HM5904 datasheet(1/15 Pages) HMSEMI

Teilenummer	HM5904

Bauteilbeschribung	Power Bank IC with 1A Linear Charger and 30V Boost L ED Driver

PDF	15 Pages

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Hersteller	HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]

Direct Link	http://www.hmsemi.com/

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Power Bank IC with 1A Linear Charger and

30V Boost LED Driver

General Description

The HM5904 is a highly integrated Power Bank IC with a Linear Li-Ion Charger up to 1A charge

current and steep-up converter dseigned for driving up to 27 white LEDs (9 strings of 3 LEDs each)

With few external components, the HM5904 could enable Charger and LED

driver and is well suited for portable power bank applications.

Features



Up to 1A Programmable Battery Charging Current



Automatic Recharge



Very Low Shutdown-Mode IBAT Current



Up to 92% Boost Conversion Efficiency



Thermal Protection

Applications



Portable Power Bank Applications

Drives up to 27 White LEDs

from a 4.2V system rail.



Constant-Current/Constant-Voltage operation with thermal regulation to maximize Rate Without risk

of overheating



Preset 4.2V charge vltage with ±1% accuracy



C/10 charge termination



2.8V trickle current charge threshold



Over 1.2MHZ Fixed Switching Frequency



Low 250mV Feedback Voltage



Soft-Start/PWM Dimming



Internal 1.6A Current Limit



Available in SOP8-PP package

Ähnliche Beschreibung - HM5904

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HM5904 Datenblatt(PDF) 1 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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