TPS6591109A2ZRC

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Power management integrated circuit (PMIC) is an important component of modern portable electronic devices. It is designed to provide controlled power delivery to the different components of a device, thus allowing the device to operate efficiently. Specialized PMICs serve particular functions. Among the various PMICs on the market, the TPS6591109A2ZRC is unique in its field. It is a highly-integrated synchronous step-down converter that supports the resonant-resistance-control (RRC) power supply.

The TPS6591109A2ZRC is specifically tailored for application in the LED backlight lighting source, used in liquid crystal displays. This device applies RRC to obtain a higher frequency of operation in the input-voltage range of 6V to 28V. It achieves maximum power efficiency due to its low-profile inductor and the low-loss power components that it contains.

The TPS6591109A2ZRC Step-Down Converter features a total of seven channels, each of which can deliver up to 9A of continuous output current. The peak current reaches 15A, and its output voltage can be adjusted up to two accurate decimal points. Additionally, this device incorporates current sense resister (CSR) and blend compenator technology to ensure that the output voltage stays regulated and stable over a range of input voltages.

Another advantage of this device is its ability to be controlled via I2C or PWM. This makes it an attractive choice for digital applications. It also features low acoustic noise and low electromagnetic interference (EMI) for added system reliability.

As each LED backlight unit draws substantial current, it is critical to ensure that all LED loads are supplied with enough power for proper operation. The TPS6591109A2ZRC is designed to meet the specific demands of the LED backlight designs, providing the user with the necessary level of load regulation and uptime. Moreover, this device combines a few different power paths—from feedback loop, switch current limiting and over-voltage protection—into a single converter design. In this way, it can safely supply power to its loads without sacrificing efficiency.

In addition, the TPS6591109A2ZRC Step-Down Converter offers user-friendly features such as an LED indicator and various programmable parameters. The LED pin will indicate the operational status and the programmable parameters include voltage setting, enabling/disabling, soft-start and dimming. This makes controlling the device and setting up the power supply simple and straightforward.

The TPS6591109A2ZRC is a highly-integrated power management solution, designed to improve the performance of LED backlights in LCD applications. Its wide 6V – 28V input voltage range, multiple output channels, low-noise operation and programmable features make it the perfect choice for power regulation and management.

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