首頁 電源管理 AC/DC 和 DC/DC 控制器 (外部 FET)
首頁
電源管理
AC/DC 和 DC/DC 控制器 (外部 FET)

LM51501-Q1

現行

車用 1.5-V 至 42-V VIN、低 IQ 升壓控制器，具 6V、6.5V、9.5V、11.5V 輸出選項

立即訂購
產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
LM51521-Q1 現行 具有停用旁路模式的車用 2.2-MHz大範圍 VIN 低 IQ 同步升壓控制器 LM51521-Q1 is a synchronous boost with higher efficiency

LM51501-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Topology Boost Vin (max) (V) 42 Vin (min) (V) 1.5 Vout (max) (V) 11.5 Vout (min) (V) 6 Control mode current mode Features Adjustable current limit, Enable, Frequency synchronization, Light-load efficiency, Nonsynchronous rectification, Spread Spectrum Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 15 Duty cycle (max) (%) 87 TI functional safety category Functional Safety-Capable EMI features Frequency Dithering, Spread Spectrum
Rating Automotive Topology Boost Vin (max) (V) 42 Vin (min) (V) 1.5 Vout (max) (V) 11.5 Vout (min) (V) 6 Control mode current mode Features Adjustable current limit, Enable, Frequency synchronization, Light-load efficiency, Nonsynchronous rectification, Spread Spectrum Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 15 Duty cycle (max) (%) 87 TI functional safety category Functional Safety-Capable EMI features Frequency Dithering, Spread Spectrum
WQFN (RUM) 16 16 mm² 4 x 4
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
  • Wide VIN input range from 1.5 V to 42 V when VOUT ≥ 5 V (65-V absolute maximum)
  • Low shutdown current (IQ ≤ 5 µA)
  • Low standby current (IQ ≤ 15 µA)
  • Four programmable output voltage options and two selectable configurations
    • 6.0 V, 6.5 V, 9.5 V, or 11.5 V
    • Start-stop or e-call configurations
  • Adjustable switching frequency from 220 kHz to 2.3 MHz
  • Automatic wake-up and standby mode transition
  • Optional clock synchronization
  • Boost status indicator
  • 1.5-A peak MOSFET gate driver
  • Adjustable cycle-by-cycle current limit
  • Thermal shutdown
  • 16-pin WQFN with wettable and non-wettable flank options
  • Create a custom design using the LM51501-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
  • Wide VIN input range from 1.5 V to 42 V when VOUT ≥ 5 V (65-V absolute maximum)
  • Low shutdown current (IQ ≤ 5 µA)
  • Low standby current (IQ ≤ 15 µA)
  • Four programmable output voltage options and two selectable configurations
    • 6.0 V, 6.5 V, 9.5 V, or 11.5 V
    • Start-stop or e-call configurations
  • Adjustable switching frequency from 220 kHz to 2.3 MHz
  • Automatic wake-up and standby mode transition
  • Optional clock synchronization
  • Boost status indicator
  • 1.5-A peak MOSFET gate driver
  • Adjustable cycle-by-cycle current limit
  • Thermal shutdown
  • 16-pin WQFN with wettable and non-wettable flank options
  • Create a custom design using the LM51501-Q1 with the WEBENCH Power Designer

The LM51501-Q1 is a wide input range automatic boost controller. The device can be used to maintain a stable output voltage during automotive cranking from a vehicle battery or from a backup battery.

The LM51501-Q1 switching frequency is programmed by a resistor from 220 kHz to 2.3 MHz. Fast switching (≥ 2.2 MHz) minimizes AM band interference and allows for a small solution size and fast transient response.

The LM51501-Q1 operates in low IQ standby mode when the input or output voltage is above the preset standby thresholds and automatically wakes up when the output voltage drops below the preset wake-up threshold.

The device transitions in and out of low IQ standby mode to extend battery life at light load. A single resistor programs the target output regulation voltage as well as the configuration. Additional features include low shutdown current, boost status indicator, adjustable cycle-by-cycle current limit, and thermal shutdown. A status indicator can be used to control a circuit to bypass the diode when the part is not boosting in order to reduce power dissipation. In E-call mode, the device can be used to control a disconnect switch to protect the backup-battery.

The LM51501-Q1 is a wide input range automatic boost controller. The device can be used to maintain a stable output voltage during automotive cranking from a vehicle battery or from a backup battery.

The LM51501-Q1 switching frequency is programmed by a resistor from 220 kHz to 2.3 MHz. Fast switching (≥ 2.2 MHz) minimizes AM band interference and allows for a small solution size and fast transient response.

The LM51501-Q1 operates in low IQ standby mode when the input or output voltage is above the preset standby thresholds and automatically wakes up when the output voltage drops below the preset wake-up threshold.

The device transitions in and out of low IQ standby mode to extend battery life at light load. A single resistor programs the target output regulation voltage as well as the configuration. Additional features include low shutdown current, boost status indicator, adjustable cycle-by-cycle current limit, and thermal shutdown. A status indicator can be used to control a circuit to bypass the diode when the part is not boosting in order to reduce power dissipation. In E-call mode, the device can be used to control a disconnect switch to protect the backup-battery.
filter 尋找其它 AC/DC 和 DC/DC 控制器 (外部 FET)
下載 觀看有字幕稿的影片 影片

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 2
類型 標題 日期
* Data sheet LM51501-Q1 Wide VIN Automotive Low IQ Boost Controller datasheet (Rev. C) PDF | HTML 2021年 10月 5日
Functional safety information LM5150x-Q1 Functional Safety, FIT Rate, and Failure Mode Distribution 2020年 5月 22日

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)。

開發板

LM5150RUMEVM — LM5150RUM 評估模組

LM5150RUMEVM 評估模組 (EVM) 專為車輛發動期間，從電池端提供最低穩定電壓而設計，為設計工程師提供功能齊全的升壓轉換器，用以評估 LM5150 寬電壓輸入車用低靜態電流升壓控制器 IC。

此 EVM 啟動時至少需要 5V 的輸出電壓。啟動後，輸入電壓可降至 2.5V，也可升至 40V。當負載電流達到 2.94A 時，此 EVM 仍可維持至少 8.5V 的輸出電壓。當輸入/輸出電壓足以確保輸出達到 8.5V 時，外部 PMOS 旁路開關會自動導通以降低功耗。

使用指南: PDF
TI.com 無法提供
開發板

LM5150RUMHDEVM — LM5150RUMHDEVM 評估模組

LM5150RUMHDEVM 評估模組 (EVM) 專為起動期間，從電池端提供最低穩定電壓而設計，並展示使用 LM5150 寬輸入電壓車用低 IQ 升壓控制器 IC 的高密度配置設計範例。

此 EVM 啟動時至少需要 5V 的輸出電壓。啟動後，輸入電壓可降至 3.2V，也可升至 40V。當負載電流達到 1.1A（連續）、2.2A（峰值）時，此 EVM 仍可產生最小電壓為 6.8V。當輸入/輸出電壓足夠高，能確保輸出端的最小電壓為 6.8V 時，裝置會自動進入低 IQ 待機模式。

使用指南: PDF
TI.com 無法提供
模擬型號

LM51501-Q1 PSpice Transient Model

SNVMBH5.ZIP (150 KB) - PSpice Model
下載
Gerber 檔案

LM51501-Q1 Boost Controller Quick Start Calculator (Rev. A)

SNVC217A.ZIP (275 KB)
下載
封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RUM) 16 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

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

以英文檢視所有論壇主題

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