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SFT430C Datasheet Preview

SFT430C Datasheet

USB Dedicated Charging Port Controller

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SFT430C
USB Dedicated Charging Port Controller for
Fast Charging Protocol and QC 2.0/3.0
Description
The SFT430C is a fast charge protocol controller
for HiSilicon Fast Charging Protocol (FCP) and
Qualcomm® Quick ChargeTM 2.0/3.0 (QC 2.0/3.0)
USB interface. The device can fast charging FCP
or QC 2.0/3.0 powered device (PD). The protocol
feature monitors USB D+/D- data line voltage or
D- data line transmission and automatically
adjusts output voltage of power bank and wall
adaptor to optimize charge time.
SFT430C can support not only USB BC compliant
devices, but also Apple / Samsung / HUAWEI
devices and automatically detects whether a
connected powered device is QC 2.0/3.0 or FCP
capable before enabling output voltage
adjustment. If a PD not compliant to QC 2.0/3.0 or
FCP is detected the SFT430C disables output
voltage adjustment to ensure safe operation with
legacy 5 V only USB PDs.
The SFT430C is available in a space-saving
SOT-23-6 package.
Features
Support HiSilicon Fast Charging Protocol (FCP)
for Output Voltage and Current Communication
Support Qualcomm® Quick ChargeTM 2.0/3.0
Class A : 3.6V up to 12V Output Voltage
Automatic Selection FCP and QC2.0/3.0 Protocols
Supports USB DCP Shorting D+ Line to D- Line
per USB Battery Charging Specification,
Revision 1.2
Meets Chinese Telecommunication Industrial
Standard YD/T 1591-2009
Supports USB DCP Applying 2.7V on D+ Line
and 2.7V on D- Line
Supports USB DCP Applying 1.2V on D+ and D-
Lines
SOT-23-6 Package
Applications
Wall-Adapter, Smart Phones, Tablets, Notebooks
Mobile / Tablet Power Bank
Car Charger
USB Power Output Ports
Typical Application Circuit
VOUT
100KΩ R1
Feedback
Node
OFF
R2
RVDD
2.2kΩ
ON 4 QC_EN
3 FBO
2 GND
VDD
VDD 5
470nF
CVDD
D- 6
D+ 1
USB Port
VOUT
D-
D+
GND
Figure 2. Typical Application Schematic
www.shouding.net
1 SFT430C-Preliminary 0.1-Oct-2016




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SFT430C Datasheet Preview

SFT430C Datasheet

USB Dedicated Charging Port Controller

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SFT430C
Pin Assignments
ES6 Package(SOT-23-6)
D- VDD QC_EN
654
(Marking)
123
D+ GND FBO
Figure 1. Pin Assignment of SFT430C
Ordering Information
SSFT430C
Package Type
ES6: SOT-23-6
Output Voltage Lookup Table(QC 2.0/3.0)
D+
0.6V
3.3V
0.6V
0.6V
D-
0.6V
0.6V
3.3V
High-Z
Output Voltage
12V
9V
Continuous mode
5V (Default)
Functional Pin Description
Pin Name
D+
Pin No.
(SOT-23-6)
1
Pin Function
USB D+ data line input pin. Recommended this pin connect without resistors(open) or with a resistor
higher than 1MΩ connect to GND.
GND
2 Ground pin.
FBO
3 Feedback output pin. Current Sink/Source FB Node.
QC_EN
4 QC_Enable: High-Z with QC2.0/3.0 and FCP function; logic low disable QC2.0/3.0 and FCP function.
VDD
5 Power supply input pin.
D- 6 USB D- data line input pin.
www.shouding.net
2 SFT430C-Preliminary 0.1-Oct-2016


Part Number SFT430C
Description USB Dedicated Charging Port Controller
Maker SHOUDING
Total Page 6 Pages
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5 SFT430C USB Dedicated Charging Port Controller
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