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L9823 Datasheet(PDF) 1 Page - STMicroelectronics |
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L9823 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 12 page 1/12 L9823 April 2003 s OUTPUTS CURRENT CAPABILITY UP TO 0.5A s CASCADABLE SPI CONTROL FOR OUTPUTS s RESET FUNCTION WITH RESET SIGNAL OR UNDERVOLTAGE AT VDD s PROGRAMMABLE INTRINSIC OUTPUT VOLTAGE CLAMPING AT TYP. 50V FOR INDUCTIVE SWITCHING s OVERCURRENT SHUTDOWN WITH LATCH- OFF FOR EVERY WRITE CYCLE (SFPD = LOW) s INDEPENDENT THERMAL SHUTDOWN OF OUTPUTS (SOA PROTECTION) s OUTPUT STATUS DATA AVAILABLE ON THE SPI USING 8-BIT I/O PROTOCOL UP TO 3.0MHZ s LOW STANDBY CURRENT WITH RESET = LOW (TYP 35µA @ VDD) s OPEN LOAD DETECTION (OUTPUTS OFF) s SINGLE VDD LOGIC SUPPLY s HIGH EMS IMMUNITY AND LOW EME (CONTROLLED OUTPUT SLOPES) s FULL FUNCTIONALITY OF THE REMAINING DEVICE AT NEGATIVE VOLTAGE DROP ON OUTPUTS (-1,5V OR -3,0A) s OUTPUT MODE PROGRAMMABLE FOR SUSTAINED CURRENT LIMIT OR SHUTDOWN DESCRIPTION L9823 is a Octal Low-Side Driver Circuit, dedicated for automotive applications. Output voltage clamping is provided for flyback current recirculation, when in- ductive loads are driven. Chip Select and cascadable Serial 8-bit Interface for outputs control and diagnos- tic data transfer. SO24 (20+2+2) ORDERING NUMBER: L9823 Octal Low-Side Driver for bulb, resistive and inductive loads with serial input control, output protection and diagnostic BLOCK DIAGRAM Diag1 Q1 CSB SI SCLK SO OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 GND Diag0 Diag7 Reset Q0 CH0 OT0 Diag6 Q6 Q0 Q7 Diag2 Q2 CH3 CH4 CH5 CH1 Diag3 Q3 Diag4 Q4 Diag5 Q5 Q7 CH7 Diag7 Reset Reset Undervoltage RESET Q1 Q2 Q3 Q4 Q5 Q6 Diag1 Diag2 Diag3 Diag4 Diag5 Diag6 IOL 24 23 14 13 12 11 2 1 22 9 4 3 10 5 -8 17 - 20 Over Temperature Detect + - + - = = + - Gate Control OL0 CH2 CH7 SFPD 15 VDG Diag0 16 VDD ISCB0 |
Número de pieza similar - L9823 |
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Descripción similar - L9823 |
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