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L9305 Datasheet(PDF) 1 Page - STMicroelectronics |
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L9305 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 107 page  Features • 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. This architecture guarantees redundancy of the current measurement for each channel. The regulated current is programmable in the range of 0-1.5 A (normal range), with a resolution of 0.25 mA, or 0-2 A (extended range), with a resolution of 0.33 mA. The user can superimpose configurable dither modulation over the set point current. 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 Automotive 4-channel valve driver L9305 Datasheet DS12774 - Rev 10 - June 2024 For further information contact your local STMicroelectronics sales office. www.st.com |
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