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TPS2511 Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce TPS2511
Description  USB Dedicated Charging Port Controller and Current Limiting Power Switch
Download  28 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2511 Fiches technique(HTML) 3 Page - Texas Instruments

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TPS2511
www.ti.com
SLUSB18 – JUNE 2012
RECOMMENDED OPERATING CONDITIONS
voltages are referenced to GND (unless otherwise noted), positive current are into pins.
MIN
MAX
UNIT
VIN
Input voltage of IN
4.5
5.5
VCS
Input voltage of CS
0
5.5
VEN
Input voltage of EN
0
5.5
V
VDP
DP data line input voltage
0
5.5
VDM
DM data line input voltage
0
5.5
IDP
Continuous sink/source current
±10
IDM
Continuous sink/source current
±10
mA
ICS
Continuous sink current
2
IOUT
Continuous output current of OUT
2.2
A
RILIM_SET
A resistor of current-limit, ILIM_SET to GND
16.9
750
k
Ω
TJ
Operating junction temperature
-40
125
º C
ELECTRICAL CHARACTERISTICS
Conditions are –40°C
≤ (TJ = TA) ≤ 125°C, 4.5 V ≤ VIN ≤ 5.5 V, VEN = VIN and RILIM_SET = 22.1 kΩ. Positive current are into
pins. Typical values are at 25°C. All voltages are with respect to GND (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER SWITCH
IOUT = 2 A
70
120
Static drain-source on-state
RDS(on)
IOUT = 2 A, –40ºC ≤ (TJ =TA) ≤ 85ºC
70
105
m
Ω
resistance
IOUT = 2 A, TJ =TA = 25ºC
70
84
CL = 1 µF, RL = 100 Ω, VIN = 5 V see
tr
OUT voltage rise time
1.0
1.5
Figure 1, Figure 3
ms
CL = 1 µF, RL = 100 Ω, VIN = 5 V see
tf
OUT voltage fall time
0.2
0.35
0.5
Figure 1, Figure 3
IREV
Reverse leakage current
VOUT = 5.5 V, VIN = VEN = 0 V
0.01
2
µA
DISCHARGE
RDCHG
Discharge resistance
VOUT = 4 V
400
500
630
Ω
CURRENT LIMIT
RILIM_SET = 44.2 kΩ
1060
1160
1270
IOS
OUT short-circuit current limit
RILIM_SET = 22.1 kΩ
2110
2300
2550
mA
RILIM_SET = 16.9 kΩ
2760
3025
3330
VIN = 5.0 V, RL = 50 mΩ, 2 inches lead
tIOS
Short-circuit response time(1)
1.5
µs
length, See Figure 4
HICCUP MODE
VOUT_SHORT
OUT voltage threshold of going
VIN = 5.0 V, RILIIM_SET = 210 kΩ
3.6
3.8
4.1
V
into hiccup mode
tOS_DEG
On time of hiccup mode(1)
VIN = 5.0 V, RL = 0
16
ms
tSC_TURN_OFF
Off time of hiccup mode(1)
VIN = 5.0 V, RL = 0
12
s
UNDERVOLTAGE LOCKOUT
VUVLO
IN UVLO threshold voltage, rising
3.9
4.1
4.3
V
Hysteresis(1)
100
mV
SUPPLY CURRENT
VEN = 0 V, VIN = 5.5 V,
IIN_OFF
Disabled, IN supply current
0.1
2
–40ºC
≤ TJ ≤ 85ºC
µA
IIN_ON
Enabled, IN supply current
VEN = VIN, RILIM_SET = 210 kΩ
180
230
(1)
Specified by design. Not production tested.
Copyright © 2012, Texas Instruments Incorporated
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