參數(shù)資料
型號(hào): TDA7575PD
廠商: 意法半導(dǎo)體
英文描述: MULTIFUNCTION DUAL BRIDGE POWER AMPLIFIER WITH INTEGRATED DIGITAL DIAGNOSTICS
中文描述: 多功能雙橋功率放大器,集成了數(shù)字診斷
文件頁(yè)數(shù): 12/17頁(yè)
文件大?。?/td> 538K
代理商: TDA7575PD
TDA7575PD
12/17
Afterwards, when the Amplifier is biased, the PERMANENT diagnostic takes place. The previous Turn On state
is kept until a short appears at the outputs.
Fig A: Turn - On diagnostic:
working principle
Fig. B and C show SVR and OUTPUT waveforms at the turn-on (stand-by out) with and without TURN-ON DI-
AGNOSTIC.
Fig B: SVR and Output behaviour
CASE 1:
without turn-on diagnostic
FIG. C: SVR and Output pin behaviour
CASE 2:
with turn-on diagnostic
CH-
CH+
Isource
Vs~5V
Isink
t (ms)
I (mA)
Isink
Isource
~100mS
Measure time
Bias (power amp turn-on)
t
Diagnostic Enable
(Permanent)
Permanent diagnostic
acquisition time (100mS Typ)
Permanent Diagnostics data (output)
permitted time
I2CB DATA
Vsvr
Out
FAULT
event
Read Data
Bias (power amp turn-on)
permitted time
Turn-on diagnostic
acquisition time (100mS Typ)
t
Read Data
Permanent diagnostic
acquisition time (100mS Typ)
Permanent Diagnostics data (output)
permitted time
Diagnostic Enable
(Turn-on)
Turn-on Diagnostics data (output)
permitted time
I2CB DATA
Vsvr
Out
Diagnostic Enable
(Permanent)
FAULT
event
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