PI5USB1458AZAE [PERICOM]
USB Host Charger Controller supporting BC1.2, YD/T-1591, & Non-standard Protocols;型号: | PI5USB1458AZAE |
厂家: | PERICOM SEMICONDUCTOR CORPORATION |
描述: | USB Host Charger Controller supporting BC1.2, YD/T-1591, & Non-standard Protocols |
文件: | 总8页 (文件大小:965K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
PI5USB1458
PI5USB1458A
USB Host Charger Controller supporting BC1.2,
YD/T-1591, & Non-standard Protocols
Features
Description
Notebook PCs are used around the world to charge battery-pow-
ꢀÎManages communication to allow charging to occur
ꢀÎProvides multiple modes of charging to ensure all of the
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. is ensures that
the handheld device will obtain sufficient current when it wants
to charge. e challenge is that notebook PC's do not provide
acknowledge signal to the handheld device when the notebook
is in “Sleep” mode.
following specs can be met:
à DCP, CDP, and SDP per BC1.0, 1.1, 1.2 spec
à DCP per YD/T-1591 spec
à Samsung fast charging
à Sony Ericsson fast charging
à Apple fast charging 1A and 2A
à Amazon Kindle Fire
ꢀÎAutomatic USB Device Identification Circuit (used to
determine charging mode required)
ꢀÎSingle Power Supply, 5V 5%
ꢀÎ-40oC to +85o C Operating Temperature Range
Pericom’s PI5USB1458(/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.
ꢀÎIntegrated ESD protection up to +/- 4kV contact on pins
Cell phones within today’s market use different communication
schemes, so the switch will need to configure itself in different
modes. PI5USB1458 (/A) can alternate between modes automati-
cally, once device type is correctly detected.
2 and 3 per IEC61000-4-2 spec
ꢀÎDetects and differentiates between High-Speed devices and
mouse/keyboard (USB Low/Full Speed device) when in Auto
dedicated charging mode
ꢀÎAnti-loop protection for hard disk drive (HDD)
ꢀÎPackaging (Pb-free & Green):
D+, D- are protected with Pericom’s ESD protection circuits sup-
porting ESD damage as high as +/-4kV contact per IEC61000-4-2
specification.
à 8-Contact TDFN, ZA (2.0mm x 2.0mm x 0.75mm)
Block Diagram
INT or INT/
Power Switch
Y-
Y+
References
Control
2
3
4
2
3
1
1
1
1
D+
D-
2
3
2
3
4
Mode Detection
Control
Logic
Notes:
INT is only offered on PI5USB1458A version on pin 1
INT/ is only offered on PI5USB1458 version on pin 1
SB/ SEL
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Pin Configuration (Top View)
7
7
6
5
6
5
4
8
8
1
GND
GND
*
*
2
2
3
4
3
1
PI5USB1458 pinout
PI5USB1458A pinout
Pin Description
Pin
I/O
P5USB1458 PI5USB1458A Name Type Description
p-mosfet open source output. When SB/ observes a logic
change (from H to L or from L to H). INT/ is high for ~
2.4 seconds, otherwise INT/ is hi-z. External pull-down
is required.
1
N/A
1
INT/
INT
O
O
n-mosfet open drain output. When SB/ observes a logic
change (from H to L or from L to H). INT is LOW for ~
2.4 seconds, otherwise, INT is hi-z. External pull-up is
required.
N/A
2
3
4
2
3
4
D-
I/O
I/O
I
USB Connector, D- connection
D+
SEL
USB Connector, D+ connection
Input control logic (See truth table), 100kW pull down
5
6
7
5
6
7
Power
I/O
5V power supply
VDD
Y+
Host USB transceiver (if existent) D+ connection
Host USB transceiver (if existent) D- connection
Y-
I/O
Control input to switch between S0 charging or sleep
and charge
8
*
8
*
SB/
I
GND Ground Exposed Pad. Connect to ground.
PI5USB1458 and PI5USB1458A Truth Table
pin 1 role (INT
or INT/)
SB/
SEL
0 or 1
0
Feature
0
1
1
Auto dedicated charger with mouse/keyboard pass through
S0 charging with SDP only
INT or INT/
INT or INT/
INT or INT/
1
S0 charging with CDP or SDP only (depending on external device)
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Detailed Feature Description
Auto Dedicated Charging Mode enabled
When the PI5USB1458 (/A) is configured into auto mode with Auto dedicated charging mode enabled (see truth table to under-
stand how to configure into auto mode), the charger controller will manage all communication with external devices to enable
charging to occur. First, Pericom’s IC will use load sensing techniques to detect when a device has been plugged in.
Once a device is properly detected, the Pericom IC will automatically switch to the appropriate charging mode required for the
specific external USB device that was detected.
Mouse/Keyboard pass through mode Explanation
Today’s systems are enabled to wake up from S3 mode if a pre-enumerated mouse/keyboard has activity (movement or key-pressed).
In order for the system to continue supporting this feature, the USB host controller must be able to communicate with the external
device in S3 mode. erefore, if a mouse/keyboard is detected (via the USB low-speed/ full-speed pass through feature), Pericom’s
PI5USB1458 family will enable the communication between device and controller. Our device will automatically pass the signals
through with minimal degradation.
Once SB/ signal goes from high to low (indicating system has changed from S0 to S3), Pericom's device will detect the external USB
device. If the device is detected as a mouse or keyboard (determined by looking at USB data-rate) we will ensure the connection
between the USB device and USB host remains in place.
Anti-Loop protection for HDD
is circuit prevents hard disk drive from turning on and off continously.
Auto Dedicated Charger mode description
During Pericom's Auto dedicated charger mode, we automatically detect and enable DCP charging modes for all popular USB
devices on the market.
DCP stands for Dedicated Charging Port. Per the Battery Charging Spec, DCP is described as a host charging mode whereas only
charging is allowed. Data transfer through USB, during DCP mode is not allowed. Per the Battery Charging Spec, the host charger
must short D+ to D-, and in turn the USB device will draw up to 1.5A.
Since the release of the Battery Charging Spec, certain mobile phone and tablet OEMs have released products with unique dedicated
charging modes. When Pericom's Auto dedicated charger mode is enabled, we can automatically switch between dedicated charging
modes per the Battery charging spec or other dedicated charging modes supported by specific OEMs.
CDP mode description
Charging Downstream Port (CDP) is the communication protocol found in host chargers capable of supplying up to 1.5A current to
charge external USB devices. e communication scheme is defined clearly in the USB Battery Charging Spec 1.2. A CDP link can
allow USB data to be transferred between the host charger and the external device as well as allow charging to occur. e actual
current draw is managed by the external device while the CDP only limits the max current draw to 1.5A. Pericom is able to fully
support this communication, which includes both a primary and secondary detection procedure.
BC 1.2 Suspend Charging (DCP)
e suspend-charge (DCP) mode defined in BC 1.2 is a manual-DCP-mode, is not exactly the same as the auto suspend-charge
mode in PI5USB1458. In order to offer an accurate BC 1.2 suspend-charge (DCP) mode apply: "SB/" to 1 and “SEL” pin with 1.25V,
Power-off, then aꢀer re-power-on PI5USB1458/A.
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested)
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device. is
is a stress rating only and functional operation of the device
at these or any other conditions above those indicated in
the operational sections of this specification is not implied.
Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
All Inputs and Outputs ..................................-0.5V to VDD +0.5V
Storage temperature.................................................. -65 to +150ºC
Ambient Operating Temperature............................. -40 to +85ºC
Supply Voltage to Ground Potential (VDD) ......................... +5.5V
Junction Temperature ..........................................................+150ºC
Soldering Temperature (Max of 10 seconds) ....................+260ºC
Electrical Parameters/Characteristics Recommended Operation Conditions
Parameter
Min.
-40
Typ.
Max. Unit
Ambient Operating Temperature
+85
ºC
V
+4.75
+5.25
VDD Power Supply Voltage (measured in respect to GND)
DC Electrical Characteristics (VDD = 5.0V +/- 5%, Ambient Temperature -40 to +85oC)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
Operating Voltage
4.75
5.25
V
VDD
SB/ = Low, SEL = Low
SB/ = Low, SEL = High
SB/ = High, SEL = Low
SB/ = High, SEL = High
280
240
180
160
400
380
300
250
Supply Current
µA
IDD
VDD = 5.25V
Input High Voltage for SB/
Input Low Voltage for SB/
VDD = 5V
VDD = 5V
1.4
2.6
VIH_SB
VIL_SB
0.4
V
Input High Voltage for SEL
Input Low Voltage for SEL
Input High Current for SB/
Input Low Current for SB/
Input High Current for SEL
Input Low Current for SEL
Output high voltage for INT/
Output low voltage for INT
VDD = 5V
VDD = 5V
VIH_SEL
VIL_SEL
0.6
+1
+1
+1
+1
-1
IIH_SB
VDD = 5.25V, VSB/ = 5.25V
VDD = 5.25V, VSB/ = 0V
-1
IIL_SB
µA
-1
IIH_SEL
VDD = 5.25V, VSEL = 5.25V
VDD = 5.25V, VSEL = 0V
-1
IIL_SEL
4.0
V
V
VOH for INT/
VOL for INT
PI5USB1458ZAE only, IOH=-4mA
PI5USB1458AZAE only, IOL= 4mA
0.25
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
DC Electrical Characteristics (VDD = 5.0V +/- 5%, Ambient Temperature -40 to +85oC)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
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
3
5
RON
W
Switch On-Resistance for
USB 2.0 FS signal (From D
to Y )
VDD = 5.0V, 0V < VINPUT < 3.3V
IINPUT = -15mA , SB/ = High
10
RON
I/O leakage on signal pins
(D , Y ) current when port
is off
-5
+5
+5
µA
µA
IOZ
VDD = 5.25V, VINPUT from 0V to 3.6V
VDD = 0V, VINPUT from 0V to 5.25V
Signal leakage on signal pins
(D , Y ) when chip is off
-5
IOFF
Capacitance (For typical spec TA = 25ºC, for max spec TA = -40 to +85oC, f = 1MHz)
Parameter
Description
Test Condition
Typ. Max. Unit
Control Logic Capacitance
2.7
4
CIN
Switch Capacitance at D or Y when
switch is OFF
SB/ = low
3.1
3.5
C
OFF - USB path only
pF
Switch Capacitance between D+/- to
Y+/- when switch is ON
SB/ = high
8
10
CON - USB path only
Dynamic Electrical Characteristics Over the Operating Range
Parameter
XTALK
OIRR
Description
Crosstalk
Test Condition
Min.
Typ.
-30
Max. Units
RL = 50Ω, freq = 240MHz (Figure 2)
RL = 50Ω, freq = 240MHz (Figure 2)
dB
Off-Isolation
-30
-3dB Bandwidth (along D+/-
path)
-3dB BW
1,350
RL = 50Ω
MHz
dB
-0.5dB Bandwidth (along D+/-
path)
-0.5dB BW
INLOSS
350
RL = 50Ω
Insertion loss (along D+/- path)
freq = 240MHz (Figure 2)
-0.60
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Internal Resistors (VDD = 5.0V +/- 5%, Ambient Temperature -40 to +85oC)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
D+/D- Short Pull-down
RP1/RP2 Ratio
350
500
1.5
700
kΩ
RPD
1.485
93.75
1.515
Ratio
RTRP
RRP
RP1 + RP2 Resistance
RM1/RM2 Ratio
125.0
156.25 kΩ
Ratio
115.18 kΩ
0.8544 0.863 0.872
69.75 93.0
RTRM
RPM
RM1 + RM2 Resistance
CDP Mode
Symbol
Parameter
Test Condition
Min
Max
0.7
Units
V
V_D-_SRC
V_D+_SINK
Voltage source on D- for CDP detect
D+_IN sink current
0.5
50
VD- = 0.6V
150
uA
0.4V < = VD- < 0.8V
Parameter
Description
Test Condition
Min Typ Max Units
Tpd
Propagation delay
Output has no load
0.3
ns
Output skew, bit to bit
(Between + and - of same
pair)
Intra-Pair
Skew
Output has no load
10
ps
Turn on time for USB path CL = 35pF, RL = 300W (Figure 1)
Turn off time for USB path CL = 35pF, RL = 300W (Figure 1)
0.5
TON
ms
0.25
TOFF
Application Reccomendations & Reference Design Diagram
USB
connector
PI5USB1458A
+5V
VDD
+5V
Vbus
switch
0.1uF
INT
VBUS
22uF
Mode selection
(GPIO)
SB/
D-
D-
USB
controller
Y-
D+
D+
Y+
GND
GND
SDP/CDP support
selection
(pull up or pull down
resistor)
SEL
PI5USB1458 - Pull down resistor @ INT#
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Figure 1: Test Circuit for Electrical Characteristics
V
DD
V
DD
NC
D+/-
V
IN
V
OUT
orY+/-
R
C
35pF
L
L
300-Ohm
SB
GND
LOGIC
INPUT
C
L INCLUDES FIXTURE AND STRAY CAPACITANCE
Notes:
1. CL = Load capacitance: includes jig and probe capacitance.
2. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator
3. All input impulses are supplied by generators having the following characteristics: PRR ≤ MHz, ZO = 50Ω, tR ≤ 2.5ns, tF ≤ 2.5ns.
Figure 2: Test Circuit for Dynamic Electrical Characteristics
+
–
+
–
Diff. Insertion Loss and Return Test
Circuit
Diff. Off Isolation Test Circuit
Diff. Near End Xtalk Test Circuit
Figure 3: CDP - HS Eye Diagram
Figure 4: SDP - HS Eye Diagram
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PI5USB1458
USB Host Charger Controller IC PI5USB1458A
Packaging Mechanical: 8-Pin TDFN (ZA)
DATE: 08/08/12
Notes:
DESCRIPTION: 8-contact, Thin Dual-in-Line Flat Package (TDFN)
PACKAGE CODE: ZA8
1. All dimensions are in mm. Angles in degrees.
2. Coplanarity applies to the exposed pad as well as the terminals.
3. Refer JEDEC MO-229
4. Thermal pad soldering area (mesh stencil design is recommended)
DOCUMENT CONTROL #: PD-2068
REVISION: C
13-0126
Ordering Information
Ordering Code
Package Code
Package Description
Top Mark
PI5USB1458ZAE
ZA
ZA
Pb-free & Green, 8-pin TDFN
Pb-free & Green, 8-pin TDFN
JT
JR
PI5USB1458AZAE
Notes:
• ermal characteristics can be found on the company web site at www.pericom.com/packaging/
• E = Pb-free and Green
• X suffix = Tape/Reel
Pericom Semiconductor Corporation • 1-800-435-2336
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