MAX20343BEWE+ Analog Devices Integrated Circuit (BGA) In Stock

Name: MAX20343BEWE+
Brand: Analog Devices
SKU: MAX20343BEWE+
Availability: InStock

Analog Devices MAX20343BEWE+ is an ultra-low quiescent current, low-noise 3.5W buck-boost regulator supporting 1.9V to 5.5V input and up to 1A output current in a 16-ball WLCSP package. Ideal for wearables and IoT devices. Available from stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MAX20343BEWE+BGA

Quick Facts

Manufacturer: Analog Devices
Package: BGA
Pin Count: 16
Lifecycle: ACTIVE
Datasheet: MAX20343BEWE+ Datasheet PDF
Category: Integrated Circuit
Price: From $1.5210(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MAX20343BEWE+?

Ultra-low quiescent current operation extending battery life in wearable and IoT applications
Wide 1.9V to 5.5V input voltage range covering single-cell Li-ion and alkaline battery supplies
Compact 16-ball WLCSP package enabling miniaturized designs with up to 1A output current

What is MAX20343BEWE+ used for?

The MAX20343BEWE+ is designed for battery-powered wearables, fitness trackers, and IoT sensor nodes where minimizing quiescent current is critical to maximizing battery runtime. Its buck-boost topology maintains a regulated output across the full 1.9V to 5.5V input range, making it ideal for single-cell Li-ion applications that experience wide voltage swings during charge and discharge cycles.

What are the specifications of MAX20343BEWE+?

Manufacturer Package Code	16-WLCSP-N/A
Date Of Intro	2019-10-08
YTEOL	9
Analog IC - Other Type	SWITCHING REGULATOR
Input Voltage-Max	5.5V
Input Voltage-Min	1.9V
Input Voltage-Nom	3.7V
JESD-30 Code	R-XBGA-B16
Number of Functions	1
Output Current-Max	1A
Output Voltage-Max	5.5V
Output Voltage-Min	2.5V
Package Body Material	UNSPECIFIED
Package Equivalence Code	BGA16,4X4,16
Package Shape	RECTANGULAR
Package Style	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)	260
Surface Mount	YES
Switcher Configuration	BUCK-BOOST
Terminal Finish	Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni)
Terminal Form	BALL
Terminal Pitch	0.4mm
Terminal Position	BOTTOM
Time@Peak Reflow Temperature-Max (s)	30
Package	BGA

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60
Country of Origin	Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

Where can I find the MAX20343BEWE+ datasheet?

MAX20343BEWE+ Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for MAX20343BEWE+?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What input voltage range does the MAX20343BEWE+ support, and what battery chemistries is it compatible with?

The MAX20343BEWE+ accepts an input voltage range of 1.9V to 5.5V with a nominal input of 3.7V, making it directly compatible with single-cell lithium-ion and lithium-polymer batteries as well as USB 5V supplies, covering the full discharge curve without dropout issues.

How does the MAX20343BEWE+ minimize power loss in wearable designs running at low load currents?

The device features ultra-low quiescent current, which significantly reduces idle power draw when output current demand is below typical operating levels. Combined with its 3.5W total power capability and 1A maximum output current, it maintains high efficiency across the 1.9V to 5.5V input range for wearable IoT hardware.

What package does the MAX20343BEWE+ use, and how does it benefit space-constrained PCB layouts?

The MAX20343BEWE+ is housed in a 16-ball WLCSP (Wafer-Level Chip Scale Package), one of the smallest package forms available, occupying minimal board area. This ultra-compact footprint suits smartwatch and fitness band designs where PCB space is measured in square millimeters and every 0.1mm² matters.

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About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.

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AvailabilityIn Stock

Reference Price (USD)

From $1.5210

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$3.8025	$3.80
106+	$1.6478	$174.67
304+	$1.5210	$462.38

pcs

Unit price: $3.8025 · Total: $3.80

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MAX20343BEWE+ Analog Devices Integrated Circuit (BGA) In Stock

What are the key features of MAX20343BEWE+?

What is MAX20343BEWE+ used for?

What are the specifications of MAX20343BEWE+?

Compliance & Regulatory

Where can I find the MAX20343BEWE+ datasheet?

What are equivalent replacements for MAX20343BEWE+?

Frequently Asked Questions

What input voltage range does the MAX20343BEWE+ support, and what battery chemistries is it compatible with?

How does the MAX20343BEWE+ minimize power loss in wearable designs running at low load currents?

What package does the MAX20343BEWE+ use, and how does it benefit space-constrained PCB layouts?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Analog Devices

More from Analog Devices

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