TPS70918DRVR

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The TPS70918DRVR refers to an integrated low-dropout linear regulator device intended for use in portable electronic equipment. It has a wide range of application fields related to power management, such as being integrated in batteries used in mobile phones and other portable electronic devices. The TPS70918DRVR also enables various system manufacturers to develop products with minimized size and weight.

The TPS70918DRVR power management integrated circuit is designed for applications requiring higher efficiency and stability. It has a specified adjustable output voltage up to 1.7V. With its 2.5 to 5.5V input voltage range, the TPS70918DRVR serves as a mid-range solution for on-board power regulation. It supports a wide range of input and output currents up to 1A, making it ideal for a large range of power management applications. The associated operating temperature range of -40°C to +85°C makes it suitable for wide operating temperature range.

The TPS70918DRVR power management IC optimizes efficiency, extends battery life, and reduces board space and cost. It features a fixed output voltage mode along with an adjustable output voltage mode, runs in drop-out (DO) mode with low drop-out voltage of typically 90mV at full current load, and has a power-good (PG) indicator to keep system voltage under control. The device comes with integrated thermal shutdown protection (TSD) for its safe operation and supports enable (EN) and power-current-imbalance (PCI) functionality.

The TPS70918DRVR device includes a power MOS WDN transistor and a high-side current sensor to enable current regulation. It also integrates protective features such as over-current protection (OCP), over-voltage protection (OVP), under-voltage lockout (UVLO), and reverse current protection (RCP). These features ensure that the device operates safely in regulated applications with zero standby current.

The TPS70918DRVR works on two principal principles. The first works when the voltage difference between the input voltage and output voltage (Vin - Vout) is larger than the drop-out voltage of the device. When this is the case, the device switches on the pass transistor, allowing current to flow from the input to the output. The second principle works when the input voltage relative to the output voltage is less than the drop-out voltage. In this case, the device shuts down and does not allow any current to flow from the input to the output. This is the main working principle of the TPS70918DRVR linear voltage regulator.

The TPS70918DRVR is an ideal choice for power management applications that require higher efficiency and stability for mid-range on-board power regulation. With its wide range of input and output current levels, as well as integrated protective features, it is also suitable for applications operating at wide operating temperatures. Overall, the TPS70918DRVR power management IC is a cost-effective, compact solution for providing high efficiency, stability and reliability.

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