BQ24250RGET - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

BQ24250RGET
Manufacturer

TI
ChipWorker Part#

CW25652466
Category

Battery Management IC
Package

VQFN-24
Description

Battery Charger Li-Ion 2000mA 3.5V to 4.44V 24Pin VQFN T/R
Documentation

Datasheet

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BQ24250RGET Specifications

Attribute	Attribute Value

Part Number	BQ24250RGET
Manufacturer	TI
ChipWorker Part#	CW25652466
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	VQFN-24
Input Voltage (DC)	10.5 V
Output Voltage	3.5V ~ 4.44V
Output Current	2 A
Number of Positions	24 Position
Switching Frequency	3.00 kHz
Output Voltage (Max)	4.2 V
Output Current (Max)	4000 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	10.5 V
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Size-Length	4.15 mm
Size-Width	4.15 mm
Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The bq24250, bq24251, and bq24253 are highly integrated single-cell Li-Ion battery chargers and system power-path management devices targeted for space-limited, portable applications with high-capacity batteries. The single-cell charger has a single input that operates from either a USB port or an AC wall adapter for a versatile solution.
The power-path management feature allows the bq24250, bq24251, and bq24253 to power the system from a high-efficiency DC-DC converter while simultaneously and independently charging the battery. The charger monitors the battery current at all times and reduces the charge current when the system load requires current above the input current limit. This reduced charge current allows for proper charge termination and enables the system to run with a defective or absent battery pack. Additionally, this reduced charge current enables instant system turnon even with a totally discharged battery or no battery. The architecture of the power-path management also permits the battery to supplement the system current requirements when the adapter cannot deliver the peak system currents. This supplementation of current requirements enables the use of a smaller adapter.
The battery is charged in four phases: trickle charge, precharge, constant current, and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if the internal temperature threshold is exceeded. Additionally, a voltage-based, JEITA compatible battery pack thermistor monitoring input (TS) that monitors battery temperature for safe charging is included.

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- Anti-vibration foam
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