L9823 - Brand New STMicroelectronics Power Distribution Switches
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Description
L9823 is a Octal Low-Side Driver Circuit, dedicated for automotive applications. Output voltage clamping is provided for flyback current recirculation, when inductive loads are driven. Chip Select and cascadable Serial 8-bit Interface for outputs control and diagnostic data transfer.
Specifications and features
■ OUTPUTS CURRENT CAPABILITY UP TO 0.5A
■ CASCADABLE SPI CONTROL FOR OUTPUTS
■ RESET FUNCTION WITH RESET SIGNAL OR UNDERVOLTAGE AT VDD
■ PROGRAMMABLE INTRINSIC OUTPUT VOLTAGE CLAMPING AT TYP. 50V FOR INDUCTIVE SWITCHING
■ OVERCURRENT SHUTDOWN WITH LATCH OFF FOR EVERY WRITE CYCLE (SFPD = LOW)
■ INDEPENDENT THERMAL SHUTDOWN OF OUTPUTS (SOA PROTECTION)
■ OUTPUT STATUS DATA AVAILABLE ON THE SPI USING 8-BIT I/O PROTOCOL UP TO 3.0MHZ
■ LOW STANDBY CURRENT WITH RESET = LOW (TYP 35µA @ VDD)
■ OPEN LOAD DETECTION (OUTPUTS OFF)
■ SINGLE VDD LOGIC SUPPLY
■ HIGH EMS IMMUNITY AND LOW EME (CONTROLLED OUTPUT SLOPES)
■ FULL FUNCTIONALITY OF THE REMAINING DEVICE AT NEGATIVE VOLTAGE DROP ON OUTPUTS (-1,5V OR -3,0A)
■ OUTPUT MODE PROGRAMMABLE FOR SUSTAINED CURRENT LIMIT OR SHUTDOWNApplication Scenarios
L9823 is specifically designed for automotive applications. It can be used in circuits for driving inductive loads and provides output voltage clamping for flyback current recirculation.
Comparison
Advantages- Outputs current capacity up to 0.5A
- Cascadable SPI control for outputs
- Programmable intrinsic output voltage clamping at typical 50V for inductive switching
- Independent thermal shutdown of outputs (SOA protection)
- Low standby current with reset = low (typical 35µA @ VDD)
- High EMS immunity and low EME (controlled output slopes)Disadvantages- Not suitable for applications requiring high output current capability
- Limited output status data transfer speed (up to 3.0MHz)
- Single VDD logic supply may limit compatibility with certain systems
- Negative voltage drop on outputs can affect device functionality -
Similar parts: 5051 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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Popular parts of the same kind
- Datasheet: Download L9823
- Chipdatas Part: CD92-L9823
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 09:25 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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