Calculation tool
DRV110
Single-Channel Relay, Solenoid, Valve Low-Side Controller With Current Regulation
Data sheet
DRV110
- Internal Zener Diode on Supply Pin for High-Voltage 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
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 suitable for the application.
The DRV110 device has an internal Zener diode that limits the supply at VIN to VZENER for applications that require a higher supply voltage. Using the internal Zener, the DRV110 can be powered from 120-V and 230-V AC supplies through a rectifier and current-limiting resistor. High DC voltages such as 48-V can also be accommodated this way.
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Technical documentation
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View all 4 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DRV110 120- and 230-V AC, 6- to 48-V DC Current Controller for Solenoids, Relays, and Valves datasheet (Rev. G) | PDF | HTML | 28 Mar 2018 |
| Technical article | Liberate your solenoid or relay from the bonds of supply voltage | PDF | HTML | 16 Mar 2017 | |
| User guide | DRV110/DRV120 EVM User’s Guide (Rev. B) | 27 Jul 2012 | ||
| More literature | Smart Relays for Solar Inverters | 03 May 2012 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
DRV110EVM — DRV110 evaluation module
The DRV110EVM uses the DRV110A 14-pin TSSOP packaged version of DRV110 a power saving PWM solenoid driver. The EVM operates with full-rated performance either from a 7-48V DC, or 100-240V AC supply, enables easy control of all the adjustable device parameters and allows the connection of any (...)
User guide: PDF
Simulation model
DRV110 TINA-TI Reference Design (Rev. A)
SBWM004A.TSC (93 KB) - TINA-TI Reference Design
Simulation model
DRV110 TINA-TI Transient Spice Model (Rev. A)
SBWM003A.ZIP (45 KB) - TINA-TI Spice Model
Simulation model
DRV110 Unencrypted PSpice Transient Model Package (Rev. E)
SBWM002E.ZIP (25 KB) - PSpice Model
Reference designs
TIDA-00284 — Current Controlled Driver for 230V AC Solenoids Reference Design
TIDA-00284 proposes to integrate current control and plunger movement detection into an AC solenoid coil. This reference design provides a solution to control the solenoid current using a PWM-based controller along with a Hall sensor to detect plunger movement and switch from peak current to hold (...)
Reference designs
TIDA-01621 — Smart Holding Brake Controller Reference Design with Current Regulation for Servo Drives & Robotics
This reference design implements safe brake control functionality in servo drives as per IEC EN 61800-5-2 by providing two channel output signals to control an external holding brake. The holding brake will be latched when the power supply is cut off and released when voltage is applied to the (...)
Reference designs
TIDA-00289 — Current Controlled Driver for 24-V DC Solenoid with Plunger Fault Detection Reference Design
TIDA-00289 integrates current control and plunger movement detection into the solenoid coil. Various applications in the field of industrial automation and material processing will benefit from up to 70% reduced power consumption, accelerated process time, greatly simplified usage and enhanced (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| TSSOP (PW) | 14 | Ultra Librarian |
| TSSOP (PW) | 8 | Ultra Librarian |
Ordering & quality
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