1. Out of the Box

The NXP analog product development boards provide an easy-to-use platform for evaluating NXP products. The boards support a range of analog, mixed-signal and power solutions. They incorporate monolithic integrated circuits and system-in-package devices that use proven high-volume technology. NXP products offer longer battery life, a smaller form factor, reduced component counts, lower cost and improved performance in powering state-of-the-art systems.

This page guides you through the process of setting up and using the EVBMA7X18DT1 board.

1.1 Kit Contents and Packing List

The EVBMA7X18DT1 contents include:

Assembled and tested EVBMA7X18DT1 board in an antistatic bag
Transport protocol link (TPL) cable
Battery emulator connector cable

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2. Get Hardware

2.1 Board Features

The board implements a resistive divider to allow evolution of the analog front-end (AFE) without cell emulators
Option to connect to the BATT-18EMULATOR or real cells
Option to connect cell 0 to an external stimulus
Easy access to general-purpose input/output (GPIO) pins
Operation mode indicator
Components assembly only on the top side
Compact design
Minimized BOM

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2.2 Board Description

The EVBMA7X18DT1 is an evaluation board for battery cell controller. It comes with one BMA7418 chip, an AFE IC that supports up to 18 cells and includes electrochemical impedance spectroscopy (EIS) functionality. The BMA7418 includes the feature set of the BMA7118, enabling the board to serve as an evaluation platform for both devices.

The board already includes all components needed to run the BMA7418. It can be powered using a DC laboratory power supply, the BATT-18EMULATOR or real battery cells.

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2.3 Board Components

Figure 1. Block Diagram

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3. Configure Hardware

3.1 Configure the Hardware

Figure 2 shows a complete setup. The setup uses the BATT-18EMULATOR to supply and emulate the cell voltages for two EVBMA7X18DT1. The KIT6X02AP2T1 enables communication to a regular PC. The evaluation GUI displays the measured voltages and allows interacting with the BMA7X18 devices. Depending on the scope of evaluation, the evaluation system can be altered to use different components (for example, real battery cells or a different TPL communication source).