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  4. Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162 (Monolithic Power Systems, Inc.)
Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162-MP28162
Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162-Monolithic Power Systems, Inc.

Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP28162 is a high efficiency, low quiescent current (quiescent current) buck-boost converter that can operate with an input voltage (VIN) above, below, or the same as the output voltage (VOUT). This IC provides a compact solution for products with single-cell Li-ion or multi-cell alkaline batteries with VOUT within the battery voltage (VBATT) range. Current mode control and fixed pulse width modulation (PWM) frequency provide optimal stability and transient response. A fixed switching frequency (fREQ) of 2MHz and an integrated low on-resistance (RDS (ON) ) MOSFET reduce solution size and maintain high efficiency. To optimize battery life, the MP28162 employs selectable pulse-skipping mode (PSM) to reduce fREQ under light load conditions. For low-noise applications where pulse-skipping mode can cause failures, a high-logic input on the MODE/SYNC pin ensures fixed-frequency PWM mode operation under all load conditions. The MP28162 is available in a small WLCSP-15 (1.3mm x 2.1mm) package.

■Features and benefits

・Minimum start-up input voltage (VIN) of 1.8V ・Operating VIN range from 1.2V to 5.5V ・Output voltage (VOUT) range from 1.5V to 5.5V ・1.5A switching current limit ・2MHz fixed switching frequency (fREQ) or external synchronous rectification fREQ -Selectable pulse-skipping mode (PSM) or pulse-width modulation (PWM) mode ・25μA typical quiescent current (quiescent current) ・Load disconnection during shutdown ・Internal soft start (SS) and compensation ・Short circuit protection (SCP) with hiccup mode ・Overheat protection (OTP) ・Delivered in small WLCSP-15 (1.3mm x 2.1mm) package ・Optimize performance with MPS inductor MPL-AT2010 series

■Available product numbers

・MP28162GC-Z MP28162GC-P ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162

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1 Models of Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162

Image Part Number Price (excluding tax) Iq (typ) (mA) Isw (typ) (A) Vfb (V) Fsw (max) (kHz) Grade Input voltage (max) (V) Input voltage (min) (V)
Buck-Boost Small WLCSP package, high efficiency, synchronous buck-boost converter with built-in 1.5A MOSFET MP28162-Part Number-MP28162

MP28162

Available upon quote

0.025

1.5

0.8

2,300

WLCSP-15 (1.3x2.1)

5.5

1.2

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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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