Protection Circuit Testing - Philips TDA8591J Datasheet

Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
13.1

Protection circuit testing

handbook, full pagewidth
One channel output shown.
At the start of the test, the 4700 µF capacitor should be discharged.
The amplifier is in standby during test.
(1) Cable length is 1 metre, cable diameter is 1.5 mm.
handbook, full pagewidth
One channel output shown.
At the start of the test, the 4700 µF capacitor should be discharged.
The amplifier is in standby during test.
(1) Cable length is 1 metre, cable diameter is 1.5 mm.
2002 Jan 14
TDA8591J
IN
4700 µF
STBY
Fig.30 Open ground pin test set-up.
TDA8591J
IN
4700 µF
STBY
Fig.31 Open power supply (pin V
> 100 µH
V P
OUT−
OUT+
battery
GND
> 100 µH
V P
OUT−
OUT+
battery
GND
) test set-up.
P
23
Preliminary specification
(1)
− +
14.4 V
MGW453
(1)
−
+
14.4 V
MGW454
TDA8591J