BQ29209DRBR - TI

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

Part No

BQ29209DRBR
Manufacturer

TI
ChipWorker Part#

CW9813637
Category

Battery Management IC
Package

VSON EP-8
Description

TEXAS INSTRUMENTS BQ29209DRBR Li-Ion Battery Over Voltage Protector, 2 Series, Automatic Cell Balance, 4V to 10V supply, VSON-8
Documentation

Datasheet

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BQ29209DRBR Specifications

Attribute	Attribute Value

Part Number	BQ29209DRBR
Manufacturer	TI
ChipWorker Part#	CW9813637
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSON EP-8
Supply Voltage (DC)	4.00V (min)
Output Voltage	4.3 V
Number of Positions	8 Position
Output Voltage (Max)	9.5 V
Output Voltage (Min)	6 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4V ~ 10V
Supply Voltage (Max)	10 V
Supply Voltage (Min)	4 V
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Size-Length	3.15 mm
Size-Width	3.15 mm
Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 110℃
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 BQ29209DRBR is a secondary Overvoltage Protection IC for 2-series cell Li-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction. The voltage of each cell in a 2-series cell battery pack is compared to a factory programmed internal reference voltage. If either cell reaches an overvoltage condition, the OUT pin changes from low to high state. The BQ2920X can perform automatic voltage-based cell imbalance correction. Balancing can start when the cell voltages are different by nominally 30mV or more and stops when the difference is nominally 0mV. Cell balancing is enabled and disabled by the CB_EN pin.
Automatic cell imbalance correction with external enable control
External capacitor-controlled delay timer
External resistor-controlled cell balance current
External cell balancing mode supported
High-accuracy overvoltage protection
Fixed overvoltage protection thresholds
Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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