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L9800 Datasheet(PDF) 1 Page - STMicroelectronics |
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L9800 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 55 page  Features Symbol Parameter Values VBATT Supply voltage 3 V to 28 V VDDIO Supply and SO buffer voltage 3 V to 5.5 V RDS(ON) Maximum on-state resistance at TJ = 150 °C 1.7 Ω IL(NOM) Nominal load current (TA = 85 °C, all channels) 330 mA EAR Maximum energy dissipation - repetitive 10 mJ at IL = 220 mA VDS(CL) Minimum drain-source clamping voltage 42 V IL(OVL0) Maximum overload switch off threshold 3 A fSCLK Maximum SPI clock frequency 8 MHz • AEC-Q100 qualified • Full ISO26262 compliant, ASIL-B systems ready • General – Eight LS drivers – 16-bit SPI interface for outputs control and for diagnosis data communication – Daisy chain compatible and available even with 8-bit SPI – 2 parallel input pins with input mapping functionality – Cranking capability down to VBATT = 3 V – Digital supply voltage range compatible with 3.3 V and 5 V MCU – Bulb inrush mode (BIM) to drive 2 W lamps and electronic loads – Two independent internal PWM generators for MCU offloads and to drive LEDs – Very low quiescent current (with usage of IDLE pin) – Limp-home mode (with usage of IDLE and IN pins) – Safety features ◦ Temperature sensor and monitoring ◦ Serial communications using address feedback, 1 parity bit, frame counter and short frame detection – Fail-safe activation via input pins – Safe operation at low battery voltage (cranking) • Protective functions – Overcurrent latch off – Lower supply voltage range for extended operation – Electrostatic discharge (ESD) protection – Reverse battery protection on VBATT without external components – Short circuit battery protection – Thermal shutdown latch off TFQFN24 4x4x0.9 Product status link L9800 Product summary Order code L9800 Package TFQFN24 4x4x0.9 Packing Tray Order code L9800-TR Package TFQFN24 4x4x0.9 Packing Tape and reel Automotive 8-channel LS driver L9800 Datasheet DS14041 - Rev 2 - August 2024 For further information contact your local STMicroelectronics sales office. www.st.com |
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