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TPS61160A

現行

採用 2mm x 2mm 封裝，具 PWM 亮度控制的白色 LED 驅動器。最多可串聯 10 個 LED

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產品規格表

TPS61160A

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 26 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 1 Vin (min) (V) 2.7 Vin (max) (V) 18 Vout (min) (V) 2.7 Vout (max) (V) 26 Type Inductive Switching frequency (max) (kHz) 600 Duty cycle (max) (%) 93 LED current per channel (mA) 20 Peak efficiency (%) 90 Topology Boost Operating temperature range (°C) -40 to 85 Rating Catalog
WSON (DRV) 6 4 mm² 2 x 2
  • 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
  • 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

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.

For all available packages, see the orderable addendum at the end of the data sheet.

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.

For all available packages, see the orderable addendum at the end of the data sheet.
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類型 標題 日期
* Data sheet TPS6116xA White LED Driver with PWM Brightness Control in 2-mm x 2-mm WSON Package datasheet (Rev. C) PDF | HTML 2016年 7月 14日
White paper Common LED Functions and LED Driver Design Considerations 2020年 9月 21日
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note How to Use Analog Dimming With TPS6116x 2011年 8月 5日
More literature Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 2001年 2月 15日

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