Details, datasheet, quote on part number: TLV61046AEVM-833
PartTLV61046AEVM-833
CategoryEmbedded Solutions => Engineering Tools => Power Management IC Development Tools => 8844129
TitlePower Management IC Development Tools Evaluation Board - 28-V Output Voltage Boost Converter Integrating Diode and Isolation MOSFET
Description
CompanyTexas Instruments Inc.
DatasheetDownload TLV61046AEVM-833 datasheet
Specifications 
Product CategoryPower Management IC Development Tools
ManufacturerTexas Instruments
ProductEvaluation Modules
TypeVoltage Regulators - Switching Regulators
Tool Is For Evaluation OfTLV61046A
Input Voltage1.8 V to 5.5 V
Output Voltage12 V
BrandTexas Instruments
Description/FunctionEvaluates the TLV61046A boost converter
Output Current150 mA
SeriesTLV61046Auuwxzafbtvsredxfdrffrseyavcrbaeuyux
Factory Pack Quantity1
TLV61046AEVM-833 photo

 

Features, Applications

This user's guide describes the characteristics, operation, and use of the TLV61046A evaluation module (EVM). A complete schematic diagram, printed-circuit board layouts, and bill of materials (BOM) are included in this document.

Contents Introduction................................................................................................................... Test Setup.................................................................................................................... Board Layout................................................................................................................. Schematic and Bill of Materials............................................................................................ List of Figures 3 TLV61046A PCB Top Layer................................................................................................ 3 TLV61046A PCB Bottom Layer............................................................................................ 3 TLV61046A Schematic...................................................................................................... 4 List of Tables 1 2 Performance Specification.................................................................................................. 1 TLV61046A Bill of Materials................................................................................................ 5

The a 28-V output voltage boost converter with power diode and isolation switch. It supports to 5.5-V input voltage and to 28-V output voltage. It features true disconnection, short-circuit protection, overvoltage protection, and thermal shutdown protection functions. the TLV61046AEVM-833 is built to evaluate the electrical and thermal performance of the TLV61046A. Table 1 provides the performance specifications of the EVM Table 1. Performance Specification

Specification Input voltage Output voltage Output current Switching frequency VIN 3.6 V, IOUT 0.1 A VIN 3.6 V, VOUT 12 V VIN 3.6 V, IOUT 0.1A 1050 Test Condition MIN 1.8 TYP 12 0.15 MAX 5.5 UNIT V A KHz

Description

Some components in the EVM are just added to facilitate the TLV61046A evaluation. The C6 is used to provide stable input voltage for the TLV61046A when the power cable between the EVM and the power supply is long. The C6 can be removed in a real application. The C4 and C5 are provided for additional output capacitors, which are not required for proper operation but can be used to reduce the output voltage ripple and to improve the load transient performance. Feed-forward capacitor C3 can be used to speed up the responce of the device when the output capacitance is much larger than the value in the EVM. When C3 is selected, at least a 100- resistor R3 must be used to avoid switching noise coupling into the FB pin.

The functions of the connectors in the EVM are described in the following: J1 is used for power supply connection. Pin 1­pin 3 are for the negative node of the power supply and pin 4­pin 6 are for the positive node of the power supply. Pin 3 and pin 4 can also be used to measure the input voltage accurately when input current is large. J2 is used for the load connection. Pin 1­pin 3 are for the negative node of the load and pin 4­pin 6 are for the positive node of the load. is to enable or disable the boost converter. The TLV61046A is enabled if pin 2 and pin 3 are shorted, and disabled when pin2 and pin 1 are shorted.

The EVM is based a 2-layer PCB. All the components are placed on the top layer. Figure 1 shows the top layer of the PCB and Figure 2 shows the bottom layer.


 

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