計算工具
產品規格表
LM51521-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C, TA
- Functional Safety-Capable
- Suited for wide operating range automotive battery powered applications
- 3.8-V to 42-V input operating range
- Dynamically programmable VOUT from 5 V to 20 V (protection up to 57 V)
- Minimum boost input 0.8 V when BIAS ≥ 3.8 V
- Bypass operation when VSUPPLY > VLOAD (LM5152 only, see the device comparison table)
- Minimized battery drain
- Shutdown current ≤ 3 µA
- Automatic mode transition
- Battery drain in deep sleep ≤ 11 µA (bypass operation, charge pump off)
- Battery drain in deep sleep ≤ 33 µA (bypass operation, charge pump on)
- BIAS IQ in sleep ≤ 13 µA (skip mode)
- Strong 5-V MOSFET drivers
- Small solution size and low cost
- 2.2-MHz maximum switching frequency
- Internal boot diode
- Constant peak current limit over VIN
- Supports DCR inductor current sensing
- QFN-20 with wettable flanks
- Avoid AM band interference and crosstalk
- Optional clock synchronization
- 100-kHz to 2.2-MHz switching frequency
- Selectable switching mode (FPWM, diode emulation, skip mode)
- EMI mitigation
- Optional programmable spread spectrum
- Lead-less package
- Programmability and flexibility
- Dynamic VOUT tracking
- Dynamic switching frequency programming
- Programmable line UVLO
- Adjustable soft start
- Adaptive dead time
- Boost STATUS indicator
- Integrated protection features
- Cycle-by-cycle peak current limit
- Overvoltage protection
- HB-SW short protection
- Thermal shutdown
The LM5152x-Q1 (LM5152-Q1 and LM51521-Q1) device is a wide input range synchronous boost controller that employs peak current mode control.
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 2 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM5152x-Q1 Automotive Low-IQ Synchronous Boost Controller for Start-Stop/Backup Battery Power Supply datasheet (Rev. A) | PDF | HTML | 2022年 4月 14日 |
| Functional safety information | LM5152x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | PDF | HTML | 2022年 3月 30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
LM5152EVM-BST — 用於升壓控制器的 LM5152 評估模組
LM5152EVM-BST 評估模組 (EVM) 展示了 LM5152-Q1 寬輸入電壓同步升壓控制器的功能和性能，其中包括：
- 低 IQ 操作
- 內部回饋電阻器
- 當 VIN 大於 VOUT 調節目標時執行旁路模式操作
- 動態輸出電壓追蹤
- 狀態指示燈
- 可編程頻率
- 時脈抖動
- 可編程 UVLO。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGR) | 20 | Ultra Librarian |
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