BQ2054SN - TI

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

Part No

BQ2054SN
Manufacturer

TI
ChipWorker Part#

CW76416663
Category

Battery Management IC
Package

SOIC-16
Description

Battery Charge Management Switch-mode Li-Ion Battery Charger in PDIP or SOIC Package Fast Charge Management Li-Ion Pack 16Pin SOIC Tube
Documentation

Datasheet

BQ2054SN Global Supplier

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BQ2054SN Specifications

Attribute	Attribute Value

Part Number	BQ2054SN
Manufacturer	TI
ChipWorker Part#	CW76416663
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	5.50V (max)
Input Voltage (DC)	5.50 V
Switching Frequency	100 kHz
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
Supply Voltage	4.5 V
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Operating Temperature	-20℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The bq2054 Lithium Ion Fast-Charge IC is designed to optimize charging of lithium ion (Li-Ion) chemistry batteries. A flexible pulse-width modulation regulator allows the bq2054 to control voltage and current during charging. The regulator frequency is set by an external capacitor for design flexibility. The switch-mode design keeps power dissipation to a minimum.
The bq2054 measures battery temperature using an external thermistor for charge qualification. Charging begins when power is applied or on battery insertion.
For safety, the bq2054 inhibits charging until the battery voltage and temperature are within configured limits. If the battery voltage is less than the low-voltage threshold, the bq2054 provides low-current conditioning of the battery.
A constant current-charging phase replenishes up to 70% of the charge capacity, and a voltage-regulated phase returns the battery to full. The charge cycle terminates when the charging current falls below a user-selectable current limit. For safety, charging terminates after maximum time and is suspended if the temperature is out-side the preconfigured limits.
The bq2054 provides status indications of all charger states and faults for accurate determination of the battery and charge system conditions. View datasheet View product folder

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Electrical testing
- Surface testing

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