TPS92630-Q1 Datasheet, PDF (1/39 Pages) Texas Instruments – Three-Channel Linear LED Driver With Analog and PWM Dimming

Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPS92630-Q1, TPS92631-Q1
SLVSC76B – FEBRUARY 2014 – REVISED JANUARY 2015
TPS9263x-Q1 Three-Channel Linear LED Driver With Analog and PWM Dimming
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 Range
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C3B
• 3-Ch. LED Driver With Analog and PWM Dimming
• Wide Input-Voltage Range: 5 V–40 V
• Adjustable Constant Output Current Set by
Reference Resistor
– Max. Current: 150 mA per Channel
– Max. Current: 450 mA in Parallel Operation
Mode
– Accuracy: ±1.5% per Channel When I_(IOUTx) >
30 mA
– Accuracy: ±2.5% per Device When I_(IOUTx) >
30 mA
• Parallel Outputs for Higher Current Using Multiple
ICs or Multiple Channels of a Single IC
• Low Dropout Voltage
– Max. Dropout: 400 mV at 60 mA per Channel
– Max. Dropout: 0.9 V at 150 mA per Channel
• Independent PWM Dimming per Channel
• Open and Shorted LED Detection With Deglitch
Timer
• LED-String Voltage Feedback per Channel for
Single-LED Short Detection
• Separate Fault Pin for Single-LED Short Failure
• Fault Pin for Open, Short, and Thermal Shutdown
Failure Reporting, Allowing Parallel Bus
Connection up to 15 Devices
• IC Accommodates a Slow Input-Voltage dV/dt
(0.5 V/min) With No Issues
• Two Options for Device Temperature Information
– TPS92630-Q1: Temperature-Current Foldback
to Prevent Thermal Shutdown, With
Programmable Threshold
– TPS92631-Q1: Analog Voltage Output
Proportional to the Device Temperature
• Operating Junction Temperature Range –40°C to
150°C
• Package: 16-Pin Thermally Enhanced PWP
Package (HTSSOP)
2 Applications
Automotive LED Lighting Applications, Such As:
• Daytime Running Light
• Position Light
• Fog Light
• Rear Light
• Stop or Taillight
• Interior Lighting
3 Description
The TPS9263x-Q1 devices are three-channel linear
LED drivers with analog and PWM dimming control.
Their full-diagnostic and built-in protection capabilities
make them the ideal solution for variable-intensity
LED lighting applications up to the medium-power
range.
Device Information⁽¹⁾
PART NUMBER PACKAGE (PIN) BODY SIZE (NOM)
TPS92630-Q1
TPS92631-Q1⁽²⁾
HTSSOP (16)
4.40 mm × 5.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
(2) This device is available for preview only.
Typical Application Schematic
V(bat)
MCU
VIN
EN
IOUT1
IOUT2
IOUT3
PWM1
PWM2
PWM3
VSNS3
TPS92630-Q1
FAULT
VSNS2
FAULT_S
VSNS1
GND
REF
TEMP
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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.