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NCP81239 Datasheet

USB Power Delivery 4-Switch Buck Boost Controller

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NCP81239
USB Power Delivery
4-Switch Buck Boost
Controller
The NCP81239 USB Power Delivery (PD) Controller is a
synchronous buck boost that is optimized for converting battery
voltage or adaptor voltage into power supply rails required in
notebook, tablet, and desktop systems, as well as many other
consumer devices using USB PD standard and CType cables. The
NCP81239 is fully compliant to the USB Power Delivery
Specification when used in conjunction with a USB PD or CType
Interface Controller. NCP81239 is designed for applications requiring
dynamically controlled slew rate limited output voltage that require
either voltage higher or lower than the input voltage. The NCP81239
drives 4 NMOSFET switches, allowing it to buck or boost and support
the consumer and provider role swap function specified in the USB
Power Delivery Specification which is suitable for all USB PD
applications. The USB PD Buck Boost Controller operates with a
supply and load range of 4.5 V to 28 V.
Features
Wide Input Voltage Range: from 4.5 V to 28 V
Dynamically Programmed Frequency from 150 kHz to 1.2 MHz
I2C Interface
Real Time Power Good Indication
Controlled Slew Rate Voltage Transitioning
Feedback Pin with Internally Programmed Reference
Support USBPD/QC2.0/QC3.0 Profile
2 Independent Current Sensing Inputs
Over Temperature Protection
Adaptive NonOverlap Gate Drivers
Filter Capacitor Switch Control
OverVoltage and OverCurrent Protection
Dead Battery Power Support
5 x 5 mm QFN32 Package
Typical Application
Notebooks, Tablets, Desktops
All in Ones
Monitors, TVs, and Set Top Boxes
Consumer Electronics
www.onsemi.com
1 32
QFN32 5x5, 0.5P
CASE 485CE
MARKING DIAGRAM
1
NCP81239
AWLYYWWG
G
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping
NCP81239MNTXG QFN32 4000 / Tape
(PbFree) & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2016
July, 2016 Rev. 0
1
Publication Order Number:
NCP81239/D


  ON Semiconductor Electronic Components Datasheet  

NCP81239 Datasheet

USB Power Delivery 4-Switch Buck Boost Controller

No Preview Available !

5V Rail
Dead Battery /
VCONN
RDRV
CVDRV
CVCC
Current Sense 1
Current Sense 2
RCS1
RCS2
Curret Limit Indicator
Interrupt
Enable
I2C
DBIN
DBOUT
VDRV
VCC
CS1
CS2
CLIND
INT
EN
SDA
SCL
COMP
RC
CP
CC AGND
FLAG
NCP81239
V1
V1
CSP1
CSN1
FB
CSN2
CSP2
CFET1
BST2
BST1
HSG1
VSW1
HSG2
VSW2
LSG1
PGND1
LSG2
PGND2
PDRV
RS1
Q1 CB1
L1
Q2
V2
RS2
Q6
CO1
RPU
CO2
RPD
Q5
CB2
Q4
Q3
Figure 1. Typical Application Circuit
32 31 30 29 28 27 26 25
HSG1
LSG1
PGND1
CSN1
CSP1
V1
CS1
CLIND
1
2
3
4
5
6
7
8
24 HSG2
23 LSG2
22 PGND2
21 CSP2
20 CSN2
19 FB
18 CS2
17 PDRV
9 10 11 12 13 14 15 16
Figure 2. Pinout
www.onsemi.com
2


Part Number NCP81239
Description USB Power Delivery 4-Switch Buck Boost Controller
Maker ON Semiconductor
Total Page 19 Pages
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