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TPS61160 - 产品图解：
TPS61160-采用 2mm x 2mm 封装的具有数字和 PWM 亮度控制的白光 LED 驱动器
TPS61160-背光-LED驱动器-电源管理
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TI产品 - TPS61160介绍

TPS61160 - 采用 2mm x 2mm 封装的具有数字和 PWM 亮度控制的白光 LED 驱动器

TPS61160是TI德州仪器公司的一款背光产品，TPS61160是采用 2mm x 2mm 封装的具有数字和 PWM 亮度控制的白光 LED 驱动器，本站介绍了TPS61160的封装应用图解、特点和优点、功能等，并给出了与TPS61160相关的TI元器件型号供参考。

TPS61160 - 采用 2mm x 2mm 封装的具有数字和 PWM 亮度控制的白光 LED 驱动器 - 背光 - LED驱动器 - 德州仪器

产品特性
  • 2.7-V to 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
  • Up to 90% Efficiency
产品应用
  • Cellular Phones
  • Portable Media Players
  • Ultra Mobile Devices
  • GPS Receivers
  • White LED Backlighting for Media Form Factor Display
产品说明

With a 40-V rated integrated switch FET, the TPS61160 and TPS61161 are boost converters that drive LEDs in series. The boost converters run at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allow for the use of small external components.

The default white LED current is set with the external sensor resistor RSET, and the feedback voltage is 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 applied to 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 available in a space-saving, 2-mm × 2-mm SON package with thermal pad.

产品器件信息
PART NUMBERPACKAGEOPEN LED PROTECTION
TPS61160SON (6)TPS61160 use 26 V (typical)
TPS61161TPS61161 use 38 V (typical)
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