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BQ2054PN - TI
Manufacturer:
TI
ManyChip's Part#:
MC64533448
Category:
Battery Management IC
Package:
PDIP-16
Datasheet:
Datasheet 3D Model
Description:
Battery Charge Management Switch-mode Li-Ion Battery Charger in PDIP or SOIC Package Fast Charge Management Li-Ion Pack 16Pin PDIP Tube
Stock Locations:
Availability:
256 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 11.7

Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.

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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BQ2054PN Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	PDIP-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
Input Voltage	5.5 V
	Show
Size-Length	19.3 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	-20℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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