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Microchip HV9901 | Demoboard MCP1663 USB Programmable Power Supply Demo
Universal Relay Driver Reference Design
Overview
| Topology | Other Topology |
| IC revision | A |
Description
The HV9901 universal relay driver provides high-efficiency driving for low-voltage relays with supply voltages as high as 450V. For example, a relay with a 5V coil can be driven directly from the rectified 120 VAC or 230 VAC line.The IC includes two high-voltage linear regulators. The first one is for providing power to internal control circuitry. The second one has an adjustable output voltage and a 1 mA output current capability to support external circuitry, such as a microcontroller control circuit.The pull-in current, pull-in time and hold current for the relay are individually programmable through two resistors and a capacitor. PWM switching can be synchronized with an external clock or with another HV9901 operating at a higher frequency.The relay is operated through the enable input ENI. Logic polarity is under control of the polarity input POL. Audible noise coming from the relay can be suppressed by operating at a PWM frequency exceeding 20 kHz.
Features
- 10V to 450V Input Voltage Range
- Energy-saving Hold Current Mode
- Adjustable Microcontroller Supply
- Low Supply Current <1 mA
- Constant-current Coil Drive
- Programmable Pull-in Current, Pull-in Time and Hold Current
Typical applications
- Industrial Controls, Relay Timers, Solenoid Drivers, Home Automation
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | Fl(mm) | Packaging | Interface Type | Gender | Mount | PCB Thickness(mm) | IR(A) | Working Voltage(V (AC)) | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Vaporphase process | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | PackagingBag | – | GenderPin Header | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | PackagingBag | – | GenderPin Header | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | |||
 | WR-TBL Series 1377 - Wire Protector 5.00mm pitch - Horizontal cable entry - THT, 3, Wire Protector | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins3 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | Wire Section 12 to 30 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +110 °C | – | – | – | Length15 mm | – | – | PackagingBox | – | – | MountTHT | – | Rated Current24 A | Working Voltage250 V (AC) | Height11.5 mm | – | – | – | – | ||||
 | WR-PHD Pin Header - Single, 4, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | PackagingBag | – | GenderPin Header | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | |||
 | WR-USB Mini/Micro Connectors, 5, Micro USB 2.0 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | Pins5 | – | – | TypeHorizontal | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance1000 MΩ | – | – | – | – | PackagingTape and Reel | Interface TypeType AB | GenderReceptacle | MountSMT | PCB Thickness1.2 mm | Rated Current1.8 A | Working Voltage30 V (AC) | – | – | – | – | – | |||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Downloads26 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | – | PackagingTape and Reel | – | – | MountSMT | – | – | – | Height0.7 mm | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | – | PackagingTape and Reel | – | – | MountSMT | – | – | – | Height0.7 mm | – | – | – | – | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Height0.8 mm | – | – | – | – | |||||
 | WS-TASV SMT Tact Switch 6x6 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV SMT Tact Switch 6x6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance100 MΩ | – | – | – | – | PackagingTape and Reel | – | – | – | – | Rated Current0.05 A | – | Height4.3 mm | Operation Force160 g | Electrical Life1000000 Cycles | Actuator ColorBlack | Vaporphase processnot specified |