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  4. 36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1 (Monolithic Power Systems, Inc.)
36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1-MPQ8875A-AEC1
36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1-Monolithic Power Systems, Inc.

36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ8875A is a 36V, monolithic, synchronous buck-boost DC/DC converter. A wide input voltage range of 2.2V to 36V makes this device ideal for versatile automotive and industrial applications. A fully integrated four-switch configuration with proprietary constant-on-time (COT) control allows the chip to flexibly change the converter topology between buck, boost, and buck-boost modes. This optimizes performance and efficiency when the input voltage is greater than, less than, or equal to the output voltage. It also ensures seamless transitions between adjacent operating areas. The MPQ8875A is independently controlled via a standard I2C interface. You can adjust various parameters by writing settings to the device without changing the hardware. The switching frequency can be set from 200kHz to 1MHz or synchronized from 250kHz to 1MHz via an external clock signal. Additionally, a configurable frequency spread spectrum feature allows the switching frequency to be periodically dithered to improve EMI performance. Robust fault protection includes input undervoltage lockout (UVLO), input overvoltage protection (OVP), cycle-by-cycle peak current limiting, output OVP, output short-circuit protection (SCP), and thermal shutdown. Built-in power good function can indicate whether the output voltage is properly regulated. The MPQ8875A is available in a thermally enhanced QFN-34 (4mm x 5mm) package.

■Features and benefits

・Wide input voltage range from 2.2V to 36V ・Continuous output current up to 5A ・Shutdown current less than 25μA ・180μA quiescent current at VIN = 12V ・Single channel, 4-switch, synchronous buck-boost configuration: ・Internal 10mΩ step-down high-side power MOSFET ・Internal 25mΩ step-down low-side synchronous rectifier ・Internal 10mΩ boost low-side power MOSFET ・Internal 25mΩ step-up high-side synchronous rectifier ・Unique Constant On Time (COT) that realizes seamless transitions ・Internal soft start ・Smart power good output -Easy to optimize efficiency and EMI performance ・Configurable switching frequency from 200kHz to 1MHz

  • Product

    36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1

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1 Models of 36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1

Image Part Number Price (excluding tax) Iq (typ) (mA) Special Features Vfb (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
36V, 5A, 4-switch, synchronous buck-boost converter with I2C interface, AEC-Q100 qualified MPQ8875A-AEC1-Part Number-MPQ8875A-AEC1

MPQ8875A-AEC1

Available upon quote

0.18

Fixed Frequency, I2C Interface, Spread Spectrum

2

1,000

Automotive

QFN-13 (3x4)

36

2.2

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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