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TEXAS INSTRUMENTS BQ24172RGYT

Battery Charger for 3 Cells of Li-Ion, Li-Pol battery, 17V input, 4.2V / 4A charge, VQFN-24

TEXAS INSTRUMENTS BQ24172RGYT
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Manufacturer Part No:
BQ24172RGYT
Order Code:
3008713RL
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ECAD / MCAD
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Product Overview

The BQ24172RGYT is a synchronous switch-mode Li-ion and Li-polymer stand-alone Battery Charger with two integrated N-channel power MOSFETs. The device offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current and voltage. The bq2417x closely monitors the battery pack temperature to allow charge only in a preset temperature window. It can be adjustable for up to three series Li+ cells. The device charges the battery in three phases: preconditioning, constant current and constant voltage. Charge is terminated when the current reaches 10% of the fast charge rate. A programmable charge timer offers a safety backup. It automatically restarts the charge cycle if the battery voltage falls below an internal threshold and enters a low-quiescent current sleep mode when the input voltage falls below the battery voltage.
  • Adjustable charge voltage
  • Automatic power path selector between adapter and battery
  • Dynamic power management
  • Integrated 20V switching MOSFETs
  • Integrated bootstrap diode
  • Internal digital soft start
  • Thermal shutdown
  • Adjustable input overvoltage protection
  • Cycle-by-cycle current limit
  • Green product and no Sb/Br

Applications

Power Management, Computers & Computer Peripherals, Portable Devices, Consumer Electronics, Medical

Product Information

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:
Li-Ion, Li-Pol

:
17V

:
4.2V

:
4A

:
4A

:
VQFN

:
VQFN

:
24Pins

:
3

:
3Cells

:
-40°C

:
85°C

:
Surface Mount

:
-

:
MSL 2 - 1 year

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Packaging type Re-reel
"
 
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Cut Tape :3008713 Check stock

584 In stock Need more?

584 UK stock available for 3-4 business days delivery

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100 (Cut Tape 3008713) x 6.04 = S$604.00
Total Price: S$604.00 (S$658.36  Inc. GST)
100 (Re-reel 3008713RL) x 6.04 = S$604.00
Total Price: S$604.00 (S$658.36  Inc. GST)
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"
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