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/TI TPS62590TDRVRQ1 TPS62590-Q1 Automotive Buck Converter 2.5V to 6V, 2.25MHz Fixed Frequency 1A

TI TPS62590TDRVRQ1 TPS62590-Q1 Automotive Buck Converter 2.5V to 6V, 2.25MHz Fixed Frequency 1A

TPS62590-Q1 Automotive 2.25-MHz 1-A Step-Down Converter In 2-mm × 2-mm SON Package

  • Brand:

    TI
  • Item NO. :

    TPS62590TDRVRQ1
  • Product Details

1 Features

●Qualifed for Automotive Applications

●Output Current up to 1000 mA

●Input Voltage Range from 2.5 V to 6 V

●High Efficiency Step Down Converter

●Output Voltage Accuracy in PWM mode +2.5%

●Typical 15-μA Quiescent Current

●2.25 MHz Fixed Frequency Operation

●Power Save Mode at Light Load Currents

●100% Duty Cycle for Lowest Dropout


2 Applications

●Automotive Infotainment and Cluster

- Head Unit

- Navigation

- Display

●Advanced Driver Assistance System (ADAS)

- Front Cameras

- Blind Spot Monitoring

- Lane Departure Warning

- Park Assist


3 Description

The TPS62590-Q1 device is a high-efficiency synchronous step-down converter,optimized for space constrained applications and very low quiescent current requirements. It provides up to 1000-mA output current from preregulated low voltage rails and consumes 15 uA (typical) in power- save mode.

With an input voltage range of 2.5 V to 6 V and an output voltage accuracy of 2.5%, the device is targeted to power a large variety of automotive applications.

The TPS62590-Q1 family operates at a 2.25-MHz fixed switching frequency and enters a power-save mode at light load currents to maintain a high efficiency over the entire load current range.

The power-save mode is optimized for low output- voltage ripple. For low-noise applications, the device can be forced into fixed-frequency PWM mode by pulling the MODE pin high. in the shutdown mode, the current consumption is reduced to less than 1 μA.

The TPS62590-Q1 allows the use of small inductors and capacitors to achieve a small solution size.

The TPS62590-Q1 is available in a 2-mm x 2-mm 6-pin SON package with a thermal pad for improved thermal performance.


4 Parameters

Vin (Min) (V)2.5

Vin (Max) (V)6

Vout (Min) (V)0.75

Vout (Max) (V)6

Iout (Max) (A)1

Iq (Typ) (uA)15

Switching frequency (Min) (kHz)2000

Switching frequency (Max) (kHz)2500

FeaturesEnable, Forced PWM, Light Load Efficiency, Synchronous Rectification

RatingAutomotive

Regulated outputs (#)1

Control modeVoltage Mode

Duty cycle (Max) (%)100


TPS62590TDRVRQ1.jpg


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