LM9061-Q1 - 具有无损保护的功率 MOSFET 驱动器

LM9061-Q1是TI德州仪器公司的一款热插拔控制器（正48V)产品，LM9061-Q1是具有无损保护的功率 MOSFET 驱动器，本站介绍了LM9061-Q1的封装应用图解、特点和优点、功能等，并给出了与LM9061-Q1相关的TI元器件型号供参考。

LM9061-Q1 - 具有无损保护的功率 MOSFET 驱动器 - 热插拔控制器（正48V) - 保护、监控和热插拔 - 德州仪器

产品特性

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
Withstands 60-V Supply Transients
Overvoltage Shut-OFF With VCC > 30V
Lossless Overcurrent Protection Latch-OFF
- Current Sense Resistor is Not Required
- Minimizes Power Loss With High Current Loads
Programmable Delay of Protection Latch-OFF
Gradual turn-OFF to Minimize Inductive Load Transient Voltages
CMOS Logic Compatible ON/OFF Control Input

产品应用

Transmission Control Unit (TCU)
Engine Control Unit (ECU)
Valve, Relay and Solenoid Drivers
Lamp Drivers
DC Motor PWM Drivers
Logic-Controlled Power Supply Distribution Switch
Electronic Circuit Breaker
High-Power Audio Speakers

产品说明

The LM9061 is a charge-pump device which provides the gate drive to an external power MOSFET of any size configured as a high-side driver or switch. This includes multiple parallel connected MOSFETs for very high current applications. A CMOS logic compatible ON/OFF input controls the output gate drive voltage. In the ON state, the charge pump voltage, which is well above the available VCC supply, is directly applied to the gate of the MOSFET. A built-in 15-V Zener clamps the maximum gate to source voltage of the MOSFET. When commanded OFF a 110-µA current sink discharges the gate capacitances of the MOSFET for a gradual turn-OFF characteristic to minimize the duration of inductive load transient voltages and further protect the power MOSFET.

Lossless protection of the power MOSFET is a key feature of the LM9061. The voltage drop (VDS) across the power device is continually monitored and compared against an externally programmable threshold voltage. A small current sensing resistor in series with the load, which causes a loss of available energy, is not required for the protection circuitry. If the VDS voltage, due to excessive load current, exceeds the threshold voltage, the output is latched OFF in a more gradual fashion (through a 10-µA output current sink) after a programmable delay time interval.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM9061/-Q1	SOIC (8)	4.9 mm × 3.91 mm

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