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The IC integrates a novel security element that overrides normal

The STMicroelectronics (ST) L99UDL01 automotive common door-lock IC integrates 6 MOSFET half-bridge outputs and two half-bridge gate drivers with protection and diagnostic features that increase security, simplify structure, and preserve space.As being a complete centralized solution for electronically driving automobile locks from a body-control module (BCM), the L99UDL01 replaces various specific motor motorists and related analog and passive elements though giving much more complex functionality.

Discover our half bridge driver, with excellent ruggedness and noise immunity, they are perfect for motor drives, home appliance and battery powered applications.The IC integrates a novel security element that overrides normal procedure in the event of an incident to assist be sure that 1st responders can have accessibility into the car. Including further more benefit are pWM output-current regulation and high-level diagnostics capable of detecting over current, open load, limited to battery, and quick to floor. The load-integrity checks might be completed without the need of actuating the load.

The six built-in MOSFET fifty percent bridges is often connected independently or as two channels made up of around a few 50 % bridges in parallel to share higher-current masses. The output MOSFETs are absolutely protected and have minimal RDS(ON) to boost strength effectiveness and ease thermal administration. Important parameters are adjustable to make sure ideal general performance, including the on-time length, off-state fault detection, and output-current magnitude and way. The programmable latest limit lets designers decrease worry on door-lock motors to reinforce trustworthiness.

The two half-bridge gate drivers boost versatility by allowing for designers to connect their alternative of N-channel MOSFETs or Sensible Electrical power products to regulate supplemental high-powered loads. The drivers integrate lively recirculation that minimizes power dissipation. protection for that exterior ability products is usually built-in, together with drain-source present-day monitoring and off-state fault detection.In addition, the L99UDL01 has two power-saving modes together with a 50 standby method prepared for re-activation by an SpI command through the BCM and rest method that cuts down current to down below 15.

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14/05/2020 10:09