Texas Instruments AMC131M03EVM-PDK

Overview

AMC131M03EVM-PDK from Texas Instruments is an evaluation module kit comprising the AMC131M03EVM board and the Precision Host Interface (PHI) controller board, designed to evaluate the 3-channel, simultaneously-sampling, 24-bit reinforced isolated delta-sigma ADC with integrated DC/DC converter and SPI interface. It supports USB-powered operation, high-resolution (8.192 MHz) and low-power (4.096 MHz) clock modes, and includes GUI software for time-domain, spectral, and histogram analysis of conversion data in energy metering and protection relay applications.

For engineers reviewing the AMC131M03EVM-PDK datasheet, AMC131M03EVM-PDK pinout, AMC131M03EVM-PDK application, or AMC131M03EVM-PDK equivalent, this page delivers verified hardware configuration details, USB-based host interface architecture, jumper-selectable clock sources, analog input channel routing options (AIN0–AIN2), and GUI-controlled register access - all specific to the shipped EVM-PDK kit including PHI board, USB cable, and Windows-compatible software suite.

Technical Context

The AMC131M03EVM-PDK implements a dual-board architecture: the AMC131M03EVM board hosts the AMC131M03 ADC, onboard 8.192-MHz crystal oscillator, differential analog input terminals (J1–J3), and SPI/I²C peripherals; the PHI board provides USB 2.0 connectivity, digital signal conditioning (DIN/DOUT/SCLK/DRDY/SYNC), 3.3-V LDO-regulated DVDD, EEPROM-based identification, and clock generation (OSC_EN, MCLK_OUT).

Signal flow is strictly partitioned: analog inputs feed three isolated channels via screw terminals or headers with configurable common-mode/differential filtering; digital control and data transfer occur over a 60-pin shrouded connector (J6) using SPI frames (16/24/32-bit word size) and I²C for EEPROM initialization; clock selection is hardware-jumpered (JP4) between 8.192 MHz (Y1), 4.096 MHz (U3 divider), or external source, with GUI synchronization limited to supported modes.

Key Specifications

Availability

AMC131M03EVM-PDK is available at Aetrix Electronics and suitable for energy metering validation, power quality monitoring, protection relay prototyping, and circuit breaker design requiring stable component supply and full-featured evaluation infrastructure.

Supply support for AMC131M03EVM-PDK 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

Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions across industrial, automotive, and communications markets.

The AMC131M03EVM-PDK belongs to TI's precision isolated sensing evaluation platform family, engineered to accelerate development of high-accuracy, reinforced-isolation measurement systems for revenue-grade energy monitoring and grid-edge protection applications.

FAQ

What is included in the AMC131M03EVM-PDK kit?

The AMC131M03EVM-PDK kit includes the AMC131M03EVM evaluation board, the Precision Host Interface (PHI) controller board, a USB Type-A-to-Micro-B cable, and access to the Windows-compatible GUI software suite. No external power supply is needed - the entire system draws power via USB from the host PC. The kit enables full functional evaluation of the AMC131M03 ADC, including analog input testing, SPI register configuration, and real-time data analysis using time-domain, spectral, and histogram tools.

Does the AMC131M03EVM-PDK require external power or drivers?

No external power supply is required for the AMC131M03EVM-PDK - it operates entirely from USB 5 V supplied through the PHI board. However, device drivers must be installed during first-time setup: the installer includes a signed USB composite device driver and prompts for LabVIEW Run-Time Engine v2020 or later. Windows may display a publisher verification warning; users must select "Install this driver software anyway" to proceed. Driver installation is mandatory before the GUI recognizes the hardware.

How are analog inputs configured on the AMC131M03EVM-PDK?

Analog inputs on the AMC131M03EVM-PDK are configured via three independent channels (AIN0, AIN1, AIN2), each accessible through screw terminal blocks (J1–J3) or header pins. Channel 0 and 1 support differential input with optional common-mode/differential filtering; AIN2 shares AIN12N and can be routed either to J1 terminal block (JP1 [1–2]) or to the TMP6331 temperature sensor output (JP1 [2–3]). Jumpers JP2 and JP3 allow grounding of AIN0N and AIN1N respectively for single-ended use cases.

What clock options does the AMC131M03EVM-PDK support?

The AMC131M03EVM-PDK supports four CLKIN configurations via JP4 jumper: 8.192 MHz (onboard crystal Y1), 4.096 MHz (divided by U3), PHI-generated clock (GUI-configurable), or external clock applied to JP4[5]. When using external clock, JP6 must be installed to disable Y1, and shared ground between source and EVM is mandatory. The GUI currently does not support CLKIN sourced from the PHI - only the jumper-selected modes are fully operational.

Can the AMC131M03EVM-PDK be used without the PHI board?

No - the AMC131M03EVM-PDK requires the PHI board for operation. The PHI provides essential functions: USB communication bridge, 3.3-V DVDD power regulation, SPI/I²C signal translation, clock distribution (OSC_EN, MCLK_OUT), and EEPROM-based EVM identification. The AMC131M03EVM board lacks USB transceivers, power regulation, or host interface logic; its J6 60-pin connector is designed exclusively for mating with the PHI. Standalone use without PHI is not supported.