TPS61161DRVR ,White LED Driver with Digital and PWM Brightness Control in 2mm x 2mm WSON Package 6-WSON -40 to 85Featuressensor resistor R , and the feedback voltage isSET1• 2.7-V to 18-V Input Voltage Rangeregul ..
TPS61161DRVT ,White LED Driver with Digital and PWM Brightness Control in 2mm x 2mm WSON Package 6-WSON -40 to 85Block Diagram... 1111.8 Glossary. 317.3 Feature Description.... 1112 Mechanical, Packaging, and Ord ..
TPS61161DRVT ,White LED Driver with Digital and PWM Brightness Control in 2mm x 2mm WSON Package 6-WSON -40 to 85features integrated open LEDprotection that disable the TPS61160 and/or• Portable Media PlayersTPS6 ..
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TPS61161DRVR-TPS61161DRVT
White LED Driver with Digital and PWM Brightness Control in 2mm x 2mm WSON Package 6-WSON -40 to 85
VIN SW
GND
CTRL
COMP
TPS61161–Q1
ON/OFF
DIMMING
CONTROL
38 V MaxHm
Fm
220 nF
setFm
L1: TDK VLCF5020T-220MR75-1
C1: Murata GRM188R61E105K
C2:Murata GRM21BR71H105K
D1: ONsemi MBR0540T1
3 V to 18 VIProduct
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TPS61160, TPS61161SLVS791E –NOVEMBER 2007–REVISED JULY 2016
TPS6116x White LED Drivers With Digital and PWM Brightness Controlin 2-mmx 2-mm
WSON Package Features 2.7-Vto 18-V Input Voltage Range 26-V Open LED Protection (TPS61160) 38-V Open LED Protection (TPS61161) 200-mV Reference Voltage With ±2% Accuracy Flexible Digital and PWM Brightness Control Built-in Soft Start Upto 90% Efficiency
Applications Cellular Phones Portable Media Players Ultra Mobile Devices GPS Receivers White LED Backlighting for Media Form Factor
Display
DescriptionWith a 40-V rated integrated switch FET, the
TPS61160 and TPS61161 are boost converters that
drive LEDsin series. The boost converters runat
600-kHz fixed switching frequencyto reduce output
ripple, improve conversion efficiency, and allow for
the useof small external components.
The default white LED currentis set with the external
sensor resistor RSET, and the feedback voltageis
regulated to 200 mV, as shown in the Typical
Application. During the operation, the LED current
can be controlled using the one-wire digital interface
(EasyScale™ protocol) through the CTRL pin.
Alternatively,a pulse width modulation (PWM) signal
can be appliedto the CTRL pin through which the
duty cycle determines the feedback reference
voltage. In either digital or PWM mode, the
TPS61160 and TPS61161 do not burst the LED
current; therefore, they do not generate audible
noises on the output capacitor. For maximum
protection, the device features integrated open LED
protection that disable the TPS61160 and/or
TPS61161 to prevent the output voltage from
exceeding the device's absolute maximum voltage
ratings during open LED conditions.
The TPS61160 and TPS61161 are availableina
space-saving, 2-mm× 2-mm WSON package with
thermal pad.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Typical Application
