BQ2954PN - TI

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

Part No

BQ2954PN
Manufacturer

TI
ChipWorker Part#

CW15206767
Category

Battery Management IC
Package

DIP-16
Description

Battery Charge Management Switch-mode Li-Ion Charge Controller Battery Charger Li-Ion 2000mA 16Pin PDIP Tube
Documentation

Datasheet

BQ2954PN Global Supplier

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BQ2954PN Specifications

Attribute	Attribute Value

Part Number	BQ2954PN
Manufacturer	TI
ChipWorker Part#	CW15206767
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	DIP-16
Supply Voltage (DC)	5.50V (max)
Input Voltage (DC)	5.50 V
Output Current	2 A
Switching Frequency	100 kHz
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
Supply Voltage	4.5V ~ 5.5V
Input Voltage	5.5 V
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Size-Length	19.3 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The bq2954 Li-Ion Charge-Management IC uses a flexible pulse-width modulation regulator to control voltage and current during charging. The regulator frequency is set by an external capacitor for design flexibility. The switch-mode design minimizes power dissipation.
For safety, the bq2954 inhibits fast charging until the battery voltage and temperature are within configured limits. If the battery voltage is less than the low-voltage threshold, the bq2954 provides low-current conditioning of the battery.
For charge qualification, the bq2954 uses an external thermistor to measure battery temperature. Charging begins when power is applied or the battery is inserted
The bq2954 charges a battery in two phases. First a constant-current phase replenishes approximately 70% of battery capacity. Then a voltage- regulation phase completes the battery charge.
The bq2954 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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