MAX1758EAI

更新时间： 2024-11-14 22:17:39

品牌	Logo	应用领域
美信 - MAXIM		电源电路电池开关电源管理电路光电二极管
页数	文件大小	规格书
17页	224K
描述
Stand-Alone, Switch-Mode Li Battery Charger with Internal 28V Switch

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MAX1758EAI 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	5.30 MM, 0.65 MM PITCH, SSOP-28	针数：	28
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	5.14	Is Samacsys：	N
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e0
长度：	10.2 mm	湿度敏感等级：	1
信道数量：	1	功能数量：	1
端子数量：	28	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	240
认证状态：	Not Qualified	座面最大高度：	1.99 mm
最大供电电压 (Vsup)：	28 V	最小供电电压 (Vsup)：	6 V
标称供电电压 (Vsup)：	18 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn85Pb15)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	20
宽度：	5.29 mm	Base Number Matches：	1

MAX1758EAI 数据手册

19-1752; Rev 1; 1/01

Stand-Alone, Switch-Mode

Li+ Battery Charger with Internal 28V Switch

General Description

Features

The MAX1758 is a switch-mode lithium-ion (Li+) battery

charger that charges one-to-four cells. It provides a reg-

ulated charging current accurate to 1ꢀ0 and a regu-

lated voltage with only a ꢀ.80 total voltage error at the

battery terminals. The internal high-side switch delivers

a programmable current of up to 1.5A to charge the bat-

tery. The built-in safety timer automatically terminates

charging once the adjustable time limit has been

reached.

ꢀ Stand-Alone Charger for Up to 4 Li+ Batteries

ꢀ ±±0.8 Batterꢀ ꢁegꢂlation ꢃoltage Aꢄꢄꢂraꢄꢀ

ꢀ Low-Dropoꢂt 9.8 Dꢂtꢀ Cꢀꢄle

ꢀ Safelꢀ Preꢄharges Near-Dead Cells

ꢀ Continꢂoꢂs ꢃoltage and Temperatꢂre Monitoring

ꢀ ±01µA Shꢂtdown Batterꢀ Cꢂrrent

ꢀ Inpꢂt ꢃoltage Up to 2.ꢃ

The MAX1758 regulates the voltage set point and

charging current using two loops that work together to

transition smoothly between voltage and current regula-

tion. An additional control loop monitors the total cur-

rent drawn from the input source (charging + system),

and automatically reduces battery-charging current,

preventing overload of the input supply and allowing

the use of a low-cost wall adapter.

ꢀ Up to 105A Programmable Charge Cꢂrrent

ꢀ Safetꢀ Timer Prevents Overꢄharging

ꢀ Inpꢂt Cꢂrrent Limiting

ꢀ Spaꢄe-Saving 2.-Pin SSOP

ꢀ 3±±kHz PWM Osꢄillator ꢁedꢂꢄes Noise

The per-cell battery regulation voltage is set between

4.ꢀV and 4.4V using standard 10 resistors. The num-

ber of cells is set from 1-to-4 by pin strapping. Battery

temperature is monitored by an external thermistor to

prevent charging outside the acceptable temperature

range.

Ordering Information

PAꢁT

TEMP0 ꢁANGE

PIN-PACKAGE

MAX1758EAI

-4ꢀ°C to +85°C

28 SSOP

The MAX1758 is available in a space-saving 28-pin

SSOP package. Use the MAX1758EVKIT to help reduce

design time. For a stand-alone charger with a 14V

switch, refer to the MAX1757 data sheet. For a charger

controller capable of up to 4A charging current, refer to

the MAX1737 data sheet.

Typical Operating Circuit

6V TO 28V

DCIN

CSSP

CSSN

SYSTEM

LOAD

REF

HSD

________________________Applications

Li+ Battery Packs

Hand-Held Instruments

MAX1758

ISETOUT

BST

Notebook Computers

Desktop Cradle Chargers

Pin Configuration

ISETIN

CELL

PGND

TOP VIEW

ISETIN

ISETOUT

THM

28 DCIN

27 CSSP

26 CSSN

25 CCV

24 CCI

VADJ

BATT

THM

REF

CCS

CCI

Li+ BATTERY

1 TO 4 CELLS

MAX1758

THERM

GND

23 CCS

VADJ

BATT

22 BST

21 CS

HSD

20 LX

CCV

FASTCHG

FULLCHG

FAULT

HSD 10

CELL 11

19 LX

TIMER1

TIMER2

SHDN

18 PGND

17 SHDN

16 FULLCHG

15 FASTCHG

TIMER1 12

TIMER2 13

FAULT 14

OFF

GND

SSOP

________________________________________________________________ Maxim Integrated Products

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

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

12 3 4 5 6 7...17

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MAX1758EAI 替代型号

型号	品牌	替代类型	描述	数据表
MAX1758EAI-T	MAXIM	完全替代	Power Supply Support Circuit, Fixed, 1 Channel, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX1758EAI+	MAXIM	完全替代	Power Supply Support Circuit, Fixed, 1 Channel, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX1758EAI+T	MAXIM	完全替代	暂无描述

与MAX1758EAI相关器件

型号	品牌	获取价格	描述	数据表
MAX1758EAI+	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX1758EAI+T	MAXIM	获取价格	暂无描述
MAX1758EAI-T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX1758EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1757/MAX1758
MAX1759	MAXIM	获取价格	Buck/Boost Regulating Charge Pump in レMAX
MAX1759	ADI	获取价格	Buck/boost稳压电荷泵，μMAX封装
MAX17595	MAXIM	获取价格	Peak-Current-Mode Controllers for Flyback and Boost Regulators
MAX17595	ADI	获取价格	峰值电流模式控制器，用于构建反激和boost稳压器
MAX17595_13	MAXIM	获取价格	Peak-Current-Mode Controllers for Flyback and Boost Regulators
MAX17595ATE	MAXIM	获取价格	Peak-Current-Mode Controllers for Flyback and Boost Regulators

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