Features: • High power output
: POUT MAX (1) = 41 W (typ.) (VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 4 )
: POUT MAX (2) = 37 W (typ.) (VCC = 13.7 V, f = 1 kHz, JEITA max, RL = 4 )
: POUT MAX (3) = 70 W (typ.) (VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 2 )
: POUT (1) = 27 W (typ.) (VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 4 )
: POUT (2) = 23 W (typ.) (VCC = 13.2 V, f = 1 kHz, THD = 10%, RL = 4 )
: POUT (3) = 45 W (typ.) (VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 2 )
• Low distortion ratio: THD = 0.015% (typ.) (VCC = 13.2 V, f = 1 kHz, POUT = 5 W, RL = 4 )
• Low noise: VNO = 90 Vrms (typ.) (VCC = 13.2 V, Rg = 0 , BW = 20 Hz to 20 kHz, RL = 4 )
• Built in stand by & muting function: controlled via I2C Bus (pin 16)
• Built in clipping detection (pin 4)
• 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)
• 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
• Operating supply voltage: VCC (opr) = 9 to 18 V (RL = 4 ) VCC (opr) = 9 to 16 V (RL = 2 )
Specifications
| Characteristics |
Symbol |
Rating |
Unit |
| Peak supply voltage (0.2 s) |
VCC (surge) |
50 |
V |
| DC supply voltage |
VCC (DC) |
28 |
V |
| Operation supply voltage |
VCC (opr) |
18 |
V |
| Output current (peak) |
IO (peak) |
9 |
A |
| Power dissipation |
PD
(Note 19) |
125 |
W |
| Operation temperature |
Topr |
−40 to 85 |
|
| Storage temperature |
Tstg |
−55 to 150 |
|
Note 19: Package thermal resistance j-T = 1/W (typ.) (Ta = 25, with infinite heat sink)
DescriptionThe TB2902HQ is 4ch audio amplifier for car audio application. This IC can generate high power, high quality sound output, POUT MAX = 41 W, 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.
TB2902HQ Data Sheet
