STMicroelectronics L9826 Octal Protected Low-Side Driver Datasheet

L9826 is a protected octal low-side driver IC designed for the automotive environment. It features 8 channels with 450mA output current capability, typical RDSON of 1.5Ω at TJ = 25 °C, parallel control for output 1 and 2, SPI control on all outputs, reset function, diagnostic through 8 bit SPI, intrinsic output voltage clamping of 50V (Typ) for protection of inductive load drive, short circuit current limitation and thermal shutdown for outputs 1 and 2, and overcurrent and short circuit shutdown for outputs 3 to 8. The L9826 is packaged in SO20.


STMicroelectronics L9826 Octal Protected Low-Side Driver Datasheet - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
19
File format
PDF
File size
335 KB
Published
08 August, 2012
Updated
28 September, 2023
MD5 checksum
03BB8A79A5DFE68A7A5CBFDC56D61804

About this manual

The L9826 is a protected octal low-side driver IC designed specifically for the automotive environment. It features eight output channels with a 450 mA output current capability and a typical on-resistance of 1.5 Ω. The device includes an 8-bit Serial Peripheral Interface (SPI) for controlling all channels and providing load diagnostics, alongside parallel control inputs for outputs 1 and 2.

What's inside

  • Block Diagram
  • Pins description
  • Electrical specifications
  • Application information
  • Functional description
  • Package information
  • Revision history

Specifications

Output current capability450 mA
Typical RDSON1.5 Ω
Output voltage clamping50 V (Typ)
Thermal shutdown threshold150 °C
Supply voltage range4.5 V to 5.5 V
Package typeSO20

Frequently asked questions

What is the typical on-resistance of the L9826?

The typical on-resistance is 1.5 Ω at a junction temperature of 25 °C.

How are outputs 1 and 2 controlled?

Outputs 1 and 2 can be controlled via dedicated input pins NON1 and NON2 in parallel mode, or via the SPI interface.

What protections are included for outputs 3 to 8?

Outputs 3 to 8 feature overcurrent and short circuit shutdown protection.

Download PDF (335 KB)

More STMicroelectronics Manuals


View all STMicroelectronics manuals →