ISL6123IR

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ISL6123IR is a Power Supply Controllers, Monitors integrated into one single chip. It is designed for applications such as mobile phones, embedded boards and digital signage.

The ISL6123IR consists of a digital power management (PMIC) unit, a pulse-width modulation (PWM) controller, a buck regulator, and a power FET. The PMIC includes a programmable failure timer, an adjustable power on ramp generator and an adjustable over-voltage protection circuit, making it ideal for high-end power supply applications. The pulse-width modulation controller can be used to control the voltage of the buck regulator and the electronic load, while the power FET can be used to control the load current.

The ISL6123IR also offers two digitally adjustable power control outputs for fan control and over-temperature protection, as well as a programmable voltage detector to monitor the output voltage. It has a built-in voltage protection circuit, which can detect input and output overvoltages and undervoltages, as well as reverse-polarity detections, to protect the system from voltage spikes and short-circuiting.

The ISL6123IR also contains a dual-channel buck regulator and has both an adjustable constant current mode and an adjustable constant voltage mode. In constant voltage mode, the converter adjusts the output voltage to maintain a pre-programmed voltage. In the constant current mode, the converter will adjust the output current to maintain a pre-programmed value. This is particularly useful in applications that require precise current control, such as charging mobile phones and tablets.

The ISL6123IR features a wide input voltage range from 4.5V to 18V and a wide output voltage range from 0.8V to 17V. It can also support two different output voltage levels, depending on the mode chosen. It has an adjustable switching frequency of 2MHz to 3MHz, and a high efficiency from 90% to 97%.

In addition, the ISL6123IR includes built-in safety features such as over-temperature protection, over-current protection, over-voltage protection, reverse-polarity protection, and reverse-voltage protection. The device also has built-in diagnostic functions, such as temperature sensing, power cycle counter, power on reset generation, and system reset generation, providing real-time monitoring of system condition.

Overall, the ISL6123IR is an excellent power supply controller/monitor for high-end portable electronics such as cell phones, tablets, and digital signage. With its programmable features, adjustable power control outputs, dual-channel buck regulator and wide input/output voltage ranges, this device can provide both accuracy and reliability. It also offers built-in safety features and diagnostics, making it a great choice for any application that requires precise voltage and current control.

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