SLAT163 July   2024 AFE43902-Q1 , AFE439A2 , AFE53902-Q1 , AFE539A4 , AFE539F1-Q1 , AFE639D2 , DAC43204 , DAC43401 , DAC43401-Q1 , DAC43701 , DAC43701-Q1 , DAC43901-Q1 , DAC43902-Q1 , DAC53001 , DAC53002 , DAC53004 , DAC53004W , DAC53202 , DAC53204 , DAC53204-Q1 , DAC53204W , DAC53401 , DAC53401-Q1 , DAC53701-Q1 , DAC539E4W , DAC539G2-Q1 , DAC63001 , DAC63002 , DAC63004 , DAC63004W , DAC63202 , DAC63202W , DAC63204 , DAC63204-Q1 , DAC63204W

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1What is a Smart DAC?
  5. 2What is a Smart Analog Front End (AFE)?
  6. 3Smart DAC selection guide
  7. 4Smart AFE Selection Guide
  8. 5Applications
    1. 5.1 Lightning
      1. 5.1.1 Light Emitting Diode (LED) Biasing and Linear Fade-In Fade-Out
      2. 5.1.2 LED Biasing With LED Driver
      3. 5.1.3 Analog Thermal Foldback
        1. 5.1.3.1 Single Slope Thermal Foldback
        2. 5.1.3.2 Multi-Slope Thermal Foldback
      4. 5.1.4 Logarithmic Fade-In/Fade-Out
      5. 5.1.5 LED Sequencing
    2. 5.2 Control
      1. 5.2.1 Voltage Margining and Scaling With Voltage Output Smart DAC
      2. 5.2.2 Thermoelectric Cooling (TEC) Control
        1. 5.2.2.1 TEC Control Using DC/DC Driver
        2. 5.2.2.2 TEC control using h-Bridge driver
      3. 5.2.3 Analog Power Control (APC) of a Laser
      4. 5.2.4 Constant Power Control
    3. 5.3 Microcontroller Independent Fault Management and Communication
      1. 5.3.1 Programmable Comparator Using Smart DAC
      2. 5.3.2 GPI-to-PWM
      3. 5.3.3 If-Then-Else Logic
    4. 5.4 Driver
      1. 5.4.1 Lens Positioning Control for Camera Module Auto-Focus and Image Stabilization
      2. 5.4.2 Laser Drive
    5. 5.5 Miscellaneous Smart DAC Applications
      1. 5.5.1 Software-less Medical Alarm Generation
      2. 5.5.2 555 Timer

4 Smart AFE Selection Guide

Table 4-1 Smart Analog Front End (AFE) Selection Guide
Part numberSpecificationsDescriptionApplicationEnd Equipment
AFE539A43-ch 10-bit VDAC, 1-ch ADCDigital PI loop with voltage outputTEC control using DC/DC driver

IVD

Optical Module

AFE439A21-ch VDAC, 1-ch ADC, PWM, GPODigital PI loop with PWM and digital outputTEC control using h-bridge driver

IVD

Optical Module

AFE639D21-ch VDAC, 1-ch ADCDigital PI loop with voltage output and I2C sensor interfaceTEC control using DC/DC driver

IVD

Optical Module

AFE53902-Q110-bit, 1-ch VDAC, 1-ch PWM, 1-ch ADCState machine configured to control the LED output based on the current temperatureMultislope thermal foldback

Automotive lighting

Lighting

AFE53902-Q18-bit, 1-ch VDAC, 1-ch PWM, 1-ch ADCState machine configured to control the LED output based on the current temperatureMultislope thermal foldback

Automotive lighting

Lighting

DAC43902-Q18-bit, 4-ch PWMState machine configured to control LED animation patternsLogarithmic fade-in and fade-out

Sequential on/off control

Automotive lighting

Lighting

DAC43901-Q18-bit, 2-ch PWMState machine configured to control LED animation patternsLogarithmic fade-in and fade-out
Sequential on/off control

Automotive lighting

Lighting

DAC539G2-Q13 GPI, 1-ch PWMLUT to convert GPI input to PWM with a unique duty cycleGPI-to-PWM fault communication

Automotive lighting

Wired control

Appliances

DAC539E4W4 programmable comparators, 4 GPOsLUT to convert comparator outputs into corresponding GPOsIf-then-else fault management

Appleances

AFE539F1-Q11-ch ADC, 1-ch PWMConstant power dissipation control across the load based on the transfer functionTraction inverter/ constant power control

Traction inverter

Elevator

AFE532A3W1-ch IDAC, 1-ch VDAC, 1-ch ADCClosed loop control and biasing of a laser diodeLaser driver

Optical module

Laser