Manufacturer Part Number
TPS71745QDRVRQ1
Manufacturer
Texas Instruments
Introduction
TPS71745QDRVRQ1 is a low dropout (LDO) linear voltage regulator designed for automotive applications, providing a fixed output with high power supply rejection ratio and integrated protection features.
Product Features and Performance
Fixed output configuration
Positive output type
High PSRR: 70dB ~ 45dB from 100Hz to 1MHz
Output voltage of 4.5V
Maximum input voltage of 6.5V
Output current up to 150mA
Low dropout voltage: 0.3V @ 150mA
Low quiescent current: 80 µA
Maximum supply current: 100 µA
Product Advantages
Optimized for automotive applications
High efficiency and low quiescent current enhance battery life
Robust protection features ensure reliability under adverse conditions
Key Technical Parameters
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 4.5V
Voltage Dropout (Max): 0.3V @ 150mA
Current Output: 150mA
Current Quiescent (Iq): 80 µA
Current Supply (Max): 100 µA
PSRR: 70dB ~ 45dB (100Hz ~ 1MHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
AEC-Q100 qualified for automotive reliability
Compatibility
Surface mount packaging compatible with automated PCB assembly
6-WSON (2x2) package facilitates compact design integrations
Application Areas
Automotive electronics
Power management for microcontrollers and sensors in vehicles
Product Lifecycle
Product status: Active
Not nearing discontinuation; ongoing support and production expected
Several Key Reasons to Choose This Product
Automotive-grade reliability and AEC-Q100 qualification
High-performance power management with excellent noise suppression
Integrated safety features protect against common electrical faults
Energy efficient with low quiescent current and dropout voltage
Compact package suitable for constrained space applications
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