AXPA17850 4 x 50W AB类 - AB类功放 - 触摸芯片,功放芯片,充电管理ic-深圳市佰泰盛世科技有限公司|佰泰盛世

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产品名称：AXPA17850 4 x 50W AB类
型号： AXPA17850
产片介绍：DescriptionAXPA17850 is an automotive quad bridge class AB car radio audio power amplifier designed in BCD(Bipolar, CMOS, DMOS) technology with a fully complemen

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Description

AXPA17850 is an automotive quad bridge class AB car radio audio power amplifier designed in BCD

(Bipolar, CMOS, DMOS) technology with a fully complementary P-Channel/N-Channel output structure.

It has a rail to rail output voltage swing, high output current and minimized saturation losses, giving it an

excellent unparalleled distortion performance. AXPA17850 can operate down to 6V for low voltage

operation to achieve 'start-stop' battery profile during engine stop enabling reduction in overall emissions.

Features

▪ Multipower BCD technology with DMOS

MOSFET output power stage

▪ Excellent 2 Ω driving capability

▪ Hi-Fi class low distortion

▪ Low output noise

▪ High immunity to RF noise injection

▪ Standby function

▪ Mute function

▪ Auto-mute at min. supply voltage detection

▪ Low external component count

▪ Internally fixed gain (26 dB)

▪ No external compensation

▪ No bootstrap capacitors

▪ Capable to operate down to 6V (e.g. “start

stop”)

▪ High output power capability:

▪ 4 x 50 W/4 Ω max.

▪ 4 x 30 W/4 Ω @ 14.4 V, 1 kHz, 10 %

▪ 4 x 80 W/2 Ω max.

▪ 4 x 55 W/2 Ω @ 14.4V, 1 kHz, 10 %

▪

Protections:

▪ Output short circuit to GND, to Vs, across

the load

▪ Very inductive loads

▪ Overrating chip temperature with soft

thermal limiter

▪ Output DC Offset detection

▪ Output Clipping detection

▪ Load dump

▪ Fortuitous open Ground

▪ Reversed Battery

▪ ESD

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