Description
Photocouplers Optically Isolation Amplifiers TLP7920,TLP7920F TLP7920,TLP7920F 1.Applications * Motor phase and rail current sensing
VDD1 VIN+ VINGND1 GND2 VOUTVOUT+ VDD2
Input side supply voltage Positive input Negative input Input side ground Output side ground Negative output P.
Features
* (1) Output side supply voltage: 3.0 to 5.5 V (2) Output side supply current: 6.2 mA (typ. ) (3) Operating temperature range: -40 to 105 ๎ (4) Common-mode transient immunity: 15 kV/ยตs (min) (5) Safety standards
UL-approved: UL1577, File No. E67349 cUL-approved: CSA Component Acceptance Service No.5A Fi
Applications
* Motor phase and rail current sensing
* Power inverter current and voltage sensing
2. General
The TLP7920 and TLP7920F of isolation amplifiers is designed for current sensing in electronic motor drives. In a typical implementation, motor currents flow through an external resistor an