BQ2013H Battery Monitor with Internal Coulomb Counter IC

BQ2013H Battery Monitor with Internal Coulomb Counter IC

The BQ2013H Gas Gauge IC is intended for battery-pack installation to maintain an accurate record of a battery’s available charge. The IC monitors a voltage drop across a sense resistor connected in series between the negative battery terminal and ground to determine charge and discharge activity of the battery. The bq2013H is designed for high capacity battery packs used in high-discharge rate systems. Battery self-discharge is estimated based on an internal timer and temperature sensor. Compensations for battery temperature, rate of charge, and self-discharge are applied to the charge counter to provide available capacity information across a wide range of operating conditions.

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• Accurate measurement of available charge in rechargeable batteries
  

• Designed for electric assist bicycles and other applications
  

• Measures a wide dynamic current range
  

• Supports NiCd, NiMH or lead acid
  

• Designed for battery pack integration- 120µA typical standby current(self-discharge estimation mode)
  

• Automatic charge and self discharge compensation using internal temperature sensor.
  

Specifications of BQ2013H Battery Monitor with Internal Coulomb Counter IC

• Supply Voltage (V_CC): 2.7 V to 5.5 V
  

• Operating Current: 250 µA (typical)
  

• Temperature Range: -20°C to +85°C
  

• Input Voltage Range (Sense Inputs): ±1 V for the current sense resistor
  

• Battery Types Supported: Lithium-ion (Li-ion), Nickel-Metal Hydride (NiMH), Nickel-Cadmium (NiCd)
  

• Communication Protocol: 1-wire or 2-wire serial communication.
  

Package Includes

• 1 x BQ2013H Battery Monitor with Internal Coulomb Counter IC