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TPS40193DRCR - TI
Manufacturer:
TI
ManyChip's Part#:
MC5654989
Category:
Voltage Regulator
Package:
VSON-10
Datasheet:
Datasheet 3D Model
Description:
DC-DC Controller (External Switch) 4.5V to 18V Input, Low Pin Count Synchronous Buck Controller with Power Good DC DC Cntrlr Single-OUT Sync Buck 4.5V to 18V Input 10Pin VSON EP T/R
Stock Locations:
Availability:
860 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 1.58

Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

TPS40192 and TPS40193 are cost-optimized synchronous buck controllers that operate from 4.5 V to 18 V input. These controllers implement a voltage-mode control architecture with the switching frequency fixed at either 600 kHz (TPS40192) or 300 kHz (TPS40193). The higher switching frequency facilitates the use of smaller inductor and output capacitors, thereby providing a compact power-supply solution. An adaptive anti-cross conduction scheme is used to prevent shoot through current in the power FETs.
Short circuit detection is done by sensing the voltage drop across the low-side MOSFET when it is on and comparing it with a user selected threshold of 100 mV, 200 mV or 280 mV. The threshold is set with a single external resistor connected from COMP to GND. This resistor is sensed at startup and the selected threshold is latched. Pulse-by-pulse limiting (to prevent current runaway) is provided by sensing the voltage across the high-side MOSFET when it is on and terminating the cycle when the voltage drop rises above a fixed threshold of 550 mV. When the controller senses an output short circuit, both MOSFETs are turned off and a timeout period is observed before attempting to restart. This behavior provides limited power dissipation in the event of a sustained fault.

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TPS40193DRCR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	VSON-10
Supply Voltage (DC)	4.50V (min)
Number of Outputs	1 Output
Output Voltage	0.591V ~ 14.4V
Output Current	20 A
Power Dissipation	2610 mW
Quiescent Current	2.50 mA
Number of Regulated Outputs	1 Output
Switching Frequency	300 kHz
Thermal Shutdown	Yes
Topology	Buck
Duty Cycle	85 %
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Current (Max)	20 A
Maximum Duty Cycle	0.85
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	2610 mW
Supply Voltage	4.5V ~ 18V
Supply Voltage (Max)	18 V
Supply Voltage (Min)	4.5 V
Input Voltage	4.5V ~ 18V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

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