BD18398RUV-ME2

BD7220FV-CE2 is a coulomb counter IC for high-current applications. The product integrates a high-accuracy operational amp, a current accumulation logic circuit and a 16bit ΔΣADC to perform current accumulation with high precision. The current sense input supports shunt resistors and output current sensors, and uses the SPI communication interface. This only requires SPI commands to carry out the calibration necessary for high-precision measurement, so it can also get current accumulation information for battery state-of-charge estimation. Application includes battery current sense for EV, electricity storage systems, automated guided vehicle (AGV), robot.

• AEC-Q100 qualified (grade 1)
• Flexible noise filter (4 settings), automatic calibration via SPI
• Supports current sensing using shunt resistors
• Supports current sensing using current output type current sensors
• Coulomb counter function with SPI external communication
• Accumulation current counter which counts charge and discharge independently
• Adjustable current detection interruption (3 settings), UVLO
• 4 operation modes (NORMAL, SLEEP, SSHDN, OFF), wake up current detection function
• 4.5V to 5.5V input voltage range (VCC), 2.5V to 5.5V input voltage range (VDD)
• SSOP-B20 package, operating temperature range from -40°C to +125°C