Product Introduction

Product parameters

Funtion:Low Power Battery Monitor with Hysteresis Control

Vout Range:1.9V-6V

Vin Range:1.9V-6V

Operating Current:9.5µA Supply Current @VCC=3V

Package:SOT23-6

Threshold:1.211V

Threshold A:±2%


General Description

The CN302 is an low power high accuracy battery monitor with hysteresis control, and is specially designed for monitoring single or multi lithium-ion (Li+) cells, multi-cell alkaline, NiCd, NiMH and multi-cell lead acid batteries.

The CN302 allows for wide hysteresis by adjusting the rising and falling threshold independently. The threshold accuracy is ±2%. The hysteresis eliminates the output chatter sometimes associated with battery voltage monitors, usually due to input voltage noise or battery terminal voltage recovery after load removal.

The device offers both active-low and active-high battery detection outputs.

The device is available in 6 pin SOT23 package.

Applications

l  Battery-powered Systems

l  Multi-cell Li+ Batteries Monitoring

l  Multi-cell Alkaline, NiCd or NiMH Batteries Monitoring

l  Multi-cell Lead Acid Batteries Monitoring

Features

l  Precise Threshold: ±2%

l  Adjustable Hysteresis to Eliminate the Output Chatter

l  Active-low and Active-high CMOS Outputs

l  9.5µA Supply Current @VCC=3V

l  Power Supply Transient Immunity

l  Operating Temperature Range

      -40°C to +85°C

l  Available in SOT23-6

l  Lead-free, Rohs-compliant and Halogen-free


Tools and Documents

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