SDAA508 September   2026 DRV81545

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  5. 2Detailed Description
    1. 2.1 DRV81545 Surge (IEC 61000-4-5) with External TVS Diode
      1. 2.1.1 Test Details
      2. 2.1.2 Test Setup
      3. 2.1.3 Results and Observations
      4. 2.1.4 Observations
    2. 2.2 DRV81545 EFT (IEC 61000-4-4) on VM line
      1. 2.2.1 Test Details
      2. 2.2.2 Test Setup
      3. 2.2.3 Results and Observations
      4. 2.2.4 Observations
    3. 2.3 DRV81545 EFT (IEC 61000-4-4) on OUT line
      1. 2.3.1 Test Details
      2. 2.3.2 Test Setup
      3. 2.3.3 Results and Observations
      4. 2.3.4 Observations
    4. 2.4 DRV81545 CISPR-32 Conducted Emissions
      1. 2.4.1 Test Details
      2. 2.4.2 Test Setup
      3. 2.4.3 Results and Observations
      4. 2.4.4 Observations
    5. 2.5 DRV81545 CISPR-32 Radiated Emissions
      1. 2.5.1 Test Details
      2. 2.5.2 Test Setup
      3. 2.5.3 Results and Observations
      4. 2.5.4 Observations
    6. 2.6 Thermal Comparison against Pin-to-Pin and Similar Competition
      1. 2.6.1 Test Details
      2. 2.6.2 Test Setup
      3. 2.6.3 Results and Observations
    7. 2.7 Large Inductive Load Test – 1200mH per OUTx
      1. 2.7.1 Test Details
      2. 2.7.2 Results and Observations
  6. 3Summary
  7. 4References

2.3.1 Test Details

Burst peak voltage: up to 2.8kV; pulse repetition rate inside burst: 100kHz.

Burst duration: 15ms; burst period: 300ms; one burst frame for 10s; 10s rest between burst frames; six burst frames total.

Coupling: OUTx motor outputs.

Device powered with VM = 24V and a 48Ω load on each OUTx.

INx driven with a 20kHz, 3.3V PWM signal.