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ISL28023FR60Z Scheda tecnica(PDF) 1 Page - Renesas Technology Corp

Il numero della parte ISL28023FR60Z
Spiegazioni elettronici  Precision Digital Power Monitor with Margining
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL28023FR60Z Scheda tecnica(HTML) 1 Page - Renesas Technology Corp

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FN8389 Rev 5.00
Page 1 of 55
March 18, 2016
FN8389
Rev 5.00
March 18, 2016
ISL28023
Precision Digital Power Monitor with Margining
DATASHEET
The ISL28023 is a bidirectional high-side and low-side digital
current sense and voltage monitor with a serial interface. The
device monitors power supply current, voltage and provides
the digital results along with calculated power. The ISL28023
provides tight accuracy of 0.05% for both voltage and current
monitoring. The auxiliary input provides an additional power
monitor function.
The VCC power can either be externally supplied or internally
regulated, which allows the ISL28023 to handle a
common-mode input voltage range from 0V to 60V. The wide
range permits the device to handle telecom, automotive and
industrial applications with minimal external circuitry.
An 8-bit voltage DAC enables a DC/DC converter output voltage
margining. Fault indication includes a Bus Voltage window and
overcurrent fast fault logic indication.
The ISL28023 serial interface is PMBus compatible and
operates down to 1.2V voltage. It draws an average current of
just 800µA and is available in the space saving 24 Ld QFN
4mmx4mm package. The part operates across the full
industrial temperature range from -40°C to +125°C.
Related Literature
AN1955, “Design Ideas for Intersil Digital Power Monitors”
AN1932, “ISL28023 Precision Digital Power Monitor
Evaluation Kit”
Features
• Bus voltage sense range . . . . . . . . . . . . . . . . . . . . . . 0V to 60V
• Voltage gain error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05%
• Current gain error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05%
• Internal temperature sensor accuracy . . . . . . . . . . . . +1.0°C
• High or low (RTN) side sensing
• Bidirectional current sensing
• Auxiliary low voltage channel
• ∆∑ADC, 16-bit native resolution
• Programmable averaging modes
• Internal 3.3V regulator
• Internal temperature sense
• Overvoltage/undervoltage and current fault monitoring with
500ns detection delay
•8-bit voltage output DAC
•I2C/SMBus/PMBus interface that handles 1.2V supply
Applications
• Data processing servers
• DC power distribution
• Telecom equipment
• Portable communication equipment
• DC/DC, AC/DC converters
•Many I2C DAC and ADC with alert applications
FIGURE 1. APPLICATION DIAGRAM
VOUT = 0.6 +
(0.6 – DAC OUT)
* R2/R1
A1
SCL
SDA
VINP
GND
ADC
16-Bit
PMBus
REG
MAP
A0
ISL28023
VCC
VINM
VBUS
FB
ISL85415
En
PG
VIN
A2
8-Bit
DAC
DAC OUT
Lo
Phase
To SMBAlert1
0.1µF
BOOT
VIN = 4.5V 36V
R2
R1
R3
GPIO/Int
SDA
GPIO
SCL
MCU
SMBALERT2
I2CVCC
3.3V
Vreg
VIN
RSH
AUXV
AUXP
AUXM
Ext_Temp
Place Diode
Near RSH
Temp
Sense
VIN
SMBALERT1
mp


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