LP876411B5RQKRQ1

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Texas Instruments

4 5-A/20-A MULTIPHASE BUCK CONVERTERS PMIC FOR AUTOMOTIVE SOCS

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LP876411B5RQKRQ1

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Texas Instruments

4 5-A/20-A MULTIPHASE BUCK CONVERTERS PMIC FOR AUTOMOTIVE SOCS

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Description Specifications Series Pricing CAD Documents

Description

General part information

LP8764-Q1 Series

The LP8764-Q1 device is designed to meet the power management requirements of the latest processors and platforms in various safety-relevant automotive and industrial applications. The device has four step-down DC/DC converter cores, that are configurable for five different phase configurations from one 4-phase output to four 1-phase outputs. The device settings can be changed by I2C-compatible serial interface or by a SPI serial interface.

The automatic PFM/PWM (AUTO mode) operation together with the automatic phase adding and phase shedding maximizes efficiency over a wide output-current range. The LP8764-Q1 device supports remote differential voltage sensing for multiphase outputs to compensate IR drop between the regulator output and the point-of-load (POL) that improves the accuracy of the output voltage. The switching clock can be forced to PWM mode and the phases are interleaved. The switching can be synchronized to an external clock and spread-spectrum mode can be enabled to minimize the disturbances.

Technical Specifications

Parameters and characteristics for this part

Specification	LP876411B5RQKRQ1

Current - Output	20 A
Frequency - Switching	2.2 MHz, 4.4 MHz
Function	Step-Down
Grade	Automotive
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	4
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	32-PowerVFQFN
Package Length	5.5 mm
Package Name	32-QFN
Package Width	5 mm
Qualification	AEC-Q100
Synchronous Rectifier	No
Topology	Buck
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	2.8 V
Voltage - Output (Max)	3.34 V
Voltage - Output (Min/Fixed)	0.3 V

LP8764-Q1 Series

Part	Frequency - Switching	Voltage - Output (Min/Fixed)	Package / Case	Package Name	Package Width	Package Length	Function	Voltage - Input (Max)	Output Configuration	Synchronous Rectifier	Topology	Output Type	Grade	Mounting Type	Voltage - Input (Min)	Voltage - Output (Max)	Current - Output	Operating Temperature (Max)	Operating Temperature (Min)	Number of Outputs	Qualification
Texas Instruments LP876411B5RQKRQ1	2.2 MHz 4.4 MHz	0.3 V	32-PowerVFQFN	32-QFN	5 mm	5.5 mm	Step-Down	5.5 V	Positive	No	Buck	Adjustable	Automotive	Surface Mount Wettable Flank	2.8 V	3.34 V	20 A	125 °C	-40 °C	4	AEC-Q100
Texas Instruments LP876441B1RQKRQ1	2.2 MHz 4.4 MHz	0.3 V	32-PowerVFQFN	32-QFN	5 mm	5.5 mm	Step-Down	5.5 V	Positive	No	Buck	Adjustable	Automotive	Surface Mount Wettable Flank	2.8 V	3.34 V	20 A	125 °C	-40 °C	4	AEC-Q100
Texas Instruments LP876440C0RQKRQ1	2.2 MHz 4.4 MHz	0.3 V	32-PowerVFQFN	32-VQFN-HR	5 mm	5.5 mm	Step-Down	5.5 V	Positive	No	Buck	Programmable	Automotive	Surface Mount Wettable Flank	2.8 V	3.34 V	20 A	125 °C	-40 °C	4	AEC-Q100
Texas Instruments LP876411B4RQKRQ1	2.2 MHz 4.4 MHz	0.3 V	32-PowerVFQFN	32-QFN	5 mm	5.5 mm	Step-Down	5.5 V	Positive	No	Buck	Adjustable	Automotive	Surface Mount Wettable Flank	2.8 V	3.34 V	20 A	125 °C	-40 °C	4	AEC-Q100