TB2938HQ

Bi-CMOS Linear Integrated Circuit Silicon Monolithic TB2938HQ TB2938HQ Maximum Power 49W BTL  4-ch Audio Power IC 1. Description The TB2938HQ 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 49W. It includes a standby switch, mute function and various protection features. 2. Applications Power IC developed for car audio applications. Weight: 7.7 g (typ.) 3. Features  High output power, low distortion, and low noise property (for details, refer to the Table 3-1)  Built-in various detection function (Output DC offset detection, Output short, Output layer short) (pin25)  Built-in various mute functions (low voltage, standby on/off) (pin22)  Built-in standby switch (pin4)  Built-in mute switch (pin22)  Start stop Cruising corresponded (at Vcc=6V)  Built-in various protection circuits (thermal shut down, over-voltage, short to GND, short to VCC, and output to output short, speaker current limiting) Table 3-1 Typical Characteristics (Note1,Note2) Condition Typ. Unit Output power (POUT) VCC = 15.2 V, JEITA max 49 VCC = 14.4 V, JEITA max 44 VCC = 14.4 V, THD = 10% 29 THD = 10% 24 W Total harmonic distortion (THD) POUT = 5 W 0.01 % Output noise voltage (VNO) (Rg = 0 Ω), BW = 20 Hz to 20 kHz 50 µV Operating Supply voltage range (VCC) RL = 4 Ω 6 to 18 V Note1: Typical test conditions: VCC = 13.2 V, f = 1 kHz, RL = 4 Ω, GV = 26 ...