BQ24200DGN - TI

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

Part No

BQ24200DGN
Manufacturer

TI
ChipWorker Part#

CW35105458
Category

Battery Management IC
Package

PowerPad-MSOP-8
Description

Battery Charge Management 500mA, 4.2V Li-Ion Charger for Current-Limited App. w/Temp Sense in MSOP-8 Linear Charge Management Li-Ion/Li-Pol 500mA 4.1V 8Pin HVSSOP EP T/R
Documentation

Datasheet

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BQ24200DGN Specifications

Attribute	Attribute Value

Part Number	BQ24200DGN
Manufacturer	TI
ChipWorker Part#	CW35105458
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	PowerPad-MSOP-8
Supply Voltage (DC)	13.5V (max)
Input Voltage (DC)	13.5 V
Output Voltage	4.1 V
Output Current	0.5 A
Power Dissipation	1750 mW
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1750 mW
Supply Voltage	2.8 V
Input Voltage	13.5 V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	1.02 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The bq2420x series are simple Li-Ion linear charge management devices targeted at low-cost and space limited charger applications. The bq2420x series offer integrated powerFET, high-accuracy voltage regulation, temperature monitoring, charge status, and charge termination, in a single monolithic device.
The bq2420x is designed to work with a current-limited wall-mount transformer and therefore does not provide any current regulation. However, these devices offer a fixed internal current limit to prevent damage to the internal powerFET. A time-limited pre-conditioning phase is provided to condition deeply discharged cells. Once the battery reaches the charge voltage, the high accuracy voltage regulation loop takes over and completes the charge cycle. Charge is terminated based on minimum current. An internal charge timer provides a backup safety for charge termination.
Other standard features include an automatic sleep mode activated when VCC falls below the battery voltage falls below the VRCH threshold.
In addition to the standard features, the core product provides two additional enhancements: temperature monitoring and status display. The temperaturesense circuit continuously measures battery temperature using an external thermistor and inhibits charge until the battery temperature is within the user-defined thresholds. The STAT pin indicates three conditions of operation of the charger. These conditions are _charge-in-progress, charge complete,_ and _fault_. This output can be used to drive an LED or an interface to a microcontroller.

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