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TDF8599TH датащи(PDF) 52 Page - NXP Semiconductors

номер детали TDF8599TH
подробное описание детали  I2C-bus controlled dual channel 43 W/2 W single channel 85 W/1 W class-D power amplifier with load diagnostics
PDF  52 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
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TDF8599TH датащи(HTML) 52 Page - NXP Semiconductors

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NXP Semiconductors
TDF8599
Class-D power amplifier with load diagnostics
© NXP B.V. 2008.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 13 November 2008
Document identifier: TDF8599_1
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
24. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
5
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
6
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
7.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
8
Functional description . . . . . . . . . . . . . . . . . . . 6
8.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8.2
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 7
8.3
Pulse-width modulation frequency . . . . . . . . . . 8
8.3.1
Master and slave mode selection . . . . . . . . . . . 8
8.3.2
Spread spectrum mode (Master mode) . . . . . . 9
8.3.3
Frequency hopping (Master mode). . . . . . . . . 10
8.3.4
Phase lock operation (Slave mode) . . . . . . . . 10
8.4
Operation mode selection. . . . . . . . . . . . . . . . 11
8.4.1
Modulation mode . . . . . . . . . . . . . . . . . . . . . . 12
8.4.2
Phase staggering (Slave mode) . . . . . . . . . . . 13
8.4.3
Parallel mode . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.5
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.5.1
Thermal foldback . . . . . . . . . . . . . . . . . . . . . . 15
8.5.2
Overtemperature protection . . . . . . . . . . . . . . 15
8.5.3
Overcurrent protection . . . . . . . . . . . . . . . . . . 15
8.5.4
Window protection . . . . . . . . . . . . . . . . . . . . . 16
8.5.5
DC Protection . . . . . . . . . . . . . . . . . . . . . . . . . 16
8.5.6
Supply voltages . . . . . . . . . . . . . . . . . . . . . . . 17
8.5.7
Overview of protection circuits and amplifier
states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.6
Diagnostic output . . . . . . . . . . . . . . . . . . . . . . 18
8.6.1
Diagnostic table . . . . . . . . . . . . . . . . . . . . . . . 18
8.6.2
Load identification (I2C-bus mode only) . . . . . 19
8.6.2.1
DC load detection . . . . . . . . . . . . . . . . . . . . . . 19
8.6.2.2
Recommended start-up sequence with DC
load detection enabled . . . . . . . . . . . . . . . . . . 20
8.6.2.3
AC load detection . . . . . . . . . . . . . . . . . . . . . . 21
8.6.2.4
CLIP detection . . . . . . . . . . . . . . . . . . . . . . . . 21
8.6.3
Start-up and shutdown sequence . . . . . . . . . . 22
9I2C-bus specification . . . . . . . . . . . . . . . . . . . . 23
9.1
Instruction bytes . . . . . . . . . . . . . . . . . . . . . . . 25
9.2
Data bytes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 27
11
Thermal characteristics. . . . . . . . . . . . . . . . . . 27
12
Static characteristics. . . . . . . . . . . . . . . . . . . . 28
12.1
Switching characteristics . . . . . . . . . . . . . . . . 31
13
Dynamic characteristics . . . . . . . . . . . . . . . . . 32
14
Application information . . . . . . . . . . . . . . . . . 33
14.1
Output power estimation (Stereo mode) . . . . 33
14.2
Output power estimation (Parallel mode) . . . . 35
14.3
Output current limiting . . . . . . . . . . . . . . . . . . 35
14.4
Speaker configuration and impedance. . . . . . 36
14.5
Heat sink requirements . . . . . . . . . . . . . . . . . 36
14.6
Curves measured in reference design . . . . . . 37
14.7
Typical application schematics . . . . . . . . . . . . 40
15
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 44
16
Handling information . . . . . . . . . . . . . . . . . . . 46
17
Soldering of SMD packages . . . . . . . . . . . . . . 46
17.1
Introduction to soldering. . . . . . . . . . . . . . . . . 46
17.2
Wave and reflow soldering . . . . . . . . . . . . . . . 46
17.3
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 46
17.4
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 47
18
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 48
19
Revision history . . . . . . . . . . . . . . . . . . . . . . . 49
20
Legal information . . . . . . . . . . . . . . . . . . . . . . 50
20.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 50
20.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
20.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 50
20.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 50
21
Contact information . . . . . . . . . . . . . . . . . . . . 50
22
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
23
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
24
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52



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