Overview
The L9822EPD013TR is an octal low-side solenoid driver produced by STMicroelectronics. It is realized in Multipower BCD technology, making it particularly suited for driving lamps, relays, and solenoids in automotive environments. The device features low power consumption and is designed to operate efficiently in various automotive applications. Data transmission to the device is facilitated through the Serial Peripheral Interface (SPI) protocol, and it includes a status monitor function for all output lines.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package | PowerSO-20 | The physical package type of the component. |
| Logic Supply Voltage (VCC) | 5V ± 5% | Nominal voltage for the logic circuits. |
| Output Configuration | Octal low-side solenoid driver | Eight low RDSon DMOS outputs. |
| RDSon | 0.5 Ω @ IO = 1 A @ 25 °C | On-state resistance of the DMOS outputs. |
| Internal Clamping | 36 V for each output | Internal voltage clamping for protection. |
| Serial Interface | SPI (Serial Peripheral Interface) | Protocol used for data transmission. |
| Diagnostic Output | 8-bit serial output for overload and open circuit conditions | Diagnostic output for monitoring the status of the outputs. |
| Quiescent Current | 10 mA Max. | Maximum quiescent current consumption. |
| Operating Temperature | -40 °C to 150 °C | Range of temperatures within which the device can operate. |
| RoHS Compliance | Ecopack2 | Compliance with RoHS (Restriction of Hazardous Substances) regulations. |
Key Features
- Multipower BCD Technology: Enhances the device's performance and efficiency in automotive applications.
- Cascadable: Can be cascaded with another octal driver for expanded functionality.
- Low RDSon DMOS Outputs: Eight outputs with low on-state resistance, suitable for driving lamps, relays, and solenoids.
- Internal 36 V Clamping: Provides protection against voltage spikes for each output.
- SPI Interface: Allows for serial data transmission using the SPI protocol.
- Diagnostic Output: 8-bit serial output for monitoring overload and open circuit conditions.
- Chip Enable Select Function: Active low chip enable select function for controlling the device.
- Low Quiescent Current: Maximum quiescent current of 10 mA, contributing to low power consumption.
- Output Short Circuit Protection: Built-in protection against short circuit conditions.
Applications
The L9822EPD013TR is primarily designed for use in automotive environments, where it can be utilized to drive various components such as:
- Lamps
- Relays
- Solenoids
Its features and specifications make it an ideal choice for applications requiring efficient and reliable control of multiple outputs in automotive systems.
Q & A
- What is the primary function of the L9822EPD013TR?
The L9822EPD013TR is an octal low-side solenoid driver designed to drive lamps, relays, and solenoids in automotive environments.
- What technology is used in the L9822EPD013TR?
The device is realized in Multipower BCD technology.
- What is the logic supply voltage for the L9822EPD013TR?
The logic supply voltage is nominally 5V ± 5%.
- How many outputs does the L9822EPD013TR have?
The device has eight low RDSon DMOS outputs.
- What is the on-state resistance of the DMOS outputs?
The on-state resistance is 0.5 Ω @ IO = 1 A @ 25 °C.
- What is the internal clamping voltage for each output?
The internal clamping voltage is 36 V for each output.
- What interface is used for data transmission to the L9822EPD013TR?
Data transmission is facilitated through the Serial Peripheral Interface (SPI) protocol.
- Does the L9822EPD013TR have diagnostic output capabilities?
Yes, it has an 8-bit serial output for monitoring overload and open circuit conditions.
- What is the maximum quiescent current of the L9822EPD013TR?
The maximum quiescent current is 10 mA.
- Is the L9822EPD013TR RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 rating.
