TPS55160QPWPRQ1

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Texas Instruments' TPS55160QPWPRQ1 is a non-synchronous buck converter with typical power conversion efficiencies of up to 93%. It is a dual-channel, low input voltage, low component count, low power, highly efficient step-down regulator designed for telecom, distributed power systems, and server applications. It integrates two advanced THand two ultra-low standby quiescent operating current.

The TPS55160QPWPRQ1 is a multi-phase, synchronous buck converter that can deliver up to 6A of current per channel in applications with an input voltage range of 5V – 23V. It has an output voltage range of 0.6V to VIN and an output current of up to 6A per channel. It also includes high-efficiency control, soft-start control, and high-switching frequency buck control features. The device features an internal synchronous rectifier and a fast, accurate PFM control loop for superior dynamic performance. It has an adjustable operating frequency from 200kHz to 1.0MHz and can support asynchronous burst-mode operation to reduce input ripple current.

The TPS55160QPWPRQ1 is ideal for applications requiring low quiescent current and high efficiency, such as distributed power systems, telecommunications, servers, and datacenters. It is designed for high-frequency operation and supports up to 6A output current. The device is capable of providing up to 93% power conversion efficiency with a wide input voltage range from 5V – 23V.

The TPS55160QPWPRQ1 device provides a feature-rich buck regulator that combines high power conversion efficiency with low radiant noise and low external component count. The device features a synchronization capability, a programmable soft-start capability, and the ability to dynamically adjust the switching frequency, allowing the system designer to optimize performance with minimal external components. The device operates in either continuous conduction mode (CCM) or discontinuous conduction mode (DCM), and includes several protections, such as short circuit protection, thermal shutdown, peak current limit, and pre-limit protection.

The working principle of the TPS55160QPWPRQ1 is that it uses a pulse width modulation (PWM) control scheme to regulate the output voltage. When the input voltage goes higher than the output voltage, the device stops switching, and the output voltage is held at a constant level. When the input voltage goes lower than the set output voltage, the device starts to switch, and the output voltage is adjusted to the required level. The device also supports asynchronous burst-mode operation in which the switching frequency is varied to optimize efficiency for a certain load condition. This mode allows for a lower input ripple current and improved efficiency compared to PFM (pulse frequency modulation) operation.

In summary, the TPS55160QPWPRQ1 is a high-power, highly efficient, dual-channel, regulated step-down switching regulator that can provide up to 6A of current per channel with an input voltage range of 5V – 23V. It features an internal synchronous rectifier, fast, accurate PFM control loop, and programmable soft-start capability allowing the designer to optimize performance with minimal external components. It has an adjustable operating frequency up to 1.0MHz and supports asynchronous burst-mode operation for low input ripple current and improved efficiency. This device is the ideal choice for distributed power systems, server, and datacenter applications.

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