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TPS61165-Q1

現行

車用高亮度白光 LED 驅動器

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產品規格表

TPS61165-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Topology Boost Rating Automotive Operating temperature range (°C) -40 to 105 Vin (min) (V) 3 Vin (max) (V) 18 Vout (min) (V) 3 Vout (max) (V) 38 Iout (max) (A) 0.4 Iq (typ) (mA) 1.5 Switching frequency (max) (kHz) 1200 Features Load Disconnect During Shutdown, Synchronous Rectification
Number of channels 1 Topology Boost Rating Automotive Operating temperature range (°C) -40 to 105 Vin (min) (V) 3 Vin (max) (V) 18 Vout (min) (V) 3 Vout (max) (V) 38 Iout (max) (A) 0.4 Iq (typ) (mA) 1.5 Switching frequency (max) (kHz) 1200 Features Load Disconnect During Shutdown, Synchronous Rectification
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Qualified for Automotive Applications
  • 40-V Maximum Breakdown Voltage of Internal
    MOSFET
  • 38-V Open LED Protection
  • 200-mV Reference Voltage With 2% Accuracy
  • 1.2-A Switch FET With 1.2-MHz Switching
    Frequency
  • Flexible 1-Wire Digital and PWM Brightness
    Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • SOT-23 Package
  • Qualified for Automotive Applications
  • 40-V Maximum Breakdown Voltage of Internal
    MOSFET
  • 38-V Open LED Protection
  • 200-mV Reference Voltage With 2% Accuracy
  • 1.2-A Switch FET With 1.2-MHz Switching
    Frequency
  • Flexible 1-Wire Digital and PWM Brightness
    Control
  • Built-in Soft Start
  • Up to 90% Efficiency
  • SOT-23 Package

With a 40-V rated integrated switch FET, the TPS61165-Q1 device is a boost converter that drives LEDs in series. The boost converter runs at a 1.2-MHz fixed switching frequency with 1.2-A switch current limit, and allows for the use of a high brightness LED in general lighting.

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 section. During the operation, the LED current can be controlled using the 1-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 TPS61165-Q1 device does not burst the LED current; therefore, the device does not generate audible noises on the output capacitor. For maximum protection, the TPS61165-Q1 device features integrated open LED protection that disables it to prevent the output from exceeding its absolute maximum voltage ratings during open LED conditions.

The TPS61165-Q1 device is available in a SOT-23 package.

With a 40-V rated integrated switch FET, the TPS61165-Q1 device is a boost converter that drives LEDs in series. The boost converter runs at a 1.2-MHz fixed switching frequency with 1.2-A switch current limit, and allows for the use of a high brightness LED in general lighting.

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 section. During the operation, the LED current can be controlled using the 1-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 TPS61165-Q1 device does not burst the LED current; therefore, the device does not generate audible noises on the output capacitor. For maximum protection, the TPS61165-Q1 device features integrated open LED protection that disables it to prevent the output from exceeding its absolute maximum voltage ratings during open LED conditions.

The TPS61165-Q1 device is available in a SOT-23 package.
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* Data sheet TPS61165-Q1 High-Brightness White LED Driver in SOT-23 Package datasheet (Rev. B) PDF | HTML 2014年 10月 9日
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日

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TPS61165EVM-283 — TPS61165EVM-283 評估模組

The TPS61165EVM-283 facilitates evaluation of the TPS61165 High Brightness White LED Driver. With its 40 V rated integrated switch FET, the TPS61165 is a boost converter to driver up to 10 LEDs in series. The boost converter runs at 1.2 Hz fixed switching frequency to reduce output (...)

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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