NPS4053-Q100 是一款 5.5 V、55 mΩ 负载开关，具有从 110 mA 至 2.5 A 的精确可调电流限制。当输出负载超过电流限制阈值或短路。当输出电压高于输入电压时，内部电压比较器会禁用负载开关，以保护开关输入侧的设备。FLG 引脚为低电平有效输出，用于指示过流、过温和反向电压状况。该产品已通过汽车电子委员会 (AEC) 标准 Q100（1 级）认证，适合在汽车应用中使用。

特性

• Automotive product qualification in accordance with AEC-Q100 (Grade 1)

• Specified from -40 °C to +125 °C

• Input operating voltage range (VIN): 2.5 V to 5.5 V

• Maximum continuous current (IMAX): 2 A

• ON resistance (RDS(on)):

• VIN = 5.5 V: 55 mΩ (typical)

• VIN = 3.6 V: 65 mΩ (typical)

• VIN = 2.5 V: 80 mΩ (typical)

• Adjustable current limit: 110 mA to 2.5 A

• ±6 % current limit accuracy at 1.2 A

• ILIM pin protection: can be shorted to ground or left floating

• Constant current during current limit

• No body diode when disabled (no current path from pin OUT to pin IN)

• Active reverse voltage protection

• Built in soft start

• UL 62368 recognition

• SOT457 (TSOP6) and SOT8044-1 (HWSON6) package option

• ESD protection:

• HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

• CDM: ANSI/ESDA/JEDEC JS-002 class C2a exceeds 500 V

• IEC 61000-4-2 contact discharge 8000 V

• IEC 61000-4-2 air-gap discharge 15000 V

目标应用

• USB ports/hubs

• Power distribution in Electronic Control Unit

• Current limiting circuits

Note: Connect at least 120 µF capacitor at output for USB port application, other applications except USB choose output capacitor according to actual transient requirements.

型号	封装	尺寸版本	回流焊/波峰焊	包装	状态	标示	器件编号
NPS4053GH-Q100	HWSON6 (SOT8044-1)	SOT8044-1		SOT8044-1_147	Active	s3	NPS4053GH-Q100Z ( 9356 915 31147 )
NPS4053GV-Q100	TSOP6 (SOT457)	SOT457	REFLOW_BG-BD-1 WAVE_BG-BD-1	SOT457_125	Active	s3	NPS4053GV-Q100H ( 9356 915 32125 )