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TPS61163A

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Dual-channel WLED drivers for small display

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Data sheet

TPS61163A

ACTIVE
Data sheet Order now

Product details

Number of channels 2 Vin (min) (V) 2.7 Vin (max) (V) 6.5 Vout (min) (V) 2.7 Vout (max) (V) 37.5 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 99.5 LED current per channel (mA) 30 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Enable/Shutdown, OVP, PWM control, Soft Start, Thermal shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 2 Vin (min) (V) 2.7 Vin (max) (V) 6.5 Vout (min) (V) 2.7 Vout (max) (V) 37.5 Type Inductive Switching frequency (max) (kHz) 1200 Duty cycle (max) (%) 99.5 LED current per channel (mA) 30 Peak efficiency (%) 90 Topology Boost Features EasyScale 1-Wire Interface, Enable/Shutdown, OVP, PWM control, Soft Start, Thermal shutdown Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YFF) 9 1.96000000000000028000000000000001 mm² (— mm × — mm)
  • 2.7V to 6.5V input voltage
  • Integrated 1.5A/40V MOSFET
  • 1.2MHz switching frequency
  • Dual current sinks of up to 30mA current each
  • 1% typical current matching and accuracy
  • Optional 26.5V/37.5V OVP threshold
    • TPS61162A: 26.5V OVP
    • TPS61163A: 37.5V OVP
  • Adaptive boost output to WLED voltages
  • Very low voltage headroom control (90mV)
  • Flexible digital and PWM brightness control
  • One-Wire control interface ( EasyScale™)
  • PWM dimming control interface
  • Up to 100:1 PWM dimming ratio
  • Up to 9-bit dimming resolution
  • Up to 90% efficiency
  • Built-in soft start
  • PFM mode at light load
  • Overvoltage protection
  • Built-in WLED open/short protection
  • Thermal shutdown
  • Supports 4.7µH inductor application
  • 2.7V to 6.5V input voltage
  • Integrated 1.5A/40V MOSFET
  • 1.2MHz switching frequency
  • Dual current sinks of up to 30mA current each
  • 1% typical current matching and accuracy
  • Optional 26.5V/37.5V OVP threshold
    • TPS61162A: 26.5V OVP
    • TPS61163A: 37.5V OVP
  • Adaptive boost output to WLED voltages
  • Very low voltage headroom control (90mV)
  • Flexible digital and PWM brightness control
  • One-Wire control interface ( EasyScale™)
  • PWM dimming control interface
  • Up to 100:1 PWM dimming ratio
  • Up to 9-bit dimming resolution
  • Up to 90% efficiency
  • Built-in soft start
  • PFM mode at light load
  • Overvoltage protection
  • Built-in WLED open/short protection
  • Thermal shutdown
  • Supports 4.7µH inductor application

The TPS61162A and TPS61163A are dual-channel WLED drivers which provide highly integrated solutions for single-cell Li-ion battery powered smart phone backlight. The devices have a built-in high efficiency boost regulator with integrated 1.5A, 40V power MOSFET and support as low as 2.7V input voltage. With two high current-matching capability current sink regulators, the devices can drive up to 10s2p WLED diodes. The boost output can automatically adjust to the WLED forward voltage and allow very low voltage headroom control, thus to improve LED strings efficiency effectively.

The TPS61162A and TPS61163A support both the PWM dimming interface and one-wire digital EasyScale™ dimming interface and can realize 9-bit brightness code programming.

The TPS61162A and TPS61163A integrate built-in soft start, as well as overvoltage, overcurrent, and thermal shutdown protections.

The TPS61162A and TPS61163A are dual-channel WLED drivers which provide highly integrated solutions for single-cell Li-ion battery powered smart phone backlight. The devices have a built-in high efficiency boost regulator with integrated 1.5A, 40V power MOSFET and support as low as 2.7V input voltage. With two high current-matching capability current sink regulators, the devices can drive up to 10s2p WLED diodes. The boost output can automatically adjust to the WLED forward voltage and allow very low voltage headroom control, thus to improve LED strings efficiency effectively.

The TPS61162A and TPS61163A support both the PWM dimming interface and one-wire digital EasyScale™ dimming interface and can realize 9-bit brightness code programming.

The TPS61162A and TPS61163A integrate built-in soft start, as well as overvoltage, overcurrent, and thermal shutdown protections.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS6116xA Dual-Channel WLED Drivers For Smart Phones datasheet (Rev. B) PDF | HTML May 27, 2024
White paper Common LED Functions and LED Driver Design Considerations Sep 21, 2020
Application note Simple Backlight Driver Dimming Performance Mar 20, 2017
Application note Analog PWM Dimming in White-LED Drivers Dec 21, 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61163AEVM-564 — Dual-Channel WLED Drivers For Smart Phone Evaluation Module

The Texas Instruments TPS61162AEVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS61162A and TPS61163A, which are dual-channel 2WLED drivers providing highly integrated solutions for single-cell Li-ion battery powered smartphone backlight. The EVM is (...)

User guide: PDF
Supported products & hardware
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GUI for evaluation module (EVM)

SLVC519 — Dimming program for TPS61162A_3AEVM-564

Supported products & hardware
Simulation model

TPS61163 TINA-TI Transient Reference Design

SLVMA42.TSC (494 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

TPS61163 TINA-TI Transient Spice Model

SLVMA43.ZIP (37 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

TPS61163 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM949B.ZIP (52 KB) - PSpice model
Supported products & hardware
Reference design

TIDA-00878 — Ultra-Low Profile Backlight Driver Reference Design

This reference design shows a step-by-step procedure for designing a white LED backlight driver.  The focus is on choosing components for an ultra-low profile with a total circuit height of less than 0.7 mm.  Data is shown for efficiency, transient operation and limits on operating conditions.

Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
DSBGA (YFF) 9 Ultra Librarian
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