INA219BIDCNR Power Path Management IC Current & Power Monitors & Regulators 0-Drift,Bi-dir Current/Pwr Mon
battery charge management ic
,power management integrated circuit
INA219BIDCNR Power Path Management IC Current & Power Monitors & Regulators 0-Drift,Bi-dir Current/Pwr Mon
1 Features
- Senses Bus Voltages from 0 to 26 V
-
Reports Current, Voltage, and Power
-
16 Programmable Addresses
-
High Accuracy: 0.5% (Maximum) Over Temperature (INA219B)
-
Filtering Options
-
Calibration Registers
-
SOT23-8 and SOIC-8 Packages
2 Applications
-
Servers
-
Telecom Equipment
-
Notebook Computers
-
Power Management
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Battery Chargers
-
Welding Equipment
-
Power Supplies
-
Test Equipment
3 Description
The INA219 is a current shunt and power monitor with an I2C- or SMBUS-compatible interface. The device monitors both shunt voltage drop and bus supply voltage, with programmable conversion times and filtering. A programmable calibration value, combined with an internal multiplier, enables direct readouts of current in amperes. An additional multiplying register calculates power in watts. The I2C- or SMBUS-compatible interface features 16 programmable addresses.
The INA219 is available in two grades: A and B. The B grade version has higher accuracy and higher precision specifications.
The INA219 senses across shunts on buses that can vary from 0 to 26 V. The device uses a single 3- to 5.5-V supply, drawing a maximum of 1 mA of supply current. The INA219 operates from –40°C to 125°C.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
INA219 |
SOIC (8) |
3.91 mm × 4.90 mm |
|
SOT-23 (8) |
1.63 mm × 2.90 mm |
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