Push button reboot controllers target wearable devices
The XC6190 series of push button reboot controllers, which are designed for system reboot by means of a signal input from external buttons, has been released by TOREX SEMICONDUCTOR. The timer reset ICs supply a reboot signal to the system when 'L' voltage is input into both the SW1 pin and the SW2 pin for the required time (reboot delay time) using two switches (physical buttons).
On the A type, the reboot delay time (TDL) can be set between1 and 20s by changing the external resistance RT. On the B type, TDL is fixed internally and is 12.5s when the TS pin is at 'H' level or 7.5s when the TS pin is at 'L' level. The reboot signal is output for 0.4s (TYP.) and then automatically returns to the regular state.
The quiescent current of the controllers in the standby state is 0.01μA, which extends battery life. Offered in USPN-6 and USPN-6B01 packages, the devices reduce the space required for mounting. This space is further reduced in internally-fixed reboot delay time products, where components such as capacitors and resistors are not required. To prevent malfunctioning, the XC6190 controllers are offered with UVLO.
The controllers are particularly suitable for smartphones, wearables, portable music players and game consoles, and wireless headphones and headsets.
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Panasonic PhotoMOS® Photovoltaic MOSFET High-Power Drivers
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