TDA7563ASM 查看數據表（PDF） - STMicroelectronics

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TDA7563ASM

4 x 50 W power amplifier with high efficiency and built-in I2C diagnostic

STMicroelectronics 

Diagnostics functional description

TDA7563A

by an I2C reading. This is to ensure continuous diagnostics throughout the car-

radio operating time.

– To check the status of the device a sampling system is needed. The timing is

chosen at microprocessor level (over half a second is recommended).

Figure 25. Restart timing without diagnostic enable (permanent) - Each 1ms time, a

sampling of the fault is done

/UT

M3

M3

M3 M3

M3

/VERCURRENT AND SHOR T

CIRCUIT PROTECTIONINTERVENTION

IESHORT CIRCUI TT O'.$

T

3HORT CI RCUI TREMOVED

Figure 26. Restart timing with diagnostic enable (permanent)

'!0'03

M3

M3

/VERCURRENT ANDSHORT

CIRCUITPROTECTI ON IN TERVENTI ON

IES HORTC IRCUI TTO'.$

M3

M3

T

3HO RTCIRCUIT REMOVED

'!0'03

16/35

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