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BQ24003RGWRG4, BQ24004, BQ24004-46T

Table of contents:
Info of BQ24003RGWRG4
Info of BQ24004
Info of BQ24004-46T

BQ24003RGWRG4, BQ24004, BQ24004-46T Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:QFN20 D/C:08+

BQ24003RGWRG4, BQ24004, BQ24004-46T Picture

BQ24003RGWRG4, BQ24004, BQ24004-46T Datasheet download

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Part Number: BQ24003RGWRG4

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: QFN20

D/C: 08+

Description: IC LI-ION CHARGE MGMT 20-QFN

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BQ24003RGWRG4 Parameters

Technical/Catalog Information	BQ24003RGWRG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Battery Type	Li-Ion
Function	Charge Management
Package / Case	20-QFN
Packaging	Tape & Reel (TR)
Operating Temperature	-40°C ~ 70°C
Voltage - Supply	4.5 V ~ 10 V
Drawing Number	296; 4204100; RGW; 20
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BQ24003RGWRG4 BQ24003RGWRG4

BQ24004 General Description

The bq2400x series ICs are advanced Li-Ion linear charge management devices for highly integrated and space-limited applications. They combine high-accuracy current and voltage regulation; FET pass-transistor and reverse-blocking Schottky; battery conditioning, temperature, or input-power monitoring;charge termination; charge-status indication; and charge timer in a small package.

The bq2400x measures battery temperature using an external thermistor. For safety, the bq2400x inhibits charge until the battery temperature is within the user-defined thresholds. Alternatively, the user can monitor the input voltage to qualify charge. The bq2400x series then charge the battery in three phases:preconditioning, constant current, and constant voltage. If the battery voltage is below the internal low-voltage threshold, the bq2400x uses low-current precharge to condition the battery. A preconditioning timer provides additional safety. Following pre-conditioning, the bq2400x applies a constant-charge current to the battery. An external sense-resistor sets the magnitude of the current. The constant-current phase is maintained until the battery reaches the charge-regulation voltage. The bq2400x then transitions to the constant voltage phase. The user can configure the device for cells with either coke or graphite anodes. The accuracy of the voltage regulation is better than ±1% over the operating junction temperature and supply voltage range.

Charge is terminated by maximum time or minimum taper current detection

The bq2400x automatically restarts the charge if the battery voltage falls below an internal recharge threshold.

BQ24004 Maximum Ratings

	bq24004 bq24005 bq24006
Supply voltage (V_CC with respect to GND)	13.5 V
Input voltage (IN, ISNS, EN, APG/THERM/CR/STAT1/STAT2, VSENSE, TMR SEL, VSEL) (all with respect to GND)	13.5 V
Output current (OUT pins)	2 A
Output sink/source current (STAT1 and STAT2)	10 mA
Operating free-air temperature range, T_A	-40 to 70
Storage temperature range, T_stg	-65 to 150
Junction temperature range, T_J	-40 to 125
Lead temperature (Soldering, 10 s)	300

BQ24004 Features

*Highly Integrated Solution With FET Pass Transistor and Reverse-Blocking Schottky and Thermal Protection
*Integrated Voltage and Current Regulation With Programmable Charge Current
*High-Accuracy Voltage Regulation (±1%)
*Ideal for Low-Dropout Linear Charger Designs for Two-Cell Li-Ion Packs With Coke or Graphite Anodes
*Up to 1.2-A Continuous Charge Current
*Safety-Charge Timer During Preconditioning and Fast Charge
*Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge
*Optional Temperature or Input-Power Monitoring Before and During Charge
*Various Charge-Status Output Options for Driving Single, Double, or Bicolor LEDs or Host-Processor Interface
*Charge Termination by Minimum Current and Time
*Low-Power Sleep Mode
*Packaging: 20-Lead TSSOP PowerPAD™

BQ24004 Typical Application

PDAs
Internet Appliances
MP3 Players
Digital Cameras

BQ24004 Connection Diagram

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