Battery Fuel Gauge

  HY4222 1-to-3 Cell Li+ Battery Gauge IC with Direct Connection
  Main Features of HY4222 Series:   

  Used as stand–alone battery gauge for 1 to 3 Li+ Cell battery applications
         Integrate dual 16-bit ADCs for precision voltage, current, and temperature measurements
         Use a low cost and low value sense resistor with calibration for current measurement
         Use integrated and external temperature sensors for temperature measurement
  Integrate accurate battery capacity estimate system
         Integrate GaugePackTM algorithm – mixed algorithm with coulomb counting, open circuit cell voltage measurement and cell characteristics
         Compensate rate, temperature, age and self–discharge effects automatically
         Require no fully battery charge-to-discharge or Discharge-to-charge recycling for capacity learning process
         Backup specific battery capacity information to Nonvolatile (NV) Flash memory automatically
  Support LEDs for capacity indication
  Feature programmable protection alerts
        Protections for voltage, current, and temperature faults
        Provide pin alert for voltage, current, and temperature protection
  Backup battery lifetime data to Nonvolatile (NV) Flash memory automatically
  Provide 96 bytes Nonvolatile (NV)user scratch pad Flash memory
 
  Application:   
  E-Bikes
  E-Power Tools
  Portable Instruments

 

  Battery Fuel Gauge
Model No.

Cell No

Protection

LEDs

Interface

Authentication

User Flash
(Bytes)

Package

Datasheet

Command and Data
Specification

Technical Reference

HY4222
1~3
JEITA
5
2-Wire
(I2C)
SHA-1
96
TSSOP-20
Please contact HYCON
for details
Please contact HYCON
for details

  Battery Fuel Gauge Technical Support
Document

Description

Software

Revision
Information

Software
Information
Update

Software User
Manual

Hardware User
Manual

HY4222-AK01
Performance Test Tool
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HY4222-WK01
Programmer
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