- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：LED 驱动器 - 背光 LED 驱动器
- 功能描述：采用 2mm x 2mm WSON 封装且具有 PWM 亮度控制功能的白光 LED 驱动器，支持多达 10 个串联 LED
- 点击这里打开及下载TPS61161A的技术文档资料
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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.- 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
- Number of channels (#)
- 1
- Vin (Min) (V)
- 2.7
- Vin (Max) (V)
- 18
- Vout (Min) (V)
- 2.7
- Vout (Max) (V)
- 38
- Type
- Inductive
- Switching frequency (Max) (kHz)
- 600
- LED current per channel (mA)
- 20
- Peak efficiency (%)
- 90
- Topology
- Boost
- Features
- EasyScale 1-Wire Interface, Load Disconnect During Shutdown
- Operating temperature range (C)
- -40 to 85
TPS61161A的完整型号有：HPA00810ADRVR-2/2、TPS61161ADRVR、TPS61161ADRVT，以下是这些产品的关键参数及官网采购报价：
HPA00810ADRVR-2/2，工作温度：-40 to 85，封装：WSON (DRV)-6，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：-，引脚镀层/焊球材料：-，TI官网HPA00810ADRVR-2/2的批量USD价格：.419（1000+）
TPS61161ADRVR，工作温度：-40 to 85，封装：WSON (DRV)-6，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS61161ADRVR的批量USD价格：.419（1000+）
TPS61161ADRVT，工作温度：-40 to 85，封装：WSON (DRV)-6，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAUAG，TI官网TPS61161ADRVT的批量USD价格：.503（1000+）
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