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TPS544B25RVFT - TI
Manufacturer:
TI
ManyChip's Part#:
MC62641503
Category:
DC to DC Converter
Package:
LQFN-40
Datasheet:
Datasheet 3D Model
Description:
Conv DC-DC 4.5V to 18V Step Down Single-Out 0.5V to 5.5V 20A 40Pin LQFN EP T/R
Stock Locations:
Availability:
1,313 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 406.45

Updated at 01/11/2025 10:30:15(UTC+8)

Certifications

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Description

The TPS544B25RVFT is a SWIFT™ synchronous Buck Converter with PMBus™ and frequency synchronization. The PMBus 1.2 compliant non-isolated DC-to-DC converter has integrated FETs, capable of high-frequency operation and 20 or 30A current output. High-frequency, low-loss switching, provided by an integrated NexFET™ power stage and optimized drivers, allows for very high-density power solutions. The PMBus interface enables the AVS through VOUT_COMMAND, flexible converter configuration, as well as key parameters monitoring including output voltage, current and an optional external temperature. Response to fault conditions can be set to either restart, latch-OFF or ignore depending on system requirements.
Single thermal pad
Integrated 5.5 and 2mR stacked NexFET™ power stage
Lossless low-side MOSFET current sensing
Voltage mode control with input feed-forward
Differential remote sensing
Monotonic start-up into pre-biased output
Output voltage and output current reporting
External temperature monitoring with 2N3904 transistor
Programmable via the PMBus interface - Overcurrent protection with thermal compensation
UVLO, soft-start and soft-stop
PGOOD, OV, UV and OT levels
Fault responses
Turn-ON and turn-OFF delays
Thermal shutdown
Frequency synchronization to an external clock
500 to 1500mV Reference for adaptive voltage scaling (AVS) and margining through PMBus
0.5% Reference accuracy at 600mV and above

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TPS544B25RVFT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	40 Pin
Case/Package	LQFN-40
Number of Outputs	1 Output
Output Voltage	0.5V ~ 5.5V
Output Current	20 A
Number of Positions	40 Position
Quiescent Current	9.50 mA
Number of Regulated Outputs	1 Output
Switching Frequency	1 MHz
Topology	Buck
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	5.5 V
Output Voltage (Min)	500 mV
Output Current (Max)	20 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	4.5 V
Input Voltage	18 V
	Show
Size-Width	5.15 mm
Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance Edition	2015/06/15

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