TPS56221DQPT

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> Semiconductors - ICs

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Details for Texas Instruments

TPS56221DQPT

4.5V to 14V Input, 25A Synchronous Step-Down SWIFT™
Buy Directly from Texas Instruments (5379 in Stock)
$4.0800 per unit
Series Information for TPS56221DQPT - Texas Instruments

Features

  • feature
    22-Pin 5-mm u00d7 6-mm PQFN PowerPADu2122 Package
  • feature
    4.5-V to 14-V Input Voltage Range
  • feature
    600-mV Reference Voltage With 1% Accuracy
  • feature
    Fixed-Frequency Options of 300 kHz, 500 kHz, and 1 MHz
  • feature
    For SWIFTu2122 Power Products Documentation,
  • feature
    High-Side and Low-Side MOSFET RDS(on) Sensing
  • feature
    Incorporates Power Block Technology
  • feature
    Programmable Soft-Start
  • feature
    Supports Prebiased Output
  • feature
    Thermal Shutdown
  • feature
    Up to 25-A Output Current
  • feature
    Voltage Mode Control with Feed-Forward

Description

DC/DC CONV SYNC BUCK 1.1MHZ QFN-22
The TPS56221 device is a high-efficiency and highcurrent synchronous buck converter designed to operate from a supply from 4.5 V to 14 V. The device can produce an output voltage as low as 0.6 V at loads up to 25 A. Integrated NexFET™ Power MOSFETs provide a small footprint and ease of use. The device implements a voltage-mode control with voltage feed-forward compensation that responds instantly to input voltage change. The TPS56221 is available in a thermally enhanced 22-pin PQFN (DQP) PowerPAD package. The device offers design flexibility with a variety of user programmable functions, including soft-start, overcurrent protection (OCP) levels, and loop compensation. OCP levels are programmed by a single external resistor connected from the ILIM pin to the circuit ground. During the initial power-on sequence, the device enters a calibration cycle, measures the voltage at the ILIM pin, and sets an internal OCP voltage level. During operation, the programmed OCP voltage level is compared to the voltage drop across the low-side FET when it is on to determine whether there is an overcurrent condition. It then enters a shutdown/restart cycle until the fault is removed.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
14V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
QFN
No. of Pins:
22Pins
Output Current:
25A
Output Voltage Min:
600mV
Output Voltage Max:
12V
Switching Frequency:
1.1MHz
Operating Temperature Max:
150°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4.5V to 14V 22-Pin QFN EP T/R

Avnet Europe

Conv DC-DC Single Step Down 4.5V to 14V 22-Pin QFN EP T/R

Texas Instruments

4.5V to 14V Input, 25A Synchronous Step-Down SWIFT™ Converter

Texas Instruments product