TB2909FNG BiCMOS Linear Integrated Circuit Silicon Monolithic TB2909FNG Maximum Power 5 W SEPP 1ch Audio Power Amp IC 1. Description The TB2909FNG is a power IC with built-in one-channel SEPP amplifier for sound output applications such as audios and vehicle approach warning devices. It includes a standby switch, mute function, and various protection features for audios. P-HTSSOP16-0505-0.65-001 2. Applications Power IC for sound output applications Weight: 0.062 g (typ.) 3. Features Built-in various mute functions (for low voltage mute and standby-off mute) Built-in standby switch (pin7) Built-in mute switch (pin6) Built-in various protection circuits(thermal shutdown, over-voltage protection, output short and load short protection) Built-in thermal detection (pin9) Built-in over-voltage detection (pin10) Built-in output short detection (pin11) Built-in load short detection (pin11) Built-in speaker open detection (pin12) Table1 Typical Characteristics (Note1) Condition Typ. Unit Output power (P ) OUT MAX V = 16 V Max Power 5 W CC 3 W V = 12 V Max Power CC THD = 10% 2 W Total harmonic distortion (THD) P = 0.125 W OUT 0.08 % (V = 1 Vrms) OUT Output noise voltage (V ) NO DIN AUDIO, Rg = 620 50 Vrms Operating Supply voltage range (V ) CC 6 to 16 V RL = 8 Note1: Typical test conditions V = 12 V, f = 1 kHz, R = 8 , G = 20 CC L V dB, Ta = 25C unless otherwise specified Rg: signal source resistance 2014-2021 2021-02-05 1 Toshiba Electronic Devices & Storage Corporation TB2909FNG R2 IN 4 OUT AMP C1 R1 16 Test 8 Monitor 15 7 Stby VP PW-GND1 14 Play R3 6 Mute Mute PW-GND2 13 3 Ripple Diag1 Speaker Open 12 2 NC Diag2 Short 11 5 Pre-GND Diag3 Over Voltage 10 Diag4 Thermal 9 Vcc 1 +B 4. Block Diagram Note2: Some of the functional blocks, circuits or constants in the block diagram may have been omitted or simplified for clarity. 2021-02-05 2 C4 C3 C6 C7 R = 8 L C5 R