TDF8599 NXP Semiconductors, TDF8599 Datasheet - Page 52

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TDF8599

Manufacturer Part Number
TDF8599
Description
I2C-bus controlled dual channel 43 W/2 W single channel 85 W/1 W class-D power amplifier
Manufacturer
NXP Semiconductors
Datasheet

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NXP Semiconductors
24. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.3.1
8.3.2
8.3.3
8.3.4
8.4
8.4.1
8.4.2
8.4.3
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.6
8.6.1
8.6.2
8.6.2.1
8.6.2.2
8.6.2.3
8.6.2.4
8.6.3
9
9.1
9.2
10
11
12
12.1
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 6
I
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 27
Thermal characteristics. . . . . . . . . . . . . . . . . . 27
Static characteristics. . . . . . . . . . . . . . . . . . . . 28
2
C-bus specification . . . . . . . . . . . . . . . . . . . . 23
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pulse-width modulation frequency . . . . . . . . . . 8
Master and slave mode selection . . . . . . . . . . . 8
Spread spectrum mode (Master mode) . . . . . . 9
Frequency hopping (Master mode). . . . . . . . . 10
Phase lock operation (Slave mode) . . . . . . . . 10
Operation mode selection. . . . . . . . . . . . . . . . 11
Modulation mode . . . . . . . . . . . . . . . . . . . . . . 12
Phase staggering (Slave mode) . . . . . . . . . . . 13
Parallel mode . . . . . . . . . . . . . . . . . . . . . . . . . 14
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Thermal foldback . . . . . . . . . . . . . . . . . . . . . . 15
Overtemperature protection . . . . . . . . . . . . . . 15
Overcurrent protection . . . . . . . . . . . . . . . . . . 15
Window protection . . . . . . . . . . . . . . . . . . . . . 16
DC Protection . . . . . . . . . . . . . . . . . . . . . . . . . 16
Supply voltages . . . . . . . . . . . . . . . . . . . . . . . 17
Overview of protection circuits and amplifier
states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Diagnostic output . . . . . . . . . . . . . . . . . . . . . . 18
Diagnostic table . . . . . . . . . . . . . . . . . . . . . . . 18
Load identification (I
DC load detection . . . . . . . . . . . . . . . . . . . . . . 19
Recommended start-up sequence with DC
load detection enabled . . . . . . . . . . . . . . . . . . 20
AC load detection . . . . . . . . . . . . . . . . . . . . . . 21
CLIP detection . . . . . . . . . . . . . . . . . . . . . . . . 21
Start-up and shutdown sequence. . . . . . . . . . 22
Instruction bytes . . . . . . . . . . . . . . . . . . . . . . . 25
Data bytes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Switching characteristics . . . . . . . . . . . . . . . . 31
2
C-bus mode only) . . . . . 19
13
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
15
16
17
17.1
17.2
17.3
17.4
18
19
20
20.1
20.2
20.3
20.4
21
22
23
24
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Class-D power amplifier with load diagnostics
Dynamic characteristics . . . . . . . . . . . . . . . . . 32
Application information . . . . . . . . . . . . . . . . . 33
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 44
Handling information . . . . . . . . . . . . . . . . . . . 46
Soldering of SMD packages . . . . . . . . . . . . . . 46
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 48
Revision history . . . . . . . . . . . . . . . . . . . . . . . 49
Legal information . . . . . . . . . . . . . . . . . . . . . . 50
Contact information . . . . . . . . . . . . . . . . . . . . 50
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Output power estimation (Stereo mode) . . . . 33
Output power estimation (Parallel mode) . . . . 35
Output current limiting . . . . . . . . . . . . . . . . . . 35
Speaker configuration and impedance. . . . . . 36
Heat sink requirements . . . . . . . . . . . . . . . . . 36
Curves measured in reference design . . . . . . 37
Typical application schematics . . . . . . . . . . . . 40
Introduction to soldering. . . . . . . . . . . . . . . . . 46
Wave and reflow soldering . . . . . . . . . . . . . . . 46
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 46
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 47
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 50
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Date of release: 13 November 2008
Document identifier: TDF8599_1
TDF8599
All rights reserved.

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