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LP876441B1RQKRQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 20A QUAD 32QFN. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LP876441B1RQKRQ1
- Description：IC REG BUCK ADJ 20A QUAD 32QFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：4
- Voltage - Input (Min)：2.8V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.3V
- Voltage - Output (Max)：3.34V
- Current - Output：20A
- Frequency - Switching：2.2MHz, 4.4MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：32-PowerVFQFN
- Supplier Device Package：32-QFN (5.5x5)
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LP876441B1RQKRQ1
Voltage Regulators - DC DC Switching Regulators Overview
The LP876441B1RQKRQ1 is an automotive PMIC designed for SoCs up to ASIL D. It integrates four 5-A/20-A multiphase buck converters in a 32-pin VQFN-HR (RQK) package. The device operates within a temperature range of -40°C to 125°C and supports adjustable output voltages starting from 0.3V. It features integrated switches and is qualified under AEC-Q100 standards for automotive reliability.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrates four independent multiphase buck converters with integrated power switches
- Designed for high-current applications supporting System-on-Chip (SoC) power requirements
- Automotive-grade qualification ensuring reliability in harsh operating environments
Voltage Regulators - DC DC Switching Regulators Applications
- Power management for automotive System-on-Chips (SoCs)
- ASIL D compliant power distribution networks
- High-performance embedded controller power supplies
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the complete part number including suffixes such as RQK for packaging and Q1 for automotive grade. Confirm RoHS compliance status through official documentation. Ensure compatibility with your PCB footprint specifications for the 32-pin VQFN-HR package before ordering.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when designing power systems requiring multiple high-current rails for automotive processors. The integrated multiphase architecture reduces external component count compared to discrete solutions. Verify that the required current per phase aligns with the 5-A or 20-A capabilities defined in the datasheet.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LP8764-Q1 family of power management ICs from Texas Instruments. It is specifically engineered for automotive applications, distinguishing itself from general-purpose regulators by its robustness and safety integrity level support. The RQK suffix indicates the specific tape-and-reel packaging format used for surface-mount assembly.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult the official TI substitution guide for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering similar multiphase buck controllers.
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