"TI-TPS254900A-Q1.pdf: USB控制器故障状态与控制指南"
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更新于2023-12-20
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The TI-TPS254900A-Q1.pdf is a document provided by Texas Instruments Incorporated that details the specifications and technical information for the TPS254900A-Q1, a 15V USB Type-C and USB PD controller. The document includes information on the pin configuration and functionality of the controller, as well as details on the various modes of operation and input/output parameters.
The TPS254900A-Q1 is designed for use in automotive applications and includes features such as overvoltage and overcurrent protection, as well as fault detection and status indicators. The document provides detailed information on how to interface with the controller, as well as suggestions for external components and circuit design.
The TPS254900A-Q1.pdf also includes information on the electrical characteristics of the controller, such as input voltage and current requirements, output voltage and current ratings, and operating temperature range. Additionally, the document provides detailed timing diagrams and application information to aid in the integration of the controller into automotive systems.
Overall, the TPS254900A-Q1.pdf is a comprehensive and detailed technical document that provides all the necessary information for the proper integration and utilization of the TPS254900A-Q1 USB Type-C and USB PD controller in automotive applications.
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TPS254900A-Q1
ZHCSHG3A –NOVEMBER 2017–REVISED JANUARY 2018
www.ti.com.cn
版权 © 2017–2018, Texas Instruments Incorporated
(1) These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's
product warranty.
6.6 Switching Characteristics
Unless otherwise noted –40°C ≤ T
J
≤ 125°C and 4.5 V ≤ V
(IN)
≤ 6.5 V, V
(EN)
= V
(IN)
, V
(CTL1)
= V
(CTL2)
= V
(IN)
. R
(FAULT)
= R
(STATUS)
= 10 kΩ, R
(IMON)
= 2.55 KΩ, R
(ILIM_HI)
= 19.1 kΩ, R
(ILIM_LO)
= 80.6 kΩ. Positive currents are into pins. Typical values are at
25°C. All voltages are with respect to GND.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
r
OUT voltage rise time
V
(IN)
= 5 V, C
(L)
= 1 µF, R
(L)
= 100 Ω
1.05 1.75 3.1 ms
t
f
OUT voltage fall time 0.27 0.47 0.82 ms
t
on
OUT voltage turnon time
V
(IN)
= 5 V, C
(L)
= 1 µF, R
(L)
= 100 Ω
7.5 11 ms
t
off
OUT voltage turnoff time 2.7 5 ms
t
(DCHG_S)
Discharge hold time (mode
change)
Time V
(OUT)
< 0.7 V 1.1 2 2.9 s
t
(IOS)
OUT short-circuit response
time
(1)
V
(IN)
= 5 V, R
(SHORT)
= 50 mΩ 2 µs
t
(OC_OUT_FAULT)
OUT FAULT deglitch time
Bidirectional deglitch applicable to current-limit
condition only (no deglitch assertion for OTSD)
5.5 8.5 11.5 ms
t
pd
Analog switch propagation
delay
(1)
V
(IN)
= 5 V 0.14 ns
t
(SK)
Analog switch skew
between opposite
transitions of the same port
(t
PHL
– t
PLH
)
(1)
V
(IN)
= 5 V 0.02 ns
t
(LD_SET)
Load-detect set time V
(IN)
= 5 V 120 210 280 ms
t
(LD_RESET)
Load-detect reset time V
(IN)
= 5 V 1.8 3 4.2 s
t
(OV_Data)
DP_IN and DM_IN
overvoltage protection
response time
5 µs
t
(OV_OUT)
OUT overvoltage protection
response time
0.3 µs
t
(OV_D_FAULT)
DP_IN and DM_IN FAULT-
asserted degltich time
11 16 23 ms
OUT FAULT-asserted
degltich time
11 16 23 ms
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