MAX16930BATLW/V+

Voltage - Supply (Vcc/Vdd):	3.5 V ~ 42 V
Supplier Device Package:	40-TQFN (6x6)
Package / Case:	40-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable, Frequency Control, Power Good
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	95%
Frequency - Switching:	1MHz ~ 2.2MHz
Series:	Automotive, AEC-Q100
Output Phases:	2
Number of Outputs:	3
Topology:	Buck, Boost
Output Configuration:	Positive
Function:	Step-Up, Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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MAX16930BATLW/V+ Application Field and Working Principle

The MAX16930BATLW/V+ is an advanced DC-DC buck controller for automotive applications. It is part of a family ofProgrammable Switch-Mode Controllers (SMCs) and supervisory/sequential controllers.The MAX16930BATLW/V+ provides a number of features that make it applicable for a range of automotive applications. These features include the capability to program switch-mode controller parameters, the ability to provide electronic control of power switching elements and the ability to provide signal sequencing and signal control.The MAX16930BATLW/V+ is a part of the Programmable Switch-Mode Controller (PMSC) family. This family of highly integrated controllers is designed to provide robust and efficient control of automotive power management systems.

Working Principle

The MAX16930BATLW/V+ is a buck switching regulator that utilizes a current-mode control loop to switch a buck converter at a fixed frequency. A sampling of input voltage provides the necessary feedback for the controller to maintain a constant output voltage.The MAX16930BATLW/V+ uses an internal amplifier to compare the output voltage, to a user-selectable feedback voltage, at the reference pin of the IC. When the output voltage is above the desired level, the amplifiers output signal commands the PWM comparator to drive the power switching elements into a nonconductive state and causes the output voltage to decrease. When the output voltage is below the desired level, the amplifiers output signal commands the PWM comparator to switch the power switches and causes the output voltage to increase.The MAX16930BATLW/V+ also provides an Adaptive Voltage Positioning (AVP) feature. This feature allows the output voltage to be automatically adjusted to compensate for changes in external circuit conditions, such as load transients, line transients, Thermal Runaway and others.

Features and Benefits

The MAX16930BATLW/V+ offers a range of features and benefits that make it ideal for automotive power-management applications. These features include:

• Dynamic adaptive voltage positioning for improved efficiency
• Programmable switching frequency for optimizing efficiency
• Proven fault protection for over-voltage, under-voltage, over-temperature and over-current protection
• Multi-independent phase-driving capabilities for improved efficiency and system flexibility
• Integrated MOSFET drivers for improved reliability
• Remote-feedback sensing to optimize system performance
• Integrated soft-start capability for improved system startup performance
• Adjustable switching frequency for improved efficiency
• Integrated high-side current-sense for easier current regulation

The MAX16930BATLW/V+ is designed to meet the harsh thermal and electrical requirements of automotive systems. It is designed to work with a wide range of power switch elements, and its small form factor makes it well-suited for high-density automotive applications.

Conclusion

The MAX16930BATLW/V+ is an advanced DC-DC buck controller for automotive applications. It is optimized for use in harsh automotive environments and is capable of providing dynamic adaptive voltage positioning, programmable switching frequency and a range of features and benefits. Thanks to its features and small form factor, the MAX16930BATLW/V+ is ideal for high-density applications in the automotive industry.

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