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  • SC8749QQFMR

    Descriptions
    The SC8749Q is a buck-boost converter with four i

    36V汽车用升降压转换器，带I2C接口

    SC8749Q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。SC8749Q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。 SC8749Q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。 SC8749Q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。SC8749Q还提供可选的展频功能，以优化电磁干扰（EMI）性能。 SC8749Q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。 SC8749Q采用34引脚、尺寸为4mm x 5mm x 0.85mm的可润湿侧翼QFN封装。

    ntegrated

    power switches capable of regulating the output voltage at,
    above, or below the input voltage. The SC8749Q operates
    over 3.7V to 36V wide input voltage and can output 2.5V to
    20V voltage to support a variety of applications.
    The SC8749Q is suitable for a variety of multi-purpose
    automotive and industrial applications such as ADAS and
    automotive lighting application.
    The SC8749Q employs current mode control scheme. The
    quasi-constant switching frequency could be set at
    200kHz/400kHz/600kHz/1MHz through I2C. The SC8749Q
    also provides optional spread spectrum to optimize EMI
    performance.
    The SC8749Q offers output over-voltage protection, cycle-
    by-cycle current limit, output under-voltage protection, input
    over-voltage and thermal shutdown protection.
    The SC8749Q is available in 34-pin 4mm × 5mm × 0.85mm
    wettable flank QFN package
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商品描述

Descriptions
The SC8749Q is a buck-boost converter with four i

36V汽车用升降压转换器，带I2C接口

SC8749Q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。SC8749Q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。 SC8749Q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。 SC8749Q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。SC8749Q还提供可选的展频功能，以优化电磁干扰（EMI）性能。 SC8749Q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。 SC8749Q采用34引脚、尺寸为4mm x 5mm x 0.85mm的可润湿侧翼QFN封装。

ntegrated

power switches capable of regulating the output voltage at,
above, or below the input voltage. The SC8749Q operates
over 3.7V to 36V wide input voltage and can output 2.5V to
20V voltage to support a variety of applications.
The SC8749Q is suitable for a variety of multi-purpose
automotive and industrial applications such as ADAS and
automotive lighting application.
The SC8749Q employs current mode control scheme. The
quasi-constant switching frequency could be set at
200kHz/400kHz/600kHz/1MHz through I2C. The SC8749Q
also provides optional spread spectrum to optimize EMI
performance.
The SC8749Q offers output over-voltage protection, cycle-
by-cycle current limit, output under-voltage protection, input
over-voltage and thermal shutdown protection.
The SC8749Q is available in 34-pin 4mm × 5mm × 0.85mm
wettable flank QFN package

Features
AEC-Q100 qualified for automotive applicatio- Temperature grade 1: TA range: -40°C to 125 °C

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 5A 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


4V to 36V start up input voltage, support 3.7V falling VIN
2.5V to 20V output voltage range
Up to 5A 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