Overview
The E-L9823013TR, produced by STMicroelectronics, is an octal low-side driver circuit specifically designed for automotive applications. This integrated circuit is capable of driving bulb, resistive, and inductive loads with advanced features such as serial input control, output protection, and diagnostic capabilities. The L9823 provides output voltage clamping for flyback current recirculation when inductive loads are driven, ensuring efficient and safe operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | -0.3 to 7 | V |
| Output Current Capability | Up to 0.5 A | A |
| Continuous Output Voltage | -1.5 to 45 | V |
| Output Clamp Energy | 50 mJ (max at Tj = 150°C) | mJ |
| Thermal Shutdown Threshold | 155 (Min), 180 (Typ) | °C |
| Thermal Resistance (Junction-to-Lead) | 25 (Max) for single output, 20 (Max) for all outputs | °C/W |
| Storage Temperature | -55 to 150 | °C |
| Package Type | SO-24 | |
| Packing Type | Tape and Reel | |
| RoHS Compliance | Ecopack1 |
Key Features
- Cascadable SPI control for outputs
- Reset function with reset signal or undervoltage at VDD
- Programmable intrinsic output voltage clamping at typ. 50 V 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 3.0 MHz
- Low standby current with reset = low (typ. 35 μA @ 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 (-1.5 V or -3.0 A)
- Output mode programmable for sustained current limit or shutdown
Applications
The E-L9823013TR is primarily designed for automotive applications, where it can be used to drive various types of loads such as bulbs, resistive loads, and inductive loads. Its advanced features make it suitable for use in vehicle lighting systems, wiper motors, and other automotive control systems that require reliable and efficient power management.
Q & A
- What is the primary application of the E-L9823013TR?
The E-L9823013TR is primarily designed for automotive applications.
- What types of loads can the E-L9823013TR drive?
The E-L9823013TR can drive bulb, resistive, and inductive loads.
- What is the output current capability of the E-L9823013TR?
The output current capability is up to 0.5 A.
- What is the thermal shutdown threshold of the E-L9823013TR?
The thermal shutdown threshold is 155°C (Min) and 180°C (Typ).
- Does the E-L9823013TR support SPI communication?
- What is the standby current of the E-L9823013TR when reset is low?
The standby current is typically 35 μA @ VDD.
- Is the E-L9823013TR RoHS compliant?
- What is the package type of the E-L9823013TR?
The package type is SO-24.
- Does the E-L9823013TR have overcurrent protection?
- Can the E-L9823013TR detect open loads?
