SPARC EU GmbH, Ludwig-Erhard-Strasse 6a, 84034 Landshut, Germany JANUARY 2023

Page 1

S4-CSA01

Hall-Effect Current Sensor IC

• Operating temperature range: -40°C … +150°C

• Supply voltage range: 4.5V … 5.5V

• Unique Backside Vertical Hall Sensor Technology for sensing of lateral magnetic

fields

• Multi point programmable sensitivity & offset temperature compensation

• Very large sensitivity programming range

• User programmable bandwidth 10 … 120 kHz, 3µsec step response (120 kHz BW)

• Additive and differential operational mode for enhanced stray field suppression

• Ratiometric or Fixed Output Range mode

• Supply Under Voltage and Over Voltage detection

• AEC-Q100 qualified

Typical Application

• BLDC Motor Control

• BMS modules, EV and HEV Inverter

• AC/DC and DC/DC Converters

• Smart Fuse

Functional Block Diagram Recommended Application Circuit

Sensing Modes

The S4-CSA01 has two geometrically separated Hall sensor areas, located approximately 1.6 mm apart from each

other. Depending on the programmed mode, the sensor signals from the two sensors are either added (Additive

Mode) or subtracted (Differential Mode).

PACKAGE

SOIC-8

S4-CSA01 in Additive Mode S4-CSA01 in Differential Mode

SPARC EU GmbH, Ludwig-Erhard-Strasse 6a, 84034 Landshut, Germany JANUARY 2023

Page 2

S4-CSA01

Key Performance Parameters

• Magnetic Sensitivity Range (programmable by customer) < 30 … 750 mV/mT

• Signal Bandwidth (programmable by customer) …10 … 120 kHz

• Sensitivity Initial Error … +/- 1,2%

• Sensitivity Temperature Drift … +/- 1,0%

• Offset Temperature Drift … +/- 25 mV (including zero accuracy)

• Linearity Error … +/- 1,0%

• Noise … 10 mV (RMS)

• Stray Field Immunity … Y direction: - 50 dB

… X direction: - 65 dB

… Z direction: - 70 dB

Additional properties

• Very large current measurement range: +/-3A … +/-2000A and higher

• Functionally (additive mode) & Pin-to-Pin compatible to MLX912xx

• Due to the unique Backside Vertical Hall Sensor Technology no limitations for the maximum measured

magnetic field and no hysteresis error present

• Functional compatible to the ACS3761x (differential mode)

• Due to the lateral measurement direction no significant design changings of bus bar in comparing to the no

SFI capable solutions needed

Design proposals comparison