Low RDSON SPI controlled H-Bridge
L9958
Low RDSON SPI controlled H-Bridge
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PowerSO-20
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PowerSSO24
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PowerSO16
Feature...
Description
L9958
Low RDSON SPI controlled H-Bridge
'!0'03
PowerSO-20
'!0'03
PowerSSO24
'!0'03
PowerSO16
Features
Programmable current regulation peak threshold by SPI up to 8.6 A typ.
Operating battery supply voltage 4.0 V to 28 V Operating Vdd supply voltage 4.5 V to 5.5 V All pins withstand 19 V, Vs and output pins
withstand 40 V Full path Ron from 100 mΩ (at Tj = -40 °C) to
300 mΩ (at Tj =150 °C) Logic inputs TTL/CMOS-compatible Operating frequency up to 20 kHz 16-bit SPI interface for
configuration/diagnostics, daisy chain capability Over temperature and short circuit protection VS undervoltage disable function Vdd undervoltage and overvoltage protection Vdd overvoltage detection Open-load detection in ON condition Full diagnostics in OFF state Enable and disable input Low stand by current (<10 μA) Voltage and current slew-rate control for low EMI, programmable through SPI Available in three power packages
Description
The L9958 is an SPI controlled H-Bridge, designed for the control of DC and stepper motors in safety critical applications and under extreme environmental conditions.
Datasheet - production data
The H-Bridge is protected against over temperature, short circuits and has an undervoltage lockout for all the supply voltages Vs and Vdd, and for overvoltage on Vdd. All malfunctions cause the output stages to go tristate.
Detailed failure diagnostics on each channel is provided via SPI: short circuit to battery, short ...
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