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TPS25751D bảng dữ liệu(PDF) 38 Page - Texas Instruments

tên linh kiện TPS25751D
Giải thích chi tiết về linh kiện  TPS25751 USB Type-C® and USB PD Controller with Integrated Power Switches Optimized for Power Applications
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Trang chủ  http://www.ti.com
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TPS25751D bảng dữ liệu(HTML) 38 Page - Texas Instruments

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VVC_OVP
PP5V
VPHY_OVP
VPHY_OVP
CC1
CC2
VVC_RCP
max(VCC1, VCC2) - VPP5V
Control Logic
Disable PP_CABLE
and USB PD PHY
Tx
Figure 8-21. Overvoltage and Reverse Current Protection for CC1 and CC2
8.3.6 Default Behavior Configuration (ADCIN1, ADCIN2)
Note
This functionality is firmware controlled and subject to change.
The ADCINx inputs to the internal ADC control the behavior of the TPS25751 in response to VBUS being
supplied when VIN_3V3 is low (that is the dead-battery scenario). The ADCINx pins must be externally tied to
the LDO_3V3 pin via a resistive divider as shown in the following figure. At power-up the ADC converts the
ADCINx voltage and the digital core uses these two values to determine start-up behavior. The available start-up
configurations include options for I2C target address of I2Ct_SCL/SDA, sink path control in dead-battery, and
default configuration.
ADC
Mux an d
Divi ders
LDO_3V3
ADCINx
Figure 8-22. ADCINx Resistor Divider
TPS25751
SLVSH93 – OCTOBER 2023
www.ti.com
38
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Product Folder Links: TPS25751



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