TDF8555J NXP Semiconductors, TDF8555J Datasheet - Page 32

• Manufacturer Part Number: TDF8555J
• Description: The TDF8555J is one of a new generation of complementary quad Bridge-Tied Load(BTL) audio power amplifiers with full I²C-bus controlled diagnostics, multiple voltageregulator and two power switches intended for automotive applications
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDF8555J
Product data sheet
Table 21.
Table 22.
Bit
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Symbol
D6
D5
D4
D3
D2
D1
D0
Symbol
D7
D6
D5
D4
D3
D2
D1
D0
Data byte DB3 bit description
Data byte DB4 bit description
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 15 September 2011
Description
supply overvoltage
channel 3 load detection results; see
channel 3 diagnostic results; see
channel 3 output offset
channel 3 V
channel 3 short-circuit to ground detection
Description
V
system status
channel 1 load detection results; see
channel 1 diagnostic results; see
channel 1 output offset
channel 1 short-circuit to V
channel 1 short-circuit to ground
P
0 = no supply overvoltage has occurred
1 = supply overvoltage has occurred
0 = no output offset
1 = output offset
0 = no short-circuit to V
1 = short-circuit to V
0 = no short-circuit to ground
1 = short-circuit to ground
0 = V
1 = V
0 = system not busy with start-up diagnostic/start-up
1 = system busy with start-up diagnostic cycle or amplifier start-up (if
selected by IB1[D0])
0 = no output offset
1 = output offset
0 = no short-circuit to V
1 = short-circuit to V
0 = no short-circuit to ground
1 = short-circuit to ground
= 16 V behavior
4 45 W power amplifier with multiple voltage regulator
P
P
not above 16 V
has been above 16 V
P
short-circuit detection
…continued
P
P
P
P
P
Table 19
Table 19
Table 18
Table 18
TDF8555J
© NXP B.V. 2011. All rights reserved.
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