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TPS61161A - 产品图解：
TPS61161A-采用 2mm x 2mm 封装的具有 PWM 亮度控制的白光 LED 驱动器。 多达 10 个串联的 LED
TPS61161A-背光-LED驱动器-电源管理
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TI产品 - TPS61161A介绍

TPS61161A - 采用 2mm x 2mm 封装的具有 PWM 亮度控制的白光 LED 驱动器。 多达 10 个串联的 LED

TPS61161A是TI德州仪器公司的一款背光产品，TPS61161A是采用 2mm x 2mm 封装的具有 PWM 亮度控制的白光 LED 驱动器。 多达 10 个串联的 LED，本站介绍了TPS61161A的封装应用图解、特点和优点、功能等，并给出了与TPS61161A相关的TI元器件型号供参考。

TPS61161A - 采用 2mm x 2mm 封装的具有 PWM 亮度控制的白光 LED 驱动器。 多达 10 个串联的 LED - 背光 - LED驱动器 - 德州仪器

产品特性
  • Input Voltage Range: 2.7 V to 18 V
  • 26-V Open LED Protection for TPS61160A 38-V Open LED Protection for TPS61161A
  • 200mV Reference Voltage With ±2% Accuracy
  • PWM Interface for Brightness Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • 2-mm × 2-mm × 0.8-mm 6-Pin WSON Package With Thermal Pad
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 TPS61160A/61A is a boost converter that drives LEDs in series. The boost converter runs at 600-kHz fixed switching frequency to reduce output ripple, improve conversion efficiency, and allows 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 by a pulse width modulation (PWM) signal applied to the CTRL pin through which the duty cycle determines the feedback reference voltage. In PWM dimming mode, the TPS61160A/61A does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61160A/61A to prevent the output from exceeding the absolute maximum ratings during open LED conditions.

The TPS61160A/61A is available in a space-saving, 2-mm × 2-mm WSON package with thermal pad.

产品器件信息
PART NUMBERPACKAGEOPEN LED PROTECTION
TPS61160AWSON (6)TPS61160A use 26 V (typical)
TPS61161ATPS61161A use 38 V (typical)
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