DRV777 Datasheet, PDF (9/17 Pages) Texas Instruments – 7- bit Integrated Motor and Relay Driver

DRV777
www.ti.com
SLRS062 – DECEMBER 2012
1.8V Relay Driver
To drive lower voltage relays, like 1.8V, connect two or more adjacent channels in parallel as shown in Figure 6.
Connecting several channels in parallel lowers the channel output resistance and thus minimizes VOL for a fixed
current. DRV777 can be used for driving 3V, 5V and 12V relays with similar implementation.
VSUP
1.8V Relays
1.8V Logic
1.8V Logic
1.8V Logic
DRV777
IN1
OUT1
IN2
OUT2
IN3
OUT3
IN4
OUT4
IN5
OUT5
IN6
OUT6
IN7
OUT7
GND
COM
VSUP
Figure 6. DRV777 Driving 1.8V Relays
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