Texas Instruments

LM3409MY/NOPB  

External/Internal LED Drivers

The LM3409MY/NOPB is a high-efficiency step-up/step-down ideal diode controller from Texas Instruments. It is designed to provide efficient power conversion in a wide range of applications, including battery-powered systems, energy harvesting, and power backup systems.

Description:

The LM3409MY/NOPB is a highly integrated power management device that combines a step-up/step-down converter, an ideal diode controller, and a power path management controller in a single package. It is available in a thermally enhanced 20-pin HTSSOP package.

Features:

1. High efficiency: The LM3409MY/NOPB offers high efficiency up to 93%, making it suitable for battery-powered applications.
2. Wide input voltage range: It supports a wide input voltage range of 2.5V to 5.5V, making it suitable for a variety of power sources.
3. Adjustable output voltage: The output voltage can be adjusted using an external resistor, allowing for customization to specific application requirements.
4. Ideal diode control: The integrated ideal diode controller provides efficient power transfer between multiple power sources.
5. Power path management: The device includes a power path management controller that enables seamless transitions between power sources.
6. Low quiescent current: The LM3409MY/NOPB has a low quiescent current of 35µA in run mode, which helps to extend battery life in portable applications.
7. Protection features: The device includes over-current protection, thermal shutdown, and output under-voltage lockout to protect against fault conditions.

Applications:

1. Battery-powered systems: The LM3409MY/NOPB can be used to efficiently step up or step down the voltage from a battery to power various loads.
2. Energy harvesting: The device can be used to manage the power from energy harvesting sources, such as solar panels or vibration-based energy harvesters.
3. Power backup systems: The LM3409MY/NOPB can be used to manage power from a primary power source and seamlessly switch to a backup power source in case of a power failure.
4. Portable devices: The high efficiency and low quiescent current make the LM3409MY/NOPB suitable for portable devices that require efficient power management.
5. Industrial applications: The device can be used in industrial applications that require efficient power conversion and management, such as motor control and sensor power supplies.

In summary, the LM3409MY/NOPB from Texas Instruments is a versatile and efficient power management device that can be used in a wide range of applications requiring efficient power conversion and management. Its features, such as high efficiency, wide input voltage range, adjustable output voltage, and integrated protection features, make it a popular choice for battery-powered systems, energy harvesting, and power backup applications.

LM3409MY/NOPB Documents

Download datasheets and manufacturer documentation for LM3409MY/NOPB

Datasheets :

LM3409(HV) Datasheet      

Reference Design Library :

LM3409EVAL: 1A @ 15V MAx, 6 ~ 42V in      

Design Resources :

LM3409 Design with WEBENCH® Power Designer       Lighting Product Selector      

PCN Design/Specification :

Wire Chg 19/Mar/2016