BQ35100PWR Battery Fuel Gauge 1-Cell Li-SOCl2 I2C Interface ±1% Accuracy 1.8-3.6V 14-TSSOP -40°C to +85°C

BQ35100PWR

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Features

andbull; Fuel gauge and battery diagnostics for flow meter applications predict end-of-service or early battery failure

andndash; Supports lithium thionyl chloride (Li-SOCl2) and lithium manganese dioxide (Li-MnO2) chemistry batteries

andndash; Accurate voltage, temperature, current, and coulomb counter measurements that report battery health and service life

andndash; State-of-health (SOH) algorithm for Li-MnO2

andndash; End-of-service (EOS algorithm for Li-SOCl2)

andndash; Coulomb accumulation (ACC) algorithm for all battery types

andbull; Ultra-low average power consumption to maximize battery run time

andndash; Gauge enabled through host-controlled periodic updates

andndash; State-of-health (SOH) ~0.06 andmicro;A

andndash; End-of-service (EOS) ~0.35 andmicro;A

andndash; Coulomb accumulation (ACC) diagnostic updates ~0.3 andmicro;A

andbull; System interaction capabilities

andndash; I2C host communication, providing battery parameter and status access

andndash; Configurable host interrupt

andndash; Battery information data logging options for in operation diagnostics and failure analysis

andndash; SHA-1 authentication to help prevent counterfeit battery use

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Applications

andbull; Usedin primary battery systems and suitable for dynamic load and large ambient temperature change applicationsandndash; Smart meters and flow metersandndash; Door access controlandndash; Smokeand gas leak detectorsandndash; Building automationandndash; IoT, including sensor nodesandndash; Asset tracking

andbull; Battery status reporting and diagnostics with early failure detection for flow meter systems

andbull; Extends battery runtime with accurate battery gauging for smoke detector, sensor node, and asset tracker applications

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Description

The BQ35100 Battery Fuel Gauge and End-Of Service Monitor provides highly configurable fuel gauging for non-rechargeable (primary) lithium batteries without requiring a forced discharge of the battery. Built so that optimization is not necessary to achieve accurate gauging, the BQ35100 device uses patented TI gauging algorithms to support the option to seamlessly replace an old battery with a new one.

The BQ35100 device provides accurate results with ultra-low average power consumption where less than 2 andmicro;A can be achieved through host control via the GAUGE ENABLE (GE) pin. The device is only required to be powered long enough, at a system determined update frequency, to gather data and to make calculations to support the selected algorithm. A typical system may need to only be updated once every 8 hours as the gauge is not required to be powered to measure all discharge activity.

The fuel gauging functions use voltage, current, and temperature measurements to provide state-of-health (SOH) data and end-of-service (EOS) warning information where the host can read the gathered data through a 400-kHz I2C bus. An ALERT output, based on a variety of configurable status and data options, is also available to interrupt the host.

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INFORMATION

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Drawing

Our advantage :

• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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Our Strong in Brand including Microchip, MAX, AD, TI, NXP, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

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