Microchip MIC2874 Bruksanvisning
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2018 Microchip Technology Inc.DS20006081A-page 1
MIC2874
Features
•Up to 1.2A Flash LED Driving Current
•Highly Efficient Synchronous Boost Driver
•Control through Single-Wire Serial Interface or
External Control Pin
•Input Voltage Range: 2.7V to 5.5V
•True Load Disconnect
•Configurable Safety Time-Out Protection
•Output Overvoltage Protection (OVP)
•LED Short Detection and Protection
•1 µA Shutdown Current
•Available in 9-Bump 1.30 mm x 1.30 mm WLCSP
Package
Applications
•Camera Phones/Mobile Handsets
•Cell Phones/Smartphones
•LED Light for Image Capture/Auto-Focus/
White Balance
•Handset Video Light (Torch Light)
•Digital Cameras
•Portable Applications
General Description
The MIC2874 is a high-current, high-efficiency Flash
LED driver. The LED driver current is generated by an
integrated inductive boost converter with a 4 MHz switch-
ing frequency, which allows for the use of a very small
inductor and output capacitor. These features make the
MIC2874 an ideal solution for high-resolution camera
phone LED Flash light driver applications.
MIC2874 operates in either Flash or Torch mode that can
be controlled through the single-wire serial interface
and/or external control pin. A robust single-wire serial
interface allows the host processor to control the LED
current and brightness. The MIC2874 is available in a
9-bump 1.30 mm x 1.30 mm WLCSP package.
1.2A High-Brightness Flash LED Driver with
Single-Wire Serial Interface
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | MIC2874 |
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