Power Management

Power Supply Convertors

Fremont Micro Devices technologies are tailored to create Power Management IC’s which enable compact, high-efficiency, cost-effective power supply- power converters for a wide range of consumer, industrial, power, battery management and lighting applications. Our products are designed to meet the needs of various low power low voltage designs that need  high quality/reliability specifications that satisfy today’s greener and safety first demands. 


Battery Charger Integrated Circuits

Fremont Micro Devices provides battery management IC to insure your system can achieve features such as high efficiency, power control and full protection with very compact size. Our IC solutions are used for Battery chargers, and many additional products that require sophisticated battery management. 


Power Management Integrated Circuits

Fremont Micro Devices provides battery management IC to insure your system can achieve features such as high efficiency, power control and full protection with very compact size. Our IC solutions are used for Battery chargers, and many additional products that require sophisticated battery management. 


Battery Charger Adaptor - Data Sheets

  Device-   MOSFET,   System Power,   Package

 FT838NB-Internal NPN, Power 5W, SOP-8 

FT838D- External MOSFET, Power 30W, SOT23-5

 FT838MBD- Internal MOSFET, Power 10W, DIP-8 

FT839D- Internal MOSFET, Power 30W, SOT23-5

 FT839MB- Internal MOSFET, Power 7.5W, SOP-8 

FT839MD- Internal MOSFET, Power 17W, DIP-8

 FT838MBD-Internal MOSFET, Power 10W DIP-8

 FT839NA- Internal NPN, Power 5W, SOP-8 

FT839NB- Internal NPN, Power 6W, SOP-8 

FT839NDD- Internal NPN, Power 12W, DIP-8 

FT8492- SSR, Internal MOSFET, Power 50W, SOT23-5  

Battery Charger - Application Notes

Design Process of  External Circuits with Application  Cases 

FT838D/R Application Note Features and Working Principles

FT838NB/RNA Application Note Features And Working Principles

Switching Regulator DC/DC Convertors

 

 The FT44x Family is a 1.5MHz constant frequency, slope compensated current mode step down converter. It is ideal for portable equipment requiring very high current up to 0.9A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions.  

 

FT440AA-Step Down, Vin 2.5 to 5.5V, Vout Variable (Vin), iMax 600uA, SOT23-5

FT440AC- Step Down, Vin 2.5 to 5.5V, Vout Fixed 1.8V, iMax 600uA, SOT23-5

FT441AA-Step Down, Vin 2.5 to 5.5V, Vout Variable (Vin), iMax 900uA, SOT23-5

Linear Regulator

The FT531 and FT533 are Low Noise High PSRR 250mA and 400mA Linear Regulators. That target Portable RF and Wireless applications.


FT531- 250uA Ultra Low Noise LDO for RF Designs, Available Operating range  FT531AA-1.2V, FT531GA-2.8V, FT531 IA-3.0V

FT533- 400uA Ultra Fast Start Up LDO targets Portable and wireless designs. Operating Range FT533DA-1.8V, FT533GA-2.8V

Home Appliance Solutions

High Precision, High Efficiency Off Line Power Switch. Replaces Linear RCC    
 

FT8400-Buck, Intergated MOSFET, 5V/9V/12V Selectable Out, SOP-8- SOT23-5

FT8410- Buck, Integrated MOSFET,  Fixed  5VOut, TO92 and SOT89-3 Package

FT8411- Buck, Integrated MOSFET, Fixed 12VOut, TO92 and SOT89-3 Package