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  ON Semiconductor Electronic Components Datasheet  

NCP362 Datasheet

USB Positive Overvoltage and Overcurrent Protection

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NCP362
USB Positive Overvoltage
and Overcurrent Protection
with TVS for VBUS and Low
Capacitance ESD Diodes for
Data
The NCP362 disconnects systems at its output when wrong VBUS
operating conditions are detected at its input. The system is positive
overvoltage protected up to +20 V, overcurrent protected up to
750 mA, and receives protection from ESD diodes for the high speed
USB data and VBUS lines. Thanks to an integrated PMOS FET, no
external device is necessary, reducing the system cost and the PCB
area of the application board.
The NCP362 is able to instantaneously disconnect the output from
the input if the input voltage exceeds the overvoltage threshold
OVLO. Thanks to an overcurrent protection, the integrated PMOS
turns off when the charge current exceeds the current limit (see
options in ordering information).
The NCP362 provides a negative going flag (FLAG) output, which
alerts the system that voltage, current or overtemperature faults have
occurred.
In addition, the device integrates ESD diodes for VBUS and data
lines which are IEC6100042, level 4 compliant. The ESD diodes
for D+ and Dare compatible with high speed USB thanks to an ultra
low capacitance of 0.5 pF.
Features
Overvoltage Protection up to 20 V
Undervoltage and Overvoltage Lockout (UVLO/OVLO)
Overcurrent Protection
Transient Voltage Suppressor for VBUS Pin
Ultra Low Capacitance ESD for Data Lines
Alert FLAG Output and EN Enable Pin
Thermal Shutdown
Compliance to IEC6100042 (Level 4)
Compliance Machine Model and Human Body Model
10 Lead UDFN 2x2.5 mm Package
This is a PbFree Device
Applications
USB Devices
Mobile Phones
Peripheral
Personal Digital Assistant
MP3/MP4 Players
TV and Set Top Boxes
© Semiconductor Components Industries, LLC, 2010
June, 2010 Rev. 1
1
http://onsemi.com
MARKING
DIAGRAMS
UDFN10
CASE 517AV
XXXM
G
XXX
M
G
= Specific Device Code
= Date Code
= PbFree Package
PIN CONNECTIONS
EN 1
GND 2
IN 3
VBUS TVS 4
GND 5
PAD1
GND
PAD2
GND
10 FLAG
9 OUT
8 GND
7 NC
6 NC
NCP362A Version
(VBUS TVS + OVP/OCP)
EN 1
GND 2
IN 3
NC 4
GND 5
PAD1
GND
PAD2
GND
10 FLAG
9 OUT
8 GND
7 D+
6 D
NCP362B Version
(D+/ESD low cap + OVP/OCP)
EN 1
GND 2
IN 3
VBUS TVS 4
GND 5
PAD1
GND
PAD2
GND
10 FLAG
9 OUT
8 GND
7 D+
6 D
NCP362C Version
(VBUS TVS + D+/ESD low cap + OVP/OCP)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
Q
Publication Order Number:
NCP362/D


  ON Semiconductor Electronic Components Datasheet  

NCP362 Datasheet

USB Positive Overvoltage and Overcurrent Protection

No Preview Available !

USB Connector
Bottom Connector
Pin 1 VBUS
Pin 2 D+
Pin 3 D
Pin 4 ID
Pin 5 GND
VIN/VBUS
NCP362
OUT
LDO
VREF
I limit
>550 mA
Soft
start
Driver
OVLO
UVLO
Logic
Thermal
shutdown
Battery
Charger
System
VBUS
TVS
GND
FLAG
EN pin
NCP362A
D+ USB
DTransceiver
Figure 1. Typical Application Circuit with Wall Adapter / VBUS TVS Protection (NCP362A)
USB Connector
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
VBUS
D+
D
ID
GND
VIN/VBUS
LDO
I limit
>550 mA
Soft
start
OUT
Battery
Charger
System
VREF
Driver
OVLO
UVLO
Logic
Thermal
shutdown
VBUS
TVS
D+
D
FLAG
GND
EN pin
NCP362C
D+
D
USB
Transceiver
Figure 2. Typical Application Circuit with Full Integrated ESD for USB (NCP362C)
http://onsemi.com
2


Part Number NCP362
Description USB Positive Overvoltage and Overcurrent Protection
Maker ON Semiconductor
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NCP362 Datasheet PDF






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