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Microchip Technology ATPL250A-AKU-Y
- Part No.:
- ATPL250A-AKU-Y
- Manufacturer:
- Microchip Technology
- Category:
- Application Specific Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
ATPL250A-AKU-Y.pdf
- Description:
- IC PWR LINE MCU 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,872
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Product details
Overview
ATPL250A-AKU-Y from Microchip Technology (formerly Atmel) is a G3-PLC physical layer modem IC designed for power line communication in smart grid infrastructure. It implements the ITU-T G.9903 standard with CENELEC-A, FCC, and ARIB profile support, operates across 50/60 Hz mains, features embedded analog front-end (AFE), automatic gain control (AGC), zero-cross detection, and interfaces via 4-line SPI plus interrupt to an external MCU. It targets smart metering data concentrators and PHEV charging stations.
For engineers reviewing the ATPL250A-AKU-Y datasheet, ATPL250A-AKU-Y pinout, ATPL250A-AKU-Y application, or ATPL250A-AKU-Y equivalent, key selection considerations include G3-PLC PHY compliance, 80-lead LQFP package thermal performance (RθJA = 43°C/W on 4-layer PCB), -40°C to +85°C industrial temperature range, 245 mW typical power consumption at 25°C, and integration requirements for external Class-D line driver and crystal oscillator.
Technical Context
The ATPL250A-AKU-Y integrates a dedicated G3-PLC PHY layer with hardware accelerators for FFT/IFFT, Reed-Solomon coprocessing, Viterbi decoding, and coherent/differential modulation schemes. Its architecture separates digital baseband processing from analog signal conditioning, enabling high-efficiency PLC operation without external DAC/ADC.
It relies on an external microcontroller for MAC-layer management and PHY control via SPI register access, while embedding critical analog functions: zero-cross detection with configurable ISM logic, AGC-driven tri-state outputs (AGC[0:5]), differential analog inputs (VIPA/VIMA), and internal LDOs generating 1.2V and 3.3V rails from separate input supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| G3-PLC Compliance | ITU-T G.9903 (June 2014); supports CENELEC-A, FCC, ARIB frequency profiles for global deployment |
| Operating Temperature | -40°C to +85°C industrial range; validated for outdoor smart metering and EVSE environments |
| Power Consumption | 245 mW typical at 25°C; enables thermally constrained designs in sealed meter enclosures |
| Package | 80-lead LQFP, 0.5 mm pitch, Pb-free; RθJA = 43°C/W on 4-layer PCB per JEDEC standards |
| Digital I/O Voltage | 3.3 V CMOS interface (VDDIO = 3.0–3.6 V); compatible with standard microcontrollers without level shifting |
| Analog Supply Outputs | VDDOUT AN = 1.2 V (±5%); VDDOUT = 1.2 V (±5%); decoupling capacitors required per pin per datasheet |
| Clock Source | 24 MHz fundamental-mode crystal oscillator (CLKEA/CLKEB); ±25 ppm tolerance required for G3 symbol timing |
Pinout & Package
ATPL250A-AKU-Y is housed in an 80-lead LQFP package (0.5 mm pitch, green-compliant) with exposed thermal pad not connected internally. Pin functions are validated per Atmel-43079F datasheet Table 6-4 and Figure 4-1. Power, ground, and analog/digital domain separation are strictly maintained across dedicated VDDIO, VDDIN, VDDIN AN, VDDOUT, VDDOUT AN, VDDPLL, GND, and AGND pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EMIT[0:11] | PLC transmission output | 12-bit tri-state digital outputs driving external Class-D amplifier; ±16 mA drive capability per pin |
| AGC[0:5] | Automatic gain control interface | 6-bit tri-state outputs controlling external attenuation circuitry; hysteresis enabled for noise immunity |
| TXRX0 / TXRX1 | Coupling topology control | Digital outputs configuring external filter impedance matching during transmit/receive mode switching |
| VZ CROSS | Zero-cross detection input | 50/60 Hz mains zero-cross pulse train input with internal pull-down; supports ascent/descent detection via ZC_CONFIG register |
| CS / SCK / MOSI / MISO / EINT | SPI slave interface | 5-line SPI bus (4-wire + interrupt) for register access and event signaling to external MCU; all 3.3 V CMOS with internal pull-ups |
| VDDIO / VDDIN / VDDIN AN / VDDOUT / VDDOUT AN / VDDPLL | Power supply inputs/outputs | Separate digital/analog/PLL domains; each requires dedicated decoupling (0.1–10 μF) per datasheet Section 3 |
| VIPA / VIMA / VRP / VRM / VRC | Analog front-end terminals | Differential input pair (VIPA/VIMA), reference voltages (VRP/VRM), and common-mode bias (VRC); require precise analog layout |
Key Features
| Feature | Design Value |
|---|---|
| G3-PLC PHY acceleration | Hardware FFT/IFFT, Reed-Solomon coprocessor, and Viterbi decoder offload 90%+ of PHY computation from host MCU |
| Embedded analog front-end (AFE) | Integrated AFE eliminates need for external ADC/DAC; only discrete Class-D driver and coupling components required |
| Configurable zero-cross detection | Programmable ZC_CONFIG register supports ascent/descent detection, polarity inversion, and input filtering for 50/60 Hz mains |
| Multi-profile regulatory compliance | Single device supports CENELEC-A (Europe), FCC (USA), and ARIB (Japan) bands - reduces BOM and certification effort |
| Thermal-optimized LQFP package | 43°C/W junction-to-ambient on 4-layer PCB enables operation up to 125°C junction temperature in sealed enclosures |
Applications
| Smart Meter Data Concentrator | EV Charging Station Communication |
|---|---|
|
Use Scenario: Aggregating consumption data from hundreds of residential smart meters over low-voltage power lines in multi-dwelling units. IC Role / Device Role / Timing Role: G3-PLC PHY layer modem handling physical signal modulation, demodulation, and channel equalization under noisy grid conditions. Use Value: Enables reliable >99.5% packet success rate at 100 kbps in CENELEC-A band using ATPL250A-AKU-Y's coherent modulation and AGC-driven dynamic range adaptation. |
Use Scenario: Bidirectional communication between Level 2 EVSE and utility backend for load balancing, tariff updates, and firmware OTA. IC Role / Device Role / Timing Role: G3-PLC transceiver providing secure, low-latency PHY layer for ISO 15118-compliant vehicle-grid messaging over AC mains wiring. Use Value: Delivers deterministic <150 ms round-trip latency using ATPL250A-AKU-Y's hardware-accelerated preamble detection and fast AGC convergence. |
| Street Lighting Control Node | Industrial Building Energy Management |
|
Use Scenario: Remote monitoring and dimming control of LED streetlights across municipal grids using existing power distribution cables. IC Role / Device Role / Timing Role: G3-PLC modem implementing robust narrowband OFDM PHY with differential modulation to reject transformer-induced noise. Use Value: Achieves >1 km range in underground ducts using ATPL250A-AKU-Y's 12-bit EMIT outputs driving high-efficiency Class-D drivers at 14 dBm output. |
Use Scenario: Integrating HVAC, lighting, and submetering systems in commercial buildings via shared 400 V/230 V distribution panels. IC Role / Device Role / Timing Role: G3-PLC PHY enabling interoperable communication across heterogeneous building subsystems without new cabling. Use Value: Supports concurrent multi-node mesh networking using ATPL250A-AKU-Y's hardware repeater function and programmable TXRX0/TXRX1 coupling control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar G3-PLC PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST7580 | Standalone G3-PLC PHY with integrated 32-bit ARM Cortex-M0+ MCU; no external host required | Reduces system BOM count but increases software development complexity for custom MAC stack implementation | Select ST7580 when full protocol stack autonomy is prioritized over host MCU flexibility |
| AR7400 | Higher integration: includes G3-PLC PHY, MAC, and RF front-end for dual-band (PLC + Sub-GHz) operation | Enables hybrid PLC/radio backhaul but consumes 3× more power (750 mW typical) than ATPL250A-AKU-Y | Select AR7400 when redundant wireless fallback is mandatory and thermal budget allows |
Compared with ST7580 and AR7400, ATPL250A-AKU-Y provides optimal balance of external MCU control flexibility, 245 mW low-power operation, and proven field reliability in smart metering deployments - making it ideal for cost-sensitive, thermally constrained, and software-defined PLC gateways.
Availability
ATPL250A-AKU-Y is available at Aetrix Electronics and suitable for smart metering, EV charging infrastructure, and industrial energy management systems requiring stable component supply across extended product lifecycles.
Supply support for ATPL250A-AKU-Y includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology acquired Atmel in 2016 and maintains full technical and manufacturing continuity for the ATPL series. The company specializes in secure, low-power semiconductor solutions for industrial and automotive markets.
The ATPL series was developed specifically for G3-PLC smart grid communications, emphasizing hardware-accelerated PHY processing, regulatory compliance across global powerline bands, and seamless integration with external microcontrollers in resource-constrained edge nodes.
FAQ
What is the primary function of the ATPL250A-AKU-Y in a G3-PLC system?
The ATPL250A-AKU-Y serves exclusively as a G3-PLC physical layer (PHY) modem. It handles all baseband signal processing - including OFDM modulation/demodulation, FFT/IFFT, Reed-Solomon coding, and Viterbi decoding - while relying on an external microcontroller for MAC-layer management and higher-layer protocol handling. Its design purpose is to offload computationally intensive PHY tasks from the host MCU.
Does the ATPL250A-AKU-Y include an integrated microcontroller?
No, the ATPL250A-AKU-Y does not contain an embedded processor core. It is a dedicated PHY-only device that must be paired with an external MCU (e.g., Atmel SAM series or other 3.3 V-compatible controllers) via SPI for full G3-PLC stack implementation. The external MCU accesses ATPL250A-AKU-Y registers to configure modulation parameters, manage AGC, and handle interrupt-driven events like packet reception.
What external components are mandatory for ATPL250A-AKU-Y operation?
Mandatory external components include: a 24 MHz fundamental-mode crystal (±25 ppm tolerance) connected to CLKEA/CLKEB; decoupling capacitors (0.1–10 μF) on all power pins per datasheet Section 3; a Class-D line driver stage controlled by EMIT[0:11] outputs; and a zero-cross detection circuit feeding VZ CROSS. No external ADC/DAC is required due to the integrated analog front-end.
How does the ATPL250A-AKU-Y handle power line noise and signal attenuation?
The ATPL250A-AKU-Y combats noise and attenuation through hardware-based automatic gain control (AGC) driving external attenuation circuitry via AGC[0:5] outputs, continuous amplitude tracking during signal reception, and differential modulation schemes optimized for impulsive noise rejection. Its embedded AFE and programmable zero-cross detection further enhance synchronization stability in fluctuating grid conditions.
Is the ATPL250A-AKU-Y pin-compatible with other devices in the ATPL family?
No documented pin compatibility exists between ATPL250A-AKU-Y and other ATPL-series devices such as ATPL230 or ATPL360. Each variant has distinct pinouts, power domain configurations, and peripheral sets. Migration requires PCB redesign and firmware adaptation. Always verify mechanical and electrical compatibility using the specific device's official datasheet before substitution.
ATPL250A-AKU-Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 80-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- Power Line Communications
- Core Processor:
- External
- Program Memory Type:
- -
- Controller Series:
- -
- RAM Size:
- -
- Interface:
- SPI
- Number of I/O:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-LQFP (12x12)
ATPL250A-AKU-Y FAQ
1.How can I place an order for ATPL250A-AKU-Y through Aetrix?
Please submit a Request for Quotation (RFQ) for ATPL250A-AKU-Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ATPL250A-AKU-Y reliable?
The price and inventory of ATPL250A-AKU-Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATPL250A-AKU-Y is usually 5 days.
3.What payment methods are accepted for ATPL250A-AKU-Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATPL250A-AKU-Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATPL250A-AKU-Y?
ATPL250A-AKU-Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATPL250A-AKU-Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ATPL250A-AKU-Y?
For technical support, including ATPL250A-AKU-Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATPL250A-AKU-Y requirements.
6.How does Aetrix verify that ATPL250A-AKU-Y is sourced from the original manufacturer or authorized distributors?
All ATPL250A-AKU-Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ATPL250A-AKU-Y meets industry standards.
7.What is the process for return or replacement of ATPL250A-AKU-Y?
All ATPL250A-AKU-Y units undergo pre-shipment inspection (PSI). If there is an issue with ATPL250A-AKU-Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ATPL250A-AKU-Y part is unused and in its original packaging.
Return procedure for ATPL250A-AKU-Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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