DS690A2 3
CS44130
TABLE OF CONTENTS
1. PIN DESCRIPTION ............................................................................................................................... 4
1.1 I/O Pin Characteristics ................................................................................................................... 6
2. CHARACTERISTICS AND SPECIFICATIONS ..................................................................................... 7
SPECIFIED OPERATING CONDITIONS.............................................................................................. 7
ABSOLUTE MAXIMUM RATINGS........................................................................................................7
DC ELECTRICAL CHARACTERISTICS ...... .... ... ... ... .... ... ... ................... .................... ................... ........ 8
PWM OUTPUT CHARACTERISTICS................................................................................................... 9
DIGITAL INTERFACE CHARACTERISTICS ........................................................................................ 9
3. TYPICAL CONNECTION DIAGRAMS ..............................................................................................10
4. APPLICATIONS .................................................................................................................................. 14
4.1 Overview ................ ................ .... ... ... ... ... .... ... ................ ... .... ... ... ... ... ............................................. 14
4.2 Feature Set Summary .................................................................................................................. 14
4.3 Output Mode Configuration .......................................................................................................... 15
4.4 Output Filter .................. ... ... ................................................................................. ... ...................... 16
4.4.1 Half-Bridge Output Filter .................................................................................................. 16
4.4.2 Full-Bridge Output Filter (Stereo or Parallel) ........... ............ ............. ............. ............. ...... 17
4.5 Protection and Error Reporting ..................................................................................................... 18
4.5.1 Over-Current Protection ... ... ... ... .... ... ... .................... ... ................... ... .................... ... ... ...... 18
4.5.2 Under-Voltage and Thermal Protection ........... ... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ......... 18
5. RESET AND POWER-UP .................................................................................................................... 19
5.1 PWM Popguard Transient Control ... ... ... .... ... ... ... .................... ... ... ... .... ... ... ... .... ... ................... ...... 19
5.2 Recommended Power-Up Sequence ........................................................................................... 19
5.3 Recommended Power-Down Sequence ....................................................................................... 19
6. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ...................................................................... 20
7. PARAMETER DEFINITIONS ............................................................................................................... 20
8. PACKAGE DIMENSIONS ................................................................................................................. 21
9. THERMAL CHARACTERISTICS ........................................................................................................ 22
9.1 Thermal Flag ... ... ................ ... .... ... ... ... ... .... ... ................................................................................ 22
10. ORDERING INFORMATION ............................................................................................................. 24
11. REFERENCES .. .... ... ... ... .... ... ... ... .................... ................... .................................... ............................ 24
12. REVISION HISTORY ......................................................................................................................... 24
LIST OF FIGURES
Figure 1. Typical Connection Diagram - Stereo Full-Bridge.......................................................................10
Figure 2. Typical Connection Diagram - 2.1 Channels (2 x Half-Bridge + 1 x Full-Bridge)........................ 11
Figure 3. Typical Connection Diagram - 4-Channel Half-Bridge................................................................ 12
Figure 4. Typical Connection Diagram - Mono Parallel Full-Bridge ........................................................... 13
Figure 5. Output Filter - Half-Bridge........................................................................................................... 16
Figure 6. Output Filter - Full-Bridge............................................................................................................ 17
Figure 7. System qJA vs. Bottom-Side Thermal Flag Area........................................................................ 23
Figure 8. Maximum Power Output vs. Ambient Temperature.................................................................... 23
LIST OF TABLES
Table 1. Output Mode Configuration Options............................................................................................. 15
Table 2. Low-Pass Filter Components - Half-Bridge. ................................................................................. 16
Table 3. DC-Blocking Capacitors Values - Half-Bridge.............................................................................. 16
Table 4. Low-Pass Filter Components - Full-Bridge .. ... ... .... ................... ... ... .................... ... ...................... 17
Table 5. Over-Current Error Conditions..................................................................................................... 18
Table 6. Thermal and Under-Voltage Error Conditions.............................................................................. 18