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TPS61160A

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采用 2mm x 2mm 封裝且具有 PWM 亮度控制功能的白光 LED 驅(qū)動器，支持多達(dá) 10 個串聯(lián) LED

產(chǎn)品詳情

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(biāo)題 下載最新的英語版本 日期
* 數(shù)據(jù)表 TPS6116xA White LED Driver with PWM Brightness Control in 2-mm x 2-mm WSON Package 數(shù)據(jù)表 (Rev. C) PDF | HTML 2016年 7月 14日
白皮書 常見 LED 功能和 LED 驅(qū)動器設(shè)計(jì)注意事項(xiàng) 英語版 2020年 9月 21日
應(yīng)用手冊 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
選擇指南 電源管理指南 2018 (Rev. K) 2018年 7月 31日
選擇指南 電源管理指南 2018 (Rev. R) 2018年 6月 25日
應(yīng)用手冊 How to Use Analog Dimming With TPS6116x 2011年 8月 5日
更多文獻(xiàn)資料 Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 2001年 2月 15日

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支持的產(chǎn)品和硬件

支持的產(chǎn)品和硬件

產(chǎn)品
汽車 LED 驅(qū)動器
TPS61161-Q1 — 采用 2mm x 2mm QFN 封裝且具有數(shù)字和 PWM 亮度控制功能的汽車類白光 LED 驅(qū)動器
背光 LED 驅(qū)動器
TPS61160 — 采用 2mm x 2mm 封裝且具有數(shù)字和 PWM 亮度控制功能的白光 LED 驅(qū)動器 TPS61160A — 采用 2mm x 2mm 封裝且具有 PWM 亮度控制功能的白光 LED 驅(qū)動器，支持多達(dá) 10 個串聯(lián) LED TPS61161 — 采用 2mm x 2mm WSON 封裝且具有數(shù)字和 PWM 亮度控制功能的白光 LED 驅(qū)動器 TPS61165 — 采用 2mm x 2mm QFN 封裝的高亮度白光 LED 驅(qū)動器 TPS61166 — 具有集成功率二極管和快速突發(fā)調(diào)光模式的白光 LED 驅(qū)動器
AC/DC 和 DC/DC 轉(zhuǎn)換器（集成 FET）
TLV62130A — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V、3A 降壓轉(zhuǎn)換器 TLV62150A — 采用 3x3 QFN 封裝、具有 DCS-Control 的 4V 至 17V、1A 降壓轉(zhuǎn)換器 TPS62130 — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V、3A 降壓轉(zhuǎn)換器 TPS62130A — 采用 3x3 QFN 封裝、具有 DCS-control 的 3V 至 17V 3A 降壓轉(zhuǎn)換器 TPS62140 — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V、2A 降壓轉(zhuǎn)換器 TPS62140A — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V、2A 降壓轉(zhuǎn)換器 TPS62150 — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V、1A 降壓轉(zhuǎn)換器 TPS62150A — 采用 3x3 QFN 封裝、具有 DCS-Control 的 3V 至 17V 1A 降壓轉(zhuǎn)換器
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