MAX25614C

PRODUCTION

Automotive IR LED/VCSEL Driver for Driver Monitoring Systems

Automotive Infrared LED/VCSEL Driver Simplifies Design for Automotive Driver and Occupant Monitoring Systems

Part Models
2
1ku List Price
Starting From $4.37
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Part Details

  • Integration Minimizes BOM and PCB Area
    • Boost/Buck ​Maxim-Proprietary Architecture
    • Integrated 0.168Ω Switching nFET
    • Integrated pFET with Inrush Current Limit
    • Analog Control Inputs
  • Comprehensive Fault Protection
    • Boost Undervoltage/Overvoltage Protection
    • LED Current Monitoring 
    • LED Ground Short and Overcurrent Protection
    • LEDN Short-to-Battery Protection
    • LED Open Protection
    • pFET Timeout
    • Thermal Warning and Shutdown
  • EMI Mitigation
    • Spread-Spectrum Frequency Modulation
  • Automotive Ready
    • -40°C to +125°C Operating Temperature Range
    • AEC-Q100 Grade 1 Qualified
MAX25614C
Automotive IR LED/VCSEL Driver for Driver Monitoring Systems
MAX25614AB SimpAppCirc
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Documentation

Data Sheet 1

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Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).

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Hardware Ecosystem

Parts Product Life Cycle Description
Step-Up (Boost) LED Drivers 2
MAX25614A PRODUCTION Automotive IR LED/VCSEL Driver for Driver Monitoring Systems
MAX25614B PRODUCTION Automotive IR LED/VCSEL Driver for Driver Monitoring Systems
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Evaluation Kits

MAX25614DEVKIT

Evaluation Kit for the MAX25614C/MAX25614D

Features and Benefits

  • Boost/Buck Maxim Proprietary Control Architecture
  • Integrated Protections for Eye Safety, PWM Pulse Width Timer, and LED Current Monitor
  • Onboard IR Emitter Load

Product Details

The MAX25614D evaluation kit (EV kit) provides a proven design to evaluate the MAX25614C/MAX25614D automotive infrared LED drivers. The EV kit operates from a 5V to 18V DC supply voltage.

The EV kit is configured to deliver up to 5A to a string of LEDs. The total voltage of the string can vary from 0 to 32V. The high current driver uses fixed-frequency average current mode control. The LEDs may be connected by using the on-board IR LEDs or using onboard external connection pads. The anode of the LED string should be connected to the LED1+ terminal. The cathode of the LED string should be connected to LED-. The LED current, input current, and boost voltage are all controlled through the analog inputs VSET and ICTRL. The strobe signal can be applied to the PWM input to set the IR emitter pulse duration and frequency. A fault flag is provided on the FLTB test point, indicating fault conditions such as LED short to ground or LED open.

APPLICATIONS

  • Automotive Driver Monitoring System (DMS)
  • Automotive Occupant Monitoring System (OMS)
  • Night Vision
  • Optical Inspection/Machine Vision

NDA PROCESS

  • To apply for the NDA, fill out the request form and agree to the Terms and Conditions.
  • Applying for an NDA does not necessarily guarantee approval or shipment of any device or software.
  • NDA is subject to approval by the Customer Service Team and will notify applicants accordingly.
  • If the NDA is approved, customers will need to register for a MyAnalog account (for existing account holders, please log in with your details) in order to access the zip file under the Software Development section (note that this will appear only for approved MyAnalog accounts).

MAX25614DEVKIT
Evaluation Kit for the MAX25614C/MAX25614D

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