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PDF PI5USB1468A Data sheet ( Hoja de datos )
| Número de pieza | PI5USB1468A | |
| Descripción | USB Host Charger Controller & Non-standard Protocols | |
| Fabricantes | Pericom Semiconductor | |
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Hay una vista previa y un enlace de descarga de PI5USB1468A (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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PI5USB1468
PI5USB1468A
USB Host Charger Controller supporting BC1.2,
YD/T-1591, & non-standard protocols
Features
ÎÎManages communication to allow charging to occur
ÎÎProvides multiple modes of charging to ensure all of the
following specs can be met:
àà DCP, CDP, and SDP per BC1.0, 1.1, 1.2 spec
àà DCP per YD/T-1591 spec
àà Samsung fast charging
àà Sony Ericsson fast charging
àà Apple fast charging 1A
àà Amazon Kindle Fire
ÎÎAutomatic USB Device Identification Circuit (used to
determine charging mode required)
ÎÎSingle Power Supply, 5V ±5%
ÎÎ-40oC to +85o C Operating Temperature Range
ÎÎIntegrated ESD protection up to +/- 4kV contact on pins
2 and 3 per IEC61000-4-2 spec
ÎÎDetects and differentiates between High-Speed devices and
mouse/keyboard (USB Low/Full Speed device) when in Auto
dedicated charging mode
ÎÎAnti-loop protection for hard disk drive (HDD)
ÎÎPackaging (Pb-free & Green):
àà 8-Contact TDFN, ZA (2.0mm x 2.0mm x 0.75mm)
Description
Notebook PCs are used around the world to charge battery-pow-
ered handheld devices such as cell phones, tablets and MP3/MP4
players. Hand-held devices require communication with the
notebook PC before they start to draw current. This ensures that
the handheld device will obtain sufficient current when it wants
to charge. The challenge is that notebook PC's do not provide
acknowledge signal to the handheld device when the notebook
is in “Sleep” mode.
Pericom’s PI5USB1468(/A) solves this issue by setting the
D+/D- pins in the notebook PC to the required signal levels dur-
ing “sleep” mode. When the handheld device sees these required
signal levels, it will then start to draw the current required to
charge itself.
Cell phones within today’s market use different communication
schemes, so the switch will need to configure itself in different
modes. PI5USB1468 (/A) can alternate between modes automati-
cally, once device type is correctly detected.
D+, D- are protected with Pericom’s ESD protection circuits sup-
porting ESD damage as high as +/-4kV contact per IEC61000-4-2
specification.
Block Diagram
References
21
3
INT or INT/
Y- Y+
Power Switch
Control
2
3
1
4
D+
21
3
Notes:
INT is only offered on PI5USB1468A version on pin 1
INT/ is only offered on PI5USB1468 version on pin 1
Plug/Unplug &
Mode Detection
Control
Logic
2
3
1
4
SB/ CTL SEL
D-
13-0147
1 www.pericom.com P-0.1 10/03/13
1 page  
PI5USB1468
USB Host Charger Controller IC PI5USB1468A
DC Electrical Characteristics (VDD = 5.0V +/- 5%, Ambient Temperature -40 to +85oC)
Symbol
Parameter
Conditions
Min.
RON
Switch On-Resistance for
USB 2.0 HS signal (From D±
to Y± )
VDD = 4.75V, -0.4V < VINPUT < +0.4V,
IINPUT = +30mA, SB/ = High
RON
Switch On-Resistance for
USB 2.0 FS signal (From D±
to Y± )
VDD = 5.0V, 0V < VINPUT < 3.3V
IINPUT = -15mA , SB/ = High
I/O leakage on signal pins
IOZ
(D±, Y±) current when port VDD = 5.25V, VINPUT from 0V to 3.6V
-5
is off
IOFF
Signal leakage on signal pins
(D±, Y±) when chip is off
VDD = 0V, VINPUT from 0V to 5.25V
-5
C apac itance (For typ ical spec TA = 25 ºC, for max spec TA = -40 to +85oC, f = 1MHz)
Typ.
3
Max.
5
10
+5
+5
Unit
W
µA
µA
Parameter
CIN
COFF - USB path only
CON - USB path only
Description
Control Logic Capacitance
Switch Capacitance at D± or Y± when
switch is OFF
Switch Capacitance between D+/- to
Y+/- when switch is ON
Test Condition
SB/ = low
SB/ = high
Typ.
2.7
3.1
8
Max. Unit
4
3.5 pF
10
Dynamic Electrical Characteristics Over the Operating Range
Parameter
XTALK
OIRR
-3dB BW
-0.5dB BW
INLOSS
Description
Crosstalk
Off-Isolation
-3dB Bandwidth (along D+/-
path)
-0.5dB Bandwidth (along D+/-
path)
Insertion loss (along D+/- path)
Test Condition
RL = 50Ω, freq = 240MHz (Figure 2)
RL = 50Ω, freq = 240MHz (Figure 2)
Min.
RL = 50Ω
RL = 50Ω
freq = 240MHz (Figure 2)
Typ.
-30
-30
1,350
350
-0.60
Max. Units
dB
MHz
dB
13-0147
5 www.pericom.com P-0.1 10/03/13
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PI5USB1468A.PDF ] | |
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