TB2939HQ is 45W X 4-ch BTL Audio Power IC manufactured by Toshiba.
| Part Number | Description |
|---|---|
| TB2931HQ | 4-Channel Audio Amplifier |
| TB2932HQ | Maximum Power 49 W BTL X 4-ch Audio Power IC |
| TB2934HQ | Maximum Power 41 W BTL x 4-ch Audio Power IC |
| TB2936HQ | 49W X 4-ch BTL Audio Power IC |
| TB2938HQ | Maximum Power 49W BTL x 4-ch Audio Power IC |
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.
