MAX16932BATIU/V+T

Voltage - Supply (Vcc/Vdd):	3.5 V ~ 42 V
Supplier Device Package:	28-TQFN (5x5)
Package / Case:	28-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):	98.5%
Frequency - Switching:	1MHz ~ 2.2MHz, 500kHz ~ 1.1MHz
Series:	Automotive, AEC-Q100
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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MAX16932BATIU/V+T Application Field and Working Principle

Introduction

The MAX16932BATIU/V+T is a 4 MHz switching DC/DC controller from Maxim Integrated that offers improved power system performance, high efficiency, and superior thermal performance to simplify product design. This article will discuss the application field and working principle of the MAX16932BATIU/V+T.Application Field

The MAX16932BATIU/V+T is a 4 MHz switching DC/DC controller ideal for low-voltage, high current, and high power applications such as digital cameras and cellular phones. It supports a wide input range from 4.5 V to 16 V, allowing applications that include 12 V automotive, telecom, and industrial line power. It also provides a shutdown function and a wide range of output voltages up to 6V and 0.8 A.The MAX16932BATIU/V+T is an ideal controller for high efficiency, low noise, and high power applications. It is capable of 95% peak efficiency and provides a low standby current at 0.3 μA. It also uses a low on-resistance (RON) of 0.3 Ω to reduce power loss. Additionally, the device features low operating temperature, allowing designers to reduce the amount of external cooling required.Working Principle

The MAX16932BATIU/V+T uses a 4 MHz switching frequency to provide up to 95% peak efficiency and low operating temperature. The device implements a control loop based on average current mode control that allows quick and accurate loop compensation.The device monitors the average inductor current and regulates it by regulating the power switch. This helps provide the optimal operation point of the power pass device, resulting in better efficiency and better voltage regulation. In addition, the device uses adaptive body diode emulation (BDE) to provide excellent transient performance without the need for external components.The switching frequency of the MAX16932BATIU/V+T can also be adjusted via a resistor. This provides flexibility for designers to adjust the switching frequency to suit their application requirements. Additionally, the device provides additional features such as a full protection suite, programmable soft-start, and a programmable over-current protection.Conclusion

The MAX16932BATIU/V+T is a 4 MHz switching DC/DC controller ideally suited for low-voltage, high current, and high power applications. It is capable of 95% peak efficiency and offers a low operating temperature, low on-resistance, shutdown function and wide output voltage range. In addition, the device features an average current mode control, adaptive body diode emulation, adjustable switching frequency, and a full protection suite. This makes the device an ideal choice for high efficiency, low noise, and high power applications.

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