Current Sensors

Current Sensors

Silicon Labs’ isolated AC, high-side DC current sensors and Isolated AC mains monitors provide current sensing solutions for a wide range of power applications. The Si85xx/Si890x family is ideal for a broad range of applications including ac-dc switching power supplies, isolated dc-dc supplies, UPS systems, motor control and electronic lighting ballasts.

Si8920 Isolated Amplifers

Part Number Data Sheet Evaluation Kit Package Type Temperature Range (°C) Output Mode Isolation Rating Initial Accuracy
Si8920ISO-KIT GW DIP8 -40 125 Analog 3.75 1.50%
Si8920ISO-KIT WB SOIC16 -40 125 Analog 5 1.50%
Si8920ISO-KIT GW DIP8 -40 125 Analog 3.75 0.75%
Si8920ISO-KIT WB SOIC16 -40 125 Analog 5 0.75%

Si890x Isolated Amplifiers

Part Number Data Sheet Evaluation Kit Package Type Temperature Range (°C) Output Mode Isolation Rating (kV rms) Full Scale Current (A) Initial Accuracy
Si890PWR-EVB WB SOIC16 -40 85 UART 2.5 10 0.10%
Si890PWR-EVB WB SOIC16 -40 85 UART 5 10 0.10%
Si890PWR-EVB WB SOIC16 -40 85 I2C/SMBus 2.5 10 0.10%
Si890PWR-EVB WB SOIC16 -40 85 I2C/SMBus 5 10 0.10%
Si890PWR-EVB WB SOIC16 -40 85 SPI 2.5 10 0.10%
 
Si890PWR-EVB WB SOIC16 -40 85 SPI 5 10 0.10%

Si8540 High-Side DC Current Sensor

Part Number Data Sheet Evaluation Kit Package Type Vcm (V) Icc (max) Bidirectional

Si8540

OPENLPPOL-EVB SOT23-5 5 36 90 No

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