首頁 電源管理 LED 驅動器 汽車 LED 驅動器

TPS925302-Q1

現行

車用雙通道、恆定電流和恆定電壓同步降壓 LED 驅動器,具備 SPI

產品詳細資料

Number of channels 2 Topology Buck Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -45 to 120 Vin (min) (V) 4.5 Vin (max) (V) 65 Vout (min) (V) 0 Vout (max) (V) 65 Iout (max) (A) 2 Iq (typ) (mA) 3000 Switching frequency (max) (kHz) 1200 Features Fault Detection, LED Open Detection, Precision Dimming Control, Thermal Error Flag, Thermal shutdown
Number of channels 2 Topology Buck Rating Automotive TI functional safety category Functional Safety-Compliant Operating temperature range (°C) -45 to 120 Vin (min) (V) 4.5 Vin (max) (V) 65 Vout (min) (V) 0 Vout (max) (V) 65 Iout (max) (A) 2 Iq (typ) (mA) 3000 Switching frequency (max) (kHz) 1200 Features Fault Detection, LED Open Detection, Precision Dimming Control, Thermal Error Flag, Thermal shutdown
HTQFP (PKD) 48 81 mm² (9 mm × 9 mm)
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C5
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 system design up to ASIL B

  • 4.5V to 65V wide input voltage range
  • Configurable constant voltage and constant current operation
    • Up to 2A continuous output current
    • 4% regulation accuracy (voltage and current mode)
  • Adaptive on-time average current control
  • Programmable switching frequency from 100kHz to 1.2MHz
  • Advanced dimming operation
    • 10-bit precision analog dimming
    • 10-bit precision internal PWM dimming
    • Supports external PWM dimming input
    • Optimized for external shunt dimming including LED matrix manager
  • Cycle-by-cycle switch overcurrent protection
  • Switch thermal protection
  • Serial Peripheral Interface (SPI)
    • Configurable analog reference, switching frequency, and PWM dimming duty cycle
    • Fault monitoring and reporting
  • Limp-home (LH) and standalone mode operation
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C5
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 system design up to ASIL B

  • 4.5V to 65V wide input voltage range
  • Configurable constant voltage and constant current operation
    • Up to 2A continuous output current
    • 4% regulation accuracy (voltage and current mode)
  • Adaptive on-time average current control
  • Programmable switching frequency from 100kHz to 1.2MHz
  • Advanced dimming operation
    • 10-bit precision analog dimming
    • 10-bit precision internal PWM dimming
    • Supports external PWM dimming input
    • Optimized for external shunt dimming including LED matrix manager
  • Cycle-by-cycle switch overcurrent protection
  • Switch thermal protection
  • Serial Peripheral Interface (SPI)
    • Configurable analog reference, switching frequency, and PWM dimming duty cycle
    • Fault monitoring and reporting
  • Limp-home (LH) and standalone mode operation

Automotive headlight and adaptive LED driving module

下載 觀看有字幕稿的影片 影片

索取更多資訊

提供完整產品規格表和其它資訊。立即索取

提供功能安全手冊、報告和定量分析報告 - 需要 NDA。立即索取

技術文件

找不到結果。請清除您的搜尋條件,然後再試一次。
檢視所有 1
重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS925302-Q1 Automotive 2-Channel, Constant-Current and Constant-Voltage Synchronous Buck LED Driver datasheet PDF | HTML 2026/3/4

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

封裝 針腳 CAD 符號、佔位空間與 3D 模型
HTQFP (PKD) 48 Ultra Librarian

訂購與品質

建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

內容係由 TI 和社群貢獻者依「現狀」提供,且不構成 TI 規範。檢視使用條款

若有關於品質、封裝或訂購 TI 產品的問題,請參閱 TI 支援。​​​​​​​​​​​​​​

影片