ISL28022 Datasheet PDF - Intersil
| Part Number | ISL28022 | |
| Description | Precision Digital Power Monitor | |
| Manufacturers | Intersil | |
| Logo |  |
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Precision Digital Power Monitor
ISL28022
The ISL28022 is a bi-directional high-side and low-side digital
current sense and voltage monitor with serial interface. The
device monitors current and voltage and provides the results
digitally along with calculated power. The ISL28022 provides
tight accuracy of less than 0.3% for both voltage and current
monitoring over the entire input range. The digital power
monitor has configurable fault thresholds and measurable
ADC gain ranges.
The ISL28022 handles common-mode input voltage ranging
from 0V to 60V. The wide range permits the device to handle
telecom, automotive and industrial applications with minimal
external circuitry. Both high and low-side ground sensing
applications are easily handled with the flexible architecture.
The ISL28022 consumes an average current of just 700µA
and is available in the space saving 10 Ld MSOP package. The
ISL28022 is also offered in a 16 Ld QFN package. The part
operates over the extended temperature range from -40°C to
+125°C.
Features
• Bus voltage sense range . . . . . . . . . . . . . . . . . . . . . . 0V to 60V
• 16-bit ∑∆ADC monitors current and voltage
• Voltage measuring error . . . . . . . . . . . . . . . . . . . . . . . . . <0.3%
• Current measuring error . . . . . . . . . . . . . . . . . . . . . . . . . <0.3%
• Handles negative system voltage
• Over/undervoltage and current fault monitoring
• I2C/SMBus interface
• Wide VCC range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.5V
• ESD (HBM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8kV
• Supports high speed I2C . . . . . . . . . . . . . . . . . . . . . . . 3.4MHz
Applications
• Routers and servers
• DC/DC, AC/DC converters
• Battery management/charging
• Automotive power
• Power distribution
• Medical and test equipment
VIN = 0V TO 60V
Voltage
Regulator
VOUT
EN
VBUS
VINP
VINM
ADC
16-Bit
VCC REG
MAP
ECLK/INT
FIGURE 1. TYPICAL APPLICATION
VCC
GND
SMBCLK/SCL
SMBDAT/SDA
A0
A1
April 26, 2013
FN8386.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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ISL28022
Absolute Maximum Ratings
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.0V
VBUS Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..63V
Common Mode Input Voltage (VINP, VINM) . . . . . . . . . . . . . . . . . . . . . . . 63V
Differential Input Voltage (VINP, VINM) . . . . . . . . . . . . . . . . . . . . . . . . . .±63V
Input Voltage (Digital Pins) . . . . . . . . . . . . . . . . . . . . . . . . .GND-0.3V to 5.5V
Output Voltage (Digital Pins) . . . . . . . . . . . . . . . . . . . . GND-0.3 to VCC+0.3V
Open Drain Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Open Drain Voltage (Interrupt) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
ESD Rating
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V
Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.0kV
Latch up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V @ + 125°C
Thermal Information
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
16 Ld QFN (Notes 5, 6) . . . . . . . . . . . . . . . .
52
6.5
10 Ld MSOP (Notes 7, 8) . . . . . . . . . . . . . . .
150
55
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Maximum Junction Temperature (TJMAX) . . . . . . . . . . . . . . . . . . . . .+150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . .-40°C to +125°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
5. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379.
6. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
7. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
8. For θJC, the “case temp” location is taken at the package top center.
Electrical Specifications TA = +25°C, VCC = 3.3, VINP = VBUS = 12V, VSENSE = VINP-VINM = 32mV, unless otherwise specified. All voltages
with respect to GND pin.
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 9) TYP (Note 9) UNIT
INPUTS
VSENSEDIFF
Useful Full Scale Current Sense
Differential Voltage Range (VINP-VINM)
PGA Gain = /1
PGA Gain = /2
0 ±40 mV
0 ±80 mV
PGA Gain = /4
0
±160
mV
PGA Gain = /8
0
±300
mV
VSHUNT_step
VCMSENSE
LSB Step Size, Shunt Voltage
Current Sense Common Mode
(VINP, VINM)
10 µV
0
VBUS
V
VOS VSENSE Offset Voltage
PGA Gain = /1, /2, /4, /8;
ADC Setting = 1111
±10 ±75 µV
VOSTC
VSENSE Offset Voltage Temperature
Coefficient
0.15
µV/°C
CMRR
PSRR
ACS
ACSTC
VSENSE VOS vs Common Mode
VSENSE VOS vs Power Supply
Current Sense Gain Error
Current Sense Gain Error Temperature
Coefficient
VBUS = 0 to 60V; BRNG = 2, 3
VCC = 3V to 5V
110 130
105
±40
±1
dB
dB
m%
m%/°C
IVINACT
IVINACT
Input Leakage, VIN Pins
Input Leakage, VIN Pins
Active Mode
(for both VINP and VINM pins)
Power Down Mode
(for both VINP and VINM pins)
±20
±0.1
±0.5
µA
µA
5 FN8386.1
April 26, 2013
Free Datasheet http://www.datasheet4u.com/
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ISL28022 electronic component. |
| Information | Total 28 Pages | |
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| Download | [ ISL28022.PDF Datasheet ] | |
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