Texas Instruments

Broadening the largest portfolio of low drop-out regulators (LDOs), TI introduces a new family of AEC-Q100-qualified high-voltage LDOs for automotive and industrial applications. With ultra-low quiescent current and the ability to support an input voltage up to 60-V, the LDOs  support many applications that connect directly to a car or truck battery, such as cluster, door modules, power steering, infotainment systems and lighting controls.

Key features and benefits of the LDO family for direct connection to the car battery:

• Ultra-low quiescent current as low as 10 uA: Lowest quiescent current in standby mode means lower power consumption and increased battery endurance time.
• Internal ESR compensation offers the flexibility to use a wide range of output capacitors, including ceramic: Flexibility allows the customer to choose from a wide range of output ceramic capacitors to reduce system cost and increase stability.
• High-input voltage allows designers to connect direct to the car battery: Up to 40-V Vin for normal operation and 45-V transient (TPS7A16xx-Q1 can support up to 60-V normal operation for trucks and heavy-duty equipment)
• Tracking function provides close to zero tolerance between on-board and off-board power supplies: Tracking helps customers get more accurate data from the off-board sensors..
• Integrated window watchdog: enables higher functional safety to be designed into end equipments.

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