Texas Instruments TPS62849DLCR

Mfr. Part

TPS62849DLCR

Manufacturer

Luminary Micro Texas Instruments. Y-IC is a quality distributor for TI and we are committed to delivering the best genuine products and professional service to every customer

Detailed Description

Ultra low IQ synchronous buck converter, fixed 3.4 V output. Wide input range 1.8 V to 6.5 V. Up to 750 mA continuous output current. High switching frequency 1.8 MHz for small inductors and capacitors. Compact 8-VSON-HR package 2.0 mm x 1.5 mm for dense designs. Ideal for battery-powered systems needing very low standby current and high efficiency across load

Key Features

Fixed 3.4 V regulated output, positive configuration

Input voltage 1.8 V to 6.5 V

Output current up to 750 mA

High efficiency synchronous rectification

Switching frequency 1.8 MHz for small solution size

Ultra low quiescent current for long battery life

Single output, step-down topology

Wide junction temperature range -40 C to 125 C

Surface-mount 8-VSON-HR package for low profile designs

RoHS3 compliant

Key Advantages

Extends battery life thanks to ultra low IQ at light load and standby

Small total solution size from high frequency and compact package

Clean output and low ripple with synchronous design

Strong transient response for dynamic loads

Simple design-in with fixed 3.4 V output and minimal external parts

Thermally efficient package supports sustained 750 mA without large heatsinks

Packaging

Shipment format Tape and Reel TR for automated assembly

Package case 8-VSON-HR 2.0 mm x 1.5 mm and 8-VFDFN family footprint per TI

Mounting type Surface Mount SMT

Pin count 8 leads typical pins include VIN SW GND EN MODE or SYNC sense or feedback and status. Refer to datasheet for exact pin map

Mechanical profile Ultra low height for tight enclosures

Thermal characteristics Thermally enhanced leadless VSON-HR design for low thermal resistance and efficient heat spreading in PCB. Operates -40 C to 125 C junction

Electrical properties Step-down function fixed 3.4 V output 1.8 to 6.5 V input 750 mA output current 1.8 MHz switching frequency synchronous rectifier enabled positive output configuration

Environmental RoHS3 compliant lead-free

Lifecycle

Current production status Generally active at TI and not near discontinuation based on latest market data

Drop-in or close alternatives within the family For different fixed outputs or features consider TPS62840 adjustable output versions TPS62841 TPS62842 TPS62843 TPS62844 TPS62845 TPS62846 TPS62847 TPS62848 depending on required fixed voltage current and options

Higher current alternative TPS62850 family approximately 1 A class if more current is needed

Lower power legacy options TPS62740 family for ultra low IQ at lower current levels

Compatibility note Always verify pinout functionality and electrical limits in the datasheet before substituting

If you need a specific equivalent not listed please contact our sales team via the Y-IC website for tailored cross-references and the latest lifecycle updates

Key Application Areas

Battery-powered IoT nodes sensors and meters

Asset trackers wearables and health devices

Smart locks smart home and building automation

Industrial sensors and wireless modules

Portable instruments handheld terminals and scanners

Bias supplies for MCUs FPGAs radios and transceivers up to 3.4 V rail

Datasheet

Y-IC hosts the most authoritative and up-to-date datasheet for TPS62849DLCR. We recommend downloading the datasheet from this page to get exact pinout electrical characteristics application notes and PCB layout guidance

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