MAX17843

PRODUCTION

12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface

Industries leading ASIL D Battery Monitor ASIC

Data Sheet (Rev. 0) Product Selection Table
Part Models
2
1ku List Price
Starting From $9.97
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Part Details

  • 12-Cell Battery-Voltage Measurement for Lithium-Ion, NiMH, or Super-Cap Cells
  • Two Auxiliary Analog Inputs for NTC Thermistor or Absolute Voltage Measurement
  • Die Temperature Measurement and alert
  • High-Accuracy Differential Measurement I/Os
    • ±2mV Accuracy at +25°C and 3.6V
  • Integrated 12-Channel Data-Acquisition System
    • Differential High-Voltage Mux to ADC
    • 14-Bit ADC Resolution with Oversampling
    • 12 Cell Voltages Measured within 142μs
    • Module Voltage Measurement
    • Redundant ADC
  • Battery Fault Detection
    • Overvoltage and Undervoltage Digital Threshold Detection
    • Enhanced Diagnostic Features for Fault Detection to Support ASIL and FMEA
  • 12 Internal Cell-Balancing Switches
    • Support Up to 150mA per Switch
    • Emergency Cell-Discharge Mode
  • Integrated 9V to 65V Input Linear Regulator
  • Integrated Temperature-Compensated, Voltage Reference
  • Robust Differential Daisy-Chain UART Interface
    • Up to 32 Connected ICs in a Single Daisy-Chain
    • Compatible with Direct MCU Connection
    • Standard UART bytes at 2Mb/s (max) Rate
  • Four General-Purpose Digital I/O Lines
  • Built-In Diagnostics to Support ASIL D and FMEA Requirements
  • Ultra-Low-Power Dissipation
    • 2.0mA (typ) Standby-Mode Supply Current
    • 3µA Shutdown Mode Leakage Current
  • -40°C to +125°C Operating Temperature Range (AEC-Q100 Grade 1)
  • 64-Pin, Lead-Free/RoHS-Compliant, 10mm x 10mm LQFP Package
MAX17843
12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface
MAX17843: Functional Block Diagram title=
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Documentation

Data Sheet 1

Design Note 1

Evaluation Design File 1

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Hardware Ecosystem

Parts Product Life Cycle Description
UART-to-SPI Bridge 1
MAX17841B
PRODUCTION Automotive SPI Communication Interface (ASCI)
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Tools & Simulations

Software Development 1

Evaluation Kits

MAX17843EVKIT

Evaluation Kit for the MAX17843

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Features and Benefits

  • Battery-Cell String Emulation
  • UART Interface
  • Windows XP®-, Windows Vista®-, Windows® 7-, and Windows 10-Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17843 evaluation kit (EV kit) demonstrates the capabilities of the MAX17843 12-channel, high-voltage smart sensor data-acquisition interface IC. Vertical headers (P2, P3, P5, and P6) allow for the connection of multiple EV kits, supporting up to a 32-device (max) daisy-chain configuration.

Applications

  • 48V Vehicle Battery Modules or Systems
  • Battery Packs
  • Electric Bikes
  • High-Power Battery-Backup Systems
  • High-Voltage Electric Vehicle (EVs)
  • Hybrid Electric Vehicles (HEVs)
  • Power Tools
  • Super-Cap Backup Systems
MAX17843EVKIT
Evaluation Kit for the MAX17843

Latest Discussions

1 Years Ago
RE: MAX17851 can't connected MAX17843 daisy chain
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