This post explains for the Audio Power IC.
The Part Number is TB2929HQ.
The function of this semiconductor is 45W X 4-ch BTL Audio Power IC.
The package is HZIP 25 Pin type
Manufacturer: Toshiba
Preview images :
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Description
The TB2929HQ is a four-channel BTL power amplifier for car audio applications.
BTL, which stands for “Bridge-Tied Load,” is a configuration commonly used in power amplifiers. A BTL power amplifier is designed to deliver a higher power output to a load (typically a speaker) by utilizing a bridge-tied load arrangement. This configuration allows for increased power without the need for a higher supply voltage.
This IC has a pure complementary P-ch and N-ch DMOS output stage, offering maximum output power (POUT MAX) of 45 W. It includes a standby switch, mute function and various
protection features.
Features
0. High output power
1. Standby switch (pin 4)
2. Mute function (pin 22)
3. Built-in AUX amplifier from single input to 2 channels output (pin 25)
4. Various protection features
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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.
TB2929HQ PDF Datasheet
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