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TPS61193-Q1 Datasheet(PDF) 1 Page - Texas Instruments

Part # TPS61193-Q1
Description  TPS61193-Q1 Low-EMI Automotive LED Driver With Three 100-mA Channels
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61193-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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D001
VIN=5V
VIN=8V
VIN=12V
VIN=16V
TPS61193-Q1
FB
PWM
OUT1
OUT2
OUT3
L1
D1
VOUT up to 45 V
VIN 4.5...40 V
COUT
CIN
RISET
Up to 100 mA/string
SW
LDO
FSET
VDDIO/EN
SYNC
PGND
GND
PAD
VIN
ISET
FAULT
EN
BRIGHTNESS
RFSET
CLDO
R1
R2
CFB
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS61193-Q1
SNVSAM9 – AUGUST 2016
TPS61193-Q1 Low-EMI Automotive LED Driver With Three 100-mA Channels
1
1 Features
1
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
Input Voltage Operating Range 4.5 V to 40 V
Three High-Precision Current Sinks
Current Matching 1% (Typical)
LED String Current up to 100 mA per Channel
Outputs can be Combined Externally for
Higher Current Capability
High Dimming Ratio of 10 000:1 at 100 Hz
Integrated Boost/SEPIC for LED String Power
Output Voltage up to 45 V
Switching Frequency 300 kHz to 2.2 MHz
Switching Synchronization Input
Spread Spectrum for Lower EMI
Extensive Fault Detection Features
Fault Output
Input Voltage OVP, UVLO, and OCP
Open and Shorted LED Fault Detection
Thermal Shutdown
Minimum Number of External Components
space
Simplified Schematic
2 Applications
Backlight for:
Automotive Infotainment
Automotive Instrument Clusters
Smart Mirrors
Heads-Up Displays (HUD)
Central Information Displays (CID)
Audio-Video Navigation (AVN)
3 Description
The TPS61193-Q1 is an automotive high-efficiency,
low-EMI, easy-to-use LED driver with an integrated
DC-DC converter. The DC-DC converter supports
both boost and SEPIC mode operation. The device
has three high-precision current sinks that can be
combined for higher current capability.
The DC-DC converter has adaptive output voltage
control based on the LED current sink headroom
voltages.
This
feature
minimizes
the
power
consumption by adjusting the voltage to the lowest
sufficient level in all conditions. For EMI reduction
DC-DC supports spread spectrum for switching
frequency and an external synchronization with
dedicated pin. A wide-rage adjustable frequency
allows the TPS61193-Q1 to avoid disturbance for AM
radio bands.
The input voltage range for the TPS61193-Q1 is from
4.5 V to 40 V to support automotive stop/start and
load dump condition. The TPS61193-Q1 integrates
extensive fault detection features.
To request a full data sheet or other design
resources: request TPS61193-Q1.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61193-Q1
HTSSOP (20)
6.50 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
System Efficiency


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