Introduction
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1 Introduction
The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver
for its particular platform) to communicate with the Texas Instruments SMBus and I
2
C interface gas
gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to interpret
the gas gauge data to complete the evaluation system.
1.1 Features
• Fully powered from the USB port
• Optional 5-V port for powering high-power voltage drivers (future upgrade)
• Complete interface between the USB and SMBus or I
2
C interfaces using a simple API
• Expansion port for future upgrades
1.2 Kit Contents
• EV2400 circuit module
• Standard USB cable
1.3 Ordering Information
Table 1. Ordering Information
EVM Part Number
EV2400
2 Interfaces
The EV2400 interfaces are described in the following table. The reference designators on the circuit board
and the functions are also listed.
Reference Designator Function Details
Terminal block for connecting to a target
Port 1: SMB SMBus Interface Port
device
Terminal block for connecting to a target
Port 2: I2C I
2
C Interface Port
device
Port 3: HDQ HDQ and DQ Interface Ports Future expansion port
Port 4 Single Wire Port Future expansion port
Port 5 GPIO Port Future expansion port
2
EV2400 EVM Interface Board SLUU446B–June 2011–Revised August 2014
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