TPD12S521DBTR ,HDMI Transmitter Port Protection and Interface Device 38-TSSOP -40 to 85Features 3 DescriptionThe TPD12S521 is a single-chip electro-static1• IEC 61000-4-2 Level 4 ESD Pro ..
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TPD12S521DBTR
HDMI Transmitter Port Protection and Interface Device
VLV 5 V
27 kO
1.7 kO
TPD12S521
47 kO
(x 3)
100 kO 10 kO 1.7 kO TPD12S521
HDMI
5V_OUT
ESD_BYP
5V_SUPPLY
LV_SUPPLY
3.3 V5 V
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TPD12S521SLVS639F–OCTOBER 2007–REVISED FEBRUARY 2016
TPD12S521 Single-Chip HDMI Transmitter Port Protection and Interface Device Features IEC 61000-4-2 Level4 ESD Protection ±8-kV Contact Dischargeon External Lines Single-Chip ESD Solutionfor HDMI Driver On-Chip Current Regulator with 55-mA Current
Output SupportsAll HDMI 1.3 and HDMI 1.4b Data Rates
(–3 dB Frequency>3 GHz) 0.8-pF Capacitance for the High Speed TMDS
Lines 0.05-pF Matching Capacitance Between the
Differential Signal Pair 38-Pin TSSOP Provides Seamless Layout Option
with HDMI Connector Backdrive Protection TMDS_D[2:0]+/– TMDS_CK+/– CE_REMOTE_OUT DDC_DAT_OUT DDC_CLK_OUT HOTPLUG_DET_OUT Lead-Free Package
Applications PCs Consumer Electronics Set-Top Boxes DVD Players
DescriptionThe TPD12S521 is a single-chip electro-static
discharge (ESD) circuit protection device for the high-
definition multimedia interface (HDMI) transmitter
port. While providing ESD protection with transient
voltage suppression (TVS) diodes, the TVS protection
adds little or no additional glitchin the high-speed
differential signals. The high-speed transition
minimized differential signaling (TMDS) ESD
protection lines add only 0.8-pF capacitance.
The low-speed control lines offer voltage-level shifting eliminate the need for an external voltage level-
shifter IC. The control line TVS diodes add 3.5-pF
capacitance to the control lines. The 38-pin DBT
package offersa seamless layout routing optionto
eliminate the routing glitch for the differential signal
pairs. The DBT package pitch (0.5 mm) matches with
the HDMI connector pitch. In addition, the pin
mapping follows the same order as
connector pin mapping. The TPD12S521 providesan
on-chip current limiting switch with output ratingsof mA at pin 38. This enables HDMI receiver
detection even when the receiver deviceis powered
off.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Circuit Protection Scheme
