Tailored for automotive motor control, the TLE9140EQW gate driver from Infineon eases the migration of systems from 12 V to 24 V or 48 V. The IC drives three-phase bridges for brushless DC motors commonly found in automotive applications, such as engine cooling fans, water pumps, oil pumps, and HVAC modules.
Part of the MOTIX family of motor control solutions, the TLE9140EQW gate driver can be paired with Infineon’s MOTIX TLE987x and TLE989x 32-bit motor control MCUs. The driver accommodates a wide input voltage range of 8 Vsm to 72 Vsm and offers high-voltage robustness up to 110 V. It also provides a gate driving capability of ~230 nC/MOSFET up to 20 kHz.
The TLE9140EQW is compliant with the ISO 26262 ASIL B functional safety standard and operates over a temperature range of -40° to +175°C. Protection and diagnostic functions include overvoltage, undervoltage, cross-current, and overtemperature, along with drain-source monitoring and off-state diagnostics.
The TLE9140EQW gate driver is available now in small TS-DSO-32 packages. Infineon also offers an evaluation board to speed prototyping and ease the design-in process.
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