Datasheet > SGM40560

SGM40560

更新时间： 2024-11-19 11:08:19

品牌	Logo	应用领域
圣邦微 - SGMICRO		电池无线
页数	文件大小	规格书
18页	792K
描述
Small Capacity Compact Battery Charger for Loosely Coupled Wireless Charging/Solar Charging

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SGM40560 数据手册

SGM40560

Small Capacity Compact Battery Charger for

Loosely Coupled Wireless Charging/Solar Charging

GENERAL DESCRIPTION

FEATURES

The SGM40560 is designed for the monolithic circuit

with high-precision linear constant-current, and

constant-voltage charging, which is specifically for

small capacity Li-Ion/polymer Li-Ion secondary battery.

It can complete the whole processes of pre-charge,

fast-charge, trickle floating charge, voltage fold-back

holding, resistive voltage drop compensation and

recharge stand-alone. The maximum charge voltage is

fixed with five options:

● Stand-Alone Working of Complete Processes for

Single-Cell Battery Charging

● Suitable for Li-Ion Phosphate Battery/

Li-Ion/Polymer Li-Ion/Lithium Titanate/

Nickel-Metal Hydride Secondary Battery and

EDLC Capacitor Charging

● Optional Maximum Charge Voltage:

3.65V to 5.5V

● High Accuracy Safe and Fast Charging

● 4% Output Voltage Fold-Back Holding Function

● Works with Loose Coupling Coil

● Works with Solar Batteries

● Saturated Conduction Charging

● Automatic Thermal Current Limit

● Power Saving Indication Mode

● Available in Green TDFN-2×2-6AL and SOIC-8

(Exposed Pad) Packages

SGM40560-3.65 corresponds to 3.65V/3.709V/4.547V

SGM40560-4.05 corresponds to 4.05V/4.108V/5.045V

SGM40560-4.2 corresponds to 4.2V/4.257V/5.235V

SGM40560-4.3 corresponds to 4.3V/4.356V/5.363V

SGM40560-4.4 corresponds to 4.4V/4.466V/5.484V

The charge current is set with the external resistor. The

slow blinking LED indicates charging in progress and

the continuous shining LED within a certain time

indicates charging completion, which can be charged

even with weak energy. It can operate with

constant-voltage power supply, additionally, depending

on its features and control structure. It can charge for

the loose coupling coil with large voltage fluctuations

and it also works for the solar batteries with reverse

current. Therefore, it can provide flexible power supply

options for wearable devices and mini portable devices.

It has the voltage fold-back holding function and

thermal current limit function so that the external power

source can be used to supply power to the load for a

long time safely and stably.

APPLICATIONS

Bluetooth Headsets, Bluetooth Mouses

Wireless Thermometers, Wireless Oximeters, Wireless

Pulsimeters

Active Keys, Active Beacons

Photovoltaic Storage Maintenance, Hub Dynamo

Storage Maintenance

The SGM40560 is available in Green TDFN-2×2-6AL

and SOIC-8 (Exposed Pad) packages and is rated over

the -40℃ to +125℃ temperature range.

TYPICAL APPLICATION

BAT

VIN

Power

Input

^IREFSGM40560

Load

R_IREF

nCHG

GND

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

OCTOBER 2022 – REV. A

12 3 4 5 6 7...18

中文翻译

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