MAX9921

PRODUCTION

Dual, 2-Wire Hall-Effect Sensor Interface with Diagnostics

Industry's First 2-Wire Hall-Effect Sensor Interface Solution Saves Space and Cost in Automotive Applications

Part Models
4
1ku List Price
Starting From $1.16
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Part Details

  • Withstands 60V at BAT Supply and Hall Inputs
  • 6V to 18V Operating Voltage Range
  • Provides Supply Current and Interfaces to Two 2-Wire Hall Sensors
  • Error Output with Diagnostics of Hall Inputs and BAT Voltage
  • Protects Hall Sensors from Overvoltage by Isolating them from Supply Transients
  • Hall Inputs Protected from Short to Ground
  • Ramps Current to Hall Sensors at 4mA/µs
  • Output Enable Input Allows Multiplexing of Outputs from Multiple MAX9921s
  • Hall Output Filtering
  • Hall Sensor Blanking Following Hall Sensor Power-Up or Restart
  • Low-Power Shutdown, Controlled with OE and DIAG Inputs
  • Operates with ±2V Ground Shifts Between Hall Sensor and MAX9921
MAX9921
Dual, 2-Wire Hall-Effect Sensor Interface with Diagnostics
MAX9921: Typical Application Circuit
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Evaluation Kits

MAX9921EVKIT

Evaluation Kit for the MAX9921

Features and Benefits

  • 6V to 18V Operating Voltage Range, Survives 60V
  • Two 2-Wire Hall-Effect Sensors on the Board
  • Three Output Status LED Indicators
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX9921 evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the capabilities of the MAX9921 dual 2-wire Hall-effect sensor interface with diagnostics capability. The EV kit comes with the MAX9921AUB+ installed.

Applications

  • Door Modules
  • Electric Sunroofs
  • Powered Lift Gate Controllers
  • Powered Running Boards
  • Seat Movers
  • Seatbelt Buckles
  • Window Lifters

MAX9921EVKIT
Evaluation Kit for the MAX9921

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