Overview
The E-L9826TR is a protected octal low-side driver IC designed specifically for the automotive environment. This device, manufactured by STMicroelectronics, features an 8-bit serial peripheral interface (SPI) that enables control over its eight channels and provides diagnostic capabilities for the loads connected. Additionally, outputs 1 and 2 can be controlled through dedicated input pins NON1 and NON2. The E-L9826TR includes various protection mechanisms such as overcurrent and short-circuit protections, as well as output voltage clamping to protect against inductive loads.
Key Specifications
| Parameter | Test Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | - | -0.3 | - | 7 | V |
| Output Current (IOUT) | - | -2 | - | 1.0 | A |
| Output Clamp Voltage | 1 mA ≤ Iclp ≤ Ioutp | - | 45 | 62 | V |
| On Resistance (RDSon) | IOUT = 250 mA; Tj = +150 °C | - | - | 3.0 | Ω |
| Thermal Shutdown (TJSC) | - | 150 | - | 165 | °C |
| Operating Temperature | - | -40 | - | 150 | °C |
| Standby Current (IccSTB) | nRes = Low | - | - | 70 | μA |
| Operating Mode Current (IccOPM) | IOUT1 ... 8 = 500 mA, SPI - CLK = 3 MHz, NCS = LOW, SDO no load | - | - | 5 | mA |
Key Features
- 8 channels low-side driver with 450 mA output current capability
- Typical RDSon of 1.5 Ω at TJ = 25 °C
- Parallel control for output 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 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 E-L9826TR is designed for use in automotive environments, making it suitable for various automotive applications such as:
- Power distribution and control in vehicle systems
- Control of inductive loads like motors and solenoids
- Diagnostic and monitoring systems within vehicles
- Automotive safety and convenience systems
Q & A
- What is the E-L9826TR used for?
The E-L9826TR is a protected octal low-side driver IC designed for automotive applications, providing control and diagnostic capabilities for various loads.
- How many channels does the E-L9826TR have?
The E-L9826TR has 8 channels.
- What is the maximum output current per channel?
The maximum output current per channel is 1 A.
- What protection mechanisms are included in the E-L9826TR?
The device includes overcurrent, short-circuit protections, and output voltage clamping for inductive loads.
- How is the device controlled?
The device can be controlled through an 8-bit SPI interface and dedicated input pins for outputs 1 and 2.
- What is the operating temperature range of the E-L9826TR?
The operating temperature range is from -40 °C to 150 °C.
- What is the typical on-resistance (RDSon) of the E-L9826TR?
The typical on-resistance (RDSon) is 1.5 Ω at TJ = 25 °C.
- Does the E-L9826TR have diagnostic capabilities?
Yes, it has diagnostic capabilities through an 8-bit SPI interface.
- What is the thermal shutdown threshold of the E-L9826TR?
The thermal shutdown threshold is between 150 °C and 165 °C.
- Is the E-L9826TR RoHS compliant?
Yes, the E-L9826TR is RoHS compliant with an Ecopack2 rating.
