Zinitix Co., Ltd.

Dae Yeul Tcho

Jin Woo Lee

Young Hee Lee

Kwang Soo Kim

Byeong Checl So

Hoai Sig Kang

Ji Soo Lim

Provided is a vibration motor driving device that controls a vibration motor. The vibration motor driving device includes: a control signal selection unit configured to receive a second control signal provided from a touch detection unit for detecting a touch input to a touch panel and including information for controlling the vibration motor; and a driving current output unit configured to output a vibration motor driving current for driving the vibration motor according to the second control signal.

User interface device driving chip for providing improved input feedback and electronic device using the same

A coil-driving IC having a first output terminal configured connected to a first terminal of a coil and a second output terminal configured connected to a second terminal of the coil is disclosed. The coil-driving IC comprises a first switch connected to the first output terminal; a second switch connected to the second output terminal; a current driving part comprising a first current terminal connected to the first output terminal via the first switch and a second current terminal connected to the second output terminal via the second switch; and a gate driving part controlling the first switch and the second switch so that, when the coil is driven by a current provided from the first current terminal or the second current terminal, the first switch and the second switch are in an ON state, otherwise, the first switch and the second switch are in an OFF state.

Coil driver IC having a circuit capable of placing a coil connected output terminal into a floating state

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Gyeonggi-do, South Korea

Dae Yeul Tcho