TPS54810PWPG4

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The Texas Instruments TPS54810PWPG4 PMIC, or power management and control device, is a switching regulator control integrated circuit with integrated high-side and low-side MOSFETs and is classified under Voltage Regulators and DC DC Switching Regulators. The device is well-suited for use in applications such as motor control, automotive HVAC systems, renewable energy systems, industrial drives, and multi-output supply conversion.

The device integrates a wide input voltage range that supports a range from 6V to 38V and is available in an 8-pin exposed pad package and a 10-land exposed pad package, which allows for a more compact design. It also integrates current-mode control for improved line voltage accuracy, maximum output current limit, pre-bias start-up current measuremen, auto reset, fixed and adjustable frequency operation, volt-per-second soft-start ramp rate control.

The device’s switching frequency is adjustable in a range of 200 kHz up to 2.65 MHz, allowing designers to optimize the converter’s performance with the external components. It also features an enable/shutdown control logic, as well as current limit undervoltage lockout protection.

The device’s working principle is based on the current-mode architecture, which is commonly used in DC-DC switching regulators. This architecture uses power MOSFETs to switch the output voltage on and off. The output current is continuously measured and compared to a reference current, and the control loop adjusts the duty cycle accordingly in order to maintain the system’s stability. The device also integrates a frequency compensation circuit that ensures low-noise operation and fast-transient response.

The device’s maximum output current is limited by the user-specified current limit. It also integrates a power-good indicator and adjustable soft-start circuitry, ensuring clean power supply startup and quick-response shutdown. Moreover, the device supports advanced non-dissipative current limiting, a feature that prevents large input current surges during inductor current-limit operation.

The TPS54810PWPG4 is a highly-flexible and cost-effective power management solution that is well-suited for applications requiring power regulation over a wide input voltage range with a low external component count. Its current-mode architecture, adjustable switching frequency, and enhanced features provide designers with an efficient way to design advanced power systems.

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