BQ2004SN - TI

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

Part No

BQ2004SN
Manufacturer

TI
ChipWorker Part#

CW21494866
Category

Battery Management IC
Package

SOIC-16
Description

TEXAS INSTRUMENTS BQ2004SN Battery Charger NiCd, NiMH battery, 5.5V input, 5.5V / 2A charge, SOIC-16
Documentation

Datasheet

BQ2004SN Global Supplier

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BQ2004SN Specifications

Attribute	Attribute Value

Part Number	BQ2004SN
Manufacturer	TI
ChipWorker Part#	CW21494866
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	7.00 V
Input Voltage (DC)	5.50 V
Output Voltage	4.50 V
Output Current	≤5.00 mA
Number of Positions	16 Position
Switching Frequency	300 kHz
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
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	-20℃ ~ 70℃
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 BQ2004SN is a switch-mode NiCd/NiMH Battery Charger with dt/dt termination. This fast-charge IC provides comprehensive fast charge control functions together with high-speed switching power control circuitry on a monolithic CMOS device. Integration of closed-loop current control circuitry allows the BQ2004 to be the basis of a cost-effective solution for stand-alone and system integrated chargers for batteries of one or more cells. Switch-activated discharge-before charge allows BQ2004-based chargers to support battery conditioning and capacity determination. High-efficiency power conversion is accomplished using this charger as a hysteretic PWM controller for switch-mode regulation of the charging current. The BQ2004 may alternatively be used to gate as an externally regulated charging current. Fast charge may begin on application of the charging supply, replacement of the battery, or switch depression.
Fast-charge and conditioning of nickel cadmium or nickel-metal hydride batteries
Hysteretic PWM switch-mode current regulation or gated control of an external regulator
Easily integrated into systems or used as a stand-alone charger
Pre-charge qualification of temperature and voltage
Configurable, direct LED outputs display battery and charge status
Optional top-off charge and pulsed current maintenance charging
Logic-level controlled low-power mode
Green product and no Sb/Br

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