An ultra−low power protection integrated circuit managing lithium−ion 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−Voltage (OV) and Under−Voltage (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−Pull or Open Drain)
  • High−Accuracy Voltage Measurement ±5 mV
  • Low Power Consumption Icc = 4 μA
  • Input BAT Voltage Range 5 V to 25 V, tolerant to 65 V for Increased Immunity to Surge
  • Extended Junction Temperature Range to 125°C

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Battery Type

Number of Cells Charged

Interface

VDD Min (V)

VDD Max (V)

IDD (µA)

Tolerance (%)

TA Min (°C)

TA Max (°C)

Pricing ($/Unit)

NCS35011DTBR2G

Active

CAD Model

Pb

A

H

P

TSSOP-16

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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