UPD16874 Datasheet, PDF (1/19 Pages) NEC – MOS INTEGRATED CIRCUIT

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16874
QUAD Pch HIGH-SIDE SWITCH FOR USB
DESCRIPTION
The µPD16874 is a power switch IC with an overcurrent limiter that is used for the power bus of a Universal Serial
Bus (USB). This product has Pch power MOSFET circuits, each of which has a low-on resistance (100 mΩ TYP.), in
its switching block.
In addition, the IC is also equipped with an overcurrent detector that is essential for a host/hub controller
conforming to the USB Standard, so that the IC can report an overcurrent to the controller. Moreover, a thermal
shutdown circuit and an undervoltage lockout circuit are also provided as the protection circuits of the IC.
This product has four channels of power switches, control input pins, and flag output pins to simultaneously
control four USB ports with a single IC.
FEATURES
• Four P-ch power MOSFET circuits
• Overcurrent detector that outputs active-low control signal from detection report pin
• Overcurrent limiter to prevent system voltage drop
• Thermal shutdown circuit
• Undervoltage lockout circuit
• Each of four circuits can be turned on and off independently of the others by a control pin. (CTL input: active
low)
• 16-pin SOP package
ORDERING INFORMATION
Part Number
µPD16874GS
Package
16-pin SOP (7.62 mm (300))
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. S13894EJ1V0DS00 (1st edition)
Date Published February 2001 N CP(K)
Printed in Japan
©
2001