MAX17830

12-Channel, High-Voltage Battery Sensor with Advanced SMBus Ladder and External Cell Balancing

Meets the Industry's Toughest Automotive OEM Standards for Safety, Performance, and Reliability


Description

The MAX17830 is Maxim's second-generation, high-voltage battery-management solution. With higher accuracy, safety-enabling features, and an automotive-hardened SMBus ladder, the MAX17830 sets many industry firsts for the developing electric vehicle market.

The industry's first 80V-tolerant 12-cell device, the MAX17830 has been put through rigorous testing to ensure operation under the most hostile of EMC/EMI environments. The robust SMBus ladder daisy chain supports cable lengths of up to 2m and passes tough industry compliance testing. Cell-reversal capability and 96-cell hot-plug performance make pack assembly easy for high-cell-count systems.

A host of ASIL-enabling features makes safety assessment of pack operation simple and straightforward for any host microcontroller.

Key Features

  • Safety
    • 80V (abs max) for Handling Large System Transients
    • 96-Cell, Hot-Plug Guaranteed Performance for Fast Pack Assembly
    • Cell-Reversal Tolerant to Support Fuel Cell Systems
    • ASIL and OBD II Enabling Detection Modes
    • Extensive Pin and Block FMEA-Detection Capability
  • Performance
    • Automotive-Hardened SMBus Ladder Performance
    • Support for Sampling full cell stack, 100x per Second
    • World-Class Accuracy: 0.1% Cell-Reading Error
    • Selectable High-Resolution Mode
    • Matching Current Consumption of ±10% from IC to IC
    • Separate External Cell Balancing Controls Allow Accurate Cell Measurement While Balancing
  • Quality
    • Mature Mixed-Signal Process
    • 100% Wafer Sort with SBL
    • PAT Screening at Package Test

Applications/Uses

  • Electric and Hybrid Electric Vehicle (HEV) Battery Packs
  • Electric Bikes
  • High-Power Battery-Backup Systems
  • High-Voltage, Multicell Series-Stacked-Battery Systems
  • Power Tools
  • SuperCap Backup Systems

Technical Documents

App Note 5070 Measure Multiple Temperatures in Battery-Management Systems, and Save Power Too

Quality and Environmental Data

Request Reliability Report for: MAX17830 
Lead-Free Package Tin (Sn) Whisker Reports
 

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