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TPS65573DSSR
Integrated Photo Flash Charger and IGBT Driver 12-WSON -35 to 85
1FEATURES
DESCRIPTION/ORDERING INFORMATION
APPLICATIONS
TPS65573
www.ti.com................................................................................................................................................................................................... SLVS868–MARCH 2009
INTEGRATED PHOTO FLASH CHARGER AND IGBT DRIVER Wide Input Voltage VBAT= 1.4Vto12V The TPS65573 offersa complete solution fora
charging photo flash capacitor and flashing xenon
– VCC= 2.5Vto 5.5V tube with insulated gate bipolar transfer (IGBT) driver.•
Integrated 50-V Power Switch With Lower RON This device has an integrated voltage reference,•
Programmable Peak Currentat Primary Side power (SW), comparators for peak current
From 0.5Ato 1.5A detection/power SW turnon detection/charge
complete detection, IGBT driver and control logics for•
Optimized Switch ON/OFF Control for Fast charging applications/driving IGBT applications.
ChargingCompared with discrete solutions, this device reduces•
Charge Complete Detectionat Primary Side the component count, shrinks the total solution size,
With High Accuracy and erases the difficultyof design for xenon tube•
Integrated IGBT Driver application.•
2-mm× 3-mm, 12-Pin WSON Package Additional advantages area fast charging time and•
Protection high efficiency since this device has an optimized
Overcurrent Protection (OCP) pulse width modulation (PWM) control algorithm for
photo flash charging. Also this device has high
– Thermal Shutdown (TSD) accuracy for peak current detection and for charge
completion detection. The distribution of charging
timeis smaller.•
Digital Still CamerasOther provisionsof the device include sensing the•
Optical Film Cameras output voltage at the primary side, programmable•
Digital Video Camcorders peak currentat the primary side, protection features•
Cell Phones (thermal shutdown and overcurrent), an output pin for
charge completion detection, input pins for charge
enable, flash acceptable, and flash on.
Figure1. Application Circuitbe aware thatan availability, standard warranty, and usein critical applicationsof Texas
Not Recommended for New Designs
