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EST.5198 Datasheet Preview

EST.5198 Datasheet

USB Charger Enhance IC

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EST.5198
USB Charger Enhance IC
GENERAL DESCRIPTION
The EST.5198 is designed for most of mainstream USB device to
draw a charge current as much as possible from adapter.
The EST.5198 can recognize and change the USB charging mode
for the different USB device. The IC set the USB interface signals
(D+/D-) to the required condition and the handheld charging device
will start to charge .
The IC support most of the worldwide charging specification like
the USB BC specification, mainstream handheld charging
specification.
FEATURE
Support most of mainstream USB device fast charging
Support the 1A/2A charging mode
SOT23-5 package
PIN CONFIGURATION (Top View)
REFERENCE APPLICATION CIRCUIT
PIN DESCRIPTION
Pin Symbol
1 MODE
Type
I
2 GND
3 VCC
4 D+
5 D-
B
B
Function
Internal default pull high:
Pull high: Apple 2A mode
Pull low : Apple 1A mode
Ground
Power
USB positive data
USB negative data
ABSOLUTE MAXIMUN RATINGS
Supply Voltage
PARAMETER
VCC
Input / Output Voltage
MODE, D+, D-
Operating Temperature Range
Storage Temperature Range
TO
TS
MIN
-0.3
-0.3
-20
-65
MAX
7
7
+85
150
UNITS
V
V
oC
oC
www.esthome.com
- 1 - Datasheet Rev. 1.0




EST

EST.5198 Datasheet Preview

EST.5198 Datasheet

USB Charger Enhance IC

No Preview Available !

EST.5198
USB Charger Enhance IC
ELECTRICAL CHARACTERISTICS ( For VCC=5V and Tj=25 oC )
PARAMETER
CONDITIONS
MIN
VCC
Operating Range, Vcc
4.5
Operating current, Icc
Vcc=5V
MODE, D+, D-
DOutput Impedance
Vcc=5V
17.4
DOutput Impedance
Vcc=5V
22.6
D+, D
0
MODE pull high Impedance
Vcc=5.5V
Mode
0
TYP
300
10
MAX
5.5
25.8
37.6
Vcc,
Vcc
UNITS
V
uA
K
K
V
K
FUNCTION DESCRIPTION
1. The IC can set the proper USB interface signal to support USB port charging for most of the
mainstream handheld device.
2. The IC will draw the charging current as much as the USB adapter could for the USB handheld
device. That can reduce the charging time when use the IC as the charging kit.
3. SEL truth table
SEL Function
0 Apple 1A mode
1 Apple 2A mode
If select the 2A mode, please make sure the adapter power source can provide 5V/2A for the USB
charging port.
4. The EST.5198 control the D/ Dsignals of the USB port to support the charging procedure and
does not control the USB power (VBUS) operation.
www.esthome.com
- 2 - Datasheet Rev. 1.0


Part Number EST.5198
Description USB Charger Enhance IC
Maker EST
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EST.5198 Datasheet PDF





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