AN10436 PHILIPS [NXP Semiconductors], AN10436 Datasheet - Page 17
AN10436
Manufacturer Part Number
AN10436
Description
TDA8932B/33(B) Class-D audio amplifier
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.AN10436.pdf
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Application note
2.6.8 OverTemperature Protection (OTP)
2.7 Pinning information
The OTP is activated only in a fault condition when the junction temperature exceeds
155 °C (typical) e.g. during a short across the SE capacitor. The DIAG output is set low for
at least 50 ms and an internal timer of 100 ms is started. The timer will keep the power
stage disabled for at least 100 ms.
When the junction temperature exceeds 140 °C during normal operation, the thermal
foldback is active without causing any audio holes (interruptions). See also
Fig 8. Pin configuration SO32
Rev. 01 — 12 December 2007
POWERUP
V
V
ENGAGE
OSCREF
HVPREF
SSD(HW)
SSD(HW)
INREF
CGND
TEST
DIAG
V
V
IN1N
IN2N
IN1P
IN2P
DDA
SSA
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
TDA8932BT
TDA8933T
TDA8932B/33(B) Class-D audio amplifier
010aaa422
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
OSCIO
HVP1
V
BOOT1
OUT1
V
STAB1
STAB2
V
OUT2
BOOT2
V
HVP2
DREF
V
SSD(HW)
DDP1
SSP1
SSP2
DDP2
SSD(HW)
AN10436
© NXP B.V. 2007. All rights reserved.
Section
17 of 55
2.6.1.
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