A6841SLWTR-20-T Integrated Circuits (ICs)

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A6841SLWTR-20-T is a Power Management IC (PMIC) of the Power Distribution and Load Drivers series. It is a high-efficiency, multi-channel integrated MOSFET driver optimized for automotive applications. Designed to provide ultra-low noise and high performance, it has integrated safety features that protect against faults arising from overload, under-voltage and short circuits.

Application Field

A6841SLWTR-20-T is suitable for a wide range of automotive applications such as vehicle lighting, infotainment and control modules, powertrain systems and other related environments. It is particularly applicable in DC-DC converter topologies, providing a low on-resistance, low output voltage drop and low switching noise. It can also be used in active battery management, multi-rail power architectures and auxiliary power supply systems.

Working Principle

A6841SLWTR-20-T works with an integrated high-side switch and two low-side switches. It can be used in a wide range of power supply architectures and can provide up to 8A of output current. The main feature of this PMIC is its ability to suppress switching noise while still delivering excellent performance. This is achieved by employing a patented noise cancellation technique which adjusts the duration of the off-time based on the inputs from either the high-side or low-side of the MOSFET. As a result, the noise produced is significantly reduced.

The device also has integrated overcurrent protection, which protects the system against overcurrent faults and helps extend the life of the application. Additionally, it includes an under voltage lockout and a variable current limit protection circuit, which helps protect the system from voltage spikes and overload conditions. This high-efficiency PMIC also features programmable rise and fall times and a low harmonic distortion.

Conclusion

A6841SLWTR-20-T is a Power Management IC designed to provide high performance, low noise and reliable operation in automotive applications. It integrates two MOSFETs with integrated overcurrent protection and variable current limit protection, along with patented switching noise cancellation techniques to reduce switching noise. It also features programmable rise and fall times and low harmonic distortion, making it an ideal choice for a wide range of automotive systems.

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