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SC8748Q是一款带有四个集成功率开关的升降压转换器,能够将输出电压调节至高于、低于或等于输入电压。SC8748Q的工作输入电压范围宽达3.7V至36V,可输出2.5V至20V的电压,以支持各种应用。 SC8748Q适用于多种多功能汽车和工业应用,如高级驾驶辅助系统(ADAS)和汽车照明应用。 SC8748Q采用电流模式控制方案。通过I2C接口,准恒定开关频率可设置为200kHz、400kHz、600kHz或1MHz。SC8748Q还提供可选的展频功能,以优化电磁干扰(EMI)性能。 SC8748Q提供输出过压保护、逐周期电流限制、输出欠压保护、输入过压和热关断保护。 SC8748Q采用34引脚、尺寸为4mm x 5mm x 0.85mm的可润湿侧翼QFN封装。
Features
AEC-Q100 qualified for automotive applications:
- Temperature grade 1: TA range: -40°C to 125 °C
4V to 36V start up input voltage, support 3.7V falling VIN
2.5V to 20V output voltage range
Up to 3A continuous output current
Programmable reference voltage range: 0.5V 2V with
10mV resolution
I2C Interface for:
- Converter ON/OFF
- Input range selection
- Output voltage dynamic scaling
- 200kHz / 400kHz / 600kHz / 1MHz switching
frequency
- Auto PFM / Forced PWM
- Spread spectrum dithering
- Current limit setting
- Soft-start time
- Compensation network parameter
- Protection mode selection
- Power good threshold setting
Protection features:
- Output over-voltage protection
- Cycle-by-cycle current limit
- Output under-voltage protection
- Input over-voltage protection
- Thermal shutdown protection
3. Applications
Automotive Infotainment
Automotive ADAS
Automotive Sensor Fusion System
Automotive Wireless Charging
SC8748Q是一款带有四个集成功率开关的升降压转换器,能够将输出电压调节至高于、低于或等于输入电压。SC8748Q的工作输入电压范围宽达3.7V至36V,可输出2.5V至20V的电压,以支持各种应用。 SC8748Q适用于多种多功能汽车和工业应用,如高级驾驶辅助系统(ADAS)和汽车照明应用。 SC8748Q采用电流模式控制方案。通过I2C接口,准恒定开关频率可设置为200kHz、400kHz、600kHz或1MHz。SC8748Q还提供可选的展频功能,以优化电磁干扰(EMI)性能。 SC8748Q提供输出过压保护、逐周期电流限制、输出欠压保护、输入过压和热关断保护。 SC8748Q采用34引脚、尺寸为4mm x 5mm x 0.85mm的可润湿侧翼QFN封装。
Features
AEC-Q100 qualified for automotive applications:
- Temperature grade 1: TA range: -40°C to 125 °C
4V to 36V start up input voltage, support 3.7V falling VIN
2.5V to 20V output voltage range
Up to 3A continuous output current
Programmable reference voltage range: 0.5V 2V with
10mV resolution
I2C Interface for:
- Converter ON/OFF
- Input range selection
- Output voltage dynamic scaling
- 200kHz / 400kHz / 600kHz / 1MHz switching
frequency
- Auto PFM / Forced PWM
- Spread spectrum dithering
- Current limit setting
- Soft-start time
- Compensation network parameter
- Protection mode selection
- Power good threshold setting
Protection features:
- Output over-voltage protection
- Cycle-by-cycle current limit
- Output under-voltage protection
- Input over-voltage protection
- Thermal shutdown protection
3. Applications
Automotive Infotainment
Automotive ADAS
Automotive Sensor Fusion System
Automotive Wireless Charging
Features
AEC-Q100 qualified for automotive applications:
- Temperature grade 1: TA range: -40°C to 125 °C
4V to 36V start up input voltage, support 3.7V falling VIN
2.5V to 20V output voltage range
Up to 3A continuous output current
Programmable reference voltage range: 0.5V
- Output voltage dynamic scaling
- 200kHz / 400kHz / 600kHz / 1MHz switching
frequency
- Auto PFM / Forced PWM
- Spread spectrum dithering
- Current limit setting
- Soft-start time
- Compensation network parameter
- Protection mode selection
- Power good threshold setting
Protection fea-voltage protection
- Thermal shutdown protection
3. Applications
Automotive Infotainment
Automotive ADAS
Automotive Sensor Fusion System
Automotive Wireless Charging
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