MAX14663

Portable Medical Power Management Solution with Cable Detection

Most Highly Integrated Power Solution for Rechargeable Portable Medical Devices


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说明

The MAX14663 is a complete power solution for portable medical devices, including blood glucose meters.

The device integrates a high-efficiency single-cell Li-ion switching charger targeted at space-limited portable applications with small batteries.

An ultra low-power seal mode which significantly reduces standby current and preserves battery charge during prolonged periods of storage is also included. This mode extends battery shelf life, and enables improved customer experience with immediate out-of-box use.

Additionally, the MAX14663 embeds a Maxim proprietary ModelGauge™ (fuel gauge), which provides an accurate estimate of the available capacity for rechargeable Li-ion batteries.

A boost converter and LED current sinks are also integrated for powering OLED displays or LED backlights. Internal cable-detection circuitry enables the MAX14663 to identify the presence of an unpowered/unconnected USB cable. This information can be used by the portable system to intelligently select its operating mode, maximizing accuracy and minimizing measurement errors.

The MAX14663 operates over the -20°C to +70°C temperature range and is available in a (5mm x 5mm), 40-pin, TQFN-EP package.

关键特性

  • High-Efficiency Switching Charger Tailored for Small Capacity Batteries Saves Space, Extends Battery Life
  • Battery Isolation Switch Extends Battery Shelf Life
    • Hardware/Software Configurable
    • Integrated Power-Key Monitor
  • Integration Simplifies and Shrinks Display Driving Circuitry
    • 3-Channel Programmable-LED Current Sinks
    • Integrated Step-Up Converter
  • Integrated Protection and Control for Reliable Performance
    • Fully Integrated Cable Detection Controller to Ensure Measurement Accuracy
    • Overvoltage and Thermal Protection
      • 28V Tolerant VB Input Connection
    • High ESD Protection (VB, DP, DM, KIN)
      • ±15kV HBM ESD Protection
      • ±10kV Air-Gap Protection
      • ±8kV Contact Discharge Protection
    • Manual Reset Controller
    • Programmable Interrupt Generation (I2C)
  • Integrated ModelGauge Host-Side Fuel Gauge Saves Space and Accurately Estimates State of Charge
    • ModelGauge Algorithm
    • Tolerates Temperature & Load Variation
    • No Error Accumulation
    • Learning Not Necessary
    • Current-Sense Resistor Not Required

应用

  • null
  • 便携式医疗设备
  • null
Part NumberPrimary TopologyMonitor/Control FeaturesDC-DC/Power FeaturesLCD/LED/Flash/CCD FeaturesBattery Charger FeaturesInterface TypeVIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Max. IOUT
(A)
Oper. Freq.
(kHz)
Package/Pins
minmaxminmax
MAX14663 Step-Up
Reset Output
Serial Interface
Shutdown
Current Limit
Internal Switch
Soft Start
AMOLED Bias
White LED
Battery Charger
Charge Timer
Smart Pwr. Selector
Thermal Die Regulation
Thermistor Input
I2C2.75.55170.50.51500
TQFN/40
查看所有Multifunction PMICs (79)
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。

CAD Symbols and Footprints

  • MAX14663ETL+
  • 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。

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