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PJ75226

系統監控

PJ75226

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產品描述

High Accuracy Current and Power Monitor
with I2C and SMBus Compatible Interface

產品特點

Operating Voltage : 2.7 V to 5.5 V
Senses Bus Voltage (Input Voltage) : 0 V to 36 V
16-Bit Delta-Sigma ADC
Reports Current, Voltage, and Power
Programmable Calibration Value, Conversion times, and Averaging Options
High Accuracy : 0.1 % Gain Error (Max.) , 10 μV Offset (Max.)
Compatible with SMBus and I2C interface
I2C Speed up to 2.94 MHz (High-Speed Mode)
Integrated Noise Filter on SCL/SDA inputs
16 Programmable Addresses
Operating temperature Range : -40°C to 125°C
Available Package : DFN3x3-10, MSOP-10P

應用領域

Server Telecom equipment High-Performance Computing Power Metering Battery Chargers Power Supplies Test Equipment

產品介紹

產品規格

相關檔案
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產品介紹

The PJ75226 is a current shunt and power monitor with an I2C interface. The PJ75226 monitors both shunt voltage drop and bus supply voltage. The device can directly read current in amperes and power in watts, with programmable calibration value, conversion times, and averaging options, combined with an internal multiplier. It supports up to 16 programmable addresses on I2C interface.

產品規格

Recommended Operating Conditions

拖曳表格以查看完整資訊。

PARAMETER
SYMBOL
VALUE
UNIT
Common-mode input voltage
VCM
12
V
Operating supply voltage
VCC
3.3
V
Operating free-air temperature
TA
-40 to 125
°C

Key Electrical Characteristics , TA = 25

拖曳表格以查看完整資訊。

PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Shunt voltage input range
-
-
-81.9175
-
81.92
mV
Bus voltage input range
-
-
0
-
36
V
Common-mode rejection
CMRR
0 V ≤ VIN+ ≤ 36 V
126
140
dB
Shunt offset voltage, RTI
VOS
-
±2.5
±10
µV
Shunt offset voltage, RTI vs temperature
-
–40°C ≤ TA ≤ 125°C
-
0.045
0.1
µV/°C
Shunt offset voltage, RTI vs Power supply
PSRR
2.7 V ≤ VS ≤ 5.5 V
-
2.5
µV/V
Bus offset voltage, RTI
VOS
-
±1.25
±7.5
mV
Bus offset voltage, RTI vs temperature
-
–40°C ≤ TA ≤ 125°C
-
10
40
µV/°C
Bus offset voltage, RTI vs Power supply
PSRR
-
-
0.5
-
mV/V
Input bias current (IIN+, IIN- pins)
IIB
-
-
8
-
µA
VBUS input impedance
-
-
-
870
-
kΩ

相關檔案

技術資料

No.
項目
檔案格式
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PJ75226_Datasheet

PDF

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