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Product Detailed Parameters
- Description：IC OR CTRLR N+1 6SOT
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：N+1 ORing Controller
- FET Type：N-Channel
- Ratio - Input:Output：N:1
- Internal Switch(s)：No
- Delay Time - ON：-
- Delay Time - OFF：486 ns
- Current - Output (Max)：-
- Current - Supply：130 µA
- Voltage - Supply：5V ~ 75V
- Applications：Redundant Power Supplies
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：SOT-23-THIN
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LM5050Q1MKX-1/NOPB is an automotive-grade high-side OR-ing FET controller manufactured by Texas Instruments. It operates within a supply voltage range of 5V to 75V and features a quiescent current of 400 µA. The device is housed in a SOT-23-Thin-6 package and supports surface-mount installation. It is qualified under AEC-Q100 standards, ensuring reliability for automotive applications. The operational temperature range extends from -40°C to +125°C, providing robust performance in demanding environments.
Feature Summary
- Automotive-grade qualification compliant with AEC-Q100 standards
- High-side N-channel FET control for redundant power architectures
- Wide input voltage capability supporting 5V to 75V systems
- Low quiescent current design optimizing standby power consumption
Applications
- Automotive battery backup systems
- Vehicle infotainment power distribution
- ADAS sensor power management
- Redundant power supplies in electric vehicles
Procurement Notes
Verify the specific suffix 'Q1' confirms automotive grade AEC-Q100 qualification distinct from commercial variants. Ensure the 'MKX' designation matches the required SOT-23-Thin-6 tape-and-reel packaging format. Confirm RoHS compliance status aligns with environmental regulations for the target assembly region. Cross-reference the manufacturer part number against official TI databases to avoid counterfeit components.
Selection Notes
Select this component when designing for automotive environments requiring strict thermal and electrical reliability. The 400 µA quiescent current is suitable for low-power standby modes compared to higher-consumption alternatives. The wide voltage range accommodates various automotive bus architectures without additional level shifting. Ensure the external N-channel MOSFET selected matches the controller's gate drive capabilities and threshold requirements.
Part Context
This part belongs to the LM5050 family of OR-ing controllers, specifically tailored for automotive electronics. While the standard LM5050 serves general industrial applications, the Q1 variant undergoes rigorous testing for automotive durability. It complements other Texas Instruments power management solutions by providing precise load sharing and reverse current protection in multi-source power systems.
Replacement Considerations
LM5050MKX-1/NOPB (Commercial grade equivalent)
FAQ
What is the maximum operating temperature for this controller?
The LM5050Q1MKX-1/NOPB supports an extended junction temperature range up to 150°C, with an operational ambient range of -40°C to +125°C.
Does this device include an internal switch?
No, the LM5050Q1MKX-1/NOPB is a controller that requires an external N-channel MOSFET to handle the current path; it does not contain an integrated internal switch.
