LM74670-SQEVM
LM74670-Q1 評估板
LM74670-SQEVM
概覽
The LM74670-SQEVM evaluation module demostrates reverse polarity protection as a replacement of Schottkey Diodes and P-Channel MOSFETs. In this reverse polarity protection solution the LM74670 Smart Diode Controller is used to provide a gate drive for 40V (VDS) external N-Channel MOSFET. The LM74670-SQEVM emulates an ideal diode properties when connected in series with a power supply. When a negative voltage is senced at the Input, the LM74670 pulls down the MOSFET gate and isolates the connected load from the power supply. The TVS voltage clamping diodes D1_1 and D1_2 make LM74670-SQEVM safe for ISO7637 transient pulse testing.
特點
- Maximum Reverse Voltage: -45V
- Fast Response to Dynamic Current Reversal <10μs
- Maxium Input Voltage is Drain-Source voltage of the MOSFET: 40V
- Maximum Load Current is Drain Current (Id): 75A
- Zero Iq and Low Reverse Leakage Current
- Meets Automotive ISO7637 and CISPR25 Requirements
- LM74670-SQEVM Reverse Polarity Protection Smart Diode Controller Evaluation Module
理想二極體與 ORing 控制器
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| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | EVM User's guide | LM74670-SQEVM User's Guide | 2015/10/20 | |||
| 證書 | LM74670-SQEVM EU Declaration of Conformity (DoC) | 2019/1/2 |