CJMCU BQ25570 Boost Converter Module

CJMCU BQ25570 Boost Converter Module
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  • Brands CJMCU
  • Product Code:SQ6648
  • Availability: 1000
  • $15.50
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  • Ex Tax:$15.50
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Tags: BQ25570, Boost charger, CJMCU, BQ25570 Boost Converter

Description:
The BQ25570 Boost Converter is specifically designed to efficiently extract microwatts (µW) to milliwatts (mW) of power generated from a variety of high output impedance DC sources like photovoltaic (solar) or thermal electric generators (TEG) without collapsing those sources. The battery management features ensure that a rechargeable battery is not overcharged by this extracted power, with voltage boosted, or depleted beyond safe limits by a system load. In addition to the highly efficient boosting charger, the bq25570 integrates a highly efficient, nano- power Loads buck converter for providing a second power rail to systems such as wireless sensor networks (WSN) which have stringent power and operational demands. All the capabilities of bq25570 are packed into a small foot-print 20-lead 3.5-mm x 3.5-mm QFN package (RGR).

BQ25570 module Application:

  1. Energy Harvesting
  2. Solar Chargers
  3. Thermal Electric Generator (TEG) Harvesting
  4. Wireless Sensor Networks (WSN)
  5. Low Power Wireless Monitoring
  6. Environmental Monitoring
  7. Bridge and Structural Health Monitoring (SHM)
  8. Smart Building Controls
  9. Portable and Wearable Health Devices
  10. Entertainment System Remote Controls


BQ25570 module Features:

  1. Ultra Low Power DC-DC Boost Charger
    Cold-Start Voltage: VIN ≥ 600 mV
    Continuous Energy Harvesting From VIN as
    low as 100 mV
     Input Voltage Regulation Prevents Collapsing
    High Impedance Input Sources
    Full Operating Quiescent Current of 488 nA (typical)
    Ship Mode with < 5 nA From Battery
  2. Energy Storage
    Energy can be Stored to Re-chargeable Li-ion
    Batteries, Thin-film Batteries, Supercapacitors, or Conventional Capacitors
  3. Battery Charging and Protection
    Internally Set Under-voltage Level
    User Programmable Overvoltage Levels
  4. Battery Good Output Flag
    Programmable Threshold and Hysteresis
    Warn Attached Microcontrollers of Pending Loss of Power
    Can be Used to Enable or Disable System Loads
  5. Programmable Step Down Regulated Output (Buck)
    High Efficiency up to 93%
    Supports Peak Output Current up to 110 mA (typical)
  6. Programmable Maximum Power Point Tracking (MPPT)
    Provides Optimal Energy Extraction From a
    Variety of Energy Harvesters including Solar Panels, Thermal and Piezo Electric Generators


Documents:

  1. BQ25570 datasheet Link
  2. Harvesting CJMCU-25570 Link

Electrical Parameters
Channels one
Input Voltage VIN ≥ 330 mV
Current 488 nA (

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