I2c Relay Driver Ic

The i2c relay16 is designed to piggyback on commonly available chinese made boards with 16 spdt relays.

I2c relay driver ic.

5k pricing is for budgetary use only shown in united states dollars. Port a pins 0 1 2 3 of stm32 microcontroller are used as output pins. How can a load switch extend your device s battery life. Contact your local microchip sales representative or distributor for volume and or discount pricing.

We don t sell the relay boards directly but they re available from multiple sources various vendors on amazon 1 2 sainsmart or even direct from china on ebay included are two 6p6c i2c connectors a female 20 pin dual row connector to attach to the relay board s header a. Relay driver ic uln2003 internal schematic diagram. Solenoid relay vdd 3 3 v 5 0 v vdd vpwr gnd out15 out0 out1 out2 out3 out4 out5 out6 out7 out8 out9 out10 out11 out12 out13 out14 vbat sopwr mosi so pwm pwm miso si cs sclk sclk rst rst 8. With a broad portfolio offering different driver topologies high side low side and configurable switches a standardized spi register.

Pin 0 of port a is connected to input 1 of uln2003 relay driver. The ic includes two high voltage linear regulators. More than a relay driver spider at a glance 2 spider at a glance spider is the newest generation of infineon technologies spider product family. Analog integrated circuit device data 2 freescale semiconductor 33996 iinternal block diagram iinternal block diagram.

For example a relay with a 5v coil can be driven directly from the rectified 120 vac or 230 vac line. Pin 1 of port a is connected to input 3 pin 2 is connected to input 5 and pin 3 is connected to pin 7 of uln2003 relay driver. The hv9901 universal relay driver provides high efficiency driving for low voltage relays with supply voltages as high as 450v. The first one is for providing power to internal control circuitry.

Its build on cortex m3 core. Microcontroller used in the project is stm32f103c8t6. Line driver pwm rst cs so vref. Use our selection tool to compare and select the right ti i2c general purpose i o gpio device to expand the number of available i2c i o pins in your design.

The ncv7240 is an automotive eight channel low side driver providing drive capability up to 600 ma per channel. Output control is via a spi port and offers convenient reporting of faults for open load or short to ground over load and over temperature conditions. 8 channel relay driver with integrated 5 v ldo and zero volt detection datasheet rev. The ic uln2003a comprises of 7 npn darlington pairs as shown in the internal schematic diagram and is typically used to switch inductive loads dissipates voltage spikes if any using suppression diode and to drive stepper motors.