Battery Fuel Gauge

  HY4145 Single Cell Li+ Battery Gauge IC with Protection
  Product Features:  

  Used as Stand–alone Battery Gauge for Single 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 Tempe rature 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
  Feature Programmable Protection Alerts
        Protections for Voltage, Current, and Temperature Faults
        Provide Pin Alert for Voltage, Current, and Temperature Protection
  Feature Programmable Pin Indications
        Battery Low Capacity Alert
  Backup Battery Lifetime Data to Nonvolatile (NV) Flash Memory
      Automatically
  Provide 96 Bytes Nonvolatile (NV) User Scratch Pad Flash Memory
  Support Low Power Modes Management
  Support Power Supply Management for Direct Battery Connection
  Support 1-Wire and 2–Wire Communication Interfaces
  Support SHA-1 Authentication for Safety
  Tiny, RoSH–free / Pb–free, 2.5mm x 4mm 12–pin DFN Package


 
  Applications:  

  Smartphone
  PDAs
  E-books
  Digital Still and Video Cameras
  Portable Instruments
 
Model No.

Cell No

Protection

LEDs

Interface

Authentication

User Flash
(Bytes)

Datasheet

Command and Data
Specification

Technical Reference

HY4145(DFN-12)
1
JEITA
-
I2C/1-Wire
SHA-1
96
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

HY4145-AK01
Performance Test Tool
-
-
-
HY4145-WK01
Programmer
-
-
-
-

  Product Application Notes
Document
Description
Download
APD-HY4145004_EN
HY4145 Application Circuit Guide
APD-HY4145005_EN
HY4145 Data Flash Setting Instructions
APD-PCB002_EN
Circuit Design and PCB Layout Guide
 
 
 
 

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