Silicon Labs TS1103-25DB, Current Sensing Amplifier Demonstration Board for TS1103-25

Demonstration boards for the TS1103, available in a choice of four gain options; 25, 50, 100 and 200. These boards are fully assembled and tested. The board is configured with an 50 mOhm resistor.

They have five dedicated test points; RS+, RS-, VDD, SIGN and output voltage. These boards include decoupling capacitor pad at the VBATT input pin and a 47nF capacitor at the VOUT output pin. The demo board can be set up to sense current in both directions.

The TS1103 has a wide input voltage range from 1.6 to 27 Volts and available in 6-pin SOT23 packages.

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Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.