ISL91301BIIZ-T

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ISL91301BIIZ-T is an integrated circuit (IC) housed in a tiny MSOP package. The circuit is designed to provide an ultra-low power source and battery for a range of applications that need reliable power over temperature and voltage variations. It includes internal switched-capacitor voltage conversion, current-limiting, and LED protection for extended battery life and improved system performance.

ISL91301BIIZ-T can provide up to 1A of continuous output current from an input voltage range of 0.8V to 5.5V, and can maintain standby currents lower than 5 ??A when the output is disabled. It supports an input voltage range of -0.2V to +6V, making it suitable for a wide range of automotive systems, such as engine ECUs, HV/EV battery management systems, motor control applications, powertrains, and vehicle electronics. For improved thermal performance, the IC is packaged in an MSOP-10 package.

ISL91301BIIZ-T’s operating and protection features make it suitable for automotive use. It supports a wide array of automotive protocols, such as CAN, LIN, and SPI, allowing it to communicate with other automotive components in a vehicles. Furthermore, the circuit combines two power MOSFETs and a current-limiting circuit, minimizing battery wear and extending the battery life. In addition, it also comes with an LED protection circuit, preventing reverse current flow in case the LED load is disconnected during operation. Technical features such as adjustable shutdown, input voltage lockout, and short-circuit protection further improve the reliability and safety of the system.

ISL91301BIIZ-T achieves its power efficiency by utilizing a unique switched-capacitor voltage conversion technology. This integrated circuit combines a low-noise pre-regulated buck converter with a step-up regulator to produce a smooth, low-ripple output. This helps minimize output voltage ripple, which can cause undesirable effects in sensitive electronic devices. Additionally, the integrated synchronous rectifier helps reduce the number of external components required, making the IC more compact, smaller, and more cost-efficient than traditional linear power supply circuits.

In summary, ISL91301BIIZ-T is an integrated circuit designed to provide reliable power for automotive applications. It utilizes a switched-capacitor voltage conversion technology to achieve improved efficiency while providing a wide array of protection features. This integrated circuit is capable of providing up to 1A of continuous output current from an input voltage range of 0.8V to 5.5V and the circuit is housed in a tiny MSOP package for improved thermal performance. The combination of its features makes ISL91301BIIZ-T a suitable choice for a wide range of automotive applications.

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