INA230 ハイ / ローサイド測定、双方向電流 / 電力モニタ、I²C 付 | TIJ.co.jp

INA230 (供給中)

ハイ / ローサイド測定、双方向電流 / 電力モニタ、I²C 付

 

概要

The INA230 is a current-shunt and power monitor with an I2C interface that features 16 programmable addresses. The INA230 monitors both shunt voltage drops and bus supply voltage. Programmable calibration value, conversion times, and averaging, combined with an internal multiplier, enable direct readouts of current in amperes and power in watts.

The INA230 senses current on buses that vary from 0 V to +28 V, with the device powered from a single +2.7 V to +5.5 V supply, drawing 330 µA (typical) of supply current. The INA230 is specified over the operating temperature range of –40°C to +125°C.

特長

  • Bus Voltage Sensing From 0 V to +28 V
  • High- or Low-Side Sensing
  • Current, Voltage, and Power Reporting
  • High Accuracy:
    • 0.5% Gain Error (Max)
    • 50-µV Offset (Max)
  • Configurable Averaging Options
  • Programmable Alert Threshold
  • Power Supply Operation: 2.7 V to 5.5 V
  • Package: 3-mm x 3-mm, 16-Pin QFN

INA230 Error Analysis

0.001m ≤ 
 mOhm ≤ 100m
0.0001 ≤ 
A
A ≤ 100 
2.7 ≤ 
V ≤ 36
0 ≤ 
V ≤ 36
-40 ≤ 
C ≤ 125

機能一覧

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Part number オーダー・オプション Common mode voltage (Max) (V) Common mode voltage (Min) (V) Input offset (+/-) (Max) (uV) Input offset drift (+/-) (Typ) (uV/C) Gain (V/V) Gain error (%) Gain error drift (+/-) (Max) (ppm/°C) CMRR (Min) (dB) Bandwidth (kHz) Supply voltage (Max) (V) Supply voltage (Min) (V) Iq (Max) (mA) Digital interface Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
INA230 ご注文 28     0     50     0.1     1     0.5     50     100     3.5     5.5     2.7     0.42     I2C
SMBus    
Alert Function
Bi-directional
Low-side Capable    
Catalog     -40 to 125     VQFN | 16     16VQFN: 9 mm2: 3 x 3 (VQFN | 16)    
INA226 ご注文 36     0     10     0.02     1     0.1     50     126     3.5     5.5     2.7     0.42     I2C
SMBus    
Alert Function
Bi-directional
Low-side Capable    
Catalog     -40 to 125     VSSOP | 10     10VSSOP: 9 mm2: 3 x 3 (VSSOP | 10)    
INA233 ご注文 36     0     10     0.02     1     0.1     25     126     3.5     5.5     2.7     0.4     I2C
PMBus
SMBus    
Alert Function
Bi-directional
Integrated Power Accumulator
Low-side Capable    
Catalog     -40 to 125     VSSOP | 10     10VSSOP: 9 mm2: 3 x 3 (VSSOP | 10)