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TPS923654 Datasheet Boost / Buck-boost Led Driver

Manufacturer: Texas Instruments

Overview: TPS923652, TPS923653, TPS923654, TPS923655 SLVSGH1A – APRIL 2023 – REVISED SEPTEMBER 2023 TPS92365x 65-V 2-A / 4-A Boost / Buck-Boost LED Driver with Inductive Fast Dimming.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TPS92365x family is a 2-A / 4-A nonsynchronous Boost / Buck-Boost LED driver with 4.5V to 65-V wide input range.

By integrating the lowside NMOS switch, the device is capable of driving LEDs as well as charging batteries with high power density and high efficiency.

The family also supports common cathode connection and single layer PCB design.

Key Features

  • 4.5-V to 65-V wide input range.
  • LED common cathode connection.
  • Integrated 150-mΩ MOSFET with typical 3-A / 6.5- A current limit.
  • Optional switching frequency: 100 kHz to 2.2 MHz.
  • Spread spectrum for TPS923653 and TPS923655.
  • Advanced dimming options:.
  • Analog dimming (256:1).
  • Fast PWM dimming (150-ns pulse width).
  • Hybrid and flexible dimming (2,000:1 at 20-kHz PWM, 10,000:1 at 4-kHz PWM, 1,000,000:1 at 120-Hz PWM).

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