ncp362 ON Semiconductor, ncp362 Datasheet

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ncp362

Manufacturer Part Number
ncp362
Description
Usb Positive Overvoltage And Overcurrent Protection With Tvs For Vbus And Low Capacitance Esd Diodes For Data
Manufacturer
ON Semiconductor
Datasheet

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NCP362
USB Positive Overvoltage
and Overcurrent Protection
with TVS for V
Capacitance ESD Diodes for
Data
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 V
external device is necessary, reducing the system cost and the PCB
area of the application board.
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).
alerts the system that voltage, current or overtemperature faults have
occurred.
lines which are IEC61000−4−2, level 4 compliant. The ESD diodes
for D+ and D− are compatible with high speed USB thanks to an ultra
low capacitance of 0.5 pF.
Features
Applications
© Semiconductor Components Industries, LLC, 2009
March, 2009 − Rev. 0
The NCP362 disconnects systems at its output when wrong VBUS
The NCP362 is able to instantaneously disconnect the output from
The NCP362 provides a negative going flag (FLAG) output, which
In addition, the device integrates ESD diodes for V
Overvoltage Protection up to 20 V
Undervoltage and Overvoltage Lockout (UVLO/OVLO)
Overcurrent Protection
Transient Voltage Suppressor for V
Ultra Low Capacitance ESD for Data Lines
Alert FLAG Output and EN Enable Pin
Thermal Shutdown
Compliance to IEC61000−4−2 (Level 4)
Compliance Machine Model and Human Body Model
10 Lead UDFN 2x2.5 mm Package
This is a Pb−Free Device
USB Devices
Mobile Phones
Peripheral
Personal Digital Assistant
MP3/MP4 Players
TV and Set Top Boxes
BUS
lines. Thanks to an integrated PMOS FET, no
BUS
BUS
Pin
and Low
BUS
and data
1
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
V
V
(V
BUS
BUS
BUS TVS
CASE 517AV
XXX
M
G
GND
GND
GND
GND
GND
GND
UDFN10
TVS
TVS
(D+/− ESD low cap + OVP/OCP)
ORDERING INFORMATION
NC
EN
EN
EN
IN
IN
IN
PIN CONNECTIONS
(V
+ D+/− ESD low cap + OVP/OCP)
http://onsemi.com
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
BUS TVS
NCP362A Version
NCP362B Version
NCP362C Version
= Specific Device Code
= Date Code
= Pb−Free Package
PAD1
PAD2
PAD1
PAD2
PAD1
PAD2
GND
GND
GND
GND
GND
GND
Q
+ OVP/OCP)
Publication Order Number:
DIAGRAMS
10
10
10
MARKING
9
8
7
6
9
8
7
6
9
8
7
6
XXXM
FLAG
OUT
GND
NC
NC
FLAG
OUT
GND
D+
D−
FLAG
OUT
GND
D+
D−
G
NCP362/D

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ncp362 Summary of contents

Page 1

... BUS 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) ...

Page 2

... Pin 1 D+ Pin 2 D− Pin 3 ID Pin 4 GND Pin 5 VREF VBUS TVS D+ D− GND Figure 2. Typical Application Circuit with Full Integrated ESD for USB (NCP362C) http://onsemi.com OUT Battery Charger Soft I limit start >550 mA Driver OVLO Thermal Logic shutdown UVLO ...

Page 3

... Ground 6 D− INPUT Cathode of the D− ESD diode. (NCP362B & NCP362C) This pin is not connected in the NCP362A 7 D+ INPUT Cathode of the D+ ESD diode. (NCP362B & NCP362C) This pin is not connected in the NCP362A 8 GND POWER Ground 9 OUT OUTPUT Output Voltage Pin. The output is disconnected from the V above OVLO threshold or below UVLO threshold ...

Page 4

MAXIMUM RATINGS Rating Minimum Voltage to GND (Pins IN, EN, OUT, FLAG) Maximum Voltage to GND (Pin IN) Maximum Voltage to GND (Pins EN, OUT, FLAG) Maximum DC Current from Vin to Vout (PMOS) (Note 1) Thermal Resistance, Junction−to−Air Operating ...

Page 5

ELECTRICAL CHARACTERISTICS (Min/Max limits values (−40°C < T < +85°C) and V A Characteristic Symbol Input Voltage Range Undervoltage Lockout Threshold UVLO Uvervoltage Lockout Hysteresis UVLO Overvoltage Lockout Threshold OVLO Overvoltage Lockout Hysteresis OVLO V versus V Dopout V in ...

Page 6

... F V Forward Voltage @ Peak Power Dissipation pk C Max. Capacitance @ and MHz R *Additional and V voltage can be available. Please C RWM BR contact your ON Semiconductor representative for availability. UVLO 0 out t start FLAG 1.2 V Figure 3. Start Up Sequence EN 1 dis V out 0 ...

Page 7

IN Voltage, Current and Thermal Detection IN Voltage, Current and Thermal Detection OUT Figure 7. OUT Figure 8. http://onsemi.com 7 CONDITIONS V > OVLO or V < UVLO IN IN CONDITIONS UVLO < V < OVLO IN ...

Page 8

TYPICAL OPERATING CHARACTERISTICS Figure 9. Start Up. Vin=Ch1, Vout=Ch2 Figure 11. Output Turn Off time. Vin=Ch1, Vout=Ch2 Figure 13. Disable Time. EN=Ch4, Vin=Ch1, Vout=Ch2 Figure 10. FLAG Going Up Delay. Vin=Ch1, Figure 12. Alert Delay. Vout=Ch1, FLAG=Ch3 Figure 14. Thermal ...

Page 9

TYPICAL OPERATING CHARACTERISTICS 450 400 350 300 250 200 150 100 50 0 − TEMPERATURE (°C) Figure 15. R vs. Temperature DS(on) (Load = 500 mA) 180 160 ...

Page 10

Figure 20. V Clamping Voltage Screenshot BUS TVS Positive 8 kV contact per IEC 61000−4−2 Figure 22. D+ & D− Clamping Voltage Screenshot Positive 8 kV Contact per IEC61000−4−2 Figure 21. V Clamping Voltage Screenshot BUS TVS Negative 8 kV ...

Page 11

... OUT pin, from positive overvoltage. Regarding electrical characteristics, the R , during normal operation, will create low losses on DS(on) V pin, characterized by V out http://onsemi.com 11 . NCP362 goes into turn on and turn off mode off Retrieve normal operation < UVLO, in > > ...

Page 12

... ESD protection diode over the time domain of an ESD pulse in the form of an oscilloscope screenshot, which can be found on the datasheets for all ESD protection diodes. For more information on how ON Semiconductor creates these screenshots and how to interpret them please refer to AND8307/D. ...

Page 13

... PCB Recommendations The NCP362 integrates a 500 mA rated PMOS FET, and the PCB rules must be respected to properly evacuate the heat out of the silicon. The UDFN PAD1 must be connected to ground plane to increase the heat transfer if necessary from an application standpoint. Of course, in any case, this pad shall be not connected to any other potential ...

Page 14

... C1, C2 NCP362 GND Jumper EN, FLAG, IN ID, Vcc BUS USB Input Connector USB Output Connector TP2 VBUS TVS Out VBus C1 NCP362 S1 STRAP2 1μF /Flag 6 D− / GND Figure 31. Demo Board Schematic Manufacturer Murata − GRM188R61E105KA12D ON Semiconductor WM8083-ND ...

Page 15

... Tape and Reel Packaging Specifications Brochure, BRD8011/D. SELECTION GUIDE The NCP362 can be available in several undervoltage, overvoltage, overcurrent and clamping voltage versions. Part number is designated as follows: NCP362xxxMUxxTBG ...

Page 16

... PAD AS WELL AS THE TERMINALS. MILLIMETERS DIM MIN MAX A 0.45 0.55 A1 0.00 0.05 A3 0.13 REF b 0.20 0.30 D 2.50 BSC A3 D2 1.35 1.55 D3 0.30 0.50 E 2.00 BSC E2 0.95 1.15 e 0.50 BSC F 1.08 BSC K 0.20 --- L 0.20 0.30 L1 --- 0.15 SOLDERING FOOTPRINT* 1.55 10X 0.35 1.15 2.30 1 0.50 0.50 1.13 PITCH DIMENSIONS: MILLIMETERS ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your loca Sales Representative NCP362/D ...

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