This post explains for the semiconductor Audio Power IC.
The Part Number is TB2926CHQ, TB2926.
The function of this semiconductor is 49W x 4-ch BTL Audio Power IC.
The package is ZIP 25 Pin Type
Manufacturer: Toshiba
Preview images :
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Description:
The TB2926CHQ is a four-channel BTL power amplifier for car audio applications.
This IC has a pure complementary P-ch and N-ch DMOS output stage, offering maximum output power (POUT MAX) of 49 W. It includes a standby switch, mute function and various protection features.
Features:
1. Standby switch (pin 4)
2. Mute function (pin 22)
3. Output DC offset detection (pin 25)
4. Various protection features
Standby Switch (pin 4) :
The power supply can be turned on or off via pin 4 (Stby). The threshold voltage of pin 4 is
set at about 3 VBE (typ.). The power supply current is about 0.01 μA (typ.) in the standby state.
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