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INA230EVM Datasheet(PDF) 9 Page - Texas Instruments |
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INA230EVM Datasheet(HTML) 9 Page - Texas Instruments |
9 / 27 page www.ti.com INA230EVM Hardware 3.5 INA230EVM Default Jumper Settings Figure 8 shows the default jumper configuration for the INA230EVM. In general, the jumper settings of the SM-USB-DIG Platform do not need to be changed. You may want to change some of the jumpers on the INA230EVM board to match your specific configuration. For example, you may wish to set a specific I 2C address by configuring J3-J6. Figure 8. INA230EVM Default Jumper Settings Typically, jumper 2 on the INA230EVM is always set to the INT position. When set to the INT position, the SM-USB-DIG Platform provides the supply for the INA230. When this jumper is set to the EXT position, an external supply voltage can be connected to terminal strip T2 to provide the supply for the INA230. Jumpers 3 through 6 control the I 2C address pins for the INA230. These jumpers can set the address for A0 and A1 to either supply, ground, SCL, or SDA. Make sure to only connect one jumper at a time for each address control. Failure to properly connect jumpers can cause shorts or interruptions in the communication lines. For more information on the INA230 addressing, refer to the INA230 product data sheet. Table 4 summarizes the function of the INA230 Test Board jumpers. For most applications, all jumpers should be left in the respective default configurations. Table 4. INA230EVM Test Board Jumper Functions Jumper Default Purpose J2 INT This jumper selects whether the V S pin on the INA230 is connected to the V DUT signal generated from the SM-USB-DIG Platform or whether the digital supply pin is connected to terminal T2, allowing for an external supply to power the device. The default INT position connects the V S pin to the V DUT control signal. J3/J4 GND This jumper selects the I 2C A0 address selection for A0. J5/J6 GND This jumper selects the I 2C A1 address selection for A1. 9 SBOU124 – March 2012 INA230EVM Evaluation Board and Software Tutorial Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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