(Hong Kong)
Product Summary
The TB2912HQ is 4ch audio amplifier for car audio application. TB2912HQ can generate high power, high quality sound output, using a pure complementary P-ch and N-ch DMOS output stage. The built-in self diagnosis function which is included can be controlled via I2C BUS. In addition, stand-by and mute function, and various Protection feature are included.
Parametrics
TB2912HQ absolute maximum ratings: (1)Peak supply voltage (0.2 s): 50 V; (2)DC supply voltage: 28 V; (3)Operation supply voltage: 18 V; (4)Output current (peak) IO (peak): 9 A; (5)Power dissipation: 125 W; (6)Operation temperature Topr: -40 to 85 ℃; (7)Storage temperature Tstg: -55 to 150 ℃.
Features
TB2912HQ features: (1)High power output: POUT MAX (1) = 41 W (typ.); (2)Low distortion ratio: THD = 0.015% (typ.); (3)Low noise: VNO = 90 μVrms (typ.); (4)Built in stand by & muting function: controlled via I2C Bus (pin 16); (5)Built in clipping detection (pin 4); (6)Built in I2C Bus for stand-by, mute, voltage gain control, self diagnosis: Output short detection, offset detection, tweeter or speaker open detection (pin 22 and 25); (7)Built-in various protection circuits (Note 1, Note 2) Thermal shut down, over-voltage, out to GND, out to VCC, out to out short circuit; (8)Operating supply voltage: VCC (opr) = 9 to 18 V.
Diagrams
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TB2901HQ |
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TB2902HQ |
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TB2903HQ |
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TB2904HQ |
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TB2905HQ |
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