UPD16855AG Datasheet PDF - NEC
| Part Number | UPD16855AG | |
| Description | DUAL HIGH-SIDE SWITCH FOR USB APPLICATION | |
| Manufacturers | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16855A/B/C/D
DUAL HIGH-SIDE SWITCH FOR USB APPLICATION
DESCRIPTION
This product is the power switch IC with over current limit, used for the power supply bus of the Universal-Serial-
Bus (USB).
2 circuit builds in the Pch power MOSFET in the switch part, and this product realizes low on resistance (100 mΩ
TYP.) respectively.
And the over current detection, the thermal-shutdown circuit, an under voltage locked-out (UVLO) circuit whose
functions are necessary in the Host/HUB-controller of the USB standard are built in.
And the over-current-detect result can be reported to the controller by flag-pin.
This product builds in each two circuits of the power switch, control-pins and flag-pins, and this IC can be able to
control the power supply bus in 2 USB port.
There are four kinds of this product by the input logic of the control signal and switch operation in over-current
detect.
FEATURES
• Pch power MOSFET, 2 circuit building in
• Over-current detection circuit is built in and its result is outputted from flag-pin (“L” active)
• Prevent from dropping power supply by over current limit circuit
• Thermal shutdown circuit building in
• Under Voltage Locked Out (UVLO) circuit building in
• Switch on/off control is possible by the control-pin.
• 8 pin DIP/SOP package
ORDERING INFORMATION
PART NO.
µPD16855BC
PACKAGE
8-pin plastic DIP (300mil)
µPD16855AG
µPD16855BG
µPD16855CG
µPD16855DG
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S13020EJ1V0DS00 (1st edition)
Date Published February 1999 N CP(K)
Printed in Japan
©
1998
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µPD16855
µPD16855CG (Active-H and Switch off with over-current detect)
CTL1
H
H
L
L
H
H
X
X
FLG1
H
H
H
H
L
H
L
L
OUT1
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
CTL2
H
L
H
L
H
H
X
X
FLG2
H
H
H
H
H
L
L
L
OUT2
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
Operating mode
normal mode
only OUT1 is ON
only OUT2 is ON
standby mode
only OUT1 is over-current detect
only OUT2 is over-current detect
TSD mode
UVLO mode
µPD16855DG (Active-L and Switch off with over-current detect)
CTL1
L
L
H
H
L
L
X
X
FLG1
H
H
H
H
L
H
L
L
OUT1
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
CTL2
L
H
L
H
L
L
X
X
FLG2
H
H
H
H
H
L
L
L
OUT2
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
Operating mode
normal mode
only OUT1 is ON
only OUT2 is ON
standby mode
only OUT1 is over-current detect
only OUT2 is over-current detect
TSD mode
UVLO mode
Data Sheet S13020EJ1V0DS00
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD16855AG electronic component. |
| Information | Total 28 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ UPD16855AG.PDF Datasheet ] | |
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