下载

LP5560
-+
GNDCTRL
VDD
LED
V
IN
LP5560
www.ti.com
SNVS873C –AUGUST 2012–REVISED MAY 2013
LP5560 Programmable LED Driver with Single-Wire Interface
Check for Samples: LP5560
1
FEATURES
DESCRIPTION
LP5560 is a programmable LED driver that can
2
• Programmable Blinking Sequence with Current
generate variety of blinking sequences with up to
Rise and Fall Time Control
three pulses of different length per sequence. Blinking
• Default Blinking Sequence for Simple Systems
sequences can be programmed through single wire
without Programming Capabilities
interface. Programmable parameters include on and
off times as well as rise and fall times. Default
• Single-Wire Interface
sequence is programmed into LP5560 to enable the
• Constant Current High Side Output Driver
use of device in simple systems without programming
• Ultra-Small Solution Size
capabilities.
– No External Components
Very low headroom voltage eliminates the need for
– 0.891 mm (Max.) x 0.891 mm (Max.) x 0.6
boost converter. Indicator LEDs can be driven directly
mm DSBGA Package with 0.4 mm Pitch
from the battery. Small package size combined with
zero external components minimizes the solution
• Very Low Headroom Voltage (40 mV typ.)
size.
• Adjustable Output Current from 2.8 mA to 19.5
mA LP5560 is available in TI’s tiny 4-bump DSBGA
package with 0.4 mm pitch.
• Wide Input-Voltage Range: 2.7V to 5.5V
APPLICATIONS
• Indicator LEDs in Cell Phones and Other
Portable Devices
Typical Application
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
页面指南