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MAX1508ETA-T

产品分类: 电池管理芯片
厂牌: MAXIM INTEGRATED
产品描述: 800mA 13 V 4.2V 6.25V DFN 贴片安装
供应商型号: MAX1508ETA-TDKR-ND
供应商: Digi-Key
标准整包数: 1
MAXIM INTEGRATED 电池管理芯片 MAX1508ETA-T

MAX1508ETA-T概述

    MAX1508 Linear Li+ Battery Charger Technical Overview
    1. Product Introduction
    The MAX1508 is a sophisticated, stand-alone linear battery charger designed specifically for single-cell lithium-ion (Li+) batteries. Its core features include constant current and constant voltage (CCCV) charging, integrated thermal regulation, and the ability to eliminate the need for an external Schottky diode. This integration makes the MAX1508 the simplest and smallest charging solution available for handheld devices such as cellular phones, PDAs, digital cameras, and MP3 players. Additionally, its compatibility with USB appliances and charging docks enhances its versatility.
    2. Technical Parameters
    The MAX1508 exhibits several key technical specifications that make it a standout product:
    - Input Voltage Range: +4.25V to +13V.
    - Adjustable Fast-Charge Current: Up to 0.8A, adjustable via an external resistor.
    - Thermal Regulation Set Point: +100°C.
    - Charge Status Output: Active-low CHG output for signaling charging status.
    - Voltage Regulation: Maintains battery voltage within 4.15V to 4.25V depending on temperature.
    - Power Dissipation: Up to 1951mW (with derating above +70°C).
    - Temperature Range: Operates from -40°C to +85°C.
    - Package: Compact 8-pin thermally enhanced 3mm x 3mm thin DFN package with an exposed paddle.
    3. Product Features and Advantages
    The MAX1508 offers distinct advantages over competing products:
    - Integration: Eliminates the need for external FETs, reverse-blocking diodes, and current-sense resistors, simplifying design complexity.
    - Flexibility: Adjustable fast-charge current ensures adaptability across multiple battery capacities.
    - Efficiency: Low dropout voltage of 130mV at 0.425A improves overall efficiency.
    - Protection: Features input overvoltage protection (OVP) and soft-start to limit inrush current, ensuring safe operation under various conditions.
    - Monitoring: Provides a charge-current monitor for fuel gauging and input power-source detection output (ACOK).
    4. Application Cases and Usage Suggestions
    The MAX1508 is ideal for a variety of handheld electronics, including:
    - Cellular Phones and Tablets: Provides reliable charging with minimal external components.
    - Portable Devices: Efficiently charges digital cameras, MP3 players, and PDAs due to its small form factor.
    - Charging Stations: Compatible with cradles and docking stations that require multiple charging ports.
    To optimize usage:
    - Ensure the input voltage stays within the specified range (+4.25V to +13V).
    - Properly size the input bypass capacitors to minimize noise and improve transient response.
    5. Compatibility and Support
    The MAX1508 is compatible with standard Li+ batteries and provides easy integration with existing systems. Maxim Integrated offers robust support, including comprehensive documentation and evaluation kits to facilitate quick adoption.
    6. Common Issues and Solutions
    | Problem | Solution |

    | Inadequate charging current | Adjust the RISET resistor to increase the current.|
    | Incorrect charge status | Verify connection of CHG and ACOK outputs. |
    | Excessive heating | Check thermal management and ensure adequate cooling.|
    7. Summary and Recommendation
    The MAX1508 Linear Li+ Battery Charger stands out with its integration capabilities, thermal regulation, and flexibility in fast-charge current settings. Its application in portable electronics such as smartphones and digital cameras makes it an excellent choice for modern charging solutions. Given its compact size, efficiency, and ease of use, we highly recommend the MAX1508 for developers and manufacturers looking for a reliable and efficient charging solution.
    By leveraging its advanced features, engineers can achieve optimal perform

MAX1508ETA-T参数

参数
电池类型 -
故障保护 -
最大工作供电电压 6.25V
功能 -
最小输出电压 -
最大输出电压 4.2V
输出电流 800mA
最小工作供电电压 13 V
接口类型 -
通用封装 DFN
安装方式 贴片安装

MAX1508ETA-T厂商介绍

Maxim Integrated(美信集成)是一家全球领先的半导体设计公司,专注于模拟、混合信号和微处理器解决方案。公司成立于1983年,总部位于美国加州圣何塞。

Maxim Integrated的主要产品分为以下几类:
1. 电源管理:包括电源管理IC、电池管理、电源转换器等,广泛应用于移动设备、工业控制等领域。
2. 微控制器:包括微处理器、微控制器等,应用于智能家居、物联网、医疗设备等领域。
3. 接口产品:包括以太网、串行通信、USB等接口产品,应用于通信、计算机等领域。
4. 传感器:包括温度、湿度、压力等传感器,应用于汽车、工业控制等领域。
5. 射频和无线:包括无线通信、射频放大器等产品,应用于无线通信、**通信等领域。

Maxim Integrated的优势在于:
1. 强大的研发能力:拥有超过4000项专利,持续推出创新产品。
2. 丰富的产品线:提供超过7万种产品,满足不同客户的需求。
3. 广泛的应用领域:产品广泛应用于消费电子、工业、汽车等领域。
4. 优质的客户服务:提供技术支持、定制解决方案等服务,满足客户的个性化需求。

MAX1508ETA-T数据手册

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MAXIM INTEGRATED 电池管理芯片 MAXIM INTEGRATED MAX1508ETA-T MAX1508ETA-T数据手册

MAX1508ETA-T封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
1+ ¥ 82.8366
10+ ¥ 55.5361
25+ ¥ 48.4213
100+ ¥ 40.3714
250+ ¥ 36.4201
500+ ¥ 35.3199
库存: 2267
起订量: 105 增量: 1
交货地:
最小起订量为:100
合计: ¥ 4037.14
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