UCD7242RSJT - TI

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

Part No

UCD7242RSJT
Manufacturer

TI
ChipWorker Part#

CW22465666
Category

DC to DC Converter
Package

QFN-32
Description

TEXAS INSTRUMENTS UCD7242RSJT Power Management IC, Digital Dual Synchronous Buck Power Driver, 2.2V to 18V input, 2MHz, QFN-32
Documentation

Datasheet

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UCD7242RSJT Specifications

Attribute	Attribute Value

Part Number	UCD7242RSJT
Manufacturer	TI
ChipWorker Part#	CW22465666
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	32 Pin
Case/Package	QFN-32
Supply Voltage (DC)	18.0V (max)
Number of Outputs	2 Output
Input Voltage (DC)	2.20V ~ 18.0V
Output Current	10 A
Number of Positions	32 Position
Power Dissipation	5.2 W
Switching Frequency	300kHz ~ 2MHz
Input Voltage (Max)	18 V
Input Voltage (Min)	2.2 V
Output Current (Max)	10 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	7500 mW
Input Voltage	4.75V ~ 18V
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Size-Length	6.15 mm
Size-Width	6.15 mm
Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
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 UCD7242RSJT is a digital dual Synchronous-buck Power System ready to drive two independent buck power supplies. High side MOSFETs, low side MOSFETs, drivers, current sensing circuitry and necessary protection functions are all integrated into one monolithic solution to facilitate minimum size and maximum efficiency. Driver circuits provide high charge and discharge current for the high-side NMOS switch and the low-side NMOS synchronous rectifier in a synchronous buck circuit. The MOSFET gates are driven to +6.25V by an internally regulated VGG supply. The internal VGG regulator can be disabled to permit the user to supply an independent gate drive voltage. This flexibility allows a wide power conversion input voltage range of 2.2 to 18V. Internal under voltage lockout (UVLO) logic ensures VGG is good before allowing chip operation. The synchronous rectifier enable (SRE) pin controls whether or not the low-side MOSFET is turned on when the PWM signal is low.
Fully integrated power switches with drivers for dual synchronous buck converters
Full compatibility with TI fusion digital power supply
Up to 10A output current per channel
Operational to 2MHz switching frequency
High side current limit with current limit flag
Onboard regulated 6V driver supply from VIN
Thermal protection

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