Overview
The L9826TR is a protected octal low-side driver IC designed specifically for the automotive environment. This device is equipped with an 8-bit serial peripheral interface (SPI) that enables control over its eight channels and provides diagnostic capabilities for the loads. Additionally, outputs 1 and 2 can be controlled through dedicated input pins NON1 and NON2. The L9826TR features robust protection mechanisms, including overcurrent and short-circuit protections, as well as output voltage clamping to safeguard against inductive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Outputs | 8 | - |
| Output Current Capability | 450 mA | - |
| Typical RDS(on) | 1.5 Ω at TJ = 25 °C | Ω |
| Maximum Operating Supply Voltage | 7 V | V |
| Maximum Operating Current | 1 A | A |
| Maximum Operating Temperature | +150 °C | °C |
| Minimum Operating Temperature | -40 °C | °C |
| Package Type | SOIC | - |
| Pin Count | 20 | - |
| Dimensions | 13 x 7.6 x 2.35 mm | mm |
Key Features
- 8 channels low-side driver with 450 mA output current capability
- Typical RDS(on) of 1.5 Ω at TJ = 25 °C
- Parallel control for outputs 1 and 2 through dedicated input pins NON1 and NON2
- SPI control on all outputs
- Reset function
- Diagnostic capabilities through 8-bit SPI
- Intrinsic output voltage clamping (50 V typical) for inductive load drive protection
- Short circuit current limitation and thermal shutdown for outputs 1 and 2
- Overcurrent and short circuit shutdown for outputs 3 to 8
Applications
The L9826TR is designed to operate in the harsh automotive environment, making it suitable for various automotive applications. It can safely drive high currents in resistive, inductive, and capacitive grounded loads, which is essential for controlling motors, solenoids, and other automotive actuators.
Q & A
- What is the primary function of the L9826TR?
The L9826TR is a protected octal low-side driver IC designed to control and diagnose loads in automotive applications. - How many channels does the L9826TR have?
The L9826TR has 8 channels. - What is the maximum output current capability of the L9826TR?
The maximum output current capability is 450 mA per channel. - What protection mechanisms are built into the L9826TR?
The L9826TR includes overcurrent and short-circuit protections, as well as output voltage clamping for inductive loads. - How can the outputs of the L9826TR be controlled?
The outputs can be controlled through an 8-bit SPI interface and, for outputs 1 and 2, through dedicated parallel input pins NON1 and NON2. - What is the operating temperature range of the L9826TR?
The operating temperature range is from -40 °C to +150 °C. - What package types are available for the L9826TR?
The L9826TR is available in SO20 packages, either in tubes or on tape and reel. - What is the typical RDS(on) of the L9826TR?
The typical RDS(on) is 1.5 Ω at TJ = 25 °C. - Does the L9826TR have diagnostic capabilities?
Yes, the L9826TR provides diagnostic capabilities through an 8-bit SPI interface. - What are the dimensions of the SOIC package for the L9826TR?
The dimensions are 13 x 7.6 x 2.35 mm.
