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

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Part # TPS61193-Q1
Description  High-Performance 3-Channel LED Driver
Download  35 Pages
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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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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
Brightness (%)
0
10
20
30
40
50
60
70
80
90
100
50
55
60
65
70
75
80
85
90
95
100
D001
VIN=5V
VIN=8V
VIN=12V
VIN=16V
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TPS61193-Q1
SNVSAC7 – OCTOBER 2015
TPS61193-Q1 High-Performance 3-Channel LED Driver for Automotive Lighting
1 Features
2 Applications
Automotive Infotainment, Instrument Clusters, and
1
Qualified for Automotive Applications
Backlighting Systems
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: -40°C to 125°C
3 Description
Ambient Operating Temperature Range
The TPS61193-Q1 is an automotive high-efficiency,
Device HBM ESD Classification Level 2
low-EMI, easy-to-use LED driver with integrated DC-
DC converter. DC-DC converter supports both boost
Device CDM ESD Classification Level C4B
and SEPIC mode operation. Device has three high-
Input Voltage Operating Range 4.5 V to 40 V
precision current sinks that can provide high dimming
Three High-Precision Current Sinks
ratio brightness control with a PWM input signal.
Current Matching 1% (typical)
The DC-DC converter has adaptive output voltage
Output Current up to 100 mA per Channel
control based on the LED current sink headroom
Outputs can be combined externally for higher
voltages.
This
feature
minimizes
the
power
consumption by adjusting the voltage to the lowest
current per string
sufficient level in all conditions. DC-DC supports
High Dimming Ratio 10 000:1 at 200 Hz
spread spectrum for switching frequency and an
Integrated DC-DC for LED String Power
external synchronization with dedicated pin. The high
Boost and SEPIC modes supported
switching frequency allows the TPS61193-Q1 to
avoid disturbance for AM radio band.
Output Voltage up to 45 V
The input voltage range for the TPS61193-Q1 is from
Switching Frequency 300 kHz to 2.2 MHz
4.5 V to 40 V to support automotive stop/start and
EMI Minimization
load dump condition. The device supports PWM
DC-DC Synchronization Input
brightness dimming ratio 10 000:1 for 200-Hz input
Spread Spectrum Option
PWM
frequency.
The
TPS61193-Q1
integrates
extensive fault detection features.
Extensive Fault Detection Features
Fault Output
Device Information(1)
Input Voltage OVP and UVLO
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Open and Shorted LED Fault Detection
TPS61193-Q1
HTSSOP (20)
6.50 mm × 4.40 mm
Thermal Shutdown
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Minimum Number of External Components
space
space
Simplified Schematic
System Efficiency
1
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.


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