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The TPS92690Q1PWP/NOPB device is a high voltage, low side N-channel field effect transistor (NFET) controller with adjustable output current sense resistor voltage. Ideal for LED drivers, it contains all the features required to implement current regulators based on boost, SEPIC, flyback and CuK topologies.

Output current regulation is based on peak current mode control monitored by a control loop. This approach simplifies the design of loop compensation while providing inherent input voltage feed-forward compensation. The device includes a high-voltage start-up regulator that operates over a wide input range of 4.5 V to 75 V. The PWM controller is designed for high-speed performance, with an oscillator frequency range of up to 2 MHz. The TPS92690Q1PWP/NOPB devices feature error amplifiers, precision references, cycle-by-cycle current limiting, and thermal shutdown.

Features

The TPS9260-Q1 is an automotive-grade product that meets AEC-Q100 Level 1 standards.

Input voltage range of 4.5V to 75V

Adjustable current sense (50mV to 500mV)

Low side current sense

2Ω metal oxide semiconductor field effect transistor (MOSFET) gate driver

Input undervoltage protection

Output Overvoltage Protection

Cycle-by-cycle current limit

Pulse Width Modulation (PWM) Dimming Inputs

Programmable oscillator frequency

External Sync Function

Ramp Compensation

Programmable soft-start Function

16-pin heat sink thin small form factor (HTSSOP) (PWP) exposed pad package

Applications

LED Drivers

Constant Current Regulators: Boost, Cuk, Flyback and Single-Ended Primary Inductor Converter (SEPIC)

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