LM74700QDBVRQ1 Diode Controller: 12V, Pinout, Datasheet
0.95mm PMIC Automotive, AEC-Q100 Series LM74700 6 Pin 12V SOT-23-6
The LM74700QDBVRQ1 is an automotive AEC Q100 qualified ideal diode controller. The article is going to introduce its pinout, features, etc.
- LM74700QDBVRQ1 Description
- LM74700QDBVRQ1 Pinout
- LM74700QDBVRQ1 CAD Model
- LM74700QDBVRQ1 Features
- LM74700QDBVRQ1 Recommended Operating Conditions
- LM74700QDBVRQ1 Equivalents
- Specifications
- LM74700QDBVRQ1 Applications
- LM74700QDBVRQ1 Typical Application Circuit
- LM74700QDBVRQ1 Package
- LM74700QDBVRQ1 Manufacturer
- Trend Analysis
- Parts with Similar Specs
- Datasheet PDF
LM74700QDBVRQ1 Description
The LM74700QDBVRQ1 is an automotive AEC Q100 qualified ideal diode controller that functions as an ideal diode rectifier in conjunction with an external N-channel MOSFET to provide low loss reverse polarity protection with a 20-mV forward voltage drop. Many standard DC bus voltages, such as 12-V, 24-V, and 48-V automotive battery systems, can be controlled by the wide supply input range of 3.2 V to 65 V. The 3.2-V input voltage support is ideal for harsh cold crank needs in automobile systems. The device is capable of withstanding and protecting loads from negative supply voltages as low as –65 V.
LM74700QDBVRQ1 Pinout

LM74700QDBVRQ1 CAD Model
Symbol

Footprint

3D Model

LM74700QDBVRQ1 Features
• AEC-Q100 qualified with the following results
– Device temperature grade 1:
–40°C to +125°C ambient operating temperature range
– Device HBM ESD classification level 2
– Device CDM ESD classification level C4B
• Functional Safety-Capable
– Documentation available to aid functional safety system design
• 3.2-V to 65-V input range (3.9-V start up)
• –65-V reverse voltage rating
• Charge pump for external N-Channel MOSFET
• 20-mV ANODE to CATHODE forward voltage drop regulation
• Enable pin feature
• 1-µA shutdown current (EN=Low)
• 80-µA operating quiescent current (EN=High)
• 2.3-A peak gate turnoff current
• Fast response to reverse current blocking:< 0.75 µs
• Meets automotive ISO7637 transient requirements with a suitable TVS Diode
• Available in 6-pin and 8-pin SOT-23 Package 2.90mm × 1.60 mm
LM74700QDBVRQ1 Recommended Operating Conditions
| MIN | NOM | MAX | ||
| ANODE to GND | -60 | 60 | ||
| Input Pins | CATHODE to GND | 60 | ||
| EN to GND | -60 | 60 | ||
| Input to Output pins | ANODE to CATHODE | -70 | ||
| External | ANODE | 22 | ||
| capacitance | CATHODE, VCAP to ANODE | 0.1 | ||
| External MOSFET max VGS rating | GATE to ANODE | 15 | ||
| Tj | Operati ng jun cti on temperature ran ge(2) | -40 | 150 | |
LM74700QDBVRQ1 Equivalents
| Part Number | Description | Manufacturer |
| MP6420GJ-ZPOWER CIRCUITS | Power Management Circuit, | Monolithic Power Systems |
| TPS2373-4RGWTPOWER CIRCUITS | IEEE 802.3bt PoE high-power PD interface with advanced startup 20-VQFN -40 to 125 | Texas Instruments |
| MP6420GJ-445POWER CIRCUITS | Power Management Circuit, | Monolithic Power Systems |
| LM74700QDBVTQ1POWER CIRCUITS | 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller 6-SOT-23 -40 to 125 | Texas Instruments |
| MP6420GJPOWER CIRCUITS | Power Management Circuit, | Monolithic Power Systems |
| TPS2373-4RGWRPOWER CIRCUITS | IEEE 802.3bt PoE high-power PD interface with advanced startup 20-VQFN -40 to 125 | Texas Instruments |
Specifications
- TypeParameter
- Lifecycle Status
Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.
ACTIVE (Last Updated: 6 days ago) - Factory Lead Time6 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
SOT-23-6 - Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
YES - Number of Pins6
- Usage LevelAutomotive grade
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~125°C TJ - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tape & Reel (TR) - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
Automotive, AEC-Q100 - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e4 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
yes - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
2 (1 Year) - Number of Terminations6
- TypeN+1 ORing Controller
- Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Nickel/Palladium/Gold (Ni/Pd/Au) - Applications
The parameter "Applications" in electronic components refers to the specific uses or functions for which a component is designed. It encompasses various fields such as consumer electronics, industrial automation, telecommunications, automotive, and medical devices. Understanding the applications helps in selecting the right components for a particular design based on performance, reliability, and compatibility requirements. This parameter also guides manufacturers in targeting their products to relevant markets and customer needs.
Automotive - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
3.2V~65V - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
GULL WING - Number of Functions1
- Supply Voltage
Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.
12V - Terminal Pitch
The center distance from one pole to the next.
0.95mm - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
LM74700 - Supply Voltage-Min (Vsup)
The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.
4V - Number of Channels1
- Adjustable Threshold
The "Adjustable Threshold" parameter in electronic components refers to the ability to manually set or modify the threshold level at which a specific function or operation is triggered. This feature allows users to customize the sensitivity or activation point of the component according to their specific requirements or preferences. By adjusting the threshold, users can fine-tune the performance of the component to suit different applications or environmental conditions. This flexibility in threshold adjustment can be particularly useful in various electronic devices and systems where precise control over triggering levels is necessary for optimal functionality.
NO - FET Type
"FET Type" refers to the type of Field-Effect Transistor (FET) being used in an electronic component. FETs are three-terminal semiconductor devices that can be classified into different types based on their construction and operation. The main types of FETs include Metal-Oxide-Semiconductor FETs (MOSFETs), Junction FETs (JFETs), and Insulated-Gate Bipolar Transistors (IGBTs).Each type of FET has its own unique characteristics and applications. MOSFETs are commonly used in digital circuits due to their high input impedance and low power consumption. JFETs are often used in low-noise amplifiers and switching circuits. IGBTs combine the high input impedance of MOSFETs with the high current-carrying capability of bipolar transistors, making them suitable for high-power applications like motor control and power inverters.When selecting an electronic component, understanding the FET type is crucial as it determines the device's performance and suitability for a specific application. It is important to consider factors such as voltage ratings, current handling capabilities, switching speeds, and power dissipation when choosing the right FET type for a particular circuit design.
N-Channel - Ratio - Input:Output
The parameter "Ratio - Input:Output" in electronic components refers to the relationship between the input and output quantities of a device or system. It is a measure of how the input signal or energy is transformed or converted into the output signal or energy. This ratio is often expressed as a numerical value or percentage, indicating the efficiency or effectiveness of the component in converting the input to the desired output. A higher ratio typically signifies better performance or higher efficiency, while a lower ratio may indicate losses or inefficiencies in the conversion process. Understanding and optimizing the input-output ratio is crucial in designing and evaluating electronic components for various applications.
1:1 - Internal Switch(s)
The term "Internal Switch(s)" in electronic components typically refers to a built-in mechanism within a device that allows for the control of electrical current flow. These internal switches can be used to turn circuits on or off, change the direction of current, or regulate the flow of electricity within the component. They are often designed to be controlled externally, either manually or automatically, to enable various functions or operations within the electronic device. Internal switches play a crucial role in the overall functionality and performance of electronic components by providing a means to manage and manipulate electrical signals effectively.
No - Delay Time - OFF
Delay Time - OFF is a parameter in electronic components that refers to the time it takes for a device to turn off after a specific trigger or input signal is removed. This parameter is crucial in determining the response time of the component and is often specified in datasheets for transistors, relays, and other devices. A shorter delay time-off indicates a faster response of the component to switch off, while a longer delay time-off may result in a delay in deactivating the device. It is important to consider the delay time-off when designing circuits to ensure proper functionality and timing requirements are met.
450ns - Delay Time - ON
Delay Time - ON is a parameter in electronic components that refers to the time it takes for a device to transition from an off state to an on state after a specific input signal is applied. This parameter is crucial in determining the response time of the component and is often specified in datasheets to provide information on the device's performance characteristics. A shorter delay time indicates a faster response, while a longer delay time may result in slower switching speeds. Designers and engineers use this parameter to ensure proper timing and functionality of electronic circuits and systems.
1.4μs - Height1.45mm
- Length2.9mm
- Width1.6mm
- Thickness
Thickness in electronic components refers to the measurement of how thick a particular material or layer is within the component structure. It can pertain to various aspects, such as the thickness of a substrate, a dielectric layer, or conductive traces. This parameter is crucial as it impacts the electrical, mechanical, and thermal properties of the component, influencing its performance and reliability in electronic circuits.
1.2mm - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
LM74700QDBVRQ1 Applications
• Automotive ADAS systems - camera
• Automotive infotainment systems - digital cluster,
head unit
• Industrial factory automation - PLC
• Enterprise power supplies
• Active ORing for redundant power
LM74700QDBVRQ1 Typical Application Circuit

LM74700QDBVRQ1 Typical Application Circuit
LM74700QDBVRQ1 Package

LM74700QDBVRQ1 Manufacturer
Texas Instruments Incorporated (TI) is an American technology company based in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top 10 semiconductor companies worldwide based on sales volume. The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and education technology products including calculators, micro-controllers, and multi-core processors. The company boasts 45,000 patents around the globe as of 2016.
Trend Analysis
Parts with Similar Specs
What is LM74700QDBVRQ1 ?
The LM74700QDBVRQ1 is an automotive AEC Q100 qualified ideal diode controller that functions as an ideal diode rectifier in conjunction with an external N-channel MOSFET to provide low loss reverse polarity protection with a 20-mV forward voltage drop. Many standard DC bus voltages, such as 12-V, 24-V, and 48-V automotive battery systems, can be controlled by the wide supply input range of 3.2 V to 65 V. The 3.2-V input voltage support is ideal for harsh cold crank needs in automobile systems. The device is capable of withstanding and protecting loads from negative supply voltages as low as –65 V.
What is the recommended operating temperature of the component?
-40°C~125°C TJ.
What is the package of the device?
SOT-23-6.
What is the component’s number of terminations?
6.
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