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TPS2500 Datasheet(PDF) 27 Page - Texas Instruments

No. de pieza TPS2500
Descripción Electrónicos  INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
PDF  43 Pages
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Fabricante Electrónico  TI2 [Texas Instruments]
Página de inicio  https://www.ti.com
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TPS2500 Datasheet(HTML) 27 Page - Texas Instruments

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TPS2500, TPS2501
www.ti.com
SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010
ADDITIONAL DESIGN EXAMPLE
Specific Application Examples
The Table 4 outlines several specific applications and component recommendations for the given electrical
specifications.
Table 4. Component Recommendations
Application Example
Electrical Specifications
Component Values
# of
AUX
VIN min
VIN max
IAUX max IUSB max
ITOTAL
Inductor
CIN
CAUX
CUSB
Description
USB
Load
RILIM (kΩ)
(V)
(V)
(mA)
(mA)
(mA)
(mH)
(mF)(1)
(mF)(1)
(mF)(2)
Ports
(mA)
Single-cell
lithium ion
1
100
2.7
4.2
100
550
650
3.3
10
22
150
30.9
battery or
3.3-V bus
Single-cell
lithium ion
2
0
2.7
4.2
0
1100
1100
2.2
10
22
150
18.2
battery or
3.3-V bus
Two-cell NiMH
1
0
1.8
2.4
0
550
550
2.2
10
22
150
35.7
battery
Single-cell
lithium ion
2
0
2.7
5.25
0
1100
1100
2.2
10
22
150
18.2
battery ORed
with 5-V bus
Single-cell
lithium ion
1
200
2.7
5.25
200
550
750
3.3
10
22
150
26.1
battery ORed
with 5-V bus
(1)
Use low-ESR, X5R or X7R ceramic capacitors.
(2)
Not required for operation, only required to meet USB 2.0 standard
Copyright © 2008–2010, Texas Instruments Incorporated
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Product Folder Link(s): TPS2500 TPS2501



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