STP4CMPQTR Integrated Circuits (ICs)

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STP4CMPQTR is a kind of PMIC (Power Management Integrated Circuit), specifically a LED (Light-Emitting Diode) driver. The STP4CMPQTR provides an efficient, cost-effective way to drive three or four independent LED channels.

The STP4CMPQTR is designed to be used in automotive lighting systems, such as headlights and tail lights, as well as in general purpose LED applications such as street lighting and signage. The STP4CMPQTR’s integrated low EMI (electromagnetic interference) capacitors and inductors allow for efficient control of current, reducing noise and improving system reliability.

The STP4CMPQTR is designed to provide stable and consistent LED current with minimal power dissipation. The device has four independent current fixed points, which can be adjusted through external resistors to obtain the desired LED current. The current resolution is 0.1mA. The device is designed with a “Sleep-mode” feature which reduces the current consumption of the LED driver to 2 μA when the LED channels are not in use.

The STP4CMPQTR has an input voltage range of 3.0V to 16V and an output voltage range of 0 to 6V. The device is also capable of operating in two different modes:1. Pulse-width modulation (PWM) mode: In this mode, the output current is limited by the load impedance, and the current can be adjusted by changing the duty cycle of the PWM signal.2. Linear-mode: In this mode, the output current is controlled by an external resistor. The device provides precise LED current control with a resolution of 0.1mA, allowing for precise and consistent LED lighting.

The device has an integrated protection system and is designed to be fault tolerant. The protection system monitors the temperature, and the output current of the device, and shuts down all outputs if an unsafe condition occurs. The device is designed to be robust, and is designed to be reliable in a wide range of operating conditions, such as high temperatures, high input voltages, and high peak currents.

The STP4CMPQTR is a highly efficient, cost-effective solution for driving three or four independent LED channels in automotive and general-purpose applications. The device offers precise control of current, and integrated protection features, making it a reliable, robust solution for LED lighting applications.

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