TPSI31P1-Q1 Automotive Active Pre-charge Controller With 17V Isolated Gate Driver and Bias Supply

1 Features

Replaces large, high power pre-charge resistors using a switched converter architecture
Improved thermal performance compared to passive pre-charge solutions
Hysteretic current control for linear charging of downstream capacitance
Drives external power transistors such as Si, SiC MOSFET, or IGBT
Integrated isolated secondary supply for gate bias
17V gate drive, 1.5A and 2.5A peak source and sink current
AEC Q-100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
Safety-related certifications
- Planned: 7070V_PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- Planned: 5kV_RMS isolation for 1 minute per UL 1577

TPSI31P1-Q1 Simplified Application