BU90008GWZ-E2 Integrated Circuits (ICs)

Voltage - Input (Max):	5.5V
Supplier Device Package:	6-UCSP35L1 (1.30x0.90)
Package / Case:	6-XFBGA, CSPBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	3.6MHz
Current - Output:	1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1V
Series:	--
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of BU90008GWZ-E2 _{PMIC - Voltage Regulators - DC DC Switching Regulators}

BU90008GWZ-E2 is a power management IC (PMIC) for voltage regulators DC-DC switching regulators which is developed by ROHM Semiconductor. It has a general purpose design that meets all the requirements of low-power sources.BU90008GWZ-E2 is used as a power management IC in many applications. It is commonly used in battery-powered electronics, including medical and consumer electronics, such as portable medical devices and handheld computers. The IC also finds its application in DC motor controls and automotive applications.The working principle of BU90008GWZ-E2 is based on step up, step down, and buck-boost configurations. It configures input voltage in a regulated DC-DC converter and boosts it to a higher output voltage. The maximum output voltage is adjustable from 0.8 V to 5.5 V, and the maximum output current is up to 200 mA.The IC has an integrated low-voltage detector for detecting the battery voltage. The internal low-voltage detector also provides protection against an over-heated load. In addition, the IC features a power supply reverse protection circuit and short-circuit protection. The over-temperature protection (OTP) feature helps protect the device from thermal runaway.The BU90008GWZ-E2 includes a dual-phase driver that can provide PWM or linear control. The linear control mode supports high current and PWM control mode is used for low current applications. The dual-phase driver provides both operation and voltage control while keeping switching losses low.The IC also supports two different control methods: voltage control and current control. The voltage control mode is suitable for applications that require a constant output voltage and the current control mode is suitable for those applications where the input voltage varies with load.BU90008GWZ-E2 also includes an internal oscillator. The oscillator is adjustable and is capable of supporting up to 1.5 MHz switching frequency. The IC also includes a built-in power supply monitor, and it has built-in soft start and output voltage limits.The BU90008GWZ-E2 is housed in a small, 6-pin TSOT-23 package. It is designed to work in a wide temperature range, from –40 to +85 °C. The IC is fully RoHS compliant and is qualified to ISO/TS16949 and EN/UL 60950-1 standards. BU90008GWZ-E2 is a highly versatile power management IC. It can be used in a wide variety of applications, such as medical, automotive, and portable electronics. Its integrated low voltage detector, protection circuit, oscillator, power supply monitor, and soft start all help to ensure that the IC is safe and reliable.

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