TPS65561 - Photo Flash Capacitor Charger

TPS65561是TI德州仪器公司的一款相机闪光灯LED驱动器产品，TPS65561是Photo Flash Capacitor Charger，本站介绍了TPS65561的封装应用图解、特点和优点、功能等，并给出了与TPS65561相关的TI元器件型号供参考。

TPS65561 - Photo Flash Capacitor Charger - 相机闪光灯LED驱动器 - LED驱动器 - 德州仪器

产品描述

This device offers a complete solution for charging a photo flash capacitor from a battery input, and subsequently discharging the capacitor to a xenon flash tube. The device has an integrated voltage reference, power switch, IGBT driver, and control logic blocks for capacitor charging applications and driving IGBT applications. Compared with discrete solutions, this device reduces the component count, shrinks the solution size, and eases designs for xenon tube applications. Additional advantages are a fast charging time and high efficiency from an optimized PWM control algorithm.

Other provisions of the device includes sensing the output voltage from the primary side, programmable peak current, thermal shutdown, an output pin for charge completion, and input pins for charge enable and flash enable.

产品特性

Highly Integrated Solutionto Reduce Components
Integrated Voltage Reference
Integrated 50-V Power Switch,
Integrated IGBT Driver
High Efficiency
Programmable Peak Current: 1.1 A to 2.2 A
Input Battery Voltage of 1.6 V to 12 V
Optimized Control Loop for Fast Charge Time
Output Voltage Feedback From Primary Side
16-Pin QFN Package
Protection
- MAX On Time
- MAX Off Time
- Overcurrent Shutdown to Monitor VDS at the SW pin (OVDS)
- Thermal Monitor
APPLICATIONS
- Digital Still Cameras
- Optical Film Cameras

PowerPAD is a trademark of Texas Instruments.

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