Description:The ISL9238 is a buck-boost Narrow Output Voltage DC (NVDC) charger. The ISL9238 provides the NVDC charging, system bus regulation and protection features for tablet, Ultrabook, notebook, power bank, and any USB-C interface platform. The advanced Renesas R3™ Technology provides high light-load efficiency and fast transient response. In Charging mode, the ISL9238 takes input power from a wide range of DC power sources (such as conventional AC/DC charger adapters, USB PD ports, and travel adapters) and safely
Renesas provides a recommended PCB layout guide in the application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
Renesas provides a component selection guide in the datasheet, which includes formulas and guidelines for selecting the correct inductor, capacitors, and resistors based on the specific application requirements and operating conditions.
The ISL9238IRTZ-T has an operating temperature range of -40°C to +105°C. The device's performance may degrade at higher temperatures, and the maximum ambient temperature range should be considered when designing the system to ensure reliable operation.
The ISL9238IRTZ-T has built-in overcurrent protection and short-circuit protection features. The device can be configured to detect overcurrent and short-circuit conditions, and the output can be shut down to prevent damage. The datasheet provides more information on how to implement these features.
The recommended input voltage range for the ISL9238IRTZ-T is 2.7V to 5.5V. Operating the device outside of this range may affect its performance, efficiency, and reliability. The datasheet provides more information on the input voltage range and its effects on the device's performance.
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ISL9238IRTZ-T Overview
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