BD1LB500EFJ-CE2

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BD1LB500EFJ-CE2 is an integrated 3-Channel BiCDMOS Load Driver developed by ROHM. It is a Power Management Integrated Circuit (PMIC) used in Power Distribution Switches, Load Drivers. The device utilizes a newly‑developed BiCDMOS process compatible with logic shown in Figure 1, allowing it to be combined with logic circuits.

BD1LB500EFJ-CE2 is a 3-channel Low-Side Load Driver IC with 6-V to 30-V input that includes a built-in PAN delay circuit and charge pump circuits. This product can supply high output current of 500mA (continuous) and 1000mA (peak) from each output. The PAN delay circuit prevents simultaneous ON-time at each pin and the charge pump circuit provides an output voltage higher than the supply voltage to allow for a large ON/OFF peak current with a low voltage drop.

The BD1LB500EFJ-CE2 is designed for use in applications that require high output current, low power consumption, and high accuracy. Typical applications include automotive, consumer electronics, and industrial systems.

Working Principle

The BD1LB500EFJ-CE2 includes three independent load drivers, each with its own PAN delay circuitry and charge pump circuit. The PAN delay circuit delays the activation of the load driver output to prevent simultaneous ON-time of two pins. The charge pump circuit boosts the output voltage to allow for a larger ON/OFF peak current while maintaining a low voltage drop.

The device has an integrated high-speed output transition circuitry to help reduce the switching time. There are two output ports, which can be configured to drive either single load or two independent loads. The output control is independent of the supply voltage, allowing for higher efficiency operation.

The device offers excellent surge protection and enables protection from excessive current, thermal protection, and undervoltage/overvoltage protection. It also offers a power-save modes which can help extend the battery life of a device. The BD1LB500EFJ-CE2 is designed to be easy to use, with simple setup and activation processes.

The BD1LB500EFJ-CE2 is designed to meet ISO/TS 16949:2009 automotive industry standards, allowing it to be used in applications such as automotive electronic systems, including body electronics, infotainment, and powertrain.

In summary, the BD1LB500EFJ-CE2 is an integrated 3-Channel BiCDMOS Load Driver PMIC used in Power Distribution Switches, Load Drivers. It is designed with various protection functions and high output current, allowing it to be used in various automotive and consumer electronics applications.

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