SLVUD37 December   2024 TPS62968

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
    5. 1.5 Cautions and Warnings
  7. 2Hardware
    1. 2.1 Setup
      1. 2.1.1 Input and Output Connector Descriptions
  8. 3Implementation Results
    1. 3.1 Test Results
    2. 3.2 Ripple Measurement Setup
    3. 3.3 Modifications
      1. 3.3.1 Input and Output Capacitors
      2. 3.3.2 Configurable Enable Threshold Voltage
      3. 3.3.3 NR/SS Capacitor
      4. 3.3.4 Feedforward Capacitor
      5. 3.3.5 S-CONF Resistor
      6. 3.3.6 Loop Response Measurement
      7. 3.3.7 Single LC Filter Operation
    4. 3.4 Performance Specification
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials
  10. 5Additional Information
    1. 5.1 Trademarks

4.3 Bill of Materials

The bill of materials for this EVM is listed in the following table.

Table 4-1 TPS62968EVM Bill of Materials

Reference Designator

Value

Description

Package

Part Number

Manufacturer

C1, C2

10µF

CAP, CERM, 10µF, 25V, +/- 10%, X7S

0805

C2012X7S1E106K125AC

TDK

C3, C4, C23

2200pF

CAP, CERM, 2200pF, 50V, +/- 10%, X7R

0402

GRM155R71H222KA01D

MuRata

C5

47µF

CAP, TA, 47µF, 35V, +/- 10%, 0.3Ω

7343-43

T495X476K035ATE300

Kemet

C6

0.47µF

CAP, CERM, 0.47µF, 25V, +/- 10%, X7R

0603

C1608X7R1E474K080AE

TDK

C7

0.1µF

CAP, CERM, 0.1µF, 50V, +/- 10%, X7R

0402

C1005X7R1H104K050BB

TDK

C9, C24

470pF

CAP, CERM, 470pF, 50V, +/- 5%, C0G/NP0

0402

GRM1555C1H471JA01D

muRata

C10, C11, C12, C13, C14, C15, C16, C17, C19, C20

22µF

CAP, CERM, 22uF, 10V, +/- 20%, X7S

0805

C2012X7S1A226M125AC

TDK

L1

0.47µH

470nH Shielded Molded Inductor 16A 4.3mOhm Max Nonstandard

SMT2

XGL5020-471MEC

Coilcraft

FB3

Ferrite bead, 12Ω at 100MHz, 20A

1210

BLE32SN120SN1L

muRata

R1

2.43kΩ

RES, 2.43kΩ, 1%, 0.1W

0603

Std

Std

R2

4.87kΩ

RES, 4.87kΩ, 1%, 0.1W

0603

Std

Std

R3

10.0kΩ

RES, 10.0kΩ, 1%, 0.1W

0603

Std

Std

R4

6.04kΩ

RES, 6.04kΩ, 1%, 0.1W

0603

Std

Std

U1

TPS62968(1)

3V to 17V, 8A Low Noise (30µVRMS) and Low Ripple (200µVPP) buck module

2.5 × 3mm

TPS62968RPYR

Texas Instruments

(1) The TPS62968EVM can be populated with TPS62968 (U1) devices that do not contain the correct top-side markings on the top of the device. These devices are still fully-tested TPS62968 devices.