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TA8266HQ

Max Power 35 W BTL X 4 ch Audio Power IC

Toshiba 

TA8266HQ

6.1 Applications

When output terminals short-circuit to VCC or GND, the voltage of 25pin is fixed to “L”.

And when shorting OUT + to OUT −, “L” and “H” are switched according to an input signal.

Therefore, it is possible to judge how the power IC condition is if a micro-controller detects the

25pin voltage that is smoothed out with LPF.

It is recommend that the threshold voltage (Vth) is set up as higher as possible because output level

of LPF is changed according to an input signal.

(for example, Vth is set up to 4 V if 25pin is pulled up to 5 V line.)

Output voltage of L.P.F.

Operating point of protector

5V

Figure 10

Output power

7

2006-04-28

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