Overview
The L9822N is an octal low-side solenoid driver IC manufactured by STMicroelectronics. It is realized in Multipower-BCD technology, making it particularly suited for driving lamps, relays, and solenoids in automotive and other demanding environments. The device features eight low RDSon DMOS outputs, each with transient protection circuits and short circuit protection, ensuring reliable operation with inductive and resistive loads.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Outputs | 8 | |
| Output Configuration | Low Side | |
| Output Type | DMOS | |
| RDSon (Typ) | 550 mΩ | |
| Current - Output (Max) | 500 mA | |
| Voltage - Load | 4.5 V ~ 5.5 V | |
| Interface | SPI | |
| Operating Temperature | -40°C ~ 150°C (TJ) | |
| Package | 20-SOIC (0.295", 7.50mm Width) Exposed Pad |
Key Features
- Eight low RDSon DMOS outputs with transient protection circuits
- 8-bit serial input data and 8-bit serial diagnostic output for overload and open circuit conditions
- Output short circuit protection and internal 35V clamping for each output
- Chip enable select function (active low) and low quiescent current (10mA max.)
- Cascadable with another octal driver
- Serial Peripheral Interface (SPI) protocol for data transmission
- Output status monitoring function
Applications
The L9822N is particularly suited for driving lamps, relays, and solenoids in automotive environments. It can also be used in various industrial and commercial applications where reliable and efficient control of inductive and resistive loads is required.
Q & A
- What is the L9822N used for?
The L9822N is used for driving lamps, relays, and solenoids in automotive and other demanding environments.
- How many outputs does the L9822N have?
The L9822N has eight low-side DMOS outputs.
- What is the typical RDSon value of the L9822N outputs?
The typical RDSon value is 550 mΩ.
- What is the maximum output current of the L9822N?
The maximum output current is 500 mA.
- What interface does the L9822N use for data transmission?
The L9822N uses the Serial Peripheral Interface (SPI) protocol.
- Does the L9822N have built-in protection features?
- Can the L9822N be cascaded with other drivers?
- What is the operating temperature range of the L9822N?
The operating temperature range is -40°C to 150°C (TJ).
- What package type does the L9822N come in?
The L9822N comes in a 20-SOIC (0.295", 7.50mm Width) Exposed Pad package.
- What is the quiescent current of the L9822N?
The quiescent current is 10 mA maximum.
