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TPS65982ABZBHR Datasheet(PDF) 39 Page - Texas Instruments

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Part # TPS65982ABZBHR
Description  USB Type-C and USB PD Controller, Power Switch, and High-Speed Multiplexer
PDF  121 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65982ABZBHR Datasheet(HTML) 39 Page - Texas Instruments

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PP_5V0
VBUS
Fast
current
limit
PP_5V0 Gate Control
and Current Limit
PP_HV
Fast
current
limit
PP_HV Gate Control
and Current Limit
5A
RSENSE
10 mΩ ± 1%
NMOS
HV Gate Control and Sense
PP_EXT
PP_CABLE
C_CC1
600mA
Fast
current
limit
C_CC2
3A
3A
C_CC2 Gate
Control
C_CC1 Gate
Control
C_CC1/2 Gate Control
and Current Limit
39
TPS65982
www.ti.com
SLVSD02D – MARCH 2015 – REVISED JUNE 2019
Product Folder Links: TPS65982
Submit Documentation Feedback
Copyright © 2015–2019, Texas Instruments Incorporated
Figure 20. Port Power Paths
9.3.3.1 5V Power Delivery
The TPS65982 provides port power to VBUS from PP_5V0 when a low voltage output is needed. The switch
path provides 5 V at up to 3 A to from PP_5V0 to VBUS. Figure 20 shows a simplified circuit for the switch from
PP_5V0 to VBUS.
9.3.3.2 5V Power Switch as a Source
The PP_5V0 path is unidirectional, sourcing power from PP_5V0 to VBUS only. When the switch is on, the
protection circuitry limits reverse current from VBUS to PP_5V0. Figure 21 shows the I-V characteristics of the
reverse current protection feature. Figure 21 and the reverse current limit can be approximated using Equation 2.
IREV5V0 = VREV5V0/RPP5V
(2)



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