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TPS92360

現行

38-V 1.2-A 單通道 LED 背光驅動器

立即訂購
產品規格表

TPS92360

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) 5.5 Vout (min) (V) 2.7 Vout (max) (V) 38 Type Inductive Switching frequency (max) (kHz) 1500 Duty cycle (max) (%) 100 LED current per channel (mA) 400 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) 5.5 Vout (min) (V) 2.7 Vout (max) (V) 38 Type Inductive Switching frequency (max) (kHz) 1500 Duty cycle (max) (%) 100 LED current per channel (mA) 400 Peak efficiency (%) 90 Topology Boost Operating temperature range (°C) -40 to 85 Rating Catalog
SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1
  • 2.7-V to 5.5-V input voltage
  • Integrated 40-V, 1.8-A MOSFET
  • Drives LED string up to 38 V
  • 1.2-A minimum switch current limit
  • 1.2-MHz switching frequency
  • 204-mV reference voltage
  • Internal compensation
  • PWM brightness control
  • Open LED protection
  • Undervoltage protection
  • Built-in soft-start
  • Thermal shutdown
  • Up to 90% efficiency
  • 2.7-V to 5.5-V input voltage
  • Integrated 40-V, 1.8-A MOSFET
  • Drives LED string up to 38 V
  • 1.2-A minimum switch current limit
  • 1.2-MHz switching frequency
  • 204-mV reference voltage
  • Internal compensation
  • PWM brightness control
  • Open LED protection
  • Undervoltage protection
  • Built-in soft-start
  • Thermal shutdown
  • Up to 90% efficiency

With a 40-V rated integrated switch FET, the TPS92360 is a boost converter that drives LEDs in series. The boost converter has a 40-V, 1.8-A internal MOSFET with minimum 1.2-A current limit; thus it can drive single or parallel LED strings for small- to large-size panel backlighting. The default white LED current is set with the external sensor resistor, RSET, and the feedback voltage is regulated to 204 mV, as shown in the Simplified Schematic. During the operation, the LED current can be controlled by using a pulse width modulation (PWM) signal applied to the CTRL pin, through which the duty cycle determines the feedback reference voltage. The TPS92360 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 TPS92360 to prevent the output voltage from exceeding the absolute maximum voltage ratings of the device during open LED conditions.

The TPS92360 is available in a space-saving 5-pin SC70 package.

With a 40-V rated integrated switch FET, the TPS92360 is a boost converter that drives LEDs in series. The boost converter has a 40-V, 1.8-A internal MOSFET with minimum 1.2-A current limit; thus it can drive single or parallel LED strings for small- to large-size panel backlighting. The default white LED current is set with the external sensor resistor, RSET, and the feedback voltage is regulated to 204 mV, as shown in the Simplified Schematic. During the operation, the LED current can be controlled by using a pulse width modulation (PWM) signal applied to the CTRL pin, through which the duty cycle determines the feedback reference voltage. The TPS92360 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 TPS92360 to prevent the output voltage from exceeding the absolute maximum voltage ratings of the device during open LED conditions.

The TPS92360 is available in a space-saving 5-pin SC70 package.
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* Data sheet TPS92360 38-V 1.2-A Single Channel LED Backlight Driver datasheet PDF | HTML 2021年 3月 8日

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參考設計

TIDA-010932 — 具有電池備援的 24-VAC 功率級參考設計

此參考設計專門針對使用 24 VAC 電源的智慧空調與其它閘道建築自動化終端設備，提供高效率的功率級解決方案。此功率級採用 24-VAC 輸入，並產生 5 V 與 3.3 V 輸出軌，可在新增時為額外的負載點轉換器供電。此設計提供 LiPo 電池充電，並在供電不足時無縫切換至電池電源。BoosterPack 外型尺寸允許設計人員利用其它 launchpad 評估此電源架構，並且包含 LED 驅動器和電流感測功能。
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