Texas Instruments TPS546B24AEVM-2PH, Руководство пользователя, Страница: 2 / 47

10.5 SMBALERT# Mask........................................................................................................................................................ 35
10.6 Device Info..................................................................................................................................................................... 36
10.7 Phase Commands.......................................................................................................................................................... 37
10.8 All Config........................................................................................................................................................................ 38
10.9 Pin Strapping.................................................................................................................................................................. 39
10.10 Monitor......................................................................................................................................................................... 40
10.11 Status........................................................................................................................................................................... 41
11 Revision History .................................................................................................................................................................. 41
List of Figures
Figure 3-1. TPS546B24AEVM-2PH Schematic Page 1.............................................................................................................. 6
Figure 3-2. TPS546B24AEVM-2PH Schematic Page 2 (U1_P1 Loop Controller)...................................................................... 7
Figure 3-3. TPS546B24AEVM-2PH Schematic Page 3 (U1_P2 Loop Follower)........................................................................ 8
Figure 4-1. Tip and Barrel Measurement................................................................................................................................... 10
Figure 7-1. Efficiency, V
OUT
Measured Using TP13, TP16, TP26, and TP30............................................................................ 17
Figure 7-2. Efficiency, V
OUT
Measured Using TP22 and TP25.................................................................................................. 17
Figure 7-3. Load Regulation...................................................................................................................................................... 17
Figure 7-4. Line Regulation....................................................................................................................................................... 17
Figure 7-5. Transient Response................................................................................................................................................ 18
Figure 7-6. Bode Plot at 0.8-V Output at 12 V
IN
, 20-A Load...................................................................................................... 18
Figure 7-7. Output Ripple With 0-A Load................................................................................................................................... 19
Figure 7-8. Output Ripple With 40-A Load................................................................................................................................. 19
Figure 7-9. Low-Side MOSFET V
DS
......................................................................................................................................... 20
Figure 7-10. High-Side MOSFET V
DS
....................................................................................................................................... 20
Figure 7-11. Start-Up From Control, 0-A Load........................................................................................................................... 21
Figure 7-12. Start-Up From Control, 40-A CC Load.................................................................................................................. 21
Figure 7-13. Shutdown From Control, 0-A Load........................................................................................................................ 22
Figure 7-14. Shutdown From Control, 20-A CC Load................................................................................................................ 22
Figure 7-15. Start-Up From Control With Pre-Biased Output.................................................................................................... 23
Figure 7-16. Inductor Current and Switch Node Waveform, 40-A Load.................................................................................... 23
Figure 7-17. Thermal Image...................................................................................................................................................... 24
Figure 8-1. TPS546B24AEVM-2PH 3D (Top View)................................................................................................................... 25
Figure 8-2. TPS546B24AEVM-2PH 3D (Bottom View).............................................................................................................. 25
Figure 8-3. TPS546B24AEVM-2PH Top Side Component View (Top View)............................................................................. 25
Figure 8-4. TPS546B24AEVM-2PH Bottom Side Component View (Bottom View).................................................................. 25
Figure 8-5. TPS546B24AEVM-2PH Top Copper (Top View)..................................................................................................... 26
Figure 8-6. TPS546B24AEVM-2PH Internal Layer 1 (Top View)............................................................................................... 26
Figure 8-7. TPS546B24AEVM-2PH Internal Layer 2 (Top View)............................................................................................... 26
Figure 8-8. TPS546B24AEVM-2PH Internal Layer 3 (Top View)............................................................................................... 26
Figure 8-9. TPS546B24AEVM-2PH Internal Layer 4 (Top View)............................................................................................... 27
Figure 8-10. TPS546B24AEVM-2PH Internal Layer 5 (Top View)............................................................................................. 27
Figure 8-11. TPS546B24AEVM-2PH Internal Layer 6 (Top View)............................................................................................. 27
Figure 8-12. TPS546B24AEVM-2PH Internal Bottom Layer (Top View)................................................................................... 27
Figure 10-1. Select Device Scanning Mode.............................................................................................................................. 31
Figure 10-2. General Settings.................................................................................................................................................... 32
Figure 10-3. Configure – ON_OFF_CONFIG............................................................................................................................ 33
Figure 10-4. Pop-up When Trying to Change FREQUENCY_SWITCH With Conversion Enabled........................................... 34
Figure 10-5. Configure – SMBALERT # Mask........................................................................................................................... 35
Figure 10-6. Configure – Device Info......................................................................................................................................... 36
Figure 10-7. Phase Commands................................................................................................................................................. 37
Figure 10-8. Configure – All Config........................................................................................................................................... 38
Figure 10-9. Configure – Pin Strapping..................................................................................................................................... 39
Figure 10-10. Monitor Screen.................................................................................................................................................... 40
Figure 10-11. Status Screen...................................................................................................................................................... 41
List of Tables
Table 2-1. TPS546B24AEVM-2PH Electrical Performance Specifications.................................................................................. 5
Table 4-1. Test Point Functions.................................................................................................................................................. 10
Table 4-2. Jumpers..................................................................................................................................................................... 11
Table 4-3. JP2_P1 and JP2_P2 Selections................................................................................................................................ 11
Table 4-4. JP7_P1 and JP7_P2 Selections................................................................................................................................ 11
Table 4-5. Connector Functions................................................................................................................................................. 12
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2 TPS546B24A 2-Phase SWIFT™ Step-Down Converter Evaluation Module
User's Guide SLUUC48A – FEBRUARY 2020 – REVISED FEBRUARY 2022
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