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TPS254900A-Q1 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. TPS254900A-Q1
Description  Automotive USB Host Charger With Short-to-VBATT Protection
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS254900A-Q1 Datasheet(HTML) 6 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
Electrical Characteristics (continued)
Unless otherwise noted, –40°C
≤ TJ ≤ 125°C and 4.5 V ≤ V(IN) ≤ 6.5 V, V(EN) = 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
(3)
This parameter is provided for reference only and does not constitute part of TI's published device specifications for purposes of TI's
product warranty.
UNDERVOLTAGE LOCKOUT, IN
V(UVLO)
UVLO threshold voltage
IN rising
3.9
4.1
4.3
V
IN falling
3.3
3.5
3.7
FAULT
Output low voltage
I(FAULT) = 1 mA
100
mV
Off-state leakage
V(FAULT) = 6.5 V
2
µA
STATUS
Output low voltage
I(STATUS) = 1 mA
100
mV
Off-state leakage
V(STATUS) = 6.5 V
2
µA
THERMAL SHUTDOWN
T(OTSD2)
Thermal shutdown
threshold
155
°C
T(OTSD1)
Thermal shutdown
threshold in current-limit
135
°C
Hysteresis(3)
20
°C
LOAD DETECT (VCTL1 = VCTL2 = VIN)
I(LD)
IOUT load detection
threshold
R(ILIM_LO) = 80.6 kΩ, rising load current
585
650
715
mA
Hysteresis(3)
50
mA
DM_IN AND DP_IN OVERVOLTAGE PROTECTION
V(OV_Data)
Protection trip threshold
DP_IN and DM_IN rising
3.3
3.9
4.15
V
Hysteresis(3)
100
mV
R(DCHG_Data)
Discharge resistor after
OVP(2)
DP_IN = DM_IN = 18 V, IN = 5 V or 0 V
200
k
DP_IN = DM_IN = 5 V, IN = 5 V
370
DP_IN = DM_IN = 5 V, IN = 0
390
OUT OVERVOLTAGE PROTECTION
V(OV_OUT_LOW)
Protection trip threshold
OUT rising
5.65
6
6.35
V
Hysteresis(3)
90
mV
V(OV_OUT_HIGH)
Protection trip threshold
OUT rising
6.6
6.95
7.3
V
Hysteresis(3)
130
mV
R(DCHG_OUT)
Discharge resistor
OUT = 18 V, IN = 5 V
55
85
k
OUT = 18 V, IN = 0
80
120
CABLE COMPENSATION
I(CS)
Sink current
Load = 3.2 A, 2.5 V
≤ V(CS) ≤ 6.5 V
250
262
275
µA
Load = 3 A, 2.5 V
≤ V(CS) ≤ 6.5 V
234
246
258
Load = 2.4 A, 2.5 V
≤ V(CS) ≤ 6.5 V
187
197
207
Load = 2.1 A, 2.5 V
≤ V(CS) ≤ 6.5 V
163
172
181
Load = 1 A, 2.5 V
≤ V(CS) ≤ 6.5 V
77
82
87


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