UC3906DW - TI

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

Part No

UC3906DW
Manufacturer

TI
ChipWorker Part#

CW11093203
Category

Battery Management IC
Package

SOIC-16
Description

TEXAS INSTRUMENTS UC3906DW Battery Charger for Lead Acid battery, 40V input, 2A charge, SOIC-16
Documentation

Datasheet

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UC3906DW Specifications

Attribute	Attribute Value

Part Number	UC3906DW
Manufacturer	TI
ChipWorker Part#	CW11093203
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	40.0V (max)
Input Voltage (DC)	40.0 V
Output Current	≥2000 mA
Number of Positions	16 Position
Power Dissipation	1000 mW
Output Current (Max)	40 mA
Output Current (Min)	25 mA
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage (Max)	40 V
Input Voltage	40 V
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Size-Length	10.28 mm
Size-Width	7.52 mm
Size-Height	2.35 mm
Operating Temperature	0℃ ~ 70℃ (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 UC3906DW is a Battery Charger Controller contains all of the necessary circuitry to optimally control the charge and hold cycle for sealed lead-acid batteries. These integrated circuits monitor and control both the output voltage and current of the charger through three separate charge states; a high current bulk-charge state, a controlled over-charge and a precision float-charge, or standby, state. Optimum charging conditions are maintained over an extended temperature range with an internal reference that tracks the nominal temperature characteristics of the lead-acid cell. A typical standby supply current requirement of only 1.6mA allows these ICs to predictably monitor ambient temperatures. Separate voltage loop and current limit amplifiers regulate the output voltage and current levels in the charger by controlling the on board driver. The driver will supply up to 25mA of base drive to an external pass device.
Optimum control for maximum battery capacity and life
Internal state logic provides three charge states
Precision reference tracks battery requirements over temperature
Controls both voltage and current at charger output
System interface functions
Typical standby supply current of only 1.6mA
Green product and no Sb/Br

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