TPS61158DRVR

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Though PMIC - LED Drivers come in a variety of designs and detailed functions, they all typically include the power management, control and communications driver circuits to enable or effectively manage the power to the driving circuit. The TPS61158DRVR, for example, is an example of such a driver and is used for controlling and managing pulse-width-modulated (PWM) lighting in a variety of applications.

The TPS61158DRVR is a two-switch constant-current LED driver dedicated to controlling boost or SEPIC PWM LED Drivers. It is an integrated circuit that provides high-efficiency, adjustable output current for lighting applications. It is an external current control device that is suitable for low-side high-current LED dimming applications. It features ready-to-use integrated buck converters with the ability to step down high-voltage input supplies up to 42 V unregulated down to efficiently drive LED loads.

The TPS61158DRVR is ideal for LED lighting applications that require variable input voltage level, especially when driving multiple LED strings in parallel. It can be used in a variety of applications, including LED flat panels, LED automotive lighting, backlighting, and gaming displays. Its features further increase its versatility, such as pulse-by-pulse current control, adjustable output currents and peak current limitation.

In terms of its working principle, the TPS61158DRVR is based on a two switch PWM LED driver regulator and uses an external resistor to determine the LED current. It contains two independent N-MOSFETs operating in pulse frequency modulation (PFM) and two integrated control loops providing optimized current control and dimming control accuracy. PFM improves the efficiency of the driver by allowing the use of a larger sense resistor for slower response.In addition, the dynamics of the PWM LED driver are further improved by its high switching frequency, providing smoother output current and reduced EMI. The TPS61158DRVR can operate over a wide input voltage range of 4.5V to 42V, and its output current can be easily adjusted to a desired level via an external resistor. This allows the driver to be used in various lighting applications.

The TPS61158DRVR is designed with a wide range of features to ensure optimum performance and safety including short circuit protection, thermal overload protection, and open loop protection. The wide input voltage also makes it suitable for a variety of applications. In addition, it also offers important features such as open loop protection, which ensures that the output is switched off when an output fault is detected. Finally, it has an integrated low dropout voltage regulator which provides the necessary voltage for the gate driver.

Overall, the TPS61158DRVR is an excellent choice for LED lighting applications. Its wide input voltage range and efficient current control, as well as its robust design make it a suitable driver for a variety of applications. Its two switch PWM LED driver is also efficient and accurate, providing a smoother output current and reduced EMI. With its comprehensive protection features, it ensures safe and reliable operation while consuming little power.

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