BQ2057CDGK - TI

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

Part No

BQ2057CDGK
Manufacturer

TI
ChipWorker Part#

CW39543440
Category

Battery Management IC
Package

VSSOP-8
Description

Battery Charge Management Low Dropout Linear 1-cell Li-Ion Charge Controller with AutoCompTM, 4.2V Linear Charge Management Li-Ion/Li-Pol 2000mA 4.2V 8Pin VSSOP Tube
Documentation

Datasheet

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BQ2057CDGK Specifications

Attribute	Attribute Value

Part Number	BQ2057CDGK
Manufacturer	TI
ChipWorker Part#	CW39543440
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSSOP-8
Supply Voltage (DC)	15.0V (max)
Input Voltage (DC)	15.0 V
Output Voltage	4.2 V
Output Current	0.04 A
Power Dissipation	300 mW
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
Power Dissipation (Max)	300 mW
Supply Voltage	4.5 V
Supply Voltage (Min)	4.5 V
Input Voltage	15 V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.97 mm
Operating Temperature	-20℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

DESCRIPTION
The BENCHMARQ bq2057 series advanced Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) linear charge-management ICs are designed for cost sensitive and compact portable electronics. They
combine high-accuracy current and voltage regulation, battery conditioning, temperature monitoring, charge termination, charge-status indication, and AutoComp charge-rate compensation in a single 8-pin IC. MSOP, TSSOP, and SOIC package options are offered to fit a wide range of end applications.
FEATURES
Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs
Requires Small Number of External Components
0.3 V Dropout Voltage for Minimizing Heat Dissipation
Better Than ±1% Voltage Regulation Accuracy With Preset Voltages
AutoCompDynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time
Optional Cell-Temperature Monitoring Before and During Charge
Integrated Voltage and Current Regulation With Programmable Charge-Current and High or Low-Side Current Sensing
Integrated Cell Conditioning for Reviving
Deeply Discharged Cells and Minimizing Heat
Dissipation During Initial Stage Of Charge
Charge Status Output for Single or Dual Led or Host Processor Interface
Automatic Battery-Recharge Feature
Charge Termination by Minimum Current
Automatic Low-Power Sleep Mode When VCC Is Removed
EVMs Available for Quick Evaluation
Packaging: 8-Pin SOIC, 8-Pin TSSOP, 8-Pin MSOP

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Surface testing

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