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TPD12S015 Datasheet(PDF) 17 Page - Texas Instruments

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Part No. TPD12S015
Description  HDMI COMPANION CHIP WITH STEP-UP DC-DC, I2C LEVEL SHIFTER, AND HIGH-SPEED ESD CLAMPS FOR PORTABLE APPLICATIONS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPD12S015 Datasheet(HTML) 17 Page - Texas Instruments

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background image
805
Lin
PGND
VBAT
SW
402
Cin
603
Cout
5VOUT
Layer 1
Layer 2
TPD12S015
www.ti.com
SLLSE19A – DECEMBER 2009 – REVISED JANUARY 2010
Table 1. Passive Components: Recommended Minimum Effective Values
COMPONENT
MIN
TARGET
MAX
UNIT
CIN
1.2
4.7
6.5
mF
COUT
1.2
4.7
10
mF
LIN
0.7
1
1.3
mH
Figure 3. Board Layout (DC-DC Components) (Top View)
List of components:
LIN = MURATA LQM21PN1R0MC0 or LIN = Toko MDT2010-CN1R0
CIN = MURATA GRM188R60J225ME19 (2.2 mF, 6.3 V, 0603, X5R) or MURATA GRM188R60J475ME19 (4.7
mF, 6.3 V, 0603, X5R)
COUT = MURATA GRM188R60J475ME19 (4.7 mF, 6.3 V, 0603, X5R)
CVCCA = MURATA GRM155R60J104MA01 (0.1 mF, 6.3 V, 0402, X5R)
TPD12S015 EVM Layout
The TPD12S015 EVM has been designed for HDMI functional testing and includes both HDMI A-type and HDMI
C-type connectors. Board jumpers enable and disable the dc-dc and level shifting circuitry. There are two supply
terminals (VCCA and VBAT) and one GND terminal at the edge of the board. High speed lines were kept on top
and bottom layers and matched for 50
Ω line to GND. All the high speed lines are matched to minimize the skew.
The board has three test fixtures for testing the TPD12S015 in the following environments:
The top segment enables system designers to test the TPD12S015 using the HDMI Class A connector
The middle segment enables the system designers to test to test the TPD12S015 using the HDMI Class C
connector
The bottom segment enables the system designers to test signal integrity and eye pattern using differential
Copyright © 2009–2010, Texas Instruments Incorporated
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