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BQ24257RGER

BQ24257RGER

BQ24257RGER

Texas Instruments

Constant - Programmable BQ24257 24-VFQFN Exposed Pad Tape & Reel (TR) 5V 2A 24 Terminals

SOT-23

BQ24257RGER Datasheet

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Specifications
Name Value
Type Parameter
Lifecycle Status NRND (Last Updated: 3 days ago)
Contact Plating Gold
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 24-VFQFN Exposed Pad
Number of Pins 24
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part Status Not For New Designs
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 24
ECCN Code EAR99
Terminal Position QUAD
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number BQ24257
Output Voltage 4.2V
Supply Voltage-Min (Vsup) 4.35V
Number of Channels 1
Interface I2C, USB
Max Supply Voltage 6.5V
Analog IC - Other Type POWER SUPPLY MANAGEMENT CIRCUIT
Operating Supply Current 13mA
Output Current 2A
Adjustable Threshold YES
Supply Current-Max (Isup) 5mA
Threshold Voltage +3.35V
Fault Protection Over Temperature, Over Voltage
Battery Chemistry Multi-Chemistry
Number of Cells 1
Switching Frequency 3kHz
Programmable Features Timer
Current - Charging Constant - Programmable
Battery Pack Voltage 4.44V Max
Height 1mm
Length 4mm
Width 4mm
Thickness 880μm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $4.04000 $4.04
500 $3.9996 $1999.8
1000 $3.9592 $3959.2
1500 $3.9188 $5878.2
2000 $3.8784 $7756.8
2500 $3.838 $9595
BQ24257RGER Product Details

BQ24257RGER Overview


There is an Tape & Reel (TR) package that contains it. The 24-VFQFN Exposed Pad package includes it as a convenience.Mounting type is Surface Mount.It is recommended to set the temperature to -40°C~85°C TA for reliable performance.It uses an analog integrated circuit of type POWER SUPPLY MANAGEMENT CIRCUIT.For the device to be charged, there is Constant - Programmable current required.Parts related to the base part number BQ24257 can be found based on that number.It contains 24 terminations.The battery pack has 4.44V Max.Features like Timer can be programmed.It operates on the basis of 24 pins.A total of 1 channels are available.Battery voltage should be 5V.A 6.5V supply voltage can be applied to it.High efficiency can be achieved with a 4.2V output voltage.There is 2A output current when the device operates.As far as the mounting is concerned, it is mounted in the way of Surface Mount.5mA is set for Vsup (maximum supply voltage).A 13mA supply current is set on the gadget.There is 3kHz switching frequency for this part.In order to ensure normal operation, the supply voltage (Vsup) should be kept above 4.35V.

BQ24257RGER Features


Battery pack voltage of 4.44V Max
1 channels
Switching frequency of 3kHz
24-VFQFN Exposed Pad package


BQ24257RGER Applications


There are a lot of Texas Instruments
BQ24257RGER Battery Chargers ICs applications.


  • Fast charge
  • Fleet management
  • Shop charger
  • Golf carts
  • Forklift
  • Pallet jacks
  • Personnel carriers
  • Maintenance shops
  • Rental fleets
  • Truck dealers

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