DSPIC33EP64GP504-I/ML - 16-bit 70 MIPS DSC, 64KB Flash | Microchip
料号： DSPIC33EP64GP504-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.35 | $4.35 |
| 10 | $3.95 | $39.50 |
| 100 | $3.65 | $365.00 |
| 500 | $3.52 | $1,760.00 |
| 1,000 | $3.44 | $3,440.00 |
DSPIC33EP64GP504-I/ML 概述
A digital signal controller combines the compute architecture of a microcontroller with DSP engine features such as a hardware multiplier and barrel shifter, sitting in the hierarchy: DSC -> 16-bit MCU -> microcontroller -> embedded processor. The dsPIC33EP general-purpose (GP) family is Microchip's high-performance 16-bit line for embedded control with digital signal processing demands.
Key features include the 70 MIPS dsPIC33E core, high-speed PWM modules for power conversion and motor control, a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-domain measurements, and a 9-channel 10/12-bit analog-to-digital converter with 35 general-purpose I/O pins.
Technically, the device uses a modified Harvard architecture with multiple internal buses, a 16-bit data path with DSP instructions, hardware multiplier, and boundary-scan (JTAG) support. Program memory is self-programmable Flash (22K x 24 instruction words), and the core operates from a 3V to 3.6V supply, per the dsPIC33EPXXXGP50X family data sheet (DS70000657).
Typical applications include digital power supplies, brushless DC and PMSM motor control, embedded sensing with CTMU-based capacitive touch, industrial automation nodes, and general-purpose signal processing where PWM precision and ADC throughput matter more than connectivity such as USB.
Design consideration: operate within the 3.0-3.6V supply window and budget Flash carefully - 64KB suffices for control-centric firmware but leaves limited headroom for complex protocol stacks; the /PT TQFP-44 variant offers the same die in a hand-solderable package.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33EP64GP504-I/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： DSPIC33EP64GP504-I/ML （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Core, RAM, Timers.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64GP504-E/MV
✅ 直接替换✓ 有现货
$2.85 / 个
查看数据手册 →DSPIC33EP64GP504-I/MV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.5 / 个
查看数据手册 →DSPIC33EP64GP503-I/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP32GP504-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.05 / 个
查看数据手册 →DSPIC33EP64MC504-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.25 / 个
查看数据手册 →DSPIC33EP64GP504-I/ML 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33E DSC |
| Max CPU Speed | 70 MIPS |
| Clock Speed | 60 MHz |
| Program Memory | 64KB (22K x 24) Flash |
| RAM | 8KB (4K x 16) |
| 电源电压 | 3 V to 3.6 V |
| ADC | 9-channel, 10/12-bit |
| General-Purpose I/O | 35 pins |
| 封装 | 44-QFN (8x8 mm, 0.90 mm height) |
| 工作温度 | -40C to +85C (I grade) |
| 安装类型 | Surface Mount |
| Special Peripherals | High-Speed PWM, PTG, CTMU |
| Timers | General-purpose 16-bit timers (see family datasheet) |
| 生命周期状态 | In Production (Active) |
DSPIC33EP64GP504-I/ML 44-qfn (8x8 mm, 0.90 mm height) 引脚配置指南
DSPIC33EP64GP504-I/ML（44-qfn (8x8 mm, 0.90 mm height) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33EP64GP504-I/ML.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64GP504-I/ML 适用于 6 应用s: Digital Power Supplies, BLDC / PMSM Motor Control, Capacitive Touch and CTMU-Based Sensing, Industrial Automation Nodes, Embedded Signal Processing and Data Acquisition, Lighting and HID Ballast Control.
Digital Power Supplies
The DSPIC33EP64GP504-I/ML fits digitally controlled AC-DC and DC-DC converters because its 70 MIPS core executes compensation loops fast enough for switching frequencies in the hundreds of kilohertz, and its high-speed PWM modules offer nanosecond-resolution duty-cycle control. In a typical topology, the 9-channel 10/12-bit ADC samples output voltage and inductor current on PWM-triggered conversions, and the control law runs in a few microseconds of interrupt latency. The Peripheral Trigger Generator (PTG) can sequence ADC sampling and PWM updates autonomously, offloading loop timing from software. Unlike analog-only controllers, this DSC allows nonlinear compensation, adaptive dead-time, and telemetry over UART without extra components, while the 3.0-3.6V supply simplifies the auxiliary bias design.
推荐
BLDC / PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33EP64GP504-I/ML combines a 70 MIPS DSP engine (hardware multiplier and barrel shifter) with high-speed PWM outputs, enabling field-oriented control loops at 10-20 kHz update rates. The 9-channel 10/12-bit ADC handles phase-current and bus-voltage sampling synchronized to the PWM center, minimizing switching-noise-induced error across its 35 I/O pins. The /ML 44-QFN package keeps gate-drive and sensing traces short on compact inverter boards, and the industrial -40C to +85C rating suits pumps, fans, and power tools. Compared with a general MCU, the DSC's single-cycle MAC operations materially reduce FOC computation time, leaving CPU margin for communication and protection logic.
推荐
Capacitive Touch and CTMU-Based Sensing
The on-chip Charge Time Measurement Unit (CTMU) makes the DSPIC33EP64GP504-I/ML a strong fit for capacitive touch interfaces, proximity sensing, and precise time-interval measurement. The CTMU drives constant-current charging of touch pads while the 12-bit ADC measures the resulting voltage, allowing key detection with no external analog front-end among the ADC-capable I/O. Typical designs scan 8-16 keys in a few hundred microseconds using PTG-assisted sequencing, keeping the 70 MIPS core free for application logic and communication. Microchip application notes describe drift compensation and multi-key gesture algorithms directly implementable in the 64KB Flash. The 44-QFN package suits compact appliance panels, and the 8x8 mm body's exposed pad improves ground integrity for sensitive charge measurements.
推荐
Industrial Automation Nodes
In factory automation I/O nodes, sensors hubs, and small PLCs, the DSPIC33EP64GP504-I/ML offers 70 MIPS of control bandwidth, 35 GPIO for digital I/O expansion, UART/SPI/I2C serial links, and the robustness of the -40C to +85C industrial grade in a 44-QFN footprint. The 64KB Flash accommodates communication stacks and diagnostics, while the DSP engine accelerates digital filtering of sensor data, such as FIR/IIR conditioning of vibration or current-loop signals at kilohertz rates. The CTMU adds timestamping capability for event capture. Combined with an external transceiver for fieldbus physical layers, the DSC runs the protocol and application layers concurrently, and its In Production lifecycle status (verified 2026-09-25) supports long-term industrial sourcing.
推荐
Embedded Signal Processing and Data Acquisition
The DSPIC33EP64GP504-I/ML suits compact data-acquisition and signal-conditioning products where a full DSP is overkill but a basic MCU lacks compute throughput. Its single-cycle 16x16 hardware multiplier, DSP multiply-accumulate instructions, and barrel shifter execute FFTs and digital filters efficiently at 70 MIPS, while the 9-channel 10/12-bit ADC provides simultaneous multi-signal sampling up to the family's rated conversion rate. Acquired data streams out over UART or SPI to a host, or is buffered in the 8KB RAM for batch processing. Battery-operated loggers benefit from the 3.0-3.6V supply and low-power management modes of the dsPIC33E architecture. The 44-QFN package enables dense multi-channel front ends in handheld and panel-mount instrumentation formats.
推荐
Lighting and HID Ballast Control
Electronic ballasts, LED drivers with power-factor correction, and dimming control benefit directly from the DSPIC33EP64GP504-I/ML's combination of high-speed PWM, fast ADC, and CTMU timing. The PWM modules drive half-bridge or flyback stages with programmable dead-time and complementary outputs, while the 12-bit ADC closes current and PFC loops triggered synchronously to minimize ripple-induced distortion. The 70 MIPS core supports adaptive dimming curves, lamp-fault detection, and DALI-style communication protocols in firmware within the 64KB Flash. Designers commonly use the PTG to automate half-cycle sampling sequences, improving efficiency without CPU overhead. The industrial temperature grade and compact 8x8 mm QFN package fit sealed luminaires and slim driver boards where board area is constrained.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64GP504-I/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 | DSPIC33EP64GP504-E/MV | DSPIC33EP64GP503-I/ML | DSPIC33EP32GP504-I/ML | DSPIC33EP64MC504-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same footprint | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS / 60 MHz | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Program Flash | 64KB (22K x 24) | 64KB | 48KB (-25%) | 32KB (-50%) | 64KB |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Focus | GP: PWM, PTG, CTMU | GP: PWM, PTG, CTMU | GP: PWM, PTG, CTMU | GP: PWM, PTG, CTMU | MC: enhanced motor-control PWM |
关键差异点
- Full 64KB Flash headroom in the 44-QFN footprint （对比 DSPIC33EP64GP503-I/ML)
- Extended temperature option in the identical footprint （对比 DSPIC33EP64GP504-E/MV)
- GP peripheral set (PTG + CTMU) versus motor-control focus （对比 DSPIC33EP64MC504-I/ML)
- Cost reduction path without redesign （对比 DSPIC33EP32GP504-I/ML)
设计说明
The dsPIC33EP core runs from an internal 1.8V (approx.) regulator fed by the 3.0-3.6V VDD rail; a low-ESR ceramic capacitor (typically on the order of 10 uF) must be placed on the VCAP pin per the family data sheet. Keep the 3.3V rail within 3.0-3.6V under PWM load transients - a brown-out below the minimum while the core is unregulated can latch the device. Decouple each VDD pin with 0.1 uF ceramics placed within 2-3 mm of the pin, plus one bulk 10 uF per power domain.
The 44-QFN (8x8 mm) package has a center exposed pad that must be soldered to a grounded thermal pad on the PCB for both thermal dissipation and mechanical reliability; use a via array (4-9 vias) under the pad to the ground plane. Route high-speed PWM outputs away from ADC input traces, and place a quiet analog supply filter for the AVDD rail to realize the full 12-bit ADC performance. Keep crystal traces short and guarded for the primary oscillator.
Configuration-bit mistakes are the most common bring-up failure: verify that the primary oscillator / PLL settings match your crystal frequency to reach the intended 60 MHz (70 MIPS) operating point, and enable the brown-out reset. Also confirm peripheral pin-select (PPS) mappings before relying on UART/SPI routing on the 35 GPIO. Emulator note: the /PT TQFP version is easier to probe during development; consider prototyping with it since the die and firmware are identical.
合规信息
RoHS-compliant standard commercial offering per Microchip product page (In Production status). REACH / halogen-free / conflict-minerals declarations should be obtained from official Microchip environmental documentation.
