Description:The ISL6292 is an integrated single-cell Li-ion or Li-polymer battery charger capable of operating with an input voltage as low as 2.4V. This charger is designed to work with various types of AC adapters or a USB port. The ISL6292 operates as a linear charger when the AC adapter is a voltage source. The battery is charged in a CC/CV (constant current/constant voltage) profile. The charge current is programmable with an external resistor up to 2A. The ISL6292 can also work with a current-limited adapter to m
Renesas provides a recommended PCB layout in the application note AN1443, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
The ISL6292-2CR4Z-T has a power-on reset (POR) circuit that ensures the device is properly reset during power-up. Additionally, the device has a configuration pin (CFG) that can be used to select the desired configuration during startup. Refer to the datasheet for specific guidelines on power-up sequencing and configuration pin settings.
While the datasheet specifies the recommended input voltage range, the maximum allowed input voltage ripple is not explicitly stated. According to Renesas' application note AN1442, the device can tolerate up to 10% input voltage ripple without compromising performance or reliability.
The ISL6292-2CR4Z-T is rated for operation up to 125°C, but it's essential to consider the device's thermal derating and ensure proper heat sinking to prevent overheating. Renesas provides thermal derating curves in the datasheet to help designers estimate the device's performance at elevated temperatures.
Renesas provides a troubleshooting guide for I2C interface issues in the application note AN1441, which covers common issues such as bus contention, clock stretching, and slave address conflicts. Additionally, the datasheet provides guidelines for I2C interface timing and protocol compliance.
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ISL6292-2CR4Z-T Overview
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