LM74700QDBVTQ1

OR Controllers, Ideal Diodes Overview

The LM74700QDBVTQ1 is a low IQ ideal diode controller designed for automotive applications, certified to AEC-Q100 Grade 1 standards. It operates with an input voltage range of 3.2V to 65V and supports a junction temperature range from -40°C to 125°C. The device features a single channel configuration in a SOT-23-6 surface-mount package. Key electrical parameters include a typical quiescent current of 80µA when enabled, a maximum supply current of 130mA, and a peak gate drive current of 2.3A. It provides fast reverse current blocking response times under 0.75µs and regulates forward voltage drop to approximately 20mV.

OR Controllers, Ideal Diodes Feature Summary

• Provides reverse polarity protection and active ORing functionality using external N-channel MOSFETs
• Features ultra-low quiescent current consumption to minimize standby power loss
• Delivers rapid reverse current blocking response to maintain output stability during faults
• Includes integrated charge pump gate driver for efficient high-side N-channel control

OR Controllers, Ideal Diodes Applications

• Automotive ADAS systems including camera modules
• Automotive infotainment systems such as digital clusters and audio hosts
• Industrial factory automation PLCs
• Enterprise power supplies
• Active ORing configurations for redundant power sources

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix QDBVTQ1 against official Texas Instruments documentation to confirm the exact tape-and-reel packaging quantity and marking code. Ensure the component meets the required AEC-Q100 Grade 1 qualification for your target automotive environment. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

OR Controllers, Ideal Diodes Selection Notes

Select this controller when designing systems requiring low static current draw and robust reverse battery protection. It is suitable for applications needing fast transient response to ISO7637 pulses or micro-short conditions. Consider the SOT-23-6 footprint constraints and the necessity of pairing with appropriate external N-channel MOSFETs. Evaluate the 3.2V minimum start-up voltage against your system's cold-cranking requirements.

OR Controllers, Ideal Diodes Part Context

This component belongs to the LM74700-Q1 family of ideal diode controllers manufactured by Texas Instruments. It is specifically engineered for harsh automotive environments, offering enhanced reliability compared to standard commercial variants. The device complements other PMIC solutions by providing dedicated power path management capabilities without integrating the main power switch internally.

OR Controllers, Ideal Diodes Replacement Considerations

LM74700QDBVRQ1