MAX17043 Lithium Battery Power Detection Alarm Module

349.00
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MAX17043 Lithium Battery Power Detection Alarm Module is a highly integrated fuel gauge solution for single-cell lithium-ion (Li+) batteries. It uses advanced ModelGauge algorithm to accurately monitor battery voltage and estimate state of charge (SOC) without the need for full charge/discharge calibration. Compact and efficient, it’s ideal for battery-powered projects and portable electronics.

Key Features:
  • Fuel Gauge IC: Utilizes MAX17043G+U with built-in ModelGauge algorithm.
  • Accurate SOC Estimation: Monitors real-time battery charge level without full cycle learning.
  • Low Power Consumption: Operates with minimal current draw, extending battery life.
  • Battery Low Alert: Configurable threshold alert when battery drops below set SOC.
  • I2C Communication: Allows easy interfacing with microcontrollers and development boards.
Technical Specifications:
  • Operating Voltage: 2.5V to 4.5V
  • Battery Type: Single-cell Lithium-ion or Lithium-Polymer
  • Communication Interface: I2C (standard and fast mode supported)
  • Quiescent Current: ~23µA (typical)
  • Low Battery Alert Pin: Active-low interrupt output (ALRT)
  • IC Model: MAX17043G+U
Mechanical Specifications:
  • Module Size: Approx. 22mm × 17mm
  • Mounting Type: Through-hole and header pin compatible
  • PCB Color: Blue
  • Connector Type: 4-pin male header (VCC, GND, SCL, SDA)
Pinout and Wiring:
  • VCC: Power input (3.7V Li-ion battery)
  • GND: Ground connection
  • SCL: I2C clock line
  • SDA: I2C data line
  • ALRT (optional): Interrupt signal when low battery alert is triggered
Datasheet and Documentation:
  • Download MAX17043G+U Datasheet (PDF)
Applications:
  • Battery Management Systems: Monitors battery charge in lithium-based battery packs.
  • Portable Electronics: Ideal for smartphones, tablets, and wireless modules.
  • IoT Devices: Tracks battery levels in remote or low-power embedded systems.
  • Arduino/Raspberry Pi Projects: Adds battery monitoring feature to DIY electronics.
  • Wearable Devices: Used in compact smart gadgets with rechargeable batteries.
Equivalent Models:
  • MAX17048: Enhanced version with higher accuracy and protection features
  • MAX17044: Similar interface with additional alert configuration
  • INA219 (Alternative): Current and power monitor with voltage detection
Package Includes:
  • 1 x MAX17043 Lithium Battery Power Detection Alarm Module

Additional information

Weight 5 g
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MAX17043 Lithium Battery Power Detection Alarm Module

MAX17043 Lithium Battery Power Detection Alarm Module

349.00
You save

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