TPS27S100BPWPR

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The Texas Instruments TPS27S100BPWPR device is a high side, independently-controlled low-side NPN power switch. This device is classified as a power management integrated circuit (PMIC) - power distribution switches, load drivers.

The TPS27S100BPWPR provides secure, end-point independent control of power delivery and load protection functions. It is designed to manage power to loads at a device level, instead of direct control of the attached power supplies. This makes it an ideal solution for uses such as advanced system power management or as a security switch for nano- or microcontroller-based systems.

The TPS27S100BPWPR operates from a 2.7V to 13.2V DC input and provides a maximum 30A sinking, 50mA sourcing current. It is an integrated, one-chip power switch with built-in over-voltage and over-current protection, as well as an integrated fault indicator. The control input requires a digital control signal, with a 0 = off, 1 = on logic level. In addition, this device provides a wide range of safety features, including overtemperature, overcurrent and undercurrent detection, as well as current limit and overvoltage protection.

In terms of its applications, the TPS27S100BPWPR is most commonly used in advanced LED lighting systems and control applications, such as those found in professional lighting, medical imaging and automotive applications. It is also widely used in consumer electronics applications, including portable device charging systems and consumer entertainment applications. The TPS27S100BPWPR is also widely used in high power industrial applications, including automotive and industrial power control systems.

The TPS27S100BPWPR is based on a NPN bipolar junction transistor (BJT) topology for its switching structure. It features high-side and low-side switch control. The low-side switch is made up of an open-drain P-channel MOSFET, which requires a digital control signal for activation. The high-side switch is made up of an NPN switch, which is controlled by a dedicated digital control signal. The device is designed to keep the voltage on the output cantered at two volts. This ensures the integrity of the output signal, even when the load is too large.

The TPS27S100BPWPR can operate in both static and dynamic modes of operation. In static mode, the device allows for continuous activation of either the high side or low-side switch, based on the state of the digital control signal. In dynamic mode, the device is designed to allow for user-defined delays between the activation of the high side and low side switch, as well as between the deactivation of the two switches. These delays are typically used to reduce the switching noise generated during switch activation and deactivation.

In terms of working principle, the TPS27S100BPWPR is able to provide an output when a logic control signal is sent to its base. When the control signal is displaced to turn the NPN transistor on, the LED will light up, indicating that the device is active. It is important to note that the current rating of the transistor should be matched with the current requirement of the external device being driven, as exceeding this rating could damage the device. The fault signal pin should also be monitored to detect any overvoltage, overcurrent or overtemperature conditions which can trigger its output.

The TPS27S100BPWPR device is a cost effective solution for sophisticated system power management and system security applications. It features a durable, integrated switching structure and allows for user defined delay times for activation and deactivation. It also features integrated over-voltage, over-current and overtemperature protection, which makes it ideally suited for applications requiring safe and secure power delivery.

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