The TA8006SN is an lC specially designed for microcomputer systems. It incorporates a highly accurate constant-voltage power supply (5+0.1V) and various system reset functions. For system reset, it monitors two voltages-84% and 92% of VREG-and has a watchdog timer which can self-diagnose the microcomputer system so that program runaway can be prevented. It also has an overvoltage protection function and a current limiter. Since its standby current is as small as 0.7mA (max.), it can be connected directly to an automotive battery.
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