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AI Processor Chip

Resistor network

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Commodity Model:TPS40428RHAR

Trade Name:Switch Controller

Brand:TI

Particular Year:21+

Package:VQFN-40

Delivery Date:New and Original

Stock: 5000pcs

Quantity:
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Product Parameters

Manufacturer
TI
Model
TPS40428RHAR
Package
VQFN-40
Describe
Dual output, two-phase, stackable PMBus synchronous buck controller without driver

Product Description

The TPS40428RHAR device is a PMBus synchronous buck controller without a driver. Its default operating mode is Smart Power Mode, and it can operate in non-Smart Power Mode after PMBus programming and a power cycle. The device can be configured for dual-output or dual-phase operation. Additionally, the device supports up to four phases in a stack, enabling a maximum load current of 120A. Two-phase, three-phase, or four-phase interleaved phase shifting reduces input and output ripple, thereby minimizing input and output capacitance.


Its wide input voltage range supports 5V and 12V intermediate power buses. The reference voltage accuracy of 0.5% meets the precise voltage requirements of modern application-specific integrated circuits (ASICs).


In accordance with the PMBus standard, the TPS40428 device can be programmed for reference voltage, fault limit, UVLO threshold, soft-start time, and turn-on and turn-off delays.


Additionally, the device incorporates a precise measurement system for monitoring the output voltage, current, and temperature of each channel.


TPS40428RHAR Features

Factory defaulted to Smart Power Mode (compatible with Texas Instruments (TI) CSD95378B Smart Power Stage and pin-to-pin equivalent to the TPS40425, which is factory defaulted to non-Smart Power Mode)

Single-supply operation: 4.5V to 20V

VOUT = 0.6V

Dual or multi-phase synchronous buck controller

Independent high-speed AVS interface

Fast transient response

Up to four phases can be stacked

2-phase, 3-phase, or 4-phase interleaved phase shift

Precise current sharing

PMBus interface functionality

2mV step boundary rise/fall

Programmable fault limit and response

±0.8% VOUT

Precise current monitoring

±3°C external temperature monitoring in smart power mode

Programmable under-voltage lockout (UVLO) on/off thresholds

Programmable soft-start time, turn-on delay, and turn-off delay

On-chip non-volatile memory (NVM) for storing custom configurations

Reference voltage of 0.6V with 0.5% accuracy over the temperature range of –40°C to 125°C

Programmable ƒSW, range from 200kHz to 1.5MHz

Supports pre-biased output  

Differential remote sensing  

Synchronization with external clock  

Overcurrent/overvoltage/undervoltage/over-temperature (OC/OV/UV/OT) fault protection  

40-pin, 6mm x 6mm, QFN package


TPS40428RHAR Parameters

Input voltage range: 4.5V to 20V

Output voltage: 0.6V  

Maximum output current: 120A (stacked 4 phases)  

Switching frequency range: 200kHz to 1.5MHz  

Operating temperature range: -40°C to 125°C  

Package type: 40-pin VQFN (6mm x 6mm)


TPS40428RHAR Applications

Wireless Infrastructure

Switches/Routers Networking/Servers/Storage

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FAQ

  • 1.Is the inventory and price seen on the platform accurate?

    A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

  • 2.Are all our products genuine?

    A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

  • 3.Can you provide the qualification certificate of the original factory or agent?

    A: at present, our self-employed brands TI,ST,ADI,NXP,LATTICE,CYPRESS,INFINEON,XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

  • 4.Can I make an inquiry through the company's website?

    A: You can inquire through the website, or by phone and email.

  • 5.When can I deliver the goods after placing an order? How long will it take to get there?

    A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

  • 6.Can the company issue an invoice?

    A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.

TI

TI

Texas Instruments (TI), abbreviated as TI, is the worlds leading semiconductor company providing innovative digital signal processing (DSP) and analog device technologies for real-world signal processing. In addition to the semiconductor business, it …

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