Ti Bq25505 Battery Power Charge Management Chip Voltage Monitor Protector Electronic Components Integrated Circuit IC.

• shape: Flat
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Technics: Semiconductor IC
• Application: Standard Generalized Integrated Circuit
• Type: Digital / Analog IC
• Model NO.: BQ25505
• Rating: Catalog
• RoHS: Yes
• Reach: Yes
• Lead Finish / Ball Material: Nipdau / Snagcu
• Delivery Time: 1-3 Days
• Transport Package: Small Large T&R
• Specification: 9 mm² 3 x 3
• Trademark: TI
• HS Code: 8542399000
• Production Capacity: 60000

Product Description

Packaging information

Package | PinsVQFN (RGR) | 20

Operating temperature range (°C)-40 to 125

Package qty | Carrier250 | SMALL T&R

Features for the BQ25505

• Ultra Low-Power With High-Efficiency DC-DC Boost Charger
  • Cold-Start Voltage: V_IN ≥ 600 mV
  • Continuous Energy Harvesting From Input Sources as Low as 100 mV
  • Ultra-Low Quiescent Current of 325 nA
  • Input Voltage Regulation Prevents Collapsing High-Impedance Input Sources
  • Ship Mode With < 5 nA From Battery
• Energy Storage
  • Energy can be Stored to Rechargeable Li-Ion Batteries, Thin-Film Batteries, Super-Capacitors, or Conventional Capacitors
• Battery Charging and Protection
  • Internally Set Undervoltage Level
  • User-Programmable Overvoltage Level
• 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
• Programmable Maximum Power Point Tracking (MPPT)
  • Integrated MPPT for Optimal Energy Extraction From a Variety of Energy Harvesters
• Gate Drivers for Primary (Nonrechargeable) and Secondary (Rechargeable) Storage Element Multiplexing
  • Autonomous Switching Based on VBAT_OK
  • Break-Before-Make Prevents System Rail Droop

Description for the BQ25505

The bq25505 device is specifically designed to efficiently extract the microwatts (µW) to miliwatts (mW) of power generated from a variety of DC energy harvesting, high-impedance sources like photovoltaic (solar) or thermal electric generators (TEGs) without collapsing those sources. The battery-management features of the bq25505 ensure that a secondary rechargeable battery is not overcharged by this extracted power, with voltage boosted, nor depleted beyond safe limits by a system load. The integrated multiplexer gate drivers autonomously switch the system load to a primary nonrechargeable battery if the secondary battery voltage falls below the user-defined VBAT_OK threshold.