MAX16989BATJC/V+T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX16989BATJC/V+T is a regulating and switching controller for single-ended or double-ended DC-DC power converters. It is composed of two integrated switching regulator systems: one for powering discrete external pass components, and a second set for one or two integrated buck/boost output stages. It belongs to a family of products called DC-DC switching controllers and is specifically designed for applications requiring low power and long battery life.

The MAX16989BATJC/V+T has a wide voltage supply range, from 2.7 V to 5.5 V, making it suitable for battery-powered applications. It integrates PWM current-mode control and low-noise emulated-current-mode control (ECM) into a single IC, and is also equipped with a comprehensive set of protection features to help ensure stable operation under dynamic load and battery voltage conditions.

The controller operates in a master/slave architecture. The master system controls the buck/boost output stages, while the slave system controls the gate of the external pass components. The integrated high-side gate driver of the MAX16989BATJC/V+T is capable of driving loads up to 3A while the slave gate driver can drive up to 2.2A. Both gates can be put in parallel to drive higher load currents.

The MAX16989BATJC/V+T has comprehensive input/output protection features, such as undervoltage lockout, cycle-by-cycle current limiting, and thermal shutdown. The device also integrates a rail-rail reverse current detection. This feature helps protect the battery by detecting and disabling the converter when reverse current flows through the battery.

The MAX16989BATJC/V+T is ideal for a range of low-power applications, such as battery-powered mobile phones, portables, and handheld devices. It helps improve battery life by reducing power consumption while ensuring quiet transition between supply rails. The device also ensures full synchronization capability with other DC-DC switching regulators, helping designers optimize response time, accuracy, and efficiency.

The MAX16989BATJC/V+T has two operating modes for optimized performance and can be configured via an I2C or SMA interface. The operating modes are voltage-mode control (V_C) and current-mode control (I_C). In V_C mode, the MAX16989BATJC/V+T can be used as an intelligent voltage regulator, while in I_C mode, the device can be used as a PWM or emulated-current-mode (ECM) controller.

In V_C mode, the device will regulate the output voltage with a precision of ±10 mV. It can also operate in either linearV_C mode or switch mode (also known as pulse width modulation, orPWM). In linear V_C mode, the controller regulates its output according to the reference voltage and load conditions. In PWM mode, the output voltage is regulated according to the reference voltage and the desired switching frequency.

In the I_C mode, the device provides both frequency-mode control (FMC) and emulated-current-mode control (ECM). FMC is used for single-ended and double-ended converters where the desired output frequency is known, while ECM is used for synchronous converters in which the output voltage is controlled by an external feedback signal. ECM improves the accuracy of the controlled output and helps minimize current switching losses.

The MAX16989BATJC/V+T is a customizable, low-power DC-DC switching controller, ideal for battery-powered, low power applications. Its wide input voltage range, adjustable switching frequency, and integrated protection features make it an ideal solution for a wide range of applications. With its optimized operating modes, manufacturers can maximize their design performance while ensuring a quiet transition between supply rails.

The specific data is subject to PDF, and the above content is for reference