BTS54220LBBAUMA1

Voltage - Load:	5.5 V ~ 28 V
Supplier Device Package:	PG-TSON-24-3
Package / Case:	24-PowerVDFN
Operating Temperature:	-40°C ~ 150°C (TJ)
Fault Protection:	Current Limiting (Fixed), Over Temperature, Over Voltage
Features:	--
Input Type:	--
Rds On (Typ):	9 mOhm
Current - Output (Max):	5A
Voltage - Supply (Vcc/Vdd):	3.8 V ~ 5.5 V
Series:	Automotive
Interface:	SPI
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	4
Switch Type:	General Purpose
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction

The BTS54220LBBAUMA1 is a Power Management Integrated Circuit (PMIC) designed for Power Distribution Switches, Load Drivers, and the powering of low current linear and low dropout (LDO) regulators. This device is designed with a high level of reliability and is packaged in a standard SO-8 package.

Application Field

The BTS54220LBBAUMA1 is suitable for a wide range of applications including digital power systems, point-of-load power management, solid-state lighting, LEDs and other high-power applications. The device can be used to switch power in high-side switches, low-side switches, and level shifters. It can also be used to drive low voltage loads such as DC motors, lamps, LEDs, and relays.

Features

The BTS54220LBBAUMA1 provides a wide range of features to ensure reliable operation and low power consumption. It features wide soft-start time and ultra-low quiescent current of less than 5µA. The device effectively distributes power in a wide range of operating conditions and provides an improved efficiency due to its low operational power consumption.The device also features over temperature protection, over current protection and a temperature compensated over voltage protection. Additionally, it is equipped with a low voltage protection feature, a watchdog timer for system stability and an external high side power switch to enable low power operation.

Working Principle

The BTS54220LBBAUMA1 integrates three power topologies on a single IC. These are high side switches, low side switches and level shifters. This device employs a push-pull architecture and uses patented current limiting technology to protect against short circuits and over current warnings.The high side switches are used to connect the load’s positive power rail to the power source. The low side switches are used to connect the load’s negative power rail to ground. The levels shifters are used to shift the logic level from one voltage to another.The device is controlled by an internal logic block. This logic block monitors the current and power consumed by the system and accordingly adjusts the output voltage and current of the device.

Conclusion

The BTS54220LBBAUMA1 is a high performance Power Management Integrated Circuit (PMIC) designed for Power Distribution Switches, Load Drivers, and the powering of low current linear and low dropout (LDO) regulators. It features wide soft-start time, an ultra-low quiescent current, over temperature protection, over current protection and a temperature compensated over voltage protection. It also features a low voltage protection feature, a watchdog timer for system stability and an external high side power switch to enable low power operation. With these features and its high reliability, the BTS54220LBBAUMA1 is an ideal choice for powering system in various applications.

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