SLVAEI5A december   2019  – june 2023 TPS25830-Q1 , TPS25830A-Q1 , TPS25831-Q1 , TPS25840-Q1

 

  1.   1
  2.   TPS25830, TPS25831-Q1, and TPS25840-Q1 Short-to-Battery Application
  3.   Trademarks
  4. 1Introduction
  5. 2Short-to-Battery Conventional Application
    1. 2.1 External FET VBUS/DP_IN/DM-IN Short-to-VBAT Application
      1. 2.1.1 VBUS Short-to-VBAT Application
      2. 2.1.2 DP_IN/DM_IN Short-to-VBAT Application
      3. 2.1.3 VBUS /DP_IN/DP_IN Short-to-VBAT Application Summary
    2. 2.2 Without External FET VOUT/DP_IN/DM-IN Short-to-VBAT Application
      1. 2.2.1 VOUT/CSN Short-to-VBAT Application
      2. 2.2.2 DP_IN/DM_IN Short-to-VBAT Application
      3. 2.2.3 VOUT/DP_IN/DP_IN Short-to-VBAT Application Summary
    3. 2.3 CC1/CC2 Short-to-VBAT Application
  6. 3Short-to-Battery Special Application
    1. 3.1 External FET VBUS/DP_IN/DM-IN Short-to-VBAT Application
      1. 3.1.1 VBUS Short-to-VBAT Application
      2. 3.1.2 DP_IN/DM_IN Short-to-VBAT Application
      3. 3.1.3 VBUS/DP_IN/DM-IN Short-toVBAT Application Summary
    2. 3.2 Without External FET VOUT/DP_IN/DM-IN Short-to-VBAT Application
      1. 3.2.1 VOUT Short-to-VBAT Application
      2. 3.2.2 DP_IN/DM_IN Short-to-VBAT Application
      3. 3.2.3 VOUT /DP_IN/DM-IN Short-to-VBAT Application Summary
  7. 4Short-to-Battery Connect to TVS Application
    1. 4.1 VBUS Short-to-VBAT Connect to TVS Application
    2. 4.2 VOUT Short-to-VBAT Connect to TVS Application
    3. 4.3 DP/DM Short-to-VBAT Connect to TVS Application
    4. 4.4 CC1/CC2 Short-to-VBAT Connect to TVS Application
  8. 5Revision History

2.3 CC1/CC2 Short-to-VBAT Application

The result of CC1/CC2 shorting to VBAT has nothing to do with the external MOSFET Q1. Figure 2-11 shows the test setup. Figure 2-12 and Figure 2-13 show the test results.

GUID-11F9E976-8D94-4D25-A86A-51A881A2DA4E-low.gifFigure 2-11 Power On CC1/CC2 Short-to-VBAT Test Setup
GUID-EC03A0BC-238D-4D2E-8FE9-CD6C5B9F75CD-low.png
CH1 = 2 V/div, CH2 = 5 V/div, CH3 = 5 V/div, 4 µS/div, CC1 = Rd
Figure 2-12 Power On CC1 Short-to-VBAT Test
GUID-6B675700-38A8-46DA-8534-658C088AA66F-low.png
CH1 = 2 V/div, CH2 = 5 V/div, CH3 = 5 V/div, 4 µS/div, CC2 = Rd
Figure 2-13 Power On CC2 Short-to-VBAT Test