TDA75612LV 2 4 x 45 W power amplifier with full I C diagnostics, SSR and low voltage operation Datasheet - production data Standby/mute pin Linear thermal shutdown with multiple thermal warning ESD protection Very robust against misconnections Flexiwatt27 (vertical) Improved SVR suppression during battery transients Capable to operate down to 6 V (e.g. Start-stop) Enableable SSR (speaker safety routine) Features Description Multipower BCD technology MOSFET output power stage The TDA75612LV is a new quad bridge car radio amplifier, designed in BCD technology, in order to DMOS power output include a wide range of innovative features in a High output power capability 4x25 W/4 very compact and flexible device. 14.4 V, 1 kHz, 10% THD, 4 x 45 W max power The TDA75612LV is equipped with the most 2 driving capability (64 W max power) complete diagnostics array that communicates 2 2 Full I C bus driving: the status of each speaker through the I C bus. Standby TDA75612LV has been designed to be very Independent front/rear soft play/mute robust against several kinds of misconnections. Selectable gain 30 dB /16 dB (for low noise The TDA75612LV is equipped with the SSR line output function) 2 (speaker safety routine), a procedure able to I C bus digital diagnostics (including DC check the offset at the speakers and automatically and AC load detection) shut down the power amplifier in case of Flexible fault detection through integrated dangerous DC voltage. diagnostic It is moreover compliant to the most recent OEM DC offset detection specifications for low voltage operation (so called Four independent short circuit protection start-stop battery profile during engine stop), Clipping detector pin with selectable threshold helping car manufacturers to reduce the overall (2 %/10 %) emissions and thus contributing to environment protection. Table 1. Device summary Order code Package Packing TDA75612LV-48X Flexiwatt27 (vertical) Tube September 2014 DocID025639 Rev 4 1/35 This is information on a product in full production. www.st.com 0 03 Contents TDA75612LV Contents 1 Block diagram and application circuits . 6 2 Pins description 7 3 Electrical specifications 9 3.1 Absolute maximum ratings . 9 3.2 Thermal data . 9 3.3 Electrical characteristics 10 4 Diagnostics functional description 14 4.1 Turn-on diagnostic 14 4.2 Permanent diagnostics . 16 4.3 AC diagnostic 17 5 Output DC offset detection . 19 5.1 Offset detection and mute at start-up, SSR (Speaker Safety Routine) 19 5.2 Offset detection in normal operation 20 6 Multiple faults . 21 6.1 Faults availability . 21 7 Thermal protection . 22 7.1 Fast muting 22 8 Battery transitions management 23 8.1 Low voltage operation (start stop) . 23 8.2 Advanced battery management 24 2 9I C bus . 25 2 9.1 I C programming/reading sequences 25 2 9.2 Address selection and I C disable 25 2 9.3 I C bus interface 25 9.3.1 Data validity 25 2/35 DocID025639 Rev 4