ISL88736HRTZ

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The ISL88736HRTZ is a member of the Intersil family of PMIC Battery Chargers. The device is designed to provide an efficient, safe, and accurate charging solution for Li-Ion and Li-Polymer batteries commonly used in mobile devices such as portable electronics, Internet of Things (IoT) devices, and wearable technology. The device is designed with a wide input voltage range to allow for maximum flexibility and is Hot Plug detect enabled to provide the protection needed to ensure safe and reliable operation. The device is capable of delivering up to 3A of charge current and is programmed to support standard, trickle, and fast charging profiles.

The ISL88736HRTZ is an ultra-low quiescent current, high efficiency, intelligent Li-Ion battery charger integrated circuit. It is intended for applications where high charge accuracy and safety are required. The device is designed to support nominal and fast charge rates, with temperature monitored fast charge for additional safety and longer battery life. A programmable charge algorithm allows for support of various charging profiles including single cell Lithium Ion/Lithium Polymer.

The ISL88736HRTZ operates over a wide input voltage range of 3.2V to 16V and is Hot Plug detect enabled. The device uses a low quiescent current of 15uA in stand-by mode associated with the current sink functionality, making it ideal for always-on applications. The device is designed to provide maximum power efficiency, with a peak efficiency level of up to 95%.

The ISL88736HRTZ is designed to provide the accuracy, safety, and protection required for Li-Ion battery and cell charging. The device provides a fast charge mode with over voltage protection, which monitors the battery’s temperature during charging, automatically adjusting the charge current based on the temperature for enhanced safety and longer battery life. A built-in safety timer provides additional protection against over-charge. Furthermore, the device includes two-stage charging, automatic recharge, and a charge fault detection scheme, ensuring battery life protection.

The ISL88736HRTZ implements Hot Plug detect, which allows for easy plug and play applications without powering off the system. The device supports bi-directional operation, so it can be used for both charging and discharging of the battery. The device supports various battery chemistry, including Li-Ion/Li-Polymer, and has a programmable charge current up to 3A.

Overall, the ISL88736HRTZ is a high-performance, Li-Ion battery charger, designed to provide an efficient, safe, and accurate charging solution for Li-Ion and Li-Polymer battery packs used in portable electronics, IoT devices, and wearable technology. With its wide input voltage range, peak efficiency of up to 95%, low quiescent current of 15uA, and various safety features, the device is ideal for battery-powered applications requiring reliable and safe charging.

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