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Battery Fuel Gauges | NCS35011

An ultra鈭抣ow power protection integrated circuit managing lithium鈭抜on batteries from 3 to 5 cells in series with accurate battery voltage indication up to 5 LED outputs.

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Overview

Each cell in the battery pack is monitored for an over−voltage and under−voltage condition.
Upon detecting an over−voltage, the ODI pin will assert indicating a fault condition and stay asserted until the fault is cleared. During an under voltage condition, the UDI pin will also assert indicating the fault but will have a pulse width that is
pre−set in the protector. Both over and under voltage detections have a hard coded pre−set delay time before fault indication.
Pulling the ENB high will start a measurement of the battery pack voltage which will be compared to a pre−set detection threshold table.
If a threshold voltage is exceeded the protector will power the corresponding LED to indicate state of charge of the pack.
Hardware protection and battery monitoring run autonomously and allows operation without a microcontroller.

  • Consumer products, primary or secondary protection
  • Industrial products, secondary protection

  • Portable/Autonomous Equipment (Cleaners, Mowers, Motive, Medical)
  • Power and Gardening Tools

  • Over鈭扸oltage (OV) and Under鈭扸oltage (UV) Detection
  • Protection for 3, 4 and 5 Series Cells
  • State of Charge (SoC) Indication with High Voltage Tolerant LED Drivers
  • Configurable Fault Outputs (Active High or Low for Push鈭扨ull or Open Drain)
  • High鈭扐ccuracy Voltage Measurement 卤5 mV
  • Low Power Consumption Icc = 4 渭A
  • Input BAT Voltage Range 5 V to 25 V, tolerant to 65 V for Increased Immunity to Surge
  • Extended Junction Temperature Range to 125掳C

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NCS35011DTBR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

3

260

REEL

2500

F

Li-Ion/Polymer

3 to 5

IO Line

5

28

4

~NA~

-40

125

$0.5439

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