3.3 v relay drivers

Twelve Low-Side Relay Drivers NCV The NCV is an automotive grade twelve channel low−side driver providing drive capability up to mA per channel. Output control is via a SPI communication and offers convenient reporting of • V and . More than a relay driver About this document Scope and purpose This application note describes the main features and system level benefits that SPIDER+ brings to automotive applications, with practical application examples and partitioning hints in order to maximize the value while • Digital supply voltage compatible with V and V. The MAX/MAX 8-channel relay drivers offer built-in kickback protection and drive +V/+5V nonlatching or dual-coil-latching relays. These devices are especially useful when driving +3V relays. Each independent open-drain output features a 2Ω on-resistance and is guaranteed to sink 70mA (min) of load current.

To manage signal integrity issues and protect the input pin, follow the guidelines in this document if you interface V, V, V LVTTL or LVCMOS I/O systems with these Intel ® device families: To ensure device reliability and proper operation, you must design the I/O interfaces within the specifications recommended by the guidelines in this document. Finally, it may be that the relay board logic, if there is any logic circuit on the relay board, will tolerate volt logic. That is, have a low enough turn on threshold to work with either volt logic or 5 volt logic. However, such a relay board would be more susceptible to noise (falsely turning on) when driven by a 5 volt signal. Texas Instruments ULNLV Low Power V and 5V Relay Driver is a low-voltage and low-power upgrade of TI's family of 7-channel Darlington transistor array devices. TI ULNLV sink driver features 7 low output impedance drivers to support low voltage relay and inductive coil applications. The low impedance drivers minimize on-chip power.

Mind that this answer is for driving relays, if you're going to switch 20VDC at ~3A, a MOSFET will be a better/cheaper solution, as you don't need the relay. Buy 3v Relay and get the best deals at the lowest prices on eBay! DC V 1 Channel Relay Driver Module Photoelectric Isolation Input NPN/PNP. ICStation 1CH 3V V relay power switch module with optocoupler high level Songhe DC 1 Channel Optocoupler 3V/V Relay High Level Driver Module.