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L9305

Part Number	L9305
Manufacturer	STMicroelectronics
Description	Automotive 4-channel valve driver
Published	Apr 21, 2020
Detailed Description	Features L9305 Datasheet Automotive 4-channel valve driver GADG0203181458PS TQFP48 exposed pad down (7x7x1 mm) GAPGPS...
Datasheet	L9305 PDF File

Overview

Features L9305 Datasheet Automotive 4-channel valve driver GADG0203181458PS TQFP48 exposed pad down (7x7x1 mm) GAPGPS00337 PowerSSO36 exposed pad down Product status link L9305 Product summary Order code L9305EP Package PowerSSO36 Packing Tube Order code L9305EP-TR Package PowerSSO36 Packing Tape and reel Order code L9305QFP Package TQFP48 Packing Tray Order code L9305QFP-TR Package TQFP48 Packing Tape and reel • AEC-Q100 qualified • 4-channel independent LSD/HSD current controlled drivers – Integrated current sense path – Current accuracy (in normal range) ◦ ± 5 mA in 0 to 0.
5 A range ◦ ± 1% in 0.
5 A to 1.
5 A range – Current accuracy (in extended range) ◦ ± 15 mA in 0 to 0.
3 A range ◦ ± 5% in 0.
3 A to 0.
5 A range ◦ ± 4% in 0.
5 A to 2 A range – Max driver RDSON 375 mΩ @ 175 °C – 13-bit current set-point resolution – Variable and fixed frequency current control – Programmable dither function – Selectable driver slew rate control • Safety features – High side fail safe ENABLE switch pre-driver with VDS monitoring – Redundant safe enable path – Advanced diagnosis and monitoring using BIST – Temperature sensor and monitoring – Redundant current sensing for all channels – Calibration & configuration memory including CRC – Secure serial communications using address feedback, 5-bit CRC, frame counter & long/short frame detection – Register verification • 32-bit SPI communications with 5-bit CRC message verification • Package options: PWSSO36, TQFP48 • Full ISO26262 compliant, ASIL-D systems ready Description The L9305 is a configurable, monolithic solenoid driver IC designed for the control of linear solenoids for automatic transmission, electronic stability control, and active suspension applications.
The four channels can be configured as either low side or high side drivers in any combination.
The device includes the power transistor, recirculation transistor and current sensing for both the power and recirculation transistor.
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