Texas Instruments Corporation

Kashyap Barot

Kumar Anurag Shrivastava

Sreeram Subramanyam Nasum

Sreeram N S

A circuit includes a switch and a switch controller. The switch has a first terminal coupled to a voltage supply terminal, a second terminal coupled to a ground terminal and to a first bondwire terminal. The switch controller includes: a first resistor, a second resistor, a capacitor, and a buffer circuit. The first resistor has a first terminal coupled to a second bondwire terminal. The second resistor has a first terminal coupled to the voltage supply terminal and has a second terminal coupled to a second terminal of the first resistor. The capacitor has a first terminal coupled to the ground terminal and to the first bondwire terminal and has a second terminal coupled to second terminals of the first and second resistors. The buffer circuit has a terminal coupled to the second terminal of the capacitor and has an output terminal coupled to the control terminal of the switch.

Integrated circuit with bondwire fault detection circuit

A device includes a transformer having primary windings and secondary windings, and a transmit circuit coupled to the primary windings. The transmit circuit is configured to receive an input signal, and provide a carrier signal to the primary windings responsive to the input signal. The device also includes a receive circuit coupled to the secondary windings. The receive circuit is configured to receive the carrier signal from the secondary windings, and provide an output signal responsive to the carrier signal. The receive circuit includes a variable capacitor coupled in parallel to the secondary windings, and a spread spectrum modulation circuit configured to modulate a capacitance of the variable capacitor.

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Bengaluru, India

Kashyap Barot