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TPS254900AIRVCTQ1 Datasheet(PDF) 8 Page - Texas Instruments

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Part No. TPS254900AIRVCTQ1
Description  Automotive USB Host Charger With Short-to-VBATT Protection
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TPS254900AIRVCTQ1 Datasheet(HTML) 8 Page - Texas Instruments

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TPS254900A-Q1
SLUSCU5A – NOVEMBER 2017 – REVISED JANUARY 2018
www.ti.com
Product Folder Links: TPS254900A-Q1
Submit Documentation Feedback
Copyright © 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
≤ TJ ≤ 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
tr
OUT voltage rise time
V(IN) = 5 V, C(L) = 1 µF, R(L) = 100 Ω
1.05
1.75
3.1
ms
tf
OUT voltage fall time
0.27
0.47
0.82
ms
ton
OUT voltage turnon time
V(IN) = 5 V, C(L) = 1 µF, R(L) = 100 Ω
7.5
11
ms
toff
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
tpd
Analog switch propagation
delay (1)
V(IN) = 5 V
0.14
ns
t(SK)
Analog switch skew
between opposite
transitions of the same port
(tPHL – tPLH)
(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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