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The LP875761ARNFRQ1 device is designed to meet the power management requirements of new processors and platforms in a variety of automotive power applications. The device consists of four step-down DC/DC converter cores configured as four-phase outputs with forced PWM mode. The device is controlled by an I2C compatible serial interface and enable signals.

The LP875761ARNFRQ1 supports remote differential voltage sensing of the multi-phase outputs to compensate for the IR voltage drop between the regulator output and the point-of-load (POL) to improve output voltage accuracy. The switching clock can be forced into PWM mode and synchronised to an external clock for greater interference reduction.

The LP875761ARNFRQ1 device supports load current measurement without the need for an external current sense resistor. The device also supports programmable startup and shutdown delays and sequences synchronised with the enable signal. These sequences may also include GPIO signals to control external regulators, load switches, and processor reset. During startup, the device controls the output slew rate to minimise output voltage overshoot and inrush current.

Features

- Automotive Compliance

- The following features are compliant with AEC-Q100:

- Device Temperature Class 1: -40°C to +125°C ambient operating temperature range

- Device HBM ESD Classification 2

- Device CDM ESD Classification C4B

- Input voltage: 2.8V to 5.5V

- Output Voltage: 1.0V

- Four high-efficiency step-down DC/DC converter cores:

- Maximum output current: 16A (4 A/phase)

- Switching frequency: 3MHz

- Spread spectrum mode and phase interleaving

- Configurable General Purpose I/O (GPIO)

- I2C-compatible interface supporting standard (100kHz), fast (400kHz), fast+ (1MHz), and high speed (3.4MHz) modes

- Interrupt function with programmable mask

- Programmable power-good signal (PGOOD)

- Output short circuit and overload protection

- Over-temperature warning and protection

- Overvoltage protection (OVP) and undervoltage lockout (UVLO)

Applications

- Automotive Infotainment Systems

- Instrument clusters

- Radar

- Camera Power Applications

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.