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The TPS7B8150QKVURQ1 is a low-dropout linear regulator (LDO) designed by Texas Instruments for automotive applications (AEC-Q100). It is specifically designed for 40V battery-powered systems and is suitable for automotive electronics, industrial control, and low-power devices. The device is packaged in a TO-252-5 (DPAK) package and features ultra-low quiescent current (Iq) and high input voltage tolerance, meeting the power management requirements of harsh environments.

Features Of  TPS7B8150QKVURQ1

• Compliant with the AEC-Q100 standard for automotive applications:

– Temperature grade 1: -40°C to 125°C, TA

• Device junction temperature range: -40°C to 150°C  

• Wide VIN input voltage range from 3V to 40V, with transient voltages up to 45V  

• Maximum output current: 150mA  

• Low static current IQ:  

– EN = typical value of 300nA at low level (shutdown mode)

– Typical value of 2.7µA at light load

– Maximum value of 4.5µA at light load

• Output voltage accuracy of 1.5% across line, load, and temperature ranges

• Maximum dropout voltage: 540mV at 150mA load current for the fixed 5V output voltage version

• Maintains stability when used with low ESR (0.001Ω to 5Ω) ceramic output capacitors (1µF to 200µF)

• Fixed output voltages of 5V, 3.3V, and 2.5V

• Integrated fault protection:

– Thermal shutdown

– Short-circuit and overcurrent protection  

• Package:  

– KVU (5-pin TO-252), RθJA = 38.8°C/W with bullet points added

Parameters Of  TPS7B8150QKVURQ1

Maximum output current: 150mA

Output voltage options: Fixed output voltages of 2.5V, 3.3V, and 5V

Dropout voltage: Typical dropout voltage of 540mV at 150mA load for the fixed 5V output version

Output voltage accuracy: 1.5% over line, load, and temperature ranges

Power supply rejection ratio (PSRR): 60dB at 100kHz

Package dimensions: TO-252 (KVU) package size is 66.726mm², 6.6 x 10.11mm

Applications Of  TPS7B8150QKVURQ1

• Car audio head units

• Headlights

• Battery management systems (BMS)

• Inverters and motor control

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