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DRV110

Texas Instruments
Part Number DRV110
Manufacturer Texas Instruments
Description 6- to 48-V DC Current Controller
Published May 25, 2023
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design DRV110 SLVSBA8G...
Datasheet PDF File DRV110 PDF File

DRV110
DRV110


Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design DRV110 SLVSBA8G – MARCH 2012 – REVISED MARCH 2018 DRV110 120- and 230-V AC, 6- to 48-V DC Current Controller for Solenoids, Relays, and Valves 1 Features •1 Internal Zener Diode on Supply Pin for HighVoltage Operation – 120- and 230-V AC Supply Through Rectifier and RS Resistor – 24-V, 48-V, and Higher DC Supply Through RS Resistor • Drives an External MOSFET With PWM to Control Solenoid Current – External Sense Resistor for Regulating Solenoid Current • Fast Ramp-Up of Solenoid Current to Ensure Activation • Solenoid Current is Reduced in Hold Mode for Lower Power and Thermal Dissipation • Ramp Peak Current, Keep Time at Peak Current, Hold Current, and PWM Clock Frequency Can Be Set Externally.
They Can Also Be Operated at Nominal Values Without External Components.
• Protection – Thermal Shutdown – Undervoltage Lockout (UVLO) • Optional STATUS Output • Operating Temperature Range: –40ºC to +125ºC • 8-Pin and 14-Pin TSSOP Package Options 2 Applications • Electromechanical Drivers: Solenoids, Valves, Relays, Contactors, Switchgear, Pneumatics • White Goods, Solar, Transportation, Smart Grid, Power Distribution 3 Description The DRV110 device is a PWM current controller for solenoids.
The device is designed to regulate the current with a well-controlled waveform to reduce power dissipation.
The solenoid current is ramped up fast to ensure opening of the valve or relay.
After initial ramping, the solenoid current is kept at a peak value to ensure correct operation, after which the current is reduced to a lower hold level to avoid thermal problems and reduce power dissipation.
The peak current duration is set with an external capacitor.
The peak and hold levels of the current ramp, as well as the PWM frequency, can independently be set with external resistors.
External setting resistors can also be omitted if the default values for the corresponding parameters are...


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