BQ2954SN - TI

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

Part No

BQ2954SN
Manufacturer

TI
ChipWorker Part#

CW47212703
Category

Battery Management IC
Package

SOIC-16
Description

TEXAS INSTRUMENTS BQ2954SN Battery Charger for 4 Cells of Li-Ion battery, 5.5V input, 5.5V / 2A charge, SOIC-16
Documentation

Datasheet

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BQ2954SN Specifications

Attribute	Attribute Value

Part Number	BQ2954SN
Manufacturer	TI
ChipWorker Part#	CW47212703
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
Output Current	2000 mA
Supply Current	2.00 mA
Number of Positions	16 Position
Switching Frequency	100 kHz
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Input Voltage	5.5 V
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Size-Length	9.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
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
ECCN Code	EAR99

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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