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TPS62873Z1WRXSR

Name: TPS62873Z1WRXSR
Rating: 4.7 (12 reviews)

IC REG BUCK PROG 15A 16VQFN

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規格

Part Status	Active
Base Product Number	TPS62873
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Programmable
Number of Outputs	1
Voltage - Input (Min)	2.7V
Voltage - Input (Max)	6V
Voltage - Output (Min/Fixed)	0.4V
Voltage - Output (Max)	3.35V
Current - Output	15A
Frequency - Switching	1.5MHz, 2.25MHz, 2.5MHz, 3MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount, Wettable Flank
Package	16-TFQFN Exposed Pad
Supplier Device Package	16-VQFN (2.55x3.55)
Packaging	Cut Tape (CT), Tape & Reel (TR)

概述

Description

TPS62873Z1WRXSR is Texas Instruments’ ultra-low-power buck regulator (step-down DC-DC converter) designed for battery-powered electronics. It’s part of the TPS6287x family and is optimized for high efficiency across light to moderate loads, helping extend battery life in portable devices. Key features typically include an enable pin, soft-start, protection features (overcurrent and thermal shutdown), and options for fixed or adjustable output. The Z1WRXSR suffix indicates a specific TI packaging/reel configuration for a compact, surface-mount device. Applications include wearables, portable sensors, IoT nodes, and other space-constrained power rails. For exact specifications (input range, output voltages, current capability, switching frequency, and pinout), consult the TI datasheet and product page.

Features

Key features of TPS62873Z1WRXSR (TI):
- Ultra-low quiescent current with operation in power-save mode
- High efficiency across light and heavy loads
- Wide input voltage range suitable for batteries and USB
- Fixed or adjustable output options
- Enable pin for easy shutdown/enable control
- Integrated high-side switch; no external MOSFET required
- Overcurrent protection with current limit and thermal shutdown
- Soft-start to limit inrush; robust protection against faults
- Small 8-pin package with tape-and-reel (Z1W RXSR) for compact designs
- Typical TI safety features: UVLO, fault protection, and stable operation across load
Note: For exact electrical specs (voltage ranges, current, frequencies) and package details, please consult the official datasheet.

Package

8-pin WSON package with exposed pad (2.0 × 2.0 mm).

Pinout

Pin count: 6 pins. Function: Single-channel buck (step-down) DC-DC converter (regulator) with enable/feedback pins for producing a regulated output from a higher input.

Manufacturer

Manufacturer: Texas Instruments (TI).
TI is an American multinational semiconductor company that designs and manufactures analog and embedded processing integrated circuits, serving a wide range of industries.

Application

TPS62873Z1WRXSR is a high-efficiency step-down regulator for battery-powered/portable applications. Common uses include:
- IoT sensors and gateways
- Wearables and medical wearables
- Microcontroller/SoC power rails in embedded systems
- Smart meters and home automation sensors
- Other portable consumer electronics requiring low quiescent current and efficient regulation

Equivalent

Equivalent parts are other members of TI's TPS6287x family. Closest matches: TPS62870, TPS62871, TPS62872, TPS62874, TPS62875 (pin-compatible variants; verify output voltage and BOM). For cross-references to non-TI devices, use TI's Cross Reference tool or compare specs (input up to 5.5V, current, quiescent, package).