MAX1508, MAX1508Y, MAX1508Z

线性Li+电池充电器,带有集成调整FET、热调节和ACOK,3mm x 3mm TDFN封装


点击查看特定型号的库存状况。

说明

The MAX1508 is an intelligent, stand-alone constant-current, constant-voltage (CCCV), thermally regulated linear charger for a single-cell lithium-ion (Li+) battery. The MAX1508 integrates the current-sense circuit, MOS pass element, and thermal-regulation circuitry, and also eliminates the reverse-blocking Schottky diode, to create the simplest and smallest charging solution for hand-held equipment.

The MAX1508 functions as a stand-alone charger to control the charging sequence from the prequalification state through fast-charge, top-off charge, and full-charge indication. The MAX1508Y and MAX1508Z eliminate the prequalification state to allow startup into a load without a battery.

Proprietary thermal-regulation circuitry limits the die temperature to +100°C when fast charging or while exposed to high ambient temperatures, allowing maximum charging current without damaging the IC.

The MAX1508 achieves high flexibility by providing an adjustable fast-charge current by an external resistor. Other features include the charging status (active-low CHG) of the battery, an active-low control input (active-low EN) for the MAX1508 and MAX1508Z (active-high control input for the MAX1508Y), and an active-low input power-source detection output (active-low ACOK).

The MAX1508 accepts a +4.25V to +13V supply, but disables charging when the input voltage exceeds +7V to protect against unqualified or faulty AC adapters. The MAX1508 operates over the extended temperature range (-40°C to +85°C) and is available in a compact 8-pin thermally enhanced 3mm x 3mm thin DFN package with 0.8mm height.
MAX1508、MAX1508Y、MAX1508Z:典型工作电路 MAX1508、MAX1508Y、MAX1508Z:典型工作电路 放大+

关键特性

  • Stand-Alone Linear 1-Cell Li+ Battery Charger
  • No External FET, Reverse-Blocking Diode, or Current-Sense Resistor Required
  • Programmable Fast-Charge Current (0.8A max)
  • Proprietary Die-Temperature Regulation Control (+100°C)
  • +4.25V to +13V Input Voltage Range with Input Overvoltage Protection (OVP) Above +7V
  • Charge-Current Monitor for Fuel Gauging
  • Low Dropout Voltage—130mV at 0.425A
  • Input Power-Source Detection Output (Active-Low ACOK)
  • Soft-Start Limits Inrush Current
  • No Prequalification State for the MAX1508Y and MAX1508Z
  • Charge Status Output (Active-Low CHG) for LED or Microprocessor Interface
  • Small 3mm x 3mm 8-Pin Thin DFN Package, 0.8mm High
  • Active-Low Charge Enable (Active-Low EN) (MAX1508 and MAX1508Z)
  • Active-High Charge Enable (EN) (MAX1508Y)

应用

  • Bluetooth®设备
  • 蜂窝电话/无绳电话
  • 充电托架和坞站
  • 数码相机与MP3播放器
  • PDA
  • USB应用
Part NumberLithium Ion CellsProtected VIN
(V)
Charging VIN
(V)
Charge Rate Set byMax. ICHG
(A)
Charge TerminationCharge RegulationOper. Temp.
(°C)
Package/PinsBudgetary
Price
maxmaxSee Notes
MAX1508 1137Resistor0.8External ControlLinear-40 to +85
TDFN/8
$2.01 @1k
查看所有Battery Chargers (74)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。


MAX1507EVKIT: MAX1507、MAX1508评估板
MAX1508EVKIT: MAX1507、MAX1508评估板

技术资料

应用笔记 4169 Understanding Li+ Battery Operation Lessens Charging Safety Concerns

质量和环境数据

产品可靠性报告: MAX1508.pdf 
申请可靠性报告: MAX1508Y  MAX1508Z 
无铅封装的锡(Sn)晶须报告

CAD Symbols and Footprints

  • MAX1508ETA+
  • MAX1508ETA+T
  • MAX1508ETA-T
  • MAX1508YETA+
  • MAX1508YETA+T
  • MAX1508YETA-T
  • MAX1508ZETA+
  • MAX1508ZETA+T
  • MAX1508ZETA-T
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

    质量管理体系 >
    环境管理体系 >

     
    Status:
    Package:
    Temperature:

    相关资料


    MAX17301
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17302
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17312
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17311
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17303
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17313
    单节电池ModelGauge m5 EZ电量计,集成保护器和SHA-256安全认证

    • 电池健康 + 可编程安全/保护
    • 非易失存储器,用于独立操作
    • 低静态电流

    MAX17823H
    12-Channel, High-Voltage Data-Acquisition Systems

    • AEC-Q100 Grade 2 Temperature Range
    • Operating Voltage from 9V to 65V
    • Ultra-Low Power Operation