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Product Detailed Parameters
- Description：PROTOTYPE
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Type：General Purpose
- Number of Elements：4
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：2V ~ 30V, ±1V ~ 15V
- Voltage - Input Offset (Max)：7mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-TSSOP
- Grade：-
- Qualification：-
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Overview
The LM2901QPWRRB is a quad automotive comparator from the LM2901-Q1 family, manufactured by Texas Instruments. It features four independent voltage comparators operating within a supply voltage range of 2V to 36V and an ambient temperature range of -40°C to +125°C. The device is AEC-Q100 Grade 1 qualified with HBM ESD classification Level 2 and CDM Level C3. It utilizes a TSSOP-14 package and provides open-drain outputs compatible with TTL, MOS, and CMOS logic families.
Feature Summary
- AEC-Q100 Grade 1 qualification for automotive environments
- Wide single or dual supply operation up to 36V
- Open-drain output configuration supporting wired-AND functionality
- Common-mode input voltage range includes ground
Applications
- HEV/EV and power train systems
- Infotainment and cluster applications
- Body control modules
Procurement Notes
Verify the specific suffix RB against the manufacturer's official orderable addendum to confirm exact packaging details such as reel size or tape width. Ensure the component meets the required AEC-Q100 Grade 1 specifications for your target application environment. Cross-reference the datasheet revision history to confirm the current production status and any recent design changes.
Selection Notes
Select this component when high supply voltage tolerance up to 36V is required in an automotive setting. The open-drain output allows flexible logic level interfacing through external pull-up resistors. Consider the TSSOP-14 package dimensions for PCB layout constraints. Verify that the input common-mode voltage requirements align with the system's signal levels relative to the negative rail.
Part Context
This part belongs to the LM2901-Q1 quadruple comparator family designed for cost-sensitive automotive applications. It serves as a next-generation upgrade offering improved ESD performance and lower propagation delay compared to legacy versions. The family includes variants like the LM2901B-Q1 and LM2901AV-Q1, differentiated by offset voltage and ESD ratings.
Replacement Considerations
The LM2901B-Q1 is documented as a drop-in replacement within the same family. Verify pinout compatibility and electrical characteristics such as input offset voltage and response time before substitution.
