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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS61170QDRVRQ1
Texas Instruments

TPS61170QDRVRQ1

TPS61170QDRVRQ1

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TPS61170QDRVRQ1 Overview

The TPS61170-Q1 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170-Q1 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digitalinterface (EasyScale? protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin.The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170-Q1 is available in a 6-pin 2-mm ×2-mm SON package, allowing a compact power-supply solution.

Features

  • Qualified for Automotive Applications
  • 3-V to 18-V Input Voltage Range
  • High Output Voltage: Up to 38 V
  • 1.2-A Integrated Switch
  • 1.2-MHz Fixed Switching Frequency
  • 12 V at 300 mA and 24 V at 150 mA from 5-V Input (Typical)
  • Up to 93% Efficiency
  • On the Fly Output Voltage Reprogramming
  • Skip-Switching Cycle for Output Regulation at Light Load
  • Built-in Soft Start
  • 6-Pin, 2-mm × 2-mm SON Package

Specifications

Circuit Diagram

TPS61170QDRVRQ1

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