TPS4816-Q1 is an automotive-qualified high-side switch controller from Texas Instruments designed for intelligent power distribution, battery management, DC/DC converter protection, and automotive power systems. Supporting operating voltages from 3.5 V to 95 V (100 V absolute maximum), the device drives external N-channel MOSFETs and provides advanced protection, diagnostics, and bidirectional current monitoring. Integrated features include overcurrent protection with programmable circuit breaker timer (I²t), fast short-circuit protection, undervoltage and overvoltage protection, reverse polarity protection down to -60 V, gate pre-charge circuitry for capacitive loads, temperature monitoring, and fault diagnostics. The controller is optimized for 12 V, 24 V, and 48 V automotive architectures, offering low standby current, high reliability, and robust protection for power distribution and battery-connected systems.
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