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NCP45492 Datasheet(PDF) 1 Page - ON Semiconductor

Part # NCP45492
Description  26V, 4-Channel Voltage Bus and 4-Channel High-Side Current Shunt Monitor
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP45492 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2019
June, 2020 − Rev. 1
1
Publication Order Number:
NCP45492/D
26V, 4-Channel Voltage Bus
and 4-Channel High-Side
Current Shunt Monitor
NCP45492
The NCP45492 is a high−performance monolithic IC which can be
used to monitor bus voltage and current on four high−voltage power
supplies simultaneously. The HV bus voltages and currents are
translated to a low−voltage power domain and multiplexed onto a
single differential output for measurement externally by common
ADCs. The device is configurable to operate either standalone or as a
pair, permitting up to eight separate HV power supplies to be
monitored and measured.
Features
Translates and Scales Shunt and Bus Voltages up to 26 V
Single Device Monitors Four Supplies
May Be Paired for Monitoring Up To Eight Supplies
Very Low Powerdown Current
All Channels Individually Gain Programmable by External Resistor
Selection
Fast Settling Time
Real−Time Indication of All Bus Voltages Valid
Adjustable Output Common−Mode Voltage Adapts to Most External
ADCs
Lead−Free Device
Applications
Computers/Notebooks
Graphical Cards
Power Management/Power Control Loops
Battery Chargers
Figure 1. Block Diagram
`
RSHUNT
VBUS
to load
Channel 1(of4)
Multiplexer
from Channel 2
from Channel 4
from Channel 3
Sequence
Logic
Single-ended
to Diff Amp
BS_IN 1
SH_O1
DIFF_OUT_N
DIFF_OUT_P
SH_IN_P1
SH_IN_N1
GND_FET
ENABLE
BS_OK
BS_REF
BG_REF_OUT
VREF
Generator
R5
R6
`
R7
R8
CM_REF_IN
`
MUX_SEL
R1
R2
R3
R4
SKIP
MODE_SEL
www.onsemi.com
(Top View)
QFN32 4x4
CASE 485CD
1
45492 = Specific Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= Pb−Free Package
CCCCC = Country of Assembly
45492
ALYWG
CCCCC
MARKING DIAGRAM
SH_IN_P1
BS_IN1
SH_IN_N2
SH_IN_P2
BS_IN2
SH_O2
NC
SH_IN_N1
BG_REF_OUT
CM_REF_IN
SH_O4
BS_REF
NC
DIFF_OUT_N
DIFF_OUT_P
NC
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
33: GND
Device
Package
Shipping
ORDERING INFORMATION
NCP45492XMNTWG
QFN32
(Pb−Free)
4000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
PIN CONFIGURATION


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