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Details for TPS56221DQPT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS56221DQPT
Buy Directly from Texas Instruments (4906 in stock) $3.2800
DC/DC CONV SYNC BUCK 1.1MHZ QFN-22
TPS56221DQPT image

TPS56221DQPT by Texas Instruments

DC/DC CONV SYNC BUCK 1.1MHZ QFN-22
Features
22-Pin 5-mm u00d7 6-mm PQFN PowerPADu2122 Package
4.5-V to 14-V Input Voltage Range
600-mV Reference Voltage With 1% Accuracy
Fixed-Frequency Options of 300 kHz, 500 kHz, and 1 MHz
For SWIFTu2122 Power Products Documentation,
High-Side and Low-Side MOSFET RDS(on) Sensing
Incorporates Power Block Technology
Programmable Soft-Start
Supports Prebiased Output
Thermal Shutdown
Up to 25-A Output Current
Voltage Mode Control with Feed-Forward
Part Information
TPS56221DQPT image
RoHS Compliant
Description
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
BUCK, SYNC, 15A, 22SON; 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; RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 4.5V to 14V 22-Pin QFN EP T/R Avnet America
Conv DC-DC Single Step Down 4.5V to 14V 22-Pin QFN EP T/R Avnet Europe
4.5V to 14V Input, 25A Synchronous Step-Down SWIFT™ Converter Texas Instruments