Datasheet > MAX8903E

MAX8903E

更新时间： 2024-11-10 02:51:03

品牌	Logo	应用领域
美信 - MAXIM		电池
页数	文件大小	规格书
13页	343K
描述
Instant OnâWorks with No Battery or Low Battery

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中文翻译

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数据手册

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MAX8903E 数据手册

19-4413; Rev 2; 10/10

MAX8903A Evaluation Kit

vluates:–E/MAX8903Y

General Description

Features

The MAX8903A evaluation kit (EV kit) is a fully assem-

bled and tested circuit board for evaluating the 2A, 1-cell

Li+ DC-DC battery charger. The EV kit charges a sin-

gle-cell lithium-ion (Li+) battery from a DC input (AC

adaptor) or a USB 100mA/500mA source and provides

system power from the DC input, USB input, or battery.

Battery charge current and SYS current limit are inde-

pendently set. Charge current and DC converter output

current limit can be set up to 2A, respectively. The USB

input current can be set to 100mA or 500mA and USB

suspend mode is also supported. Power not used by

the system is available to charge the battery.

♦ DC-DC Converter Output Current-Limit

Adjustment Range of 0.5A to 2A (EV Kit Standard

Configuration: 2A)

♦ Battery Charger Current-Limit Adjustment Range

of 0.5A to 2A (EV Kit Standard Configuration: 1A)

♦ USB Current Limit of 100mA or 500mA

♦ Efficient 4MHz Switching DC-DC Converter

Powers System Load and Charger

♦ Instant On—Works with No Battery or Low

Battery

The EV kit comes standard with the MAX8903A

installed. However, the EV kit can also be used to evalu-

ate the MAX8903B–MAX8903E and MAX8903Y by

replacing the MAX8903A (U1) with the preferred IC.

♦ 28-Pin, 4mm x 4mm Thin QFN Package with

Exposed Pad

♦ Fully Assembled and Tested

Ordering Information

PART

TYPE

MAX8903AEVKIT+

EV Kit

+Denotes lead(Pb)-free and RoHS compliant

Component List

DESIGNATION QTY

DESCRIPTION

2.2μF 10%, 16V X5R ceramic

capacitor (0805)

TDK C2012X7R1C225K or

equivalent

4.7μF 10%, 25V X5R ceramic

capacitor (0805)

Murata GRM21BR61E475KA12L or

equivalent

10μF 10%, 10V X5R ceramic

capacitors (0805)

Taiyo Yuden LMK212BJ106KG or

equivalent

C3A, C4

C5, C7

0.1μF 10%, 10V X7R ceramic

capacitors (0402)

TDK C1005X5R1A104K or

equivalent

2.2μF 10%, 6.3V X5R ceramic

capacitor (0603)

Taiyo Yuden LMK107BJ225MA or

equivalent

Figure 1. MAX8903A EV Kit Photo

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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与MAX8903E相关器件

型号	品牌	获取价格	描述	数据表
MAX8903EETI	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power Thermistor Monitor
MAX8903EETI+T	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power
MAX8903EETIT	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power Thermistor Monitor
MAX8903G	ADI	获取价格	2A 1节Li+电池DC-DC充电器，用于USB和适配器供电系统
MAX8903GETI	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power Thermistor Monitor
MAX8903GETI+T	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power
MAX8903GETIT	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power Thermistor Monitor
MAX8903H	ADI	获取价格	2A 1节Li+电池DC-DC充电器，用于USB和适配器供电系统
MAX8903HETI	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power Thermistor Monitor
MAX8903HETI+T	MAXIM	获取价格	2A 1-Cell Li DC-DC Chargers for USB and Adapter Power

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