an external network coprocessor.
推荐
Test & Measurement Instruments
Handheld meters, data loggers, and bench accessory instruments benefit from the DSPIC33EP128GM604-H/ML's fast, dual-sample ADCs and DSP math: a 1.1 Msps acquisition stream can be RMS-converted, averaged, or FFT-analyzed on-chip for display on a segment or character LCD driven by spare I/O. The 8 hardware breakpoints and MPLAB X toolchain shorten firmware bring-up, and the -H grade supports instruments used near hot equipment. The QFN-44 8x8 mm footprint fits slim handheld enclosures, while the 3.0V-3.6V supply and low-power sleep modes extend battery runtime between charges. One controller handles acquisition, math, display, and USB/UART communication to a PC.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP128GM604-H/ML ——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 | DSPIC33EP128GM604-I/ML | DSPIC33EP128GM604-E/ML | DSPIC33EP64GM604-H/ML | DSPIC33EP128MC604-H/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| FLASH Memory | 128KB (43K x 24) | 128KB | 128KB | 64KB (-50%) | 128KB |
| Operating Temperature | -40C to +125C (H grade) | -40C to +85C | -40C to +125C (extended) | -40C to +125C | -40C to +125C |
| Integrated Op Amps | Up to 4 (GM series) | Up to 4 | Up to 4 | Up to 4 | None (MC series lacks op amps) |
| Dual ADC (1.1 Msps) | Yes | Yes | Yes | Yes | Yes |
| Best For | Hot environments (125C) with full 128KB program space | Standard industrial (85C) cost saving | Automotive / extended screening | Cost-saving when code fits 64KB | Designs with external analog front-end |
关键差异点
- Full 128KB program space in the 125C grade （对比 DSPIC33EP64GM604-H/ML)
- Integrated op amps reduce external analog BOM （对比 DSPIC33EP128MC604-H/ML)
- Extended temperature tolerance over the standard industrial grade （对比 DSPIC33EP128GM604-I/ML)
设计说明
The 44-QFN exposed pad (pin 44 / EP) is a primary VSS connection and must be soldered to the ground plane. Use an array of at least 3x3 thermal vias (0.3 mm drill, filled or tented) under the pad to tie it to internal ground planes - this is both an electrical and thermal requirement. Insufficient EP soldering is the most common cause of intermittent resets and ADC noise issues on QFN-packaged dsPIC33EP designs.
Decouple each VDD pin with 100 nF X7R ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. Because the dual ADC modules switch large sampling capacitors at up to 1.1 Msps, supply noise directly corrupts conversions - separate the analog supply path with an RC filter (e.g., 10 ohm + 1 uF) feeding AN0-AN14 reference territory if 12-bit accuracy is required. Estimated: with VDD=3.3V, keep supply ripple below a few mV to preserve 12-bit effective resolution.
At 70 MIPS with high-speed PWM edges driving an inverter bridge, keep gate-driver return paths short and route PWM outputs away from the ADC input traces feeding phase-current shunt signals. Use the dsPIC33EP Peripheral Pin Select (PPS) to assign digital functions so that fast-switching PWM pins and sensitive analog inputs land on opposite sides of the 8x8 mm package. The datasheet notes programmable PWM blanking, which can mask switching transients in comparator-based overcurrent protection.
Configure configuration words (FICD, FOSC, FWDT) before first power-up: an incorrect oscillator setting can leave the device on the internal FRC instead of the intended crystal PLL, silently halving performance below 70 MIPS. Also remember that analog-capable pins default to analog mode at reset - digital inputs on AN0-AN14 read as 0 until the ANSEL-equivalent registers clear. Budget MCLR programming access (pin 1) on your PCB even for production units to preserve field firmware updates.
合规信息
Compliance status per suffix must be confirmed from the official Microchip product page or distributor compliance documents; the provided web data does not state RoHS/REACH status explicitly.