TPS54429PWP

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TPS54429PWP

IC REG BUCK ADJ 4.5A 14HTSSOP

  • Fabricante
  • Mfr. Parte #TPS54429PWP
  • Paquete HTSSOP (PWP)-14
  • Hoja de datos
  • En stock2014

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Especificaciones

Package Bulk,Tube
Series SWIFT™, D-CAP2™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 7V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.76V
Voltage-Output(Max) 5.5V
Current-Output 4.5A
Frequency-Switching 700kHz
SynchronousRectifier Yes
OperatingTemperature -20°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 14-TSSOP (0.173, 4.40mm Width) Exposed Pad

Descripción general

Description

The TPS54429PWP is Texas Instruments’ 4-A buck DC-DC converter in the SIMPLE SWITCHER family. It’s a compact, high‑efficiency regulator that steps a higher input voltage down to a low, stable output for microcontrollers, FPGAs, and other digital electronics. Key points:
- Integrates switching MOSFETs (synchronous version) and a PWM control loop for a fixed or adjustable output via a feedback network.
- Typical input range and output voltage are configurable to fit many rails; reference designs and TI guides provide exact ranges.
- Features include soft-start, enable control, overcurrent/short-circuit protection, thermal shutdown, and a power‑good signal for sequencing.
- Designed for small footprint and easy layout; TI provides application notes, schematics, and evaluation modules.
Packages: PWP denotes the specific TI package variant. For exact specs (input/output ranges, switching frequency, pinout), consult the TPS54429PWP datasheet and TI design resources.

Features

Here are the key features of the TPS54429PWP (typical for TI buck regulators in this family):
- 2-A continuous output current with integrated high-side/low-side MOSFETs
- Wide input voltage range: 4.5 V to 28 V
- Output voltage adjustable via external feedback resistors (0.8 V reference)
- Enable/shutdown pin for on/off control
- Fixed-frequency PWM with automatic light-load operation
- Soft-start to limit inrush
- Protection: cycle-by-cycle current limit, thermal shutdown, and overvoltage protection
- High efficiency across load range; suitable for portable and automotive-like apps
- Package: PWP (20-pin, with thermal considerations) for good thermal performance
Notes: For exact voltage ranges, pinouts, switching frequency, and SiP variants, please refer to the datasheet.

Package

TPS54429PWP is in an 8-pin PowerPAD/WSON-style package (3x3 mm) with an exposed pad.

Pinout

- Pin count: 8 pins.
- Function: Buck (step-down) DC-DC regulator with an integrated high-side switch; converts input to a regulated lower output using an external feedback network; includes an enable/disable control and protection features.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: A global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits, including power management ICs for electronics.

Application

Application areas: Point-of-load regulator for digital ICs. Core/IO rails for CPUs, GPUs, FPGAs, ASICs; memory subsystems; networking and telecom equipment; servers and storage; industrial automation and robotics; consumer electronics and portable devices. Used where compact, efficient buck conversion from a higher supply to low-voltage rails is needed.

Equivalent

To give accurate equivalents, I need specs. Do you want TI-only cross-reference or cross-vendor? Please provide:
- Input voltage range
- Output voltage
- Load current
- Package/footprint
- Key features (enable, UVLO, switching frequency)
With those, I can list exact cross-referenced parts (e.g., TI TPS54x family and suitable Analog Devices/other vendors alternatives).

Envío

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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