PIC32MZ2025DAK176T-I/2J - 200MHz 32-bit MCU 2MB Flash LQFP-176 | Microchip
料号： PIC32MZ2025DAK176T-I/2J ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $14.2 | $14.20 |
| 10 | $12.85 | $128.50 |
| 100 | $11.42 | $1,142.00 |
| 500 | $10.18 | $5,090.00 |
| 1,000 | $9.05 | $9,050.00 |
PIC32MZ2025DAK176T-I/2J 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable peripherals. The PIC32MZ DAK family sits in the PIC32MZ hierarchy -> 32-bit PIC MCUs -> microcontroller -> embedded processing IC -> semiconductor, and is specifically aimed at high-performance graphical user interface (GUI) applications. This places the part in the broader category of integrated circuits used for embedded control and human-machine interfaces.
Key specifications include 200 MHz CPU clock, 2 MB (2M x 8) Flash, 640 KB SRAM, an integrated 32-bit graphics controller with up to 128 MB externally addressable DDR2 DRAM support, a 12-bit 18 MSPS ADC with up to 45 analog inputs, HS USB, CAN, and a 176-pin LQFP (20x20) package with exposed thermal pad. These features make the device well suited for driving color TFT displays and running complex graphical stacks such as Microchip's MPLAB Harmony Graphics Suite.
The DAK series is built on a MIPS32 microAptiv core with a five-stage pipeline, instruction and data caches, and tightly-coupled memory for deterministic real-time performance. A dedicated graphics processor unit offloads rendering tasks such as blitting, alpha blending, and chroma keying, freeing the CPU for application logic and communications. High-speed USB 2.0, dual CAN, and multiple SPI/I2C/UART instances give the device abundant connectivity for industrial networking.
Typical applications include industrial HMI panels with TFT LCD, medical patient monitors, home appliance touchscreen controllers, automotive infotainment displays, and graphical data acquisition systems. The 2 MB Flash comfortably hosts the MPLAB Harmony graphics library plus a rich RTOS and application code, while the external DDR2 interface supports frame buffers for large color displays.
When designing with this part, pay attention to the DDR2 PCB layout - matched impedance, length-matched traces, and proper decoupling are essential for stable memory operation. Power sequencing between the 1.8 V core, 3.3 V I/O, and the DDR2 supply must follow the datasheet order to avoid latch-up. Use the exposed thermal pad with an adequate copper pour to keep junction temperature within limits at full 200 MHz operation.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MZ DAK family, and practical design notes not collected in one place in the manufacturer datasheet.
直接替换替代料： PIC32MZ2025DAK176T-I/2J ——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： PIC32MZ2025DAK176T-I/2J （相同外形与封装尺寸） ——差异在于 Graphics Controller, CAN, USB, Package, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC32MZ2025DAB176T-I/2J
✅ 直接替换✓ 有现货
$12.4 / 个
查看数据手册 →PIC32MZ2025DAG176-I/2J
✅ 直接替换✓ 有现货
$11.2 / 个
查看数据手册 →PIC32MZ2025DAA176T-I/2J
✅ 直接替换✓ 有现货
$7.83 / 个
查看数据手册 →PIC32MZ2025DAK176-I/2J
✅ 直接替换✓ 有现货
$11.4 / 个
查看数据手册 →PIC32MZ2025DAH176-I/2J
✅ 直接替换✓ 有现货
$4.83 / 个
查看数据手册 →PIC32MZ2025DAK176T-I/2J 最大额定值与电气特性
| CPU Core | MIPS32 microAptiv |
| Architecture | 32-bit RISC |
| Maximum CPU Clock | 200 MHz |
| Program Memory (Flash) | 2 MB (2M x 8) |
| Data Memory (SRAM) | 640 KB |
| Supply Voltage (Core) | 1.8 V |
| I/O Voltage | 3.3 V |
| 封装 | 176-LQFP Exposed Pad (20x20 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) |
| ADC | 12-bit, 18 MSPS, up to 45 analog inputs |
| Graphics Controller | Integrated 32-bit, external DDR2 up to 128 MB |
| USB | High-Speed USB 2.0 |
| CAN | Dual CAN |
| RoHS 状态 | Compliant |
PIC32MZ2025DAK176T-I/2J 引脚配置
| 引脚 1 | RD0 — General purpose I/O / graphics data line |
| 引脚 44 | VSS — Ground |
| 引脚 45 | VDD — 1.8V core supply |
| 引脚 88 | AVDD — Analog 3.3V supply |
| 引脚 89 | AVSS — Analog ground |
| 引脚 132 | VREF+ — ADC positive reference |
| 引脚 176 | EP — Exposed thermal pad - connect to ground plane |
典型应用
PIC32MZ2025DAK176T-I/2J 适用于 6 应用s: Industrial HMI Touch Panels, Medical Patient Monitors, Home Appliance Touchscreen Controllers, Automotive Infotainment Displays, Graphical Data Acquisition Systems, Building Automation Control Panels.
Industrial HMI Touch Panels
The PIC32MZ2025DAK176T-I/2J drives color TFT LCD panels from WQVGA up to WVGA in industrial HMI terminals. The integrated 32-bit graphics controller offloads blitting, alpha blending, and chroma keying while the MIPS32 microAptiv core runs MPLAB Harmony graphics stacks at 200 MHz. The DDR2 interface up to 128 MB provides ample frame-buffer space, and the 2 MB Flash hosts the GUI library plus application logic. Industrial -40C to +85C qualification and dual CAN connectivity suit factory automation panels.
推荐
Medical Patient Monitors
In medical patient monitors, the PIC32MZ2025DAK176T-I/2J renders real-time waveforms, numeric vitals, and trend graphs on color TFTs. The 12-bit 18 MSPS ADC with up to 45 analog inputs captures ECG, SpO2, and temperature signals without external ADCs, while the graphics controller smooths scrolling waveforms without CPU overhead. The 640 KB SRAM plus external DDR2 maintain frame buffers for layered GUIs; HS USB and dual CAN connect to central patient information systems.
推荐
Home Appliance Touchscreen Controllers
Smart ovens, washing machines, and induction cooktops use the PIC32MZ2025DAK176T-I/2J to drive capacitive-touch TFT displays with animated icons, recipes, and status indicators. The 200 MHz core plus graphics controller deliver smooth 60 FPS UI updates from the 2 MB Flash, while the DDR2 frame buffer supports layered graphics and language asset caching. The integrated HS USB enables firmware updates and WiFi/BLE module bridging for IoT connectivity.
推荐
Automotive Infotainment Displays
The PIC32MZ2025DAK176T-I/2J powers secondary automotive displays such as climate control panels, rear-seat entertainment touchscreens, and instrument cluster sub-displays. The integrated graphics controller with DDR2 support drives WVGA TFTs at full frame rate, while the dual CAN interfaces connect to the vehicle network for HVAC and body data. The -40C to +85C industrial temperature range suits cabin environments; AEC-Q100-grade PIC32 variants exist for harsher under-hood applications.
推荐
Graphical Data Acquisition Systems
Bench-top data acquisition systems and oscilloscope front-ends use the PIC32MZ2025DAK176T-I/2J to render real-time plots, FFT waterfalls, and channel overlays. The 12-bit 18 MSPS ADC with up to 45 analog inputs captures multi-channel waveforms, while the 200 MHz MIPS core runs DSP and graphics rendering in parallel. The HS USB and Ethernet-capable peripherals stream acquired data to host PCs; the 2 MB Flash stores firmware plus embedded UI assets.
推荐
Building Automation Control Panels
Building automation touch panels for HVAC, lighting, and access control leverage the PIC32MZ2025DAK176T-I/2J's integrated graphics to render floor plans, lighting scenes, and security status on color TFTs. Dual CAN and Ethernet peripherals connect to BACnet, Modbus, and KNX fieldbus gateways; the HS USB port supports maintenance cloning and firmware updates. The 176-LQFP exposed-pad package provides ample GPIO for keypad scanning and LED driving alongside the TFT interface.
推荐
推荐产品汇总
工程参考数据： PIC32MZ2025DAK176T-I/2J ——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 | PIC32MZ2025DAB176T-I/2J | PIC32MZ2025DAG176-I/2J | PIC32MZ2025DAA176T-I/2J | PIC32MZ2025DAK176-I/2J | PIC32MZ2025DAH176-I/2J |
|---|---|---|---|---|---|---|
| Package | 176-LQFP Exposed Pad (20x20) | 176-LQFP Exposed Pad (20x20) - same | 176-LQFP Exposed Pad (20x20) - same | 176-LQFP Exposed Pad (20x20) - same | 176-LQFP Exposed Pad (20x20) - same | 176-LQFP Exposed Pad (20x20) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 640 KB | 640 KB | 640 KB | 640 KB | 640 KB | 640 KB |
| CPU Clock | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Integrated Graphics Controller | Yes (DAK grade) | Yes (DAB grade) | Limited (DAG grade) | No (DAA grade) | Yes (DAK grade) | Yes (DAH grade) |
| External DDR2 Support | Up to 128 MB | Up to 128 MB | Up to 32 MB | No | Up to 128 MB | Up to 128 MB |
| ADC Channels | Up to 45 | Up to 45 | Up to 45 | Up to 45 | Up to 45 | Up to 45 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
关键差异点
- Integrated 32-bit graphics controller with DDR2 support （对比 PIC32MZ2025DAA176T-I/2J)
- Full 128 MB DDR2 external address space （对比 PIC32MZ2025DAG176-I/2J)
- Maximum DDR2 ceiling within the DAK sub-family （对比 PIC32MZ2025DAB176T-I/2J)
设计说明
The external DDR2 interface on PIC32MZ2025DAK176T-I/2J requires length-matched, impedance-controlled PCB traces (typically 50 ohm single-ended, 100 ohm differential for clock/DQS). Place the DDR2 SDRAM within 25 mm of the MCU, use a dedicated ground plane under the DDR2 region, and add 100 nF + 4.7 uF decoupling per supply pin. Match the data group trace lengths within +/- 25 mil and the DDR clock within +/- 10 mil as called out in the PIC32MZ DA family datasheet.
Estimated: at 200 MHz CPU plus graphics controller plus DDR2 controller active, the 1.8V core draws roughly 250-300 mA and the 3.3V I/O plus DDR2 supply adds another 200-400 mA depending on DDR2 capacity and speed. Use a 1.8V LDO rated at 500 mA minimum with 22 uF + 100 nF output capacitance, and a 3.3V rail capable of 600 mA peak. Power-up sequencing must follow datasheet order (1.8V core before 3.3V I/O before DDR2 supply) to avoid latch-up.
The 176-LQFP exposed-pad package dissipates heat primarily through the EP pad. For continuous 200 MHz operation with active graphics and DDR2, design a ground-plane copper pour of at least 1 square inch directly under the EP, stitched with thermal vias (0.3 mm drill, 0.6 mm pad, 1.0 mm pitch array) to an internal ground plane. Without the EP pour, junction temperature can exceed 100C at industrial ambient in enclosed enclosures.
Do not omit the 12.5 MHz primary crystal or HSE bypass capacitors - the DDR2 PLL derives from this reference and any instability causes DDR2 training failures. Configure the FPLL and peripheral bus clocks per the PIC32MZ DA family datasheet startup sequence; out-of-order initialization can lock the device. When migrating code from PIC32MX to PIC32MZ DA, the interrupt controller, vector table, and prefetch cache configuration require updates - existing PIC32MX HAL code is not directly portable.
合规信息
RoHS and REACH compliant per Microchip product page; industrial -40C to +85C temperature range. Not AEC-Q100 qualified - choose PIC32MZ EF automotive grade parts for AEC-Q100 designs.
